/* ============================================
   SPANGLER.AI — Design System & Styles
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FC;
    --bg-hero: #0B1426;
    --bg-card: #FFFFFF;
    --bg-tertiary: #F0F2F7;

    --text-primary: #0B1426;
    --text-secondary: #4A5568;
    --text-muted: #8896AB;
    --text-on-dark: #F1F3F7;

    --accent-gold: #B8924A;
    --accent-gold-light: #D4AF6E;
    --accent-gold-pale: #E8D5A8;
    --accent-sapphire: #1E3A6E;

    --border-light: rgba(11, 20, 38, 0.08);
    --border-gold-glow: rgba(184, 146, 74, 0.3);

    --gradient-metallic: linear-gradient(135deg, #B8924A 0%, #D4AF6E 40%, #E8D5A8 60%, #B8924A 100%);
    --gradient-metallic-hover: linear-gradient(135deg, #A07D3A 0%, #C9A04E 40%, #D4C08A 60%, #A07D3A 100%);

    --font-heading: 'Manrope', sans-serif;
    --font-body: 'Inter', sans-serif;

    --max-width: 1200px;
    --section-padding: 160px;
    --section-padding-mobile: 100px;

    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --radius-xs: 6px;
}

/* --- Reset --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    overflow-x: hidden;
    overscroll-behavior-x: none;
}

body {
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-secondary);
    background: var(--bg-primary);
    overflow-x: hidden;
    overscroll-behavior-x: none;
    touch-action: pan-y;
}

img, svg {
    display: block;
    max-width: 100%;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input {
    font-family: inherit;
    border: none;
    outline: none;
    background: none;
}

/* --- Utility --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
}

.section-label {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-gold);
    text-align: center;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 52px;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 24px;
}

.section-subtitle {
    font-size: 19px;
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 80px;
    line-height: 1.7;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 16px 40px;
    border-radius: var(--radius-sm);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.btn--gold {
    background: var(--gradient-metallic);
    background-size: 200% 200%;
    color: #0B1426;
}

.btn--gold:hover {
    background: var(--gradient-metallic-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(184, 146, 74, 0.3);
}

.btn--gold::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s ease;
}

.btn--gold:hover::after {
    left: 100%;
}

.btn--ghost {
    background: transparent;
    color: rgba(255,255,255,0.9);
    border: 1px solid rgba(255,255,255,0.25);
}

.btn--ghost:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.5);
}

.btn--sm {
    padding: 10px 28px;
    font-size: 14px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.0);
    backdrop-filter: blur(0px);
    border-bottom: 1px solid transparent;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: translateY(-100%);
    opacity: 0;
}

.nav--visible {
    transform: translateY(0);
    opacity: 1;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    border-bottom-color: var(--border-light);
}

.nav__container {
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo-svg {
    color: var(--text-primary);
}

.nav__cta {
    opacity: 0;
    transform: translateY(-8px);
    transition: all 0.4s ease 0.1s;
}

.nav--visible .nav__cta {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at top left, rgba(184, 146, 74, 0.08), transparent 30%),
        linear-gradient(180deg, #081120 0%, #0B1426 52%, #101d33 100%);
    overflow: hidden;
    padding: 140px 0 110px;
    isolation: isolate;
}

.hero__canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero__image-bg {
    position: absolute;
    inset: 0;
    z-index: 2;
    background-image: url('../assets/Spangler Ai Generated v2.png');
    background-size: 110vw auto;
    background-position: center 50%;
    background-repeat: no-repeat;
    mix-blend-mode: screen;
    opacity: 0.28;
    pointer-events: none;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 3;
    background:
        linear-gradient(to right, transparent 0%, rgba(8, 17, 32, 0.90) 28%, rgba(8, 17, 32, 0.97) 42%, rgba(8, 17, 32, 0.97) 58%, rgba(8, 17, 32, 0.90) 72%, transparent 100%),
        radial-gradient(ellipse at 50% 30%, rgba(184, 146, 74, 0.09) 0%, transparent 52%),
        radial-gradient(ellipse at 50% 70%, rgba(30, 58, 110, 0.08) 0%, transparent 48%);
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 4;
    text-align: center;
    max-width: 820px;
    padding: 0 24px;
}

.hero__line {
    width: 0;
    height: 2px;
    background: var(--gradient-metallic);
    margin: 0 auto 32px;
    opacity: 0;
}

