/**
 * Landing Page Styles
 * tercih24 - Akıllı YKS Tercih Robotu
 * Converted from Tailwind to vanilla CSS
 */

/* =========================================================
   FONTS
   ========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,700&family=Space+Mono:wght@400;700&display=swap');

/* =========================================================
   DESIGN TOKENS
   ========================================================= */
:root {
    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'Space Mono', monospace;

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-6: 24px;
    --space-8: 32px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    --space-32: 128px;

    /* Colors - Light Theme */
    --background: #E8EDF2;
    --background-soft: #F4F7FA;
    --background-elevated: #FFFFFF;
    --background-gradient:
    radial-gradient(1800px circle at 18% -28%, rgba(255, 255, 255, 0.11) 0%, rgba(255, 255, 255, 0) 74%),
    radial-gradient(1400px circle at 86% 3%, rgba(184, 197, 212, 0.07) 0%, rgba(184, 197, 212, 0) 76%),
        linear-gradient(160deg, #E8EDF2 0%, #E3EAF1 100%);
    --foreground: #1F2B36;
    --muted: #DDE5ED;
    --muted-foreground: #5B6978;
    --border: #B6C1CC;
    --border-soft: rgba(130, 145, 160, 0.28);
    --accent: #72879D;
    --primary: #5D7287;
    --primary-foreground: #F8FAFC;
    --cta-gradient: linear-gradient(145deg, #6E8398 0%, #4D6278 100%);

    /* Glass system */
    --glass-bg: rgba(239, 246, 252, 0.56);
    --glass-bg-soft: rgba(235, 242, 249, 0.46);
    --glass-bg-strong: rgba(246, 250, 255, 0.72);
    --glass-border: rgba(255, 255, 255, 0.72);
    --glass-border-strong: rgba(142, 156, 172, 0.38);
    --glass-shadow: 0 20px 42px rgba(31, 45, 63, 0.16);
    --glass-shadow-soft: 0 12px 24px rgba(31, 45, 63, 0.11);
    --glass-inner-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.8), inset 0 -1px 0 rgba(146, 161, 178, 0.2);
    --glass-blur: 22px;
    --glass-saturate: 118%;
    --liquid-overlay: linear-gradient(146deg, rgba(255, 255, 255, 0.58) 0%, rgba(255, 255, 255, 0.22) 45%, rgba(186, 201, 217, 0.34) 100%);
    --liquid-specular: radial-gradient(132% 108% at 0% 0%, rgba(255, 255, 255, 0.72) 0%, rgba(255, 255, 255, 0) 56%);
    --liquid-opacity: 0.72;
    --ring: rgba(104, 124, 147, 0.44);

    /* Container */
    --container-max: 1200px;
    --container-padding: 24px;
}

html.dark {
    --background: #0E1319;
    --background-soft: #151D25;
    --background-elevated: #1C2630;
    --background-gradient:
        radial-gradient(1700px circle at 12% -26%, rgba(129, 145, 162, 0.11) 0%, rgba(129, 145, 162, 0) 82%),
        radial-gradient(1300px circle at 86% 2%, rgba(63, 79, 95, 0.17) 0%, rgba(63, 79, 95, 0) 78%),
        linear-gradient(160deg, #0E1319 0%, #111923 100%);
    --foreground: #D8E0E7;
    --muted: #1C2530;
    --muted-foreground: #93A2B0;
    --border: #324151;
    --border-soft: rgba(175, 191, 208, 0.2);
    --accent: #9DAFC1;
    --primary: #8FA3B7;
    --primary-foreground: #0E1319;
    --cta-gradient: linear-gradient(145deg, #8EA2B6 0%, #62778D 100%);

    /* Glass system */
    --glass-bg: rgba(19, 27, 35, 0.58);
    --glass-bg-soft: rgba(19, 27, 35, 0.44);
    --glass-bg-strong: rgba(22, 31, 40, 0.74);
    --glass-border: rgba(220, 232, 244, 0.14);
    --glass-border-strong: rgba(220, 232, 244, 0.24);
    --glass-shadow: 0 26px 56px rgba(2, 6, 14, 0.52);
    --glass-shadow-soft: 0 14px 30px rgba(2, 6, 14, 0.38);
    --glass-inner-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.15);
    --glass-blur: 20px;
    --glass-saturate: 112%;
    --liquid-overlay: linear-gradient(150deg, rgba(255, 255, 255, 0.14) 0%, rgba(255, 255, 255, 0.03) 56%, rgba(255, 255, 255, 0.08) 100%);
    --liquid-specular: radial-gradient(135% 115% at 0% 0%, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0) 56%);
    --liquid-opacity: 0.9;
    --ring: rgba(153, 173, 194, 0.52);
}

@media (min-width: 768px) {
    :root {
        --container-padding: 48px;
    }
}

@media (min-width: 1024px) {
    :root {
        --container-padding: 80px;
    }
}

/* =========================================================
   BASE STYLES
   ========================================================= */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body.landing {
    font-family: var(--font-sans);
    background: var(--background-gradient);
    background-color: var(--background);
    background-attachment: scroll;
    color: var(--foreground);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =========================================================
   GLASS SURFACE PRIMITIVES
   ========================================================= */
.landing-methodology__card,
.landing-sample__panel,
.landing-sample__code,
.landing-features__card,
.landing-formula,
.landing-cta__inner,
.landing-page__content {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border-strong);
    box-shadow: var(--glass-shadow-soft), var(--glass-inner-highlight);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    overflow: hidden;
}

.landing-methodology__card::before,
.landing-sample__panel::before,
.landing-sample__code::before,
.landing-features__card::before,
.landing-formula::before,
.landing-cta__inner::before,
.landing-page__content::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--liquid-specular), var(--liquid-overlay);
    pointer-events: none;
    opacity: var(--liquid-opacity);
}

.landing-methodology__card > *,
.landing-sample__panel > *,
.landing-sample__code > *,
.landing-features__card > *,
.landing-formula > *,
.landing-cta__inner > *,
.landing-page__content > * {
    position: relative;
    z-index: 1;
}

/* Keep sheen stable on scrollable areas: avoid fixed overlay artifact while inner content scrolls */
.landing-sample__code::before {
    content: none;
}

.landing-features__card::before,
.landing-methodology__card::before,
.landing-formula::before,
.landing-cta__inner::before {
    opacity: 0.46;
}

/* =========================================================
   CONTAINER
   ========================================================= */
.landing-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

/* =========================================================
   HEADER
   ========================================================= */
.landing-header {
    padding: 1px var(--container-padding);
    position: sticky;
    top: 0;
    z-index: 40;
    background: linear-gradient(130deg,
            color-mix(in oklab, var(--glass-bg) 23%, transparent) 0%,
            color-mix(in oklab, var(--glass-bg) 42%, transparent) 48%,
            color-mix(in oklab, var(--glass-bg-strong) 36%, transparent) 100%);
    border-bottom: 1px solid var(--glass-border-strong);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    overflow: hidden;
    isolation: isolate;
}

.landing-header::before {
    content: '';
    position: relative;
    inset: 0;
    background: var(--liquid-specular), var(--liquid-overlay);
    opacity: 0.6;
    pointer-events: none;
    z-index: 0;
}

.landing-header__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 18px;
    border-radius: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    position: relative;
    z-index: 1;
}

.landing-header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    color: inherit;
}

.landing-header__logo-img {
    height: 24px;
    width: auto;
}

/* Light mode: show dark logo, hide light logo */
.landing-header__logo-img--light {
    display: block;
}

.landing-header__logo-img--dark {
    display: none;
}

/* Dark mode: show light logo, hide dark logo */
html.dark .landing-header__logo-img--light {
    display: none;
}

html.dark .landing-header__logo-img--dark {
    display: block;
}

.landing-header__logo-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
}

.landing-header__logo-text {
    font-weight: 500;
    letter-spacing: -0.02em;
}

