/* ============================================
   HENNO.AI — SHARED DESIGN SYSTEM
   ============================================ */

/* Self-hosted fonts */
@font-face { font-family: 'DM Sans'; font-style: normal; font-weight: 300; font-display: swap; src: url(/fonts/dm-sans-latin.woff2) format('woff2'); }
@font-face { font-family: 'DM Sans'; font-style: normal; font-weight: 400; font-display: swap; src: url(/fonts/dm-sans-latin.woff2) format('woff2'); }
@font-face { font-family: 'DM Sans'; font-style: normal; font-weight: 500; font-display: swap; src: url(/fonts/dm-sans-latin.woff2) format('woff2'); }
@font-face { font-family: 'DM Sans'; font-style: normal; font-weight: 600; font-display: swap; src: url(/fonts/dm-sans-latin.woff2) format('woff2'); }
@font-face { font-family: 'DM Sans'; font-style: normal; font-weight: 700; font-display: swap; src: url(/fonts/dm-sans-latin.woff2) format('woff2'); }
@font-face { font-family: 'Instrument Serif'; font-style: normal; font-weight: 400; font-display: swap; src: url(/fonts/instrument-serif-latin.woff2) format('woff2'); }
@font-face { font-family: 'Instrument Serif'; font-style: italic; font-weight: 400; font-display: swap; src: url(/fonts/instrument-serif-latin-italic.woff2) format('woff2'); }

:root {
    --bg: #08080a;
    --bg-elevated: #0e0e12;
    --bg-card: #111114;
    --bg-card-hover: #17171c;
    --border: #1a1a22;
    --border-hover: #28283a;
    --text: #eeeef0;
    --text-muted: #8a8a96;
    --text-dim: #4a4a58;
    --accent: #4f8fff;
    --accent-light: #38bdf8;
    --accent-glow: rgba(79, 143, 255, 0.15);
    --accent-soft: rgba(79, 143, 255, 0.06);
    --serif: 'Instrument Serif', Georgia, serif;
    --sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
}

/* Light mode overrides */
[data-theme="light"] {
    --bg: #f8f8fa;
    --bg-elevated: #f0f0f4;
    --bg-card: #ffffff;
    --bg-card-hover: #f5f5f8;
    --border: #e2e2ea;
    --border-hover: #c8c8d4;
    --text: #1a1a2e;
    --text-muted: #5a5a72;
    --text-dim: #9a9ab0;
    --accent: #2563eb;
    --accent-light: #0ea5e9;
    --accent-glow: rgba(37, 99, 235, 0.12);
    --accent-soft: rgba(37, 99, 235, 0.06);
}

[data-theme="light"] body {
    -webkit-font-smoothing: auto;
    -moz-osx-font-smoothing: auto;
}

[data-theme="light"] body::before {
    opacity: 0;
}

[data-theme="light"] nav {
    background: rgba(248, 248, 250, 0.8);
    border-bottom-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] nav.scrolled {
    background: rgba(248, 248, 250, 0.95);
    border-bottom-color: var(--border);
}

[data-theme="light"] .hero-badge {
    background: rgba(255, 255, 255, 0.8);
    border-color: var(--border);
}

[data-theme="light"] .hero-glow-1 {
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08), transparent 70%);
}

[data-theme="light"] .hero-glow-2 {
    background: radial-gradient(circle, rgba(14, 165, 233, 0.06), transparent 70%);
}

[data-theme="light"] .hero-glow-3 {
    background: radial-gradient(circle, rgba(37, 99, 235, 0.04), transparent 70%);
}

[data-theme="light"] .hero-grid {
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
}

[data-theme="light"] .hero h1 em {
    background: linear-gradient(135deg, #2563eb, #0ea5e9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .nav-cta {
    box-shadow: 0 1px 3px rgba(37, 99, 235, 0.2);
}

[data-theme="light"] .nav-cta:hover {
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

[data-theme="light"] .btn-primary {
    box-shadow: 0 1px 3px rgba(37, 99, 235, 0.2), inset 0 1px 0 rgba(255,255,255,0.2);
}

[data-theme="light"] .btn-primary:hover {
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3), inset 0 1px 0 rgba(255,255,255,0.2);
}