.hero__eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent-gold);
    margin-bottom: 28px;
    opacity: 0;
    transform: translateY(24px);
}

.hero__title {
    font-family: var(--font-heading);
    font-size: 68px;
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: var(--text-on-dark);
    margin-bottom: 28px;
}

.hero__title .word {
    display: inline-block;
    opacity: 0;
    transform: translateY(30px);
}

.hero__subtitle {
    font-size: 20px;
    line-height: 1.7;
    color: rgba(241, 243, 247, 0.72);
    max-width: 580px;
    margin: 0 auto 44px;
    opacity: 0;
    transform: translateY(24px);
}

.hero__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    opacity: 0;
    transform: translateY(24px);
}

.hero__logos {
    margin-top: 52px;
    opacity: 0;
    text-align: center;
    transform: translateY(24px);
}

.hero__logos-label {
    display: block;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: 16px;
}

.hero__logos-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.hero__logos-row span {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.72);
    white-space: nowrap;
    padding: 11px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.35);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0;
}

/* ============================================
   BRIDGING THE GAP
   ============================================ */
.bridge {
    position: relative;
    padding: 80px 0 var(--section-padding);
    background: #FAFAF8;
}

.bridge::before {
    content: '';
    position: absolute;
    top: -60px;
    left: 0;
    width: 100%;
    height: 60px;
    background: #FAFAF8;
    clip-path: ellipse(55% 100% at 50% 100%);
}

.bridge__grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 32px;
    align-items: start;
    margin-top: 80px;
}

.bridge__side {
    padding: 44px;
    border-radius: var(--radius-lg);
    text-align: center;
}

.bridge__side--quant {
    background: var(--bg-primary);
    border: 1px solid var(--border-gold-glow);
    box-shadow: 0 2px 24px rgba(184, 146, 74, 0.06);
}

.bridge__side--fundamental {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
}

.bridge__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 16px;
    margin: 0 auto 24px;
}

.bridge__side--fundamental .bridge__icon {
    background: var(--bg-tertiary);
}

.bridge__title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.bridge__list {
    list-style: none;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.bridge__list li {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-secondary);
    padding-left: 20px;
    position: relative;
}

.bridge__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.bridge__side--quant .bridge__list li::before {
    background: var(--accent-gold);
}

.bridge__side--fundamental .bridge__list li::before {
    background: var(--text-muted);
    opacity: 0.5;
}

.bridge__tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.06em;
    padding: 8px 18px;
    border-radius: 20px;
    margin-top: 4px;
}

.bridge__tag--positive {
    background: rgba(184, 146, 74, 0.08);
    color: var(--accent-gold);
}

.bridge__tag--muted {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

/* Divider */
.bridge__divider {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding-top: 100px;
}

.bridge__divider-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--accent-gold), transparent);
    opacity: 0.3;
}

.bridge__divider-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    opacity: 0.5;
}

/* Bridge Statement — Full-Width Dark Band */
.bridge__band {
    position: relative;
    background: var(--bg-hero);
    min-height: 100vh;
    display: flex;
    align-items: center;
    margin-top: 80px;
    overflow: hidden;
}

.bridge__band > .container {
    padding: 100px 0;
    width: 100%;
}

.bridge__band-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse at center, rgba(184, 146, 74, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.bridge__line-animated {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-metallic);
}

.bridge__statement-title {
    font-family: var(--font-heading);
    font-size: 52px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 60px;
    letter-spacing: -0.02em;
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
}

/* Visual Transformation Flow */
.bridge__flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 50px;
    opacity: 0;
    transform: translateY(20px);
}

.bridge__stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 0 24px;
}

.bridge__stage-icon {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.4s ease;
}

.bridge__stage-icon--gold {
    border-color: rgba(184, 146, 74, 0.35);
    background: rgba(184, 146, 74, 0.06);
    box-shadow: 0 0 40px rgba(184, 146, 74, 0.1);
}

.bridge__stage--transform {
    position: relative;
    z-index: 1;
}

.bridge__stage--transform .bridge__stage-icon {
    width: 176px;
    height: 176px;
    border-color: rgba(184, 146, 74, 0.55);
    box-shadow: 0 0 80px rgba(184, 146, 74, 0.22), 0 0 0 1px rgba(184, 146, 74, 0.15), 0 0 160px rgba(184, 146, 74, 0.08);
}