.landing-header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.landing-header__link {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    text-decoration: none;
    transition: color 0.2s ease, background-color 0.2s ease;
    border-radius: 999px;
    padding: 5px 10px;
}

.landing-header__link:hover {
    color: var(--foreground);
    background: color-mix(in oklab, var(--glass-bg-strong) 78%, transparent);
}

.landing-header__link--arrow {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--foreground);
    transition: gap 0.2s ease;
}

.landing-header__link--arrow:hover {
    gap: 10px;
}

.landing-header__link--arrow svg {
    width: 14px;
    height: 14px;
}

[data-theme-toggle] {
    background: var(--glass-bg-strong) !important;
    border: 1px solid var(--glass-border-strong) !important;
    color: var(--foreground);
    border-radius: 999px;
    padding: 5px 10px !important;
    box-shadow: var(--glass-shadow-soft), var(--glass-inner-highlight);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
}

[data-theme-toggle]:hover {
    background: var(--glass-bg) !important;
}

/* Mobile menu toggle */
.landing-header__menu-toggle {
    display: none;
}

@media (max-width: 768px) {
    .landing-header__nav {
        display: none;
    }

    .landing-header__menu-toggle {
        display: flex;
    }
}

/* =========================================================
   HERO SECTION
   ========================================================= */
.landing-hero {
    padding: var(--space-12) var(--container-padding) var(--space-20);
}

.landing-hero__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-16);
    align-items: center;
    padding: 0;
}

@media (min-width: 1024px) {
    .landing-hero__inner {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

/* Hero Brand (Large Centered Logo) */
.landing-hero__brand {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.landing-hero__brand-link {
    display: block;
}

.landing-hero__brand-img {
    height: 40px;
    width: auto;
}

@media (min-width: 768px) {
    .landing-hero__brand-img {
        height: 50px;
    }
}

/* Light mode: show dark logo */
.landing-hero__brand-img--light {
    display: block;
}

.landing-hero__brand-img--dark {
    display: none;
}

/* Dark mode: show light logo */
html.dark .landing-hero__brand-img--light {
    display: none;
}

html.dark .landing-hero__brand-img--dark {
    display: block;
}

.landing-hero__brand-tagline {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted-foreground);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}


.landing-hero__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

.landing-hero__eyebrow {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted-foreground);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.landing-hero__title {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 300;
    letter-spacing: -0.025em;
    line-height: 1.1;
}

.landing-hero__subtitle {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    max-width: 400px;
}

.landing-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.landing-hero__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.15s ease;
}

.landing-hero__btn--primary {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    background: linear-gradient(180deg,
            color-mix(in oklab, var(--primary) 52%, #e8f1f9 48%) 0%,
            color-mix(in oklab, var(--primary) 70%, #7f94aa 30%) 100%);
    color: var(--primary-foreground);
    border-radius: 999px;
    border: 1px solid color-mix(in oklab, var(--glass-border-strong) 58%, var(--primary) 42%);
    box-shadow: 0 14px 30px rgba(20, 31, 46, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.28);
    transition: transform 0.24s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.24s ease, filter 0.24s ease;
}

.landing-hero__btn--primary:hover {
    transform: translateY(-2px);
    filter: saturate(1.08);
    box-shadow: 0 18px 34px rgba(20, 31, 46, 0.26), inset 0 1px 0 rgba(255, 255, 255, 0.34);
}

.landing-hero__btn--primary:active {
    transform: translateY(0) scale(0.985);
    box-shadow: 0 10px 20px rgba(20, 31, 46, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.landing-hero__btn--primary:focus-visible {
    outline: 2px solid color-mix(in oklab, var(--ring) 72%, transparent);
    outline-offset: 2px;
}

.landing-hero__btn--primary::before {
    content: '';
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    background: radial-gradient(120% 90% at 50% 0%, rgba(255, 255, 255, 0.42) 0%, rgba(255, 255, 255, 0.1) 62%, rgba(255, 255, 255, 0) 100%);
    pointer-events: none;
    z-index: 0;
}

.landing-hero__btn--primary::after {
    content: none;
}

.landing-hero__btn--primary:hover::after {
    content: none;
}

.landing-hero__btn--primary > * {
    position: relative;
    z-index: 1;
}

.landing-hero__btn--primary svg,
.landing-cta__btn svg {
    transition: transform 0.24s ease;
}

.landing-hero__btn--primary:hover svg,
.landing-cta__btn:hover svg {
    transform: translateX(2px);
}

.landing-hero__btn--secondary {
    background: var(--glass-bg-soft);
    color: var(--foreground);
    border: 1px solid var(--glass-border-strong);
    border-radius: 999px;
    box-shadow: var(--glass-shadow-soft), var(--glass-inner-highlight);
}

.landing-hero__btn--secondary:hover {
    border-color: var(--foreground);
}

.landing-hero__btn svg {
    width: 16px;
    height: 16px;
}

/* Stats */




/* Visualization */
.landing-hero__viz {
    position: relative;
    padding: 0;
    border-radius: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

@media (min-width: 1024px) {
    .landing-hero__viz {
        padding: 0;
    }
}

.landing-viz-card {
    position: relative;
    isolation: isolate;
    background:
        radial-gradient(95% 86% at 50% 8%, color-mix(in oklab, var(--glass-bg-strong) 84%, transparent) 0%, transparent 64%),
        linear-gradient(145deg, color-mix(in oklab, var(--glass-bg) 90%, transparent) 0%, color-mix(in oklab, var(--glass-bg-soft) 88%, transparent) 100%);
    border: 1px solid color-mix(in oklab, var(--glass-border-strong) 58%, var(--accent) 18%);
    box-shadow: var(--glass-shadow-soft), var(--glass-inner-highlight);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
}

.landing-viz-card--hero {
    contain: layout paint;
    transform: translateZ(0);
    will-change: transform;
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

html.dark .landing-viz-card--hero {
    background: transparent;
    box-shadow: none;
}

.landing-viz-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background:
        radial-gradient(70% 58% at 53% 44%, color-mix(in oklab, var(--accent) 18%, transparent) 0%, transparent 63%),
        radial-gradient(72% 66% at 0% 0%, rgba(255, 255, 255, 0.22) 0%, transparent 58%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, transparent 46%, rgba(0, 0, 0, 0.08) 100%);
    pointer-events: none;
    z-index: 0;
}

html.dark .landing-viz-card--hero::before {
    background:
        radial-gradient(70% 58% at 54% 40%, rgba(45, 111, 188, 0.065) 0%, transparent 64%),
        radial-gradient(72% 66% at 0% 0%, rgba(218, 234, 250, 0.07) 0%, transparent 58%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.026) 0%, transparent 46%, rgba(0, 0, 0, 0.18) 100%);
}

.landing-viz-card--hero::before,
.landing-viz-card--hero::after {
    content: none;
}

.landing-viz-card--hero .landing-viz-card__chrome,
.landing-viz-card--hero .landing-viz-card__edge-ticks {
    display: none;
}

.landing-viz-card::after {
    content: '';
    position: absolute;
    inset: 12px;
    border: 1px solid color-mix(in oklab, var(--glass-border-strong) 48%, transparent);
    border-radius: calc(28px - 12px);
    pointer-events: none;
    z-index: 3;
}

.landing-viz-card--hero::after {
    content: none;
}

.landing-viz-card__chrome,
.landing-viz-card__edge-ticks {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    z-index: 4;
}

.landing-viz-card__chrome {
    background:
        linear-gradient(var(--accent), var(--accent)) 18px 18px / 18px 1px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 18px 18px / 1px 18px no-repeat,
        linear-gradient(var(--accent), var(--accent)) calc(100% - 36px) 18px / 18px 1px no-repeat,
        linear-gradient(var(--accent), var(--accent)) calc(100% - 19px) 18px / 1px 18px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 18px calc(100% - 19px) / 18px 1px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 18px calc(100% - 36px) / 1px 18px no-repeat,
        linear-gradient(var(--accent), var(--accent)) calc(100% - 36px) calc(100% - 19px) / 18px 1px no-repeat,
        linear-gradient(var(--accent), var(--accent)) calc(100% - 19px) calc(100% - 36px) / 1px 18px no-repeat;
    opacity: 0.14;
}