[data-theme="light"] .btn-secondary {
    color: var(--text);
    border-color: var(--border);
}

[data-theme="light"] .btn-secondary:hover {
    background: var(--bg-elevated);
    border-color: var(--border-hover);
}

[data-theme="light"] .stat-number {
    text-shadow: none;
}

[data-theme="light"] .stats-grid > div:not(:last-child)::after {
    background: var(--border);
}

[data-theme="light"] .problem-card {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .problem-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .step-card {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .step-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .step-num {
    color: var(--border);
}

[data-theme="light"] .testimonial-card {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .testimonial-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .testimonial-avatar {
    background: linear-gradient(135deg, #2563eb, #0ea5e9);
}

[data-theme="light"] .service-item {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .service-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .about-photo {
    border-color: var(--border);
}

[data-theme="light"] .cred-tag {
    background: var(--bg-elevated);
    border-color: var(--border);
}

[data-theme="light"] .faq-toggle svg line {
    stroke: var(--text-muted);
}

[data-theme="light"] .final-cta {
    background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg) 100%);
}

[data-theme="light"] .nav-logo span {
    background: linear-gradient(135deg, #2563eb, #0ea5e9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Theme toggle */
.theme-toggle {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.3s var(--ease-out-quart), color 0.3s var(--ease-out-quart), background 0.3s var(--ease-out-quart);
    color: var(--text-muted);
    padding: 0;
}

.theme-toggle:hover {
    border-color: var(--border-hover);
    color: var(--text);
    background: var(--bg-card);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s var(--ease-out-quart);
}

.theme-toggle:hover svg {
    transform: rotate(15deg);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

[data-theme="light"] .theme-toggle .icon-moon {
    display: block;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--sans);
    font-size: 1rem;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Noise overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.02'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.2s;
}

a:hover {
    opacity: 0.8;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(36px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(40px, -50px) scale(1.06); }
    66% { transform: translate(-30px, 25px) scale(0.94); }
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-50px, 35px) scale(0.94); }
    66% { transform: translate(35px, -30px) scale(1.06); }
}

@keyframes float3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -40px) scale(1.03); }
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* ============================================
   SCROLL REVEAL SYSTEM
   ============================================ */

.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.9s var(--ease-out-expo), transform 0.9s var(--ease-out-expo);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   NAVIGATION
   ============================================ */

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 18px 0;
    background: rgba(8, 8, 10, 0.7);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: transform 0.4s var(--ease-out-quart), background 0.3s;
}

nav.hidden {
    transform: translateY(-100%);
}

nav.scrolled {
    background: rgba(8, 8, 10, 0.9);
    border-bottom-color: var(--border);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--sans);
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.3px;
}

.nav-logo span {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-cta {
    font-size: 14px;
    font-weight: 500;
    color: var(--bg);
    background: var(--accent);
    padding: 10px 24px;
    border-radius: 8px;
    transition: transform 0.3s var(--ease-out-quart), box-shadow 0.3s var(--ease-out-quart);
    box-shadow: 0 0 20px rgba(79, 143, 255, 0.15);
}

.nav-cta:hover {
    opacity: 1;
    transform: translateY(-1px);
    box-shadow: 0 0 30px rgba(79, 143, 255, 0.25);
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--text);
    opacity: 1;
}

/* ============================================
   HERO
   ============================================ */

.hero {
    padding: 180px 0 130px;
    position: relative;
    overflow: hidden;
}

/* Animated gradient orbs */
.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    will-change: transform;
}

.hero-glow-1 {
    width: 700px;
    height: 700px;
    top: -250px;
    left: 50%;
    margin-left: -350px;
    background: radial-gradient(circle, rgba(79, 143, 255, 0.14), transparent 70%);
    animation: float1 25s ease-in-out infinite;
}

.hero-glow-2 {
    width: 500px;
    height: 500px;
    top: 50px;
    right: -150px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.08), transparent 70%);
    animation: float2 20s ease-in-out infinite;
}

.hero-glow-3 {
    width: 400px;
    height: 400px;
    bottom: -50px;
    left: -100px;
    background: radial-gradient(circle, rgba(79, 143, 255, 0.06), transparent 70%);
    animation: float3 30s ease-in-out infinite;
}