.bridge__stage--transform .bridge__stage-label {
    font-size: 34px;
    letter-spacing: -0.025em;
}

.bridge__stage--transform .bridge__stage-sub {
    font-size: 15px;
}

.bridge__stage-label {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: -0.01em;
}

.bridge__stage-label--gold {
    color: var(--accent-gold-light);
}

.bridge__stage-sub {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.02em;
}

.bridge__arrow {
    padding: 0 8px;
    flex-shrink: 0;
    margin-bottom: 40px;
}

.bridge__tagline {
    font-size: 22px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.55);
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(20px);
}

/* ============================================
   THE STRUCTURAL PROBLEM (CONTRAST)
   ============================================ */
.contrast {
    padding: 80px 0 var(--section-padding);
    background: var(--bg-primary);
}

.contrast__grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 40px;
    align-items: start;
    margin-top: 80px;
}

.contrast__side {
    padding: 48px;
    border-radius: var(--radius-lg);
    text-align: center;
}

.contrast__side--theirs {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
}

.contrast__side--ours {
    background: var(--bg-primary);
    border: 1px solid var(--border-gold-glow);
    box-shadow: 0 4px 40px rgba(184, 146, 74, 0.08), 0 0 0 1px rgba(184, 146, 74, 0.06);
    position: relative;
}

.contrast__side--ours::before {
    content: '';
    position: absolute;
    top: 0;
    left: 48px;
    right: 48px;
    height: 2px;
    background: var(--gradient-metallic);
    border-radius: 0 0 2px 2px;
}

.contrast__badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 32px;
}

.contrast__badge--muted {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

.contrast__badge--gold {
    background: rgba(184, 146, 74, 0.1);
    color: var(--accent-gold);
}

.contrast__visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
    min-height: 56px;
}

.contrast__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    flex-shrink: 0;
}

.contrast__icon--excel,
.contrast__icon--excel-ours {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

.contrast__icon--ui {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

.contrast__icon--spangler {
    background: rgba(184, 146, 74, 0.08);
    border: 1px solid rgba(184, 146, 74, 0.15);
}

.contrast__arrow {
    color: var(--text-muted);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.contrast__arrow--gold {
    color: var(--accent-gold);
}

.contrast__arrow-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-gold);
}

.contrast__title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.contrast__text {
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-secondary);
}

.contrast__divider {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 120px;
}

.contrast__divider span {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: var(--bg-primary);
    padding: 8px;
}

/* 3-column flow layout */
.contrast__flow {
    display: grid;
    grid-template-columns: 1fr 1.05fr 1.1fr;
    gap: 28px;
    align-items: stretch;
    margin-top: 80px;
}

.contrast__col {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contrast__col-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 0;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-light);
}

.contrast__col--left .contrast__col-label { color: var(--text-muted); }
.contrast__col--right .contrast__col-label { color: var(--accent-gold); }

.contrast__card {
    padding: 20px 22px;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contrast__card--muted {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
}

.contrast__card--convert {
    background: rgba(184, 146, 74, 0.05);
    border: 1px solid rgba(184, 146, 74, 0.25);
    box-shadow: 0 8px 60px rgba(184, 146, 74, 0.14), 0 0 0 1px rgba(184, 146, 74, 0.12);
    text-align: center;
    align-items: center;
    justify-content: center;
    padding: 32px 24px;
    position: relative;
    flex: 1;
    gap: 14px;
}

.contrast__card--convert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 24px;
    right: 24px;
    height: 2px;
    background: var(--gradient-metallic);
    border-radius: 0 0 2px 2px;
}

.contrast__card--gold {
    background: var(--bg-primary);
    border: 1px solid rgba(184, 146, 74, 0.28);
}

.contrast__card-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contrast__card--muted .contrast__card-icon { background: var(--bg-tertiary); color: var(--text-muted); opacity: 0.55; }
.contrast__card--gold .contrast__card-icon {
    background: rgba(184, 146, 74, 0.08);
    border: 1px solid rgba(184, 146, 74, 0.12);
}

.contrast__card-title {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.contrast__card--muted .contrast__card-title { color: var(--text-muted); }
.contrast__card--gold .contrast__card-title { color: var(--text-primary); }

.contrast__card-text {
    font-size: 14px;
    line-height: 1.65;
    color: var(--text-muted);
}