.landing-viz-card__edge-ticks {
    background:
        repeating-linear-gradient(90deg, color-mix(in oklab, var(--accent) 48%, transparent) 0 2px, transparent 2px 10px) 50% 18px / 54px 5px no-repeat,
        repeating-linear-gradient(90deg, color-mix(in oklab, var(--accent) 42%, transparent) 0 2px, transparent 2px 10px) 50% calc(100% - 22px) / 54px 5px no-repeat;
    opacity: 0.28;
}

.landing-hero__canvas-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 1.28 / 1;
    max-width: 720px;
    margin: 0 auto;
    padding: 0;
    border-radius: 24px;
    overflow: hidden;
}

html[data-hero-variant="scatter"] .landing-hero__canvas-wrap,
html[data-hero-variant="ranking"] .landing-hero__canvas-wrap {
    aspect-ratio: 4 / 3;
    max-width: 640px;
    border-radius: 28px;
    overflow: visible;
}

html[data-hero-variant="datafield"] .landing-hero__canvas-wrap {
    aspect-ratio: 2 / 1;
    max-width: 720px;
    border-radius: 24px;
    overflow: hidden;
}

#hero-scatter-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    background: transparent;
    border-radius: inherit;
    z-index: 1;
}

html[data-hero-variant="product"] #hero-scatter-canvas,
html:not([data-hero-variant]) #hero-scatter-canvas {
    display: none;
}

.landing-hero__axis-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

.landing-hero__axis-line {
    fill: none;
    stroke: color-mix(in oklab, var(--muted-foreground) 40%, transparent);
    stroke-width: 0.15;
    vector-effect: non-scaling-stroke;
}

.landing-hero__axis-crosshair {
    fill: none;
    stroke: color-mix(in oklab, var(--muted-foreground) 18%, transparent);
    stroke-dasharray: 1 4;
    stroke-width: 0.11;
    vector-effect: non-scaling-stroke;
}

.landing-hero__axis-tick {
    fill: none;
    stroke: color-mix(in oklab, var(--muted-foreground) 46%, transparent);
    stroke-linecap: round;
    stroke-width: 0.24;
    vector-effect: non-scaling-stroke;
}

/* Axis labels */
.landing-hero__axis-label {
    position: absolute;
    font-family: var(--font-mono);
    font-size: 9px;
    color: color-mix(in oklab, var(--muted-foreground) 88%, transparent);
    line-height: 1;
    pointer-events: none;
    z-index: 5;
}

.landing-hero__axis-label--top {
    top: 12px;
    left: 16px;
}

.landing-hero__axis-label--bottom-left {
    bottom: 14px;
    left: 16px;
}

.landing-hero__axis-label--left-mid {
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
}

.landing-hero__axis-label--bottom-mid {
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
}

.landing-hero__axis-label--bottom-right {
    bottom: 14px;
    right: 16px;
}

.landing-hero__axis-label--x {
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
}

.landing-hero__axis-label--y {
    left: 2px;
    top: 50%;
    transform: translateY(-50%) rotate(-90deg);
}

/* Legend */
.landing-hero__legend {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    margin-top: var(--space-8);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted-foreground);
}

.landing-hero__legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.landing-hero__legend-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--foreground);
    opacity: 0.6;
}

.landing-hero__legend-circle {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1px solid var(--accent);
}

html[data-hero-variant="product"] .landing-hero__axis-overlay,
html[data-hero-variant="product"] .landing-hero__axis-label,
html[data-hero-variant="product"] .landing-hero__legend,
html[data-hero-variant="ranking"] .landing-hero__axis-overlay,
html[data-hero-variant="ranking"] .landing-hero__axis-label,
html[data-hero-variant="ranking"] .landing-hero__legend,
html[data-hero-variant="datafield"] .landing-hero__axis-overlay,
html[data-hero-variant="datafield"] .landing-hero__axis-label,
html[data-hero-variant="datafield"] .landing-hero__legend {
    display: none;
}

html[data-hero-variant="scatter"] .landing-hero-demo,
html[data-hero-variant="ranking"] .landing-hero-demo,
html[data-hero-variant="datafield"] .landing-hero-demo {
    display: none;
}

.landing-hero-demo {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    gap: clamp(10px, 1vw, 14px);
    padding: clamp(16px, 1.65vw, 24px);
    border-radius: inherit;
    background:
        radial-gradient(78% 88% at 10% 0%, color-mix(in oklab, white 12%, transparent) 0%, transparent 58%),
        radial-gradient(74% 76% at 72% 24%, color-mix(in oklab, var(--accent) 13%, transparent) 0%, transparent 66%),
        linear-gradient(145deg, color-mix(in oklab, var(--glass-bg) 88%, transparent), color-mix(in oklab, var(--glass-bg-soft) 70%, transparent));
    border: 1px solid color-mix(in oklab, var(--glass-border-strong) 58%, var(--accent) 15%);
    box-shadow: var(--glass-shadow-soft), inset 0 1px 0 color-mix(in oklab, white 13%, transparent);
}

.landing-hero-demo::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    border-radius: inherit;
    background:
        linear-gradient(color-mix(in oklab, var(--glass-border-strong) 32%, transparent), color-mix(in oklab, var(--glass-border-strong) 32%, transparent)) 0 38% / 100% 1px no-repeat,
        radial-gradient(circle, color-mix(in oklab, var(--accent) 25%, transparent) 1px, transparent 1.7px) 28px 28px / 20px 20px;
    opacity: 0.26;
}

.landing-hero-demo > * {
    position: relative;
    z-index: 1;
}

.landing-hero-demo__form {
    display: grid;
    grid-template-columns: minmax(118px, 0.42fr) minmax(0, 1fr) auto;
    gap: 10px;
    align-items: end;
}

.landing-hero-demo__field {
    display: grid;
    gap: 5px;
}

.landing-hero-demo__field label {
    font-family: var(--font-mono);
    font-size: clamp(0.56rem, 0.65vw, 0.68rem);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted-foreground);
    font-weight: 700;
}

.landing-hero-demo__field input {
    width: 100%;
    min-height: 36px;
    padding: 8px 11px;
    border-radius: 12px;
    border: 1px solid color-mix(in oklab, var(--accent) 46%, var(--glass-border-strong));
    background: color-mix(in oklab, var(--glass-bg-strong) 74%, transparent);
    color: color-mix(in oklab, var(--foreground) 88%, white 5%);
    font: 700 clamp(0.72rem, 0.88vw, 0.92rem) var(--font-mono);
    box-shadow: 0 0 22px color-mix(in oklab, var(--accent) 13%, transparent), inset 0 1px 0 color-mix(in oklab, white 10%, transparent);
    animation: landingHeroInput 8s ease-in-out infinite;
}

.landing-hero-demo__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    min-width: 0;
}

.landing-hero-demo__chip,
.landing-hero-demo__submit {
    border: 1px solid color-mix(in oklab, var(--glass-border-strong) 54%, transparent);
    color: color-mix(in oklab, var(--foreground) 78%, var(--muted-foreground));
    background:
        radial-gradient(120% 120% at 28% 0%, color-mix(in oklab, white 12%, transparent) 0%, transparent 62%),
        color-mix(in oklab, var(--glass-bg-soft) 74%, transparent);
    box-shadow: inset 0 1px 0 color-mix(in oklab, white 9%, transparent);
}

.landing-hero-demo__chip {
    min-height: 30px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: clamp(0.64rem, 0.76vw, 0.78rem);
    white-space: nowrap;
    opacity: 0;
    transform: translateY(7px) scale(0.96);
    animation: landingHeroChip 8s cubic-bezier(0.22, 1, 0.36, 1) infinite;
}