/* Subtle grid pattern */
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 70% 50% at 50% 20%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 50% at 50% 20%, black 20%, transparent 70%);
}

/* Hero entrance stagger */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border: 1px solid rgba(79, 143, 255, 0.12);
    border-radius: 100px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 36px;
    background: rgba(17, 17, 20, 0.6);
    backdrop-filter: blur(10px);
    opacity: 0;
    animation: fadeUp 0.9s var(--ease-out-expo) 0.2s forwards;
}

.hero-badge .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #4ade80;
    box-shadow: 0 0 12px rgba(74, 222, 128, 0.4);
    animation: pulse 2.5s ease-in-out infinite;
}

.hero h1 {
    font-family: var(--serif);
    font-size: clamp(46px, 7vw, 80px);
    font-weight: 400;
    line-height: 1.05;
    letter-spacing: -1.5px;
    margin-bottom: 28px;
    max-width: 820px;
    text-wrap: balance;
    opacity: 0;
    animation: fadeUp 0.9s var(--ease-out-expo) 0.4s forwards;
}

.hero h1 em {
    font-style: italic;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 65ch;
    line-height: 1.7;
    margin-bottom: 44px;
    text-wrap: pretty;
    opacity: 0;
    animation: fadeUp 0.9s var(--ease-out-expo) 0.6s forwards;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.9s var(--ease-out-expo) 0.8s forwards;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 36px;
    background: var(--accent);
    color: var(--bg);
    font-size: 15px;
    font-weight: 600;
    border-radius: 12px;
    transition: transform 0.35s var(--ease-out-quart), box-shadow 0.35s var(--ease-out-quart);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 24px rgba(79, 143, 255, 0.2), inset 0 1px 0 rgba(255,255,255,0.12);
}

.btn-primary .arrow {
    display: inline-block;
    transition: transform 0.35s var(--ease-out-quart);
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
    transition: none;
}

.btn-primary:hover {
    opacity: 1;
    transform: translateY(-2px);
    box-shadow: 0 4px 40px rgba(79, 143, 255, 0.35), inset 0 1px 0 rgba(255,255,255,0.12);
}

.btn-primary:hover .arrow {
    transform: translateX(4px);
}

.btn-primary:hover::after {
    animation: shimmer 0.7s var(--ease-out-expo) forwards;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 36px;
    background: transparent;
    color: var(--text);
    font-size: 15px;
    font-weight: 500;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: border-color 0.35s var(--ease-out-quart), background 0.35s var(--ease-out-quart), transform 0.35s var(--ease-out-quart);
    cursor: pointer;
}

.btn-secondary:hover {
    border-color: var(--border-hover);
    background: rgba(255,255,255,0.02);
    transform: translateY(-1px);
}

/* ============================================
   STATS BAR
   ============================================ */

.stats-bar {
    padding: 64px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}

.stats-grid > div {
    position: relative;
}

/* Dividers between stats on desktop */
.stats-grid > div:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, transparent, var(--border-hover), transparent);
}

.stat-number {
    font-family: var(--serif);
    font-size: clamp(36px, 5vw, 48px);
    color: var(--text);
    margin-bottom: 6px;
    line-height: 1;
    text-shadow: 0 0 40px rgba(79, 143, 255, 0.1);
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ============================================
   SECTION STYLES
   ============================================ */

section {
    padding: 120px 0;
}

.section-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--serif);
    font-size: clamp(32px, 4.5vw, 52px);
    font-weight: 400;
    line-height: 1.12;
    letter-spacing: -0.5px;
    margin-bottom: 20px;
    max-width: 620px;
    text-wrap: balance;
}

.section-desc {
    font-size: 17px;
    color: var(--text-muted);
    max-width: 65ch;
    line-height: 1.7;
    margin-bottom: 64px;
    text-wrap: pretty;
}

/* ============================================
   TESTIMONIALS
   ============================================ */

.testimonials {
    border-bottom: 1px solid var(--border);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 48px;
    align-items: start;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    transition: border-color 0.4s var(--ease-out-expo), transform 0.4s var(--ease-out-expo), background 0.4s var(--ease-out-expo), box-shadow 0.4s var(--ease-out-expo);
    position: relative;
    display: flex;
    flex-direction: column;
}