.contrast__convert-icon {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: rgba(184, 146, 74, 0.08);
    border: 1px solid rgba(184, 146, 74, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 14px 0;
    box-shadow: 0 0 50px rgba(184, 146, 74, 0.18);
}

.contrast__convert-name {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
    color: var(--accent-gold-light);
    letter-spacing: -0.02em;
}

.contrast__convert-sub {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.02em;
    line-height: 1.5;
    max-width: 160px;
}

.contrast__convert-desc {
    font-size: 14px;
    line-height: 1.65;
    color: var(--text-secondary);
    margin-top: 8px;
}

/* Google Maps Analogy */
.contrast__analogy {
    display: flex;
    align-items: center;
    gap: 32px;
    margin: 80px auto 0;
    max-width: 800px;
}

.contrast__analogy-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--accent-gold-pale), transparent);
}

.contrast__analogy-text {
    font-size: 17px;
    font-style: italic;
    line-height: 1.8;
    color: var(--text-muted);
    text-align: center;
    max-width: 600px;
    flex-shrink: 0;
}

.contrast__analogy-text strong {
    color: var(--text-primary);
    font-style: normal;
    font-weight: 600;
}

/* ============================================
   VALUE PROPOSITIONS
   ============================================ */
.value {
    position: relative;
    padding: 200px 0 var(--section-padding);
    background: #FAFAF8;
}

.value::before {
    content: '';
    position: absolute;
    top: -60px;
    left: 0;
    width: 100%;
    height: 60px;
    background: #FAFAF8;
    clip-path: ellipse(55% 100% at 50% 100%);
}

.value__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
    margin-top: 72px;
    perspective: 1200px;
}

.value__card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transform-style: preserve-3d;
    backface-visibility: hidden;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                box-shadow 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                border-color 0.5s ease;
}

.value__card:hover {
    border-color: var(--border-gold-glow);
    box-shadow:
        0 12px 48px rgba(184, 146, 74, 0.12),
        0 4px 16px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(184, 146, 74, 0.08);
    transform: translateY(-6px);
}

.value__card:hover .value__card-icon {
    background: rgba(184, 146, 74, 0.08);
    transition: background 0.4s ease;
}

.value__card-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-metallic);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    opacity: 1;
}

.value__card:hover .value__card-accent {
    height: 3px;
}

.value__card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 14px;
    margin-bottom: 28px;
}

.value__card-title {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.value__card-text {
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-secondary);
}

/* ============================================
   PLATFORM PREVIEW
   ============================================ */
.preview {
    padding: var(--section-padding) 0;
    background: linear-gradient(180deg, var(--bg-primary) 0%, #F0F2F7 45%, #FBFBFA 100%);
    overflow: hidden;
}

.preview__wrapper {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding-bottom: 80px;
}

.preview__glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(184, 146, 74, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.preview__mock {
    position: relative;
    z-index: 1;
    background: #0D1520;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow:
        0 4px 16px rgba(0,0,0,0.15),
        0 24px 80px rgba(0,0,0,0.25),
        0 0 0 1px rgba(184, 146, 74, 0.08),
        0 0 120px rgba(184, 146, 74, 0.06);
}

.preview__chrome {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
    background: #0A0F1A;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.preview__dots {
    display: flex;
    gap: 7px;
}

.preview__dots span {
    width: 11px;
    height: 11px;
    border-radius: 50%;
}

.preview__dots span:nth-child(1) { background: #FF5F57; }
.preview__dots span:nth-child(2) { background: #FEBC2E; }
.preview__dots span:nth-child(3) { background: #28C840; }

.preview__tabs {
    display: flex;
    gap: 4px;
    margin-left: 16px;
}

.preview__tab {
    padding: 5px 14px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    color: rgba(255,255,255,0.4);
    transition: all 0.3s ease;
    filter: blur(3px);
    user-select: none;
}

.preview__tab--active {
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.8);
    filter: blur(3px);
}

.preview__body {
    display: flex;
    min-height: 380px;
}

.preview__sidebar {
    width: 56px;
    padding: 16px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    border-right: 1px solid rgba(255,255,255,0.06);
    flex-shrink: 0;
}

.preview__sidebar-item {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255,255,255,0.04);
    transition: background 0.3s ease;
}

.preview__sidebar-item--active {
    background: rgba(184, 146, 74, 0.2);
    box-shadow: inset 0 0 0 1px rgba(184, 146, 74, 0.3);
}

.preview__main {
    flex: 1;
    padding: 24px;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 16px;
}