.landing-hero-demo__chip:nth-child(1) {
    animation-delay: 0.55s;
}

.landing-hero-demo__chip:nth-child(2) {
    animation-delay: 0.95s;
}

.landing-hero-demo__chip:nth-child(3) {
    animation-delay: 1.35s;
}

.landing-hero-demo__chip::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-right: 7px;
    border-radius: 50%;
    border: 1px solid color-mix(in oklab, var(--accent) 68%, white 10%);
    box-shadow: 0 0 12px color-mix(in oklab, var(--accent) 42%, transparent);
}

.landing-hero-demo__submit {
    position: relative;
    min-height: 36px;
    min-width: 126px;
    overflow: hidden;
    border-radius: 12px;
    padding: 8px 14px;
    color: color-mix(in oklab, var(--foreground) 88%, white 5%);
    font-weight: 600;
}

.landing-hero-demo__submit span {
    position: absolute;
    inset: auto 10px 6px;
    height: 2px;
    border-radius: 999px;
    background: color-mix(in oklab, var(--accent) 80%, white 10%);
    box-shadow: 0 0 14px color-mix(in oklab, var(--accent) 60%, transparent);
    transform-origin: left;
    animation: landingHeroProgress 8s ease-in-out infinite;
}

.landing-hero-demo__results {
    min-width: 0;
    display: grid;
    grid-template-rows: 36px minmax(0, 1fr);
    overflow: hidden;
    border-radius: 18px;
    border: 1px solid color-mix(in oklab, var(--glass-border-strong) 48%, transparent);
    background:
        radial-gradient(70% 68% at 24% 0%, color-mix(in oklab, white 8%, transparent) 0%, transparent 65%),
        linear-gradient(155deg, color-mix(in oklab, var(--glass-bg-strong) 72%, transparent), color-mix(in oklab, var(--glass-bg-soft) 54%, transparent));
    box-shadow: inset 0 1px 0 color-mix(in oklab, white 9%, transparent);
}

.landing-hero-demo__head,
.landing-hero-demo__row {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr) 58px 70px;
    align-items: center;
    column-gap: 10px;
    padding-inline: clamp(14px, 1.3vw, 20px);
}

.landing-hero-demo__head {
    height: 36px;
    font-family: var(--font-mono);
    font-size: clamp(0.52rem, 0.61vw, 0.64rem);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted-foreground);
    border-bottom: 1px solid color-mix(in oklab, var(--glass-border-strong) 42%, transparent);
}

.landing-hero-demo__viewport {
    min-height: 0;
    overflow: hidden;
}

.landing-hero-demo__rows {
    display: grid;
    align-content: start;
    opacity: 0;
    transform: translateY(0);
    will-change: transform;
}

.landing-hero-demo__rows.is-generated {
    opacity: 1;
}

.landing-hero-demo__rows.is-scrolling {
    animation: landingHeroRowsScroll 15s ease-in-out infinite;
}

.landing-hero-demo__row {
    min-height: 46px;
    border-top: 1px solid color-mix(in oklab, var(--glass-border-strong) 32%, transparent);
    opacity: 0;
    transform: translateY(9px);
}

.landing-hero-demo__rows.is-generated .landing-hero-demo__row {
    animation: landingHeroRowGenerate 0.46s cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: calc(var(--row-index, 0) * 0.055s);
}

.landing-hero-demo__rank,
.landing-hero-demo__score {
    font-family: var(--font-mono);
    color: color-mix(in oklab, var(--foreground) 84%, white 5%);
}

.landing-hero-demo__rank {
    font-size: clamp(0.82rem, 0.95vw, 1rem);
}

.landing-hero-demo__program {
    display: grid;
    min-width: 0;
    gap: 3px;
}

.landing-hero-demo__program strong,
.landing-hero-demo__program em {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.landing-hero-demo__program strong {
    font-size: clamp(0.72rem, 0.86vw, 0.92rem);
    font-weight: 600;
}

.landing-hero-demo__program em {
    font: normal clamp(0.55rem, 0.64vw, 0.68rem) var(--font-mono);
    color: var(--muted-foreground);
}

.landing-hero-demo__city,
.landing-hero-demo__score {
    font-size: clamp(0.64rem, 0.74vw, 0.78rem);
    color: color-mix(in oklab, var(--foreground) 72%, var(--muted-foreground));
}

.landing-hero-demo__score {
    color: color-mix(in oklab, var(--foreground) 88%, white 5%);
}

@keyframes landingHeroInput {
    0%, 12%, 100% {
        border-color: color-mix(in oklab, var(--glass-border-strong) 54%, transparent);
        box-shadow: inset 0 1px 0 color-mix(in oklab, white 10%, transparent);
    }
    18%, 44% {
        border-color: color-mix(in oklab, var(--accent) 58%, var(--glass-border-strong));
        box-shadow: 0 0 24px color-mix(in oklab, var(--accent) 18%, transparent), inset 0 1px 0 color-mix(in oklab, white 12%, transparent);
    }
}

@keyframes landingHeroChip {
    0%, 12% {
        opacity: 0;
        transform: translateY(7px) scale(0.96);
    }
    20%, 84% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-5px) scale(0.98);
    }
}

@keyframes landingHeroProgress {
    0%, 25% {
        transform: scaleX(0);
        opacity: 0;
    }
    34%, 46% {
        transform: scaleX(1);
        opacity: 1;
    }
    52%, 100% {
        transform: scaleX(1);
        opacity: 0;
    }
}

@keyframes landingHeroRowGenerate {
    from {
        opacity: 0;
        transform: translateY(9px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes landingHeroRowsScroll {
    0%, 8% {
        transform: translateY(0);
    }
    85%, 85% {
        transform: translateY(calc(var(--hero-demo-scroll-distance, 0px) * -1));
    }
    100% {
        transform: translateY(0);
    }
}

@media (max-width: 760px) {
    .landing-hero-demo {
        padding: 14px;
    }

    .landing-hero-demo__form {
        grid-template-columns: 1fr;
        align-items: stretch;
    }

    .landing-hero-demo__submit {
        min-width: 0;
    }

    .landing-hero-demo__head,
    .landing-hero-demo__row {
        grid-template-columns: 30px minmax(0, 1fr) 58px;
    }

    .landing-hero-demo__head span:nth-child(3),
    .landing-hero-demo__city {
        display: none;
    }
}

/* =========================================================
   METHODOLOGY SECTION
   ========================================================= */
.landing-methodology {
    padding: clamp(116px, 12vw, 210px) var(--container-padding) clamp(112px, 11vw, 190px);
    border-top: 1px solid var(--border-soft);
}

.landing-methodology__inner {
    max-width: min(1760px, calc(100vw - 2 * var(--container-padding)));
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(54px, 7vw, 132px);
    align-items: center;
}

@media (min-width: 1024px) {
    .landing-methodology__inner {
        grid-template-columns: minmax(260px, 420px) minmax(0, 1fr);
    }
}

.landing-methodology__copy {
    display: flex;
    flex-direction: column;
    gap: clamp(28px, 3.5vw, 60px);
    max-width: 420px;
}

.landing-methodology__eyebrow {
    font-family: var(--font-mono);
    font-size: clamp(0.66rem, 0.66vw, 0.82rem);
    color: var(--muted-foreground);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-weight: 700;
}

.landing-methodology__title {
    font-size: clamp(2rem, 2.6vw, 3rem);
    font-weight: 300;
    letter-spacing: 0;
    line-height: 1.12;
}

.landing-methodology__bullets {
    display: grid;
    gap: clamp(22px, 2.6vw, 38px);
    color: color-mix(in oklab, var(--foreground) 78%, var(--muted-foreground));
    font-size: clamp(0.98rem, 1.18vw, 1.26rem);
    line-height: 1.22;
}

.landing-methodology__bullets p {
    margin: 0;
    position: relative;
    padding-left: 1.02em;
}