.testimonial-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    background: var(--bg-card-hover);
}

.testimonial-quote {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    margin-bottom: 24px;
    font-style: italic;
    flex: 1;
}

.testimonial-quote::before {
    content: '\201C';
    font-family: var(--serif);
    font-size: 48px;
    color: var(--accent);
    opacity: 0.4;
    line-height: 0;
    display: block;
    margin-bottom: 12px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    color: white;
    flex-shrink: 0;
}

.testimonial-name {
    font-weight: 600;
    font-size: 15px;
    color: var(--text);
}

.testimonial-role {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}

.testimonial-stars {
    color: #f59e0b;
    font-size: 16px;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.testimonial-source {
    color: var(--text-muted);
    font-size: 13px;
    letter-spacing: 0;
    margin-left: 8px;
}

.testimonial-result {
    display: inline-block;
    background: var(--accent-soft);
    border: 1px solid rgba(79, 143, 255, 0.12);
    color: var(--accent-light);
    font-size: 13px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 20px;
    margin-top: 16px;
    align-self: flex-start;
}

@media (max-width: 768px) {
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   PROBLEM SECTION
   ============================================ */

.problems {
    border-bottom: 1px solid var(--border);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.problem-card {
    padding: 36px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--bg-card);
    transition: border-color 0.4s var(--ease-out-quart), background 0.4s var(--ease-out-quart), transform 0.4s var(--ease-out-quart), box-shadow 0.4s var(--ease-out-quart);
}

.problem-card:hover {
    border-color: rgba(79, 143, 255, 0.15);
    background: var(--bg-card-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.25), 0 0 0 1px rgba(79, 143, 255, 0.06);
}

.problem-icon {
    font-size: 28px;
    margin-bottom: 18px;
    display: inline-block;
    transition: transform 0.4s var(--ease-out-expo);
}

.problem-card:hover .problem-icon {
    transform: scale(1.15);
}

.problem-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: -0.2px;
}

.problem-card p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ============================================
   PROCESS SECTION
   ============================================ */

.process {
    border-bottom: 1px solid var(--border);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.process-step {
    padding: 44px 32px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--bg-card);
    position: relative;
    transition: border-color 0.4s var(--ease-out-quart), background 0.4s var(--ease-out-quart), transform 0.4s var(--ease-out-quart), box-shadow 0.4s var(--ease-out-quart);
    overflow: hidden;
}

/* Subtle top accent line - hidden by default, appears on hover */
.process-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    opacity: 0;
    transition: opacity 0.4s;
}

.process-step:hover {
    border-color: rgba(79, 143, 255, 0.15);
    background: var(--bg-card-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.25), 0 0 0 1px rgba(79, 143, 255, 0.06);
}

.process-step:hover::before {
    opacity: 1;
}

.step-number {
    font-family: var(--serif);
    font-size: 52px;
    color: var(--accent);
    opacity: 0.2;
    margin-bottom: 24px;
    line-height: 1;
}

.process-step h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: -0.2px;
}

.step-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 5px 14px;
    border-radius: 100px;
    margin-bottom: 18px;
    border: 1px solid rgba(79, 143, 255, 0.1);
}

.process-step p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services {
    border-bottom: 1px solid var(--border);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.service-item {
    padding: 24px 28px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--bg-card);
    font-size: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: border-color 0.35s var(--ease-out-quart), background 0.35s var(--ease-out-quart), transform 0.35s var(--ease-out-quart), box-shadow 0.35s var(--ease-out-quart);
}

.service-item:hover {
    border-color: rgba(79, 143, 255, 0.15);
    background: var(--bg-card-hover);
    transform: translateX(4px);
}

.service-item .check {
    color: var(--accent);
    font-size: 15px;
    flex-shrink: 0;
    font-weight: 700;
    transition: transform 0.35s var(--ease-out-expo);
}

.service-item:hover .check {
    transform: scale(1.3);
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
    border-bottom: 1px solid var(--border);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 64px;
    align-items: start;
}

.about-image {
    width: 100%;
    aspect-ratio: 3/4;
    border-radius: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    overflow: hidden;
    position: relative;
    transition: border-color 0.4s;
}