.preview__panel {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 10px;
    padding: 16px;
}

.preview__panel--chart {
    grid-row: 1 / 3;
}

.preview__panel-header {
    width: 40%;
    height: 8px;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    margin-bottom: 20px;
}

.preview__bars {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: calc(100% - 36px);
    padding-top: 12px;
}

.preview__bar {
    flex: 1;
    border-radius: 4px 4px 0 0;
    background: linear-gradient(to top, rgba(184, 146, 74, 0.3), rgba(184, 146, 74, 0.6));
    min-height: 20px;
}

.preview__bar:nth-child(even) {
    background: linear-gradient(to top, rgba(30, 58, 110, 0.3), rgba(30, 58, 110, 0.5));
}

.preview__metric {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

.preview__metric:last-child { border-bottom: none; }

.preview__metric-label {
    width: 50%;
    height: 6px;
    background: rgba(255,255,255,0.08);
    border-radius: 3px;
    margin-bottom: 8px;
}

.preview__metric-value {
    width: 35%;
    height: 10px;
    background: rgba(255,255,255,0.15);
    border-radius: 5px;
}

.preview__metric-value--gold {
    background: rgba(184, 146, 74, 0.4);
}

.preview__panel--table {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.preview__table-row {
    height: 10px;
    background: rgba(255,255,255,0.04);
    border-radius: 5px;
}

.preview__table-row:first-child {
    background: rgba(255,255,255,0.08);
}

/* Floating glass cards */
.preview__float {
    position: absolute;
    z-index: 2;
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.preview__float--1 {
    top: 15%;
    right: -60px;
    width: 180px;
}

.preview__float--2 {
    bottom: 20%;
    left: -40px;
    width: 160px;
}

.preview__float-line {
    width: 80%;
    height: 6px;
    background: rgba(255,255,255,0.12);
    border-radius: 3px;
    margin-bottom: 8px;
}

.preview__float-line--short {
    width: 50%;
}

.preview__float-sparkline {
    margin-top: 8px;
}

.preview__float-sparkline svg {
    width: 100%;
    height: 20px;
}

.preview__float-badge {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(184, 146, 74, 0.3);
    margin-top: 8px;
}

/* Reflection */
.preview__reflection {
    position: absolute;
    bottom: -40px;
    left: 5%;
    right: 5%;
    height: 120px;
    background: linear-gradient(to bottom, rgba(13, 21, 32, 0.06), transparent);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    filter: blur(12px);
    z-index: 0;
    pointer-events: none;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.steps {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.steps__grid {
    display: flex;
    align-items: flex-start;
    gap: 0;
    margin-top: 80px;
}

.steps__item {
    flex: 1;
    text-align: center;
    position: relative;
    padding: 0 32px;
}

.steps__number {
    font-family: var(--font-heading);
    font-size: 100px;
    font-weight: 800;
    color: rgba(184, 146, 74, 0.15);
    line-height: 1;
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
    z-index: 0;
}

.steps__icon {
    position: relative;
    z-index: 1;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    margin: 40px auto 24px;
}

.steps__title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.steps__text {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.steps__connector {
    width: 80px;
    flex-shrink: 0;
    padding-top: 100px;
}

.steps__connector svg {
    width: 100%;
    height: 2px;
    overflow: visible;
}

.steps__line {
    stroke-dasharray: 6 4;
}

/* ============================================
   CREDIBILITY
   ============================================ */
.credibility {
    padding: var(--section-padding) 0;
    text-align: center;
    background:
        radial-gradient(circle at top right, rgba(184, 146, 74, 0.08), transparent 24%),
        linear-gradient(180deg, #0B1426 0%, #0B1426 56%, #101D33 100%);
}

.credibility .section-label,
.credibility .section-title,
.credibility .section-subtitle {
    color: #FFFFFF;
}

.credibility .section-label::before {
    background: var(--accent-gold);
}

.credibility .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.credibility__logo-section {
    margin-top: 64px;
    text-align: center;
    width: 100%;
}

.credibility__logo-section + .credibility__logo-section {
    margin-top: 32px;
}

.credibility__logo-label {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-gold);
    margin-bottom: 20px;
    text-align: center;
}

/* Professional & Education: center column pinned to exact 50% via 1fr auto 1fr grid */
.credibility__logos {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    width: 100%;
}