.landing-methodology__bullets p::before {
    content: '•';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--foreground);
}

.landing-methodology__bullets span {
    color: var(--foreground);
}

.landing-methodology__grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: clamp(22px, 2.4vw, 42px);
}

@media (min-width: 768px) {
    .landing-methodology__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.landing-methodology__card {
    display: block;
    width: 100%;
    aspect-ratio: 902 / 644;
    min-height: 260px;
    padding: 0;
    border-radius: 22px;
    background:
        radial-gradient(90% 86% at 10% 0%, color-mix(in oklab, var(--foreground) 9%, transparent) 0%, transparent 62%),
        radial-gradient(72% 58% at 72% 28%, color-mix(in oklab, var(--accent) 11%, transparent) 0%, transparent 64%),
        linear-gradient(145deg, color-mix(in oklab, var(--glass-bg) 88%, transparent) 0%, color-mix(in oklab, var(--glass-bg-soft) 76%, transparent) 100%);
    border-color: color-mix(in oklab, var(--glass-border-strong) 52%, transparent);
    contain: layout paint;
}

.landing-methodology__card::after {
    inset: 0;
    border-radius: inherit;
    border-color: color-mix(in oklab, var(--glass-border-strong) 34%, transparent);
}

.landing-methodology__canvas {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* =========================================================
   SAMPLE OUTPUT SECTION
   ========================================================= */
.landing-sample {
    padding: clamp(116px, 11vw, 190px) var(--container-padding);
    border-top: 1px solid var(--border-soft);
}

.landing-sample__inner {
    max-width: min(1840px, calc(100vw - 2 * var(--container-padding)));
    margin: 0 auto;
}

.landing-sample__panel {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(22px, 2.6vw, 44px);
    padding: clamp(28px, 3vw, 56px);
    min-height: clamp(520px, 43vw, 700px);
    background:
        radial-gradient(86% 80% at 8% 0%, color-mix(in oklab, var(--foreground) 9%, transparent) 0%, transparent 64%),
        radial-gradient(64% 68% at 78% 20%, color-mix(in oklab, var(--accent) 10%, transparent) 0%, transparent 64%),
        linear-gradient(145deg, color-mix(in oklab, var(--glass-bg) 88%, transparent) 0%, color-mix(in oklab, var(--glass-bg-soft) 78%, transparent) 100%);
    border: 1px solid color-mix(in oklab, var(--glass-border-strong) 62%, transparent);
    border-radius: clamp(24px, 2.2vw, 34px);
    box-shadow: var(--glass-shadow), var(--glass-inner-highlight);
    align-items: stretch;
}

@media (min-width: 1200px) {
    .landing-sample__panel {
        grid-template-columns: minmax(320px, 360px) minmax(0, 1fr);
    }
}

@media (min-width: 1600px) {
    .landing-sample__panel {
        grid-template-columns: minmax(420px, 500px) minmax(0, 1fr);
    }
}

.landing-sample__summary {
    min-height: 100%;
    padding: clamp(28px, 2.7vw, 46px);
    display: flex;
    flex-direction: column;
    gap: clamp(18px, 2vw, 30px);
    border-radius: clamp(18px, 1.6vw, 26px);
    background:
        radial-gradient(90% 72% at 0% 0%, color-mix(in oklab, white 10%, transparent) 0%, transparent 62%),
        linear-gradient(155deg, color-mix(in oklab, var(--glass-bg-strong) 76%, transparent), color-mix(in oklab, var(--glass-bg-soft) 56%, transparent));
    border: 1px solid color-mix(in oklab, var(--glass-border-strong) 54%, transparent);
    box-shadow: var(--glass-shadow-soft), inset 0 1px 0 color-mix(in oklab, white 13%, transparent);
}

.landing-sample__eyebrow {
    font-family: var(--font-mono);
    font-size: clamp(0.62rem, 0.7vw, 0.78rem);
    color: var(--muted-foreground);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 700;
}

.landing-sample__title {
    font-size: clamp(2.1rem, 2.65vw, 3rem);
    font-weight: 300;
    letter-spacing: 0;
    line-height: 1.08;
    max-width: 11em;
}

.landing-sample__text {
    color: color-mix(in oklab, var(--foreground) 74%, var(--muted-foreground));
    line-height: 1.45;
    font-size: clamp(0.95rem, 1.04vw, 1.08rem);
    max-width: 25em;
}

.landing-sample__preview-graph {
    width: 100%;
    min-height: clamp(170px, 14vw, 245px);
    margin: clamp(8px, 1vw, 18px) 0 clamp(4px, 1vw, 12px);
    color: var(--accent);
    overflow: visible;
}

.landing-sample__preview-orbit {
    fill: none;
    stroke: color-mix(in oklab, var(--accent) 42%, transparent);
    stroke-width: 1;
    stroke-dasharray: 3 8;
    opacity: 0.42;
}

.landing-sample__preview-edge {
    fill: none;
    stroke: color-mix(in oklab, var(--foreground) 50%, var(--accent) 20%);
    stroke-width: 1.2;
    opacity: 0.52;
}

.landing-sample__preview-dot {
    fill: color-mix(in oklab, var(--foreground) 82%, var(--accent));
    opacity: 0.9;
    filter: drop-shadow(0 0 10px color-mix(in oklab, var(--accent) 52%, transparent));
}

.landing-sample__preview-dot--hot {
    fill: var(--accent);
    filter: drop-shadow(0 0 14px color-mix(in oklab, var(--accent) 82%, transparent));
}

.landing-sample__filter-title {
    margin: auto 0 0;
    font-family: var(--font-mono);
    font-size: clamp(0.64rem, 0.72vw, 0.78rem);
    color: var(--muted-foreground);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-weight: 700;
}

.landing-sample__filters {
    display: flex;
    flex-wrap: wrap;
    gap: clamp(8px, 0.9vw, 12px);
}

.landing-sample__filter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 34px;
    padding: 7px 13px;
    border-radius: 999px;
    border: 1px solid color-mix(in oklab, var(--glass-border-strong) 58%, transparent);
    background:
        radial-gradient(100% 110% at 40% 0%, color-mix(in oklab, white 11%, transparent) 0%, transparent 58%),
        color-mix(in oklab, var(--glass-bg-soft) 74%, transparent);
    color: color-mix(in oklab, var(--foreground) 72%, var(--muted-foreground));
    font-size: clamp(0.72rem, 0.8vw, 0.84rem);
    box-shadow: inset 0 1px 0 color-mix(in oklab, white 9%, transparent);
}

.landing-sample__filter::before {
    content: '';
    width: 11px;
    height: 11px;
    border-radius: 50%;
    border: 1px solid color-mix(in oklab, var(--foreground) 44%, transparent);
    box-shadow: inset 0 0 0 2px color-mix(in oklab, var(--glass-bg-strong) 70%, transparent);
}

.landing-sample__filter--active {
    color: color-mix(in oklab, var(--foreground) 94%, white 6%);
    border-color: color-mix(in oklab, var(--accent) 50%, var(--glass-border-strong));
    background:
        radial-gradient(120% 120% at 30% 0%, color-mix(in oklab, white 18%, transparent) 0%, transparent 60%),
        color-mix(in oklab, var(--accent) 22%, var(--glass-bg-soft));
    box-shadow: 0 0 20px color-mix(in oklab, var(--accent) 16%, transparent), inset 0 1px 0 color-mix(in oklab, white 18%, transparent);
}

.landing-sample__filter--active::before {
    border-color: color-mix(in oklab, var(--accent) 78%, white 10%);
    background: radial-gradient(circle, color-mix(in oklab, var(--foreground) 90%, white 10%) 1px, transparent 1.8px) 0 0 / 4px 4px;
    box-shadow: 0 0 12px color-mix(in oklab, var(--accent) 54%, transparent), inset 0 0 0 2px color-mix(in oklab, var(--accent) 20%, transparent);
}