.about-image:hover {
    border-color: var(--border-hover);
}

/* Decorative corner accent */
.about-image::after {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    width: 60px;
    height: 60px;
    border-top: 2px solid var(--accent);
    border-left: 2px solid var(--accent);
    border-radius: 20px 0 0 0;
    opacity: 0.4;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-image .placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: 14px;
    background: linear-gradient(135deg, var(--bg-card), var(--bg-elevated));
}

.about-text h3 {
    font-family: var(--serif);
    font-size: 36px;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.about-text p {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
    text-wrap: pretty;
}

.about-text p strong {
    color: var(--text);
    font-weight: 600;
}

.credibility-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 28px;
}

.cred-tag {
    font-size: 13px;
    padding: 7px 16px;
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--text-muted);
    background: var(--bg-card);
    transition: border-color 0.3s, color 0.3s, background 0.3s;
}

.cred-tag:hover {
    border-color: var(--border-hover);
    color: var(--text);
}

/* ============================================
   FAQ SECTION
   ============================================ */

.faq {
    border-bottom: 1px solid var(--border);
}

.faq-list {
    max-width: 700px;
}

details.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 0;
}

details.faq-item > summary {
    list-style: none;
}

details.faq-item > summary::-webkit-details-marker {
    display: none;
}

.faq-item:first-child {
    border-top: 1px solid var(--border);
}

.faq-question {
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 28px 0;
    transition: color 0.3s;
    letter-spacing: -0.2px;
}

.faq-question:hover {
    color: var(--accent);
}

.faq-toggle {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s var(--ease-out-quart), border-color 0.4s var(--ease-out-quart), background 0.4s var(--ease-out-quart);
    background: transparent;
}

.faq-toggle svg {
    width: 12px;
    height: 12px;
    stroke: var(--text-muted);
    stroke-width: 2;
    fill: none;
    transition: transform 0.4s var(--ease-out-quart);
}

details.faq-item[open] .faq-toggle {
    border-color: var(--accent);
    background: var(--accent-soft);
}

details.faq-item[open] .faq-toggle svg {
    transform: rotate(45deg);
    stroke: var(--accent);
}

.faq-answer {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
    text-wrap: pretty;
    padding-bottom: 28px;
}

/* ============================================
   FINAL CTA SECTION
   ============================================ */

.final-cta {
    padding: 140px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Ambient glow */
.final-cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 900px;
    height: 500px;
    background: radial-gradient(ellipse, rgba(79, 143, 255, 0.08) 0%, transparent 65%);
    filter: blur(40px);
    pointer-events: none;
}

.final-cta .section-title {
    margin: 0 auto 16px;
    max-width: 500px;
}

.final-cta .section-desc {
    margin: 0 auto 48px;
    text-align: center;
}

.final-cta .hero-ctas {
    justify-content: center;
    opacity: 1;
    animation: none;
}

/* ============================================
   RELATED READING
   ============================================ */

.related-reading {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px 80px;
}

.related-reading h2 {
    font-family: var(--serif);
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 400;
    margin-bottom: 24px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.related-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: border-color 0.3s, transform 0.3s var(--ease-out-quart);
    text-decoration: none;
}

.related-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.related-title {
    font-family: var(--serif);
    font-size: 17px;
    font-weight: 400;
    color: var(--text);
    line-height: 1.3;
}

.related-excerpt {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
}

@media (max-width: 768px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   FOOTER
   ============================================ */

footer {
    padding: 44px 0;
    border-top: 1px solid var(--border);
}

footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-text {
    font-size: 14px;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 14px;
    color: var(--text-muted);
    position: relative;
    transition: color 0.3s;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.3s var(--ease-out-quart);
}

.footer-links a:hover {
    color: var(--text);
    opacity: 1;
}

.footer-links a:hover::after {
    width: 100%;
}

/* ============================================
   FOCUS STATES
   ============================================ */

.theme-toggle:focus-visible,
.nav-cta:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.chat-bubble:focus-visible,
.chat-slot-pill:focus-visible,
.chat-input-bar button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.faq-question:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}