.credibility__logos-side {
    display: flex;
    align-items: center;
}

.credibility__logos-side--left {
    justify-content: flex-end;
}

.credibility__logos-side--right {
    justify-content: flex-start;
}

/* Education: school names fill their grid cells with inward text alignment */
.credibility__logo-section + .credibility__logo-section .credibility__logo-text:first-child {
    text-align: right;
}

.credibility__logo-section + .credibility__logo-section .credibility__logo-text:last-child {
    text-align: left;
}

.credibility__logo-text {
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.10em;
    color: rgba(255, 255, 255, 0.55);
    transition: color 0.3s ease;
    white-space: nowrap;
}

.credibility__logo-text:hover {
    color: rgba(255, 255, 255, 0.85);
}

.credibility__logo-sep {
    width: 1px;
    height: 20px;
    background: rgba(255, 255, 255, 0.15);
    margin: 0 32px;
    flex-shrink: 0;
}

/* ============================================
   CTA / WAITLIST
   ============================================ */
.cta {
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.cta__glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(184, 146, 74, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

.cta__form {
    max-width: 520px;
    margin: 0 auto;
    text-align: center;
}

.cta__input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.cta__input {
    flex: 1;
    padding: 16px 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 16px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.cta__input::placeholder {
    color: var(--text-muted);
}

.cta__input:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(184, 146, 74, 0.1);
}

.cta__submit {
    white-space: nowrap;
    flex-shrink: 0;
}

.cta__privacy {
    font-size: 13px;
    color: var(--text-muted);
}

.cta__success {
    text-align: center;
}

.cta__success svg {
    margin: 0 auto 20px;
}

.cta__success h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.cta__success p {
    color: var(--text-secondary);
}

/* Error state */
.cta__input--error {
    border-color: #E53E3E;
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-hero);
    padding: 48px 24px;
    border-top: 1px solid rgba(184, 146, 74, 0.1);
}

.footer__container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer__left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.footer__copy {
    font-size: 14px;
    color: rgba(255,255,255,0.4);
}

.footer__links {
    display: flex;
    gap: 32px;
}

.footer__links a {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    transition: color 0.3s ease;
}

.footer__links a:hover {
    color: var(--accent-gold-light);
}

/* ============================================
   REVEAL UTILITY (initial state for GSAP)
   ============================================ */
.reveal-up {
    opacity: 0;
    transform: translateY(50px);
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 1023px) {
    .section-title {
        font-size: 40px;
    }

    .hero__title {
        font-size: 52px;
    }

    .hero__logos-row {
        gap: 20px;
    }

    .hero__logos-row span {
        font-size: 11px;
    }

    .value {
        padding-top: 140px;
    }

    .bridge__grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .bridge__divider {
        flex-direction: row;
        padding-top: 0;
    }

    .bridge__divider-line {
        width: 40px;
        height: 1px;
    }

    .bridge__side {
        padding: 36px;
    }

    .bridge__statement-title {
        font-size: 36px;
    }

    .contrast__grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .contrast__flow {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .contrast__divider {
        padding-top: 0;
    }

    .contrast__side {
        padding: 36px;
    }

    .capabilities__row {
        padding: 36px 40px 36px 72px;
    }

    .preview__float--1 {
        right: -20px;
    }

    .preview__float--2 {
        left: -10px;
    }
}

/* Mobile */
@media (max-width: 767px) {
    html {
        overflow-x: hidden;
    }

    :root {
        --section-padding: 100px;
    }

    body {
        font-size: 16px;
    }

    .section-title {
        font-size: 32px;
    }

    .bridge {
        padding-top: 100px;
    }

    .bridge__band {
        min-height: auto;
        margin-top: 50px;
    }

    .bridge__band > .container {
        padding: 60px 0;
    }

    .bridge__statement-title {
        font-size: 26px;
        margin-bottom: 40px;
    }

    .bridge__flow {
        flex-direction: column;
        gap: 8px;
    }

    .bridge__arrow {
        transform: rotate(90deg);
        margin-bottom: 0;
        padding: 4px 0;
    }