.landing-sample__results {
    min-width: 0;
    display: flex;
    align-items: stretch;
    min-height: 0;
}

.landing-sample__table {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: 100%;
    overflow: hidden;
    border-radius: clamp(18px, 1.6vw, 26px);
    background:
        radial-gradient(86% 78% at 18% 0%, color-mix(in oklab, white 10%, transparent) 0%, transparent 64%),
        radial-gradient(70% 68% at 66% 18%, color-mix(in oklab, var(--accent) 9%, transparent) 0%, transparent 66%),
        linear-gradient(155deg, color-mix(in oklab, var(--glass-bg-strong) 80%, transparent), color-mix(in oklab, var(--glass-bg-soft) 62%, transparent));
    border: 1px solid color-mix(in oklab, var(--glass-border-strong) 52%, transparent);
    box-shadow: var(--glass-shadow-soft), inset 0 1px 0 color-mix(in oklab, white 13%, transparent);
}

.landing-sample__table::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(color-mix(in oklab, var(--glass-border-strong) 40%, transparent), color-mix(in oklab, var(--glass-border-strong) 40%, transparent)) 0 86px / 100% 1px no-repeat,
        radial-gradient(circle, color-mix(in oklab, var(--accent) 36%, transparent) 1px, transparent 1.8px) 58px 66px / 22px 22px;
    opacity: 0.34;
}

.landing-sample__head,
.landing-sample__row {
    display: grid;
    grid-template-columns: 24px 52px minmax(260px, 1fr) minmax(116px, 0.36fr) minmax(116px, 0.36fr);
    align-items: center;
    column-gap: clamp(12px, 1.1vw, 22px);
    min-width: 760px;
    padding-inline: clamp(26px, 2.75vw, 54px);
}

.landing-sample__head {
    flex: 0 0 auto;
    height: clamp(70px, 5.8vw, 92px);
    font-family: var(--font-mono);
    font-size: clamp(0.64rem, 0.72vw, 0.78rem);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--muted-foreground);
    font-weight: 700;
    padding-right: clamp(42px, 4vw, 78px);
}

.landing-sample__head span:nth-child(1) {
    grid-column: 2;
}

.landing-sample__head span:nth-child(2) {
    grid-column: 3;
}

.landing-sample__head span:nth-child(3) {
    grid-column: 4;
}

.landing-sample__head span:nth-child(4) {
    grid-column: 5;
}

.landing-sample__body {
    position: relative;
    flex: 1 1 auto;
    min-height: 0;
    max-height: clamp(420px, 31vw, 560px);
    overflow-x: auto;
    overflow-y: scroll;
    padding-bottom: 0;
    scrollbar-gutter: stable;
    scrollbar-width: thin;
    scrollbar-color: color-mix(in oklab, var(--foreground) 42%, transparent) transparent;
}

.landing-sample__body::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.landing-sample__body::-webkit-scrollbar-track {
    background: transparent;
}

.landing-sample__body::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: color-mix(in oklab, var(--foreground) 42%, transparent);
}

@media (min-width: 1200px) and (max-width: 1599px) {
    .landing-sample__panel {
        gap: 28px;
        padding: clamp(26px, 2.25vw, 34px);
    }

    .landing-sample__summary {
        padding: clamp(28px, 2.4vw, 36px);
    }

    .landing-sample__title {
        font-size: clamp(2.05rem, 2.6vw, 2.55rem);
    }

    .landing-sample__head,
    .landing-sample__row {
        grid-template-columns: 18px 42px minmax(198px, 1fr) minmax(82px, 0.36fr) minmax(92px, 0.36fr);
        column-gap: 10px;
        min-width: 620px;
        padding-inline: 26px;
    }

    .landing-sample__row {
        min-height: 76px;
    }

    .landing-sample__program strong {
        font-size: 1rem;
    }

    .landing-sample__placement {
        font-size: 1rem;
    }
}


.landing-sample__row {
    min-height: clamp(66px, 4.8vw, 86px);
    border-top: 1px solid color-mix(in oklab, var(--glass-border-strong) 46%, transparent);
    color: color-mix(in oklab, var(--foreground) 88%, white 3%);
}

.landing-sample__row:hover {
    background: color-mix(in oklab, var(--accent) 6%, transparent);
}

.landing-sample__status {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: color-mix(in oklab, var(--accent) 82%, white 18%);
    box-shadow: 0 0 18px color-mix(in oklab, var(--accent) 92%, transparent);
}

.landing-sample__rank {
    font-family: var(--font-mono);
    font-size: clamp(1rem, 1.22vw, 1.34rem);
    color: color-mix(in oklab, var(--foreground) 78%, var(--muted-foreground));
}

.landing-sample__program {
    display: grid;
    gap: 4px;
    min-width: 0;
}

.landing-sample__program strong {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: clamp(0.98rem, 1.14vw, 1.22rem);
    font-weight: 500;
}

.landing-sample__program em {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-style: normal;
    font-family: var(--font-mono);
    font-size: clamp(0.66rem, 0.72vw, 0.78rem);
    color: var(--muted-foreground);
}

.landing-sample__city,
.landing-sample__placement {
    color: color-mix(in oklab, var(--foreground) 76%, var(--muted-foreground));
    font-size: clamp(0.88rem, 0.98vw, 1.04rem);
}

.landing-sample__placement {
    font-family: var(--font-mono);
    color: color-mix(in oklab, var(--foreground) 88%, white 6%);
}

@media (max-width: 1199px) {
    .landing-sample__panel {
        min-height: auto;
    }

    .landing-sample__summary {
        min-height: auto;
    }

    .landing-sample__preview-graph {
        max-width: 360px;
    }
}

@media (max-width: 767px) {
    .landing-sample__panel {
        padding: 18px;
        border-radius: 24px;
    }

    .landing-sample__summary {
        padding: 24px;
    }

    .landing-sample__table {
        min-height: 440px;
    }
}

/* =========================================================
   DATA SECTION (Dark Inverted)
   ========================================================= */
.landing-data {
    padding: clamp(118px, 11vw, 190px) var(--container-padding);
    border-top: 1px solid var(--border-soft);
    color: var(--foreground);
}

.landing-data__inner {
    max-width: min(1180px, calc(100vw - 2 * var(--container-padding)));
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(46px, 6vw, 110px);
    justify-content: center;
    padding: 0;
}

@media (min-width: 1024px) {
    .landing-data__inner {
        grid-template-columns: minmax(0, 720px) minmax(330px, 360px);
        align-items: center;
    }
}

.landing-data__field {
    position: relative;
    min-height: clamp(320px, 30vw, 500px);
    border-radius: clamp(18px, 1.4vw, 24px);
    overflow: hidden;
    border: 1px solid color-mix(in oklab, var(--glass-border-strong) 48%, transparent);
    background:
        radial-gradient(80% 70% at 8% 18%, color-mix(in oklab, var(--foreground) 6%, transparent) 0%, transparent 64%),
        linear-gradient(155deg, color-mix(in oklab, var(--glass-bg) 45%, transparent), color-mix(in oklab, var(--glass-bg-soft) 34%, transparent));
    box-shadow: inset 0 1px 0 color-mix(in oklab, white 13%, transparent);
}

.landing-data__canvas {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
}

.landing-data__copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: clamp(28px, 3.5vw, 60px);
    max-width: 420px;
    min-height: clamp(320px, 30vw, 500px);
}

.landing-data__eyebrow {
    font-family: var(--font-mono);
    font-size: clamp(0.66rem, 0.66vw, 0.82rem);
    color: var(--muted-foreground);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-weight: 700;
}

.landing-data__title {
    margin: 0;
    font-size: clamp(2rem, 2.6vw, 3rem);
    font-weight: 300;
    line-height: 1.12;
    letter-spacing: 0;
    color: #ced9e3;
}