.footer-links a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.article-body a:focus-visible,
.back-link:focus-visible,
.nav-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 2px;
}

/* ============================================
   SKIP LINK
   ============================================ */

.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    z-index: 200;
    padding: 8px 16px;
    background: var(--accent);
    color: var(--bg);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    opacity: 0;
}

.skip-link:focus {
    top: 16px;
    opacity: 1;
}

/* ============================================
   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 {
        opacity: 1;
        transform: none;
    }

    html {
        scroll-behavior: auto;
    }
}

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

@media (max-width: 768px) {
    .hero {
        padding: 140px 0 90px;
    }

    .hero h1 {
        letter-spacing: -1px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .stats-grid > div:not(:last-child)::after {
        display: none;
    }

    section {
        padding: 80px 0;
    }

    .problem-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        max-width: 280px;
        aspect-ratio: 1;
    }

    .hero-ctas {
        flex-direction: column;
        align-items: flex-start;
    }

    .final-cta {
        padding: 100px 0;
    }

    footer .container {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .btn-primary,
    .btn-secondary {
        padding: 14px 28px;
    }
}

/* ============================================
   BLOG STYLES
   ============================================ */

/* Blog listing page */
.blog-header {
    padding: 160px 0 80px;
    position: relative;
}

.blog-header h1 {
    font-family: var(--serif);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.blog-header p {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 55ch;
    line-height: 1.7;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    padding-bottom: 120px;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    transition: border-color 0.4s var(--ease-out-expo), transform 0.4s var(--ease-out-expo), background 0.4s var(--ease-out-expo);
    display: block;
    color: var(--text);
}

.blog-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    background: var(--bg-card-hover);
    opacity: 1;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.blog-card-meta .dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--text-dim);
}

.blog-card h2 {
    font-family: var(--serif);
    font-size: 24px;
    font-weight: 400;
    line-height: 1.3;
    letter-spacing: -0.3px;
    margin-bottom: 12px;
}

.blog-card p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.65;
}

.blog-empty {
    text-align: center;
    padding: 80px 0 120px;
    color: var(--text-muted);
    font-size: 17px;
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-header {
        padding: 130px 0 60px;
    }
}

/* Blog post article */
.article-header {
    padding: 160px 0 48px;
    max-width: 720px;
    margin: 0 auto;
}

.article-header .back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 32px;
    transition: color 0.2s;
}

.article-header .back-link:hover {
    color: var(--text);
    opacity: 1;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.article-meta .dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--text-dim);
}

.article-header h1 {
    font-family: var(--serif);
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 16px;
    text-wrap: balance;
}

.article-header .article-excerpt {
    font-size: 18px;
    color: var(--text-muted);
    line-height: 1.7;
}

.article-header .article-author {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 16px;
}

.article-header .article-updated {
    font-size: 13px;
    color: var(--text-muted);
    opacity: 0.7;
}

/* Article body prose */
.article-body {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px 120px;
}

.article-body h2 {
    font-family: var(--serif);
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.3px;
    margin: 56px 0 20px;
    color: var(--text);
    text-wrap: balance;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.3;
    margin: 40px 0 16px;
    color: var(--text);
    text-wrap: balance;
}

.article-body p {
    font-size: 17px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 24px;
    text-wrap: pretty;
}

.article-body p strong {
    color: var(--text);
    font-weight: 600;
}

.article-body a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-body a:hover {
    opacity: 0.8;
}

.article-body ul,
.article-body ol {
    margin: 0 0 24px 24px;
    color: var(--text-muted);
}

.article-body li {
    font-size: 17px;
    line-height: 1.7;
    margin-bottom: 8px;
    text-wrap: pretty;
}

.article-body blockquote {
    border-left: 3px solid var(--accent);
    padding: 16px 24px;
    margin: 32px 0;
    background: var(--accent-soft);
    border-radius: 0 12px 12px 0;
}

.article-body blockquote p {
    color: var(--text);
    margin-bottom: 0;
    font-style: italic;
}

.article-body code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.9em;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--accent-light);
}

.article-body pre {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin: 32px 0;
    overflow-x: auto;
}

.article-body pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text);
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    font-size: 15px;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.article-body thead {
    background: var(--bg-card);
}