    .bridge__stage {
        padding: 12px 0;
    }

    .bridge__tagline {
        font-size: 16px;
    }

    .contrast {
        padding-top: 100px;
    }

    .contrast__visual {
        gap: 10px;
    }

    .contrast__icon {
        width: 44px;
        height: 44px;
    }

    .capabilities__title {
        font-size: 28px;
        margin-top: 60px;
    }

    .capabilities__row {
        padding: 32px 28px 32px 60px;
    }

    .capabilities__number {
        left: 18px;
        font-size: 18px;
    }

    .capabilities__heading {
        font-size: 19px;
    }

    .contrast__analogy {
        flex-direction: column;
        gap: 20px;
    }

    .contrast__analogy-line {
        width: 60px;
        height: 1px;
    }

    .section-subtitle {
        font-size: 17px;
        margin-bottom: 48px;
    }

    .hero__logos {
        margin-top: 40px;
    }

    .hero__logos-row {
        gap: 12px 20px;
    }

    .hero__logos-row span {
        font-size: 10px;
    }

    .hero__title {
        font-size: 40px;
    }

    .hero__subtitle {
        font-size: 17px;
    }

    .hero__actions {
        flex-direction: column;
        gap: 12px;
    }

    .hero__actions .btn {
        width: 100%;
    }

    .value {
        padding-top: 100px;
    }

    .value__grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .value__card {
        padding: 36px;
    }

    .preview__float {
        display: none;
    }

    .preview__body {
        min-height: 260px;
    }

    .preview__main {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .preview__panel--chart {
        grid-row: auto;
        min-height: 160px;
    }

    .steps__grid {
        flex-direction: column;
        gap: 48px;
        align-items: center;
    }

    .steps__item {
        max-width: 380px;
    }

    .steps__connector {
        display: none;
    }

    .steps__number {
        font-size: 72px;
    }

    .credibility__logo-section {
        margin-top: 36px;
    }

    .credibility__logo-section + .credibility__logo-section {
        margin-top: 24px;
    }

    /* Credibility logos — override grid to flex column so logos stack vertically */
    .credibility__logos {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .credibility__logos-side {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .credibility__logo-text {
        font-size: 14px;
        white-space: normal;
        text-align: center;
    }

    .credibility__logo-sep {
        display: none;
    }

    .cta__input-group {
        flex-direction: column;
    }

    .footer__container {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .footer__left {
        flex-direction: column;
        gap: 12px;
    }

    .footer__links {
        gap: 20px;
    }

    /* Glow overflow fix */
    .bridge__band-glow {
        width: 100%;
        max-width: 100%;
        height: 200px;
    }

    .preview__glow {
        width: 100%;
        max-width: 100%;
        height: 250px;
    }

    /* Bridge flow vertical spacing */
    .bridge__stage {
        padding: 16px 0;
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
    }

    .bridge__stage-icon {
        width: 72px;
        height: 72px;
    }

    .bridge__flow {
        gap: 4px;
        padding: 0 24px;
    }

    /* Nav height + touch target */
    .nav {
        height: 60px;
    }

    .nav__logo-svg {
        width: 130px;
        height: 26px;
    }

    .btn--sm {
        min-height: 44px;
        padding: 10px 20px;
        display: inline-flex;
        align-items: center;
    }

    /* Hero background image */
    .hero__image-bg {
        background-size: 100vw auto;
        background-position: center 40%;
        opacity: 0.20;
    }

    /* Contrast section + preview sidebar */
    .contrast__side {
        padding: 24px 20px;
    }

    .preview__sidebar {
        display: none;
    }
}

/* 480px breakpoint for small phones (iPhone SE, budget Android, iPhone 17 series) */
@media (max-width: 480px) {
    .hero__title {
        font-size: 34px;
        letter-spacing: -0.03em;
    }

    .hero__subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .bridge__statement-title {
        font-size: 22px;
    }

    .value__card {
        padding: 28px 20px;
    }

    .capabilities__row {
        padding: 24px 20px 24px 52px;
    }

    .capabilities__number {
        left: 14px;
    }

    .steps__number {
        font-size: 60px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal-up,
    .capabilities__row,
    .value__card,
    .steps__item,
    .contrast__side,
    .contrast__divider,
    .contrast__analogy,
    .credibility__logo-text,
    .credibility__logo-sep,
    .cta__form,
    .section-label,
    .section-title .word,
    .section-subtitle {
        opacity: 1 !important;
        transform: none !important;
    }

    html {
        scroll-behavior: auto;
    }

    .hero__eyebrow,
    .hero__subtitle,
    .hero__actions,
    .hero__logos {
        opacity: 1;
        transform: none;
    }

    .hero__line {
        width: 60px;
        opacity: 1;
    }
}