.landing-data__bullets {
    display: grid;
    gap: clamp(22px, 2.6vw, 38px);
    color: color-mix(in oklab, var(--foreground) 78%, var(--muted-foreground));
    font-size: clamp(0.98rem, 1.18vw, 1.26rem);
    line-height: 1.22;
}

.landing-data__bullets p {
    margin: 0;
    position: relative;
    padding-left: 1.02em;
}

.landing-data__bullets p::before {
    content: '•';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--foreground);
}

.landing-data__bullets span {
    color: var(--foreground);
}

/* =========================================================
   FEATURES SECTION
   ========================================================= */
.landing-features {
    padding: var(--space-32) var(--container-padding) var(--space-28);
    border-top: 1px solid var(--border-soft);
}

.landing-features__inner {
    max-width: min(2000px, calc(100vw - 2 * var(--container-padding)));
    margin: 0 auto;
}

.landing-features__header {
    text-align: center;
    margin-bottom: var(--space-14);
}

.landing-features__eyebrow {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted-foreground);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-4);
}

.landing-features__title {
    font-size: clamp(2.15rem, 4vw, 3.7rem);
    font-weight: 300;
    letter-spacing: -0.025em;
}



.landing-features__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    background: transparent;
}

@media (min-width: 768px) {
    .landing-features__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.landing-features__item {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: var(--space-6);
    align-items: stretch;
}

.landing-features__card {
    display: block;
    width: 100%;
    aspect-ratio: 0.84;
    min-height: 360px;
    padding: 0;
    border-radius: 26px;
    overflow: hidden;
    contain: layout paint;
}

.landing-features__letter {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted-foreground);
}

.landing-features__card-title {
    font-size: clamp(1.35rem, 2vw, 2.05rem);
    font-weight: 300;
    letter-spacing: 0;
    text-align: center;
}

.landing-features__canvas {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: block;
    width: 100%;
    height: 100%;
}

.landing-features__card-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 767px) {
    .landing-features__card {
        aspect-ratio: 1.15;
        min-height: 300px;
    }
}

/* Formula Section */
/* Formula Section */
.landing-formula-section {
    padding: clamp(120px, 12vw, 210px) var(--container-padding) clamp(80px, 9vw, 150px);
    border-top: 1px solid var(--border-soft);
}

@media (min-width: 1024px) {
    .landing-formula-section {
        padding-top: clamp(170px, 13vw, 250px);
    }
}

.landing-formula-section .landing-container {
    max-width: min(1540px, calc(100vw - 2 * var(--container-padding)));
    margin: 0 auto;
    width: 100%;
    padding: 0;
}

.landing-formula {
    margin-top: 0;
    width: 100%;
    min-height: clamp(210px, 14vw, 292px);
    display: grid;
    place-items: center;
    align-items: center;
    text-align: center;
    padding: clamp(30px, 5vw, 70px);
    border-radius: clamp(22px, 2vw, 32px);
    background:
        radial-gradient(92% 120% at 50% 0%, color-mix(in oklab, var(--accent) 9%, transparent) 0%, transparent 62%),
        linear-gradient(145deg, color-mix(in oklab, var(--glass-bg) 88%, transparent) 0%, color-mix(in oklab, var(--glass-bg-soft) 80%, transparent) 100%);
    border: 1px solid color-mix(in oklab, var(--glass-border-strong) 62%, var(--accent) 8%);
    box-shadow: var(--glass-shadow-soft), var(--glass-inner-highlight);
}

.landing-formula__canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
    display: block;
    width: 100%;
    height: 100%;
}

.landing-formula::before,
.landing-cta__inner::before {
    z-index: 1;
}

.landing-formula__math {
    font-family: "Cambria Math", Cambria, "Times New Roman", serif;
    font-size: clamp(1.25rem, 2.05vw, 2.48rem);
    font-weight: 300;
    letter-spacing: 0;
    line-height: 1.2;
    padding: 0 var(--space-4);
    color: color-mix(in oklab, var(--foreground) 95%, white 5%);
    text-shadow: 0 0 10px color-mix(in oklab, var(--accent) 22%, transparent);
    z-index: 2;
}


/* =========================================================
   CTA SECTION
   ========================================================= */
.landing-cta {
    padding: clamp(82px, 10vw, 170px) var(--container-padding) var(--space-32);
    border-top: 1px solid var(--border-soft);
}

.landing-cta__inner {
    max-width: min(1140px, calc(100vw - 2 * var(--container-padding)));
    min-height: clamp(290px, 27vw, 430px);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    justify-content: center;
    gap: clamp(24px, 2.5vw, 42px);
    padding: clamp(36px, 6vw, 80px);
    border-radius: clamp(22px, 2.2vw, 34px);
    background:
        radial-gradient(90% 105% at 0% 0%, color-mix(in oklab, var(--foreground) 9%, transparent) 0%, transparent 64%),
        radial-gradient(80% 80% at 78% 8%, color-mix(in oklab, var(--accent) 9%, transparent) 0%, transparent 66%),
        linear-gradient(145deg, color-mix(in oklab, var(--glass-bg) 88%, transparent) 0%, color-mix(in oklab, var(--glass-bg-soft) 82%, transparent) 100%);
    border: 1px solid color-mix(in oklab, var(--glass-border-strong) 58%, var(--accent) 8%);
    box-shadow: var(--glass-shadow-soft), var(--glass-inner-highlight);
}

.landing-cta__canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
    display: block;
    width: 100%;
    height: 100%;
}

.landing-cta__title {
    font-size: clamp(2.1rem, 4.2vw, 4.05rem);
    font-weight: 300;
    font-style: italic;
    letter-spacing: 0;
    line-height: 1.1;
    z-index: 2;
}

.landing-cta__text {
    font-size: clamp(1rem, 1.22vw, 1.16rem);
    font-style: italic;
    color: color-mix(in oklab, var(--foreground) 72%, var(--muted-foreground));
    max-width: 520px;
    z-index: 2;
}

.landing-cta__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    position: relative;
    isolation: isolate;
    overflow: hidden;
    background: linear-gradient(180deg,
            color-mix(in oklab, var(--primary) 52%, #e8f1f9 48%) 0%,
            color-mix(in oklab, var(--primary) 70%, #7f94aa 30%) 100%);
    color: var(--primary-foreground);
    border-radius: 999px;
    border: 1px solid color-mix(in oklab, var(--glass-border-strong) 58%, var(--primary) 42%);
    box-shadow: 0 14px 30px rgba(20, 31, 46, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.28);
    cursor: pointer;
    transition: transform 0.24s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.24s ease, filter 0.24s ease;
    margin-top: clamp(4px, 1vw, 12px);
    z-index: 2;
}

.landing-cta__btn:hover {
    transform: translateY(-2px);
    filter: saturate(1.08);
    box-shadow: 0 18px 34px rgba(20, 31, 46, 0.26), inset 0 1px 0 rgba(255, 255, 255, 0.34);
}

.landing-cta__btn:active {
    transform: translateY(0) scale(0.985);
    box-shadow: 0 10px 20px rgba(20, 31, 46, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.landing-cta__btn:focus-visible {
    outline: 2px solid color-mix(in oklab, var(--ring) 72%, transparent);
    outline-offset: 2px;
}

.landing-cta__btn::before {
    content: '';
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    background: radial-gradient(120% 90% at 50% 0%, rgba(255, 255, 255, 0.42) 0%, rgba(255, 255, 255, 0.1) 62%, rgba(255, 255, 255, 0) 100%);
    pointer-events: none;
    z-index: 0;
}

.landing-cta__btn::after {
    content: none;
}

.landing-cta__btn:hover::after {
    content: none;
}

.landing-cta__btn > * {
    position: relative;
    z-index: 1;
}

.landing-cta__btn svg {
    width: 16px;
    height: 16px;
}

.landing-cta__btn-star {
    width: 7px;
    height: 7px;
    position: relative;
    display: inline-block;
    border-radius: 999px;
    background: currentColor;
    opacity: 0.58;
}