.article-body th {
    font-weight: 600;
    color: var(--text);
    text-align: left;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    letter-spacing: -0.1px;
}

.article-body td {
    padding: 12px 20px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    line-height: 1.6;
    font-variant-numeric: tabular-nums;
}

.article-body tr:last-child td {
    border-bottom: none;
}

.article-body tbody tr.table-total td {
    font-weight: 600;
    color: var(--text);
}

.article-body tbody tr:hover {
    background: var(--bg-card);
}

@media (max-width: 768px) {
    .article-body table {
        font-size: 14px;
    }

    .article-body th,
    .article-body td {
        padding: 10px 14px;
    }
}

.flow-steps {
    list-style: none;
    margin: 24px 0 32px 0;
    padding: 0;
    counter-reset: flow;
}

.flow-steps li {
    counter-increment: flow;
    position: relative;
    padding: 12px 16px 12px 52px;
    margin-bottom: 2px;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-muted);
    background: var(--bg-card);
    border-radius: 8px;
}

.flow-steps li strong {
    color: var(--text);
}

.flow-steps li::before {
    content: counter(flow);
    position: absolute;
    left: 16px;
    top: 12px;
    width: 24px;
    height: 24px;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-body hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 48px 0;
}

.article-body figure {
    margin: 32px 0;
    padding: 0;
}

.article-body figure img {
    margin: 0;
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    border: 1px solid var(--border);
    margin: 32px 0;
}

/* Article FAQ section (for GEO) */
.article-faq {
    margin-top: 48px;
    border-top: 1px solid var(--border);
    padding-top: 48px;
}

.article-faq h2 {
    margin-top: 0;
}

@media (max-width: 768px) {
    .article-header {
        padding: 130px 0 40px;
    }

    .article-body {
        padding: 0 24px 80px;
    }
}

/* ============================================
   LANDING PAGES — Industry Pages
   Reuses homepage components: .hero, .problem-card,
   .process-step, .final-cta, .faq-item, .reveal
   ============================================ */

/* Solutions grid — accent left border variant of problem-card */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.solution-card {
    padding: 36px;
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: 20px;
    background: var(--bg-card);
    transition: border-color 0.4s var(--ease-out-quart), background 0.4s var(--ease-out-quart), transform 0.4s var(--ease-out-quart), box-shadow 0.4s var(--ease-out-quart);
}

.solution-card:hover {
    border-color: rgba(79, 143, 255, 0.15);
    border-left-color: var(--accent);
    background: var(--bg-card-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.25), 0 0 0 1px rgba(79, 143, 255, 0.06);
}

[data-theme="light"] .solution-card {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .solution-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.solution-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: -0.2px;
}

.solution-card p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.65;
}

/* Tools table */
.landing-tools {
    padding: 100px 0;
    border-bottom: 1px solid var(--border);
}

.landing-tools table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

.landing-tools th {
    text-align: left;
    font-weight: 600;
    padding: 14px 16px;
    border-bottom: 2px solid var(--border);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.landing-tools td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.landing-tools tr:last-child td {
    border-bottom: none;
}

.landing-tools .tool-cost {
    font-weight: 600;
    color: var(--accent);
    white-space: nowrap;
}

/* Solutions section spacing */
.landing-solutions {
    padding: 100px 0;
    border-bottom: 1px solid var(--border);
}

/* Case study callout */
.landing-case-study {
    padding: 100px 0;
    border-bottom: 1px solid var(--border);
}

.case-study {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: 20px;
    padding: 40px;
}

.case-study p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.case-study p:last-child {
    margin-bottom: 0;
}

.case-study .case-study-result {
    color: var(--text);
}

/* Related industry/article cards */
.landing-related {
    padding: 100px 0;
}

.landing-related .related-grid {
    grid-template-columns: repeat(2, 1fr);
}

.landing-related .related-card .related-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
}

/* Mobile responsive — landing-specific overrides */
@media (max-width: 768px) {
    .solutions-grid {
        grid-template-columns: 1fr;
    }

    .landing-related .related-grid {
        grid-template-columns: 1fr;
    }

    .landing-solutions,
    .landing-tools,
    .landing-case-study,
    .landing-related {
        padding: 60px 0;
    }
}