/* =========================================================
   COMPACT REFERENCE TUNING
   ========================================================= */
@media (min-width: 900px) {
    .landing-hero {
        padding: 34px var(--container-padding) 76px;
    }

    .landing-hero__inner {
        max-width: min(1120px, calc(100vw - 2 * var(--container-padding)));
        gap: 48px;
    }

    .landing-hero__brand {
        margin-bottom: 42px;
        gap: 10px;
    }

    .landing-hero__brand-img {
        height: 44px;
    }

    .landing-hero__content {
        gap: 22px;
    }

    .landing-hero__title {
        max-width: 10.5em;
        font-size: 3rem;
        letter-spacing: 0;
    }

    .landing-hero__subtitle {
        font-size: 0.96rem;
    }

    .landing-hero__canvas-wrap {
        max-width: 520px;
    }

    .landing-hero__legend {
        margin-top: 20px;
        font-size: 0.64rem;
    }

    .landing-features {
        padding: 62px var(--container-padding) 74px;
    }

    .landing-features__inner {
        max-width: 930px;
    }

    .landing-features__header {
        margin-bottom: 30px;
    }

    .landing-features__eyebrow {
        margin-bottom: 12px;
        font-size: 0.62rem;
    }

    .landing-features__title {
        font-size: 2.1rem;
        letter-spacing: 0;
    }

    .landing-features__grid {
        gap: 26px;
    }

    .landing-features__item {
        gap: 14px;
    }

    .landing-features__card-title {
        font-size: 1.08rem;
    }

    .landing-features__card {
        aspect-ratio: 0.78;
        min-height: 0;
        border-radius: 16px;
    }

    .landing-data {
        padding: 70px var(--container-padding) 82px;
    }

    .landing-data__inner {
        max-width: 1090px;
        grid-template-columns: minmax(0, 690px) minmax(330px, 330px);
        gap: 70px;
    }

    .landing-data__field,
    .landing-data__copy {
        min-height: 300px;
    }

    .landing-data__field {
        border-radius: 16px;
    }

    .landing-data__copy {
        max-width: 330px;
        gap: 26px;
    }

    .landing-data__eyebrow {
        font-size: 0.62rem;
    }

    .landing-data__title {
        font-size: 2rem;
    }

    .landing-data__bullets {
        gap: 20px;
        font-size: 0.94rem;
        line-height: 1.28;
    }

    .landing-methodology {
        padding: 84px var(--container-padding) 92px;
    }

    .landing-methodology__inner {
        max-width: min(1230px, calc(100vw - 2 * var(--container-padding)));
        gap: 62px;
    }

    .landing-methodology__copy {
        max-width: 330px;
        gap: 26px;
    }

    .landing-methodology__eyebrow {
        font-size: 0.62rem;
    }

    .landing-methodology__title {
        font-size: 2rem;
    }

    .landing-methodology__bullets {
        gap: 20px;
        font-size: 0.94rem;
        line-height: 1.28;
    }

    .landing-methodology__grid {
        gap: 24px;
    }

    .landing-methodology__card {
        min-height: 0;
        border-radius: 16px;
    }

    .landing-sample {
        padding: 84px var(--container-padding) 90px;
    }

    .landing-sample__inner {
        max-width: min(1260px, calc(100vw - 2 * var(--container-padding)));
    }

    .landing-sample__panel {
        gap: 28px;
        padding: 28px;
        min-height: 520px;
        border-radius: 22px;
    }

    .landing-sample__summary {
        padding: 30px;
        gap: 18px;
        border-radius: 18px;
    }

    .landing-sample__title {
        font-size: 2rem;
        line-height: 1.08;
    }

    .landing-sample__text {
        font-size: 0.88rem;
        line-height: 1.38;
    }

    .landing-sample__preview-graph {
        min-height: 150px;
        margin: 4px 0;
    }

    .landing-sample__filter-title,
    .landing-sample__eyebrow {
        font-size: 0.58rem;
    }

    .landing-sample__filter {
        min-height: 28px;
        padding: 5px 10px;
        font-size: 0.72rem;
    }

    .landing-sample__table {
        border-radius: 18px;
    }

    .landing-sample__head,
    .landing-sample__row {
        grid-template-columns: 16px 38px minmax(176px, 1fr) minmax(78px, 0.36fr) minmax(92px, 0.36fr);
        column-gap: 10px;
        min-width: 580px;
        padding-inline: 24px;
    }

    .landing-sample__head {
        height: 66px;
        font-size: 0.58rem;
        padding-right: 44px;
    }

    .landing-sample__row {
        min-height: 68px;
    }

    .landing-sample__program strong,
    .landing-sample__placement {
        font-size: 0.95rem;
    }

    .landing-sample__program em {
        font-size: 0.64rem;
    }

    .landing-sample__city {
        font-size: 0.82rem;
    }

    .landing-formula-section {
        padding: 92px var(--container-padding) 76px;
    }

    .landing-formula-section .landing-container {
        max-width: min(1180px, calc(100vw - 2 * var(--container-padding)));
    }

    .landing-formula {
        min-height: 170px;
        padding: 34px;
        border-radius: 22px;
    }

    .landing-formula__math {
        font-size: 1.7rem;
    }

    .landing-cta {
        padding: 76px var(--container-padding) 78px;
    }

    .landing-cta__inner {
        max-width: min(920px, calc(100vw - 2 * var(--container-padding)));
        min-height: 280px;
        gap: 22px;
        padding: 44px;
        border-radius: 22px;
    }

    .landing-cta__title {
        font-size: 3rem;
    }

    .landing-cta__text {
        font-size: 0.94rem;
    }

    .landing-cta__btn {
        padding: 12px 26px;
    }
}

@media (min-width: 1200px) {
    .landing-sample__panel {
        grid-template-columns: minmax(280px, 320px) minmax(0, 1fr);
    }

    .landing-data__inner {
        grid-template-columns: minmax(0, 690px) minmax(330px, 330px);
    }
}

@media (min-width: 1600px) {
    .landing-sample__panel {
        grid-template-columns: minmax(320px, 350px) minmax(0, 1fr);
    }
}

/* =========================================================
   SIMPLE PAGE (ABOUT)
   ========================================================= */
.landing-page-hero {
    padding: var(--space-20) var(--container-padding) var(--space-12);
    border-bottom: 1px solid var(--border-soft);
}

.landing-page-hero__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.landing-page__eyebrow {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted-foreground);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.landing-page__title {
    font-size: clamp(2.25rem, 5vw, 3.25rem);
    font-weight: 300;
    letter-spacing: -0.025em;
    line-height: 1.1;
}

.landing-page__lead {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    max-width: 640px;
}

.landing-page {
    padding: var(--space-12) var(--container-padding) var(--space-32);
}

.landing-page__content {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    color: var(--muted-foreground);
    line-height: 1.7;
    padding: clamp(22px, 3vw, 36px);
    border-radius: 24px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border-strong);
    box-shadow: var(--glass-shadow-soft), var(--glass-inner-highlight);
}

.landing-page__content strong {
    color: var(--foreground);
    font-weight: 600;
}

.landing-page__content a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid var(--border);
}

.landing-page__content a:hover {
    border-color: var(--foreground);
}

/* =========================================================
   FOOTER
   ========================================================= */
.landing-footer {
    padding: var(--space-8) var(--container-padding);
    border-top: 1px solid var(--border-soft);
}

.landing-footer__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

@media (min-width: 768px) {
    .landing-footer__inner {
        flex-direction: row;
    }
}

.landing-footer__links {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    font-size: 0.75rem;
    color: var(--muted-foreground);
}

.landing-footer__link {
    color: inherit;
    text-decoration: none;
    transition: color 0.15s ease;
}

.landing-footer__link:hover {
    color: var(--foreground);
}

.landing-footer__formula {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--muted-foreground);
    opacity: 0.5;
    letter-spacing: 0.05em;
}

/* =========================================================
   UTILITIES
   ========================================================= */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}