/* ============ DESIGN TOKENS ============ */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(1.75rem, 1.2rem + 2vw, 3rem);
  --text-3xl: clamp(2rem, 1rem + 3vw, 3.5rem);
  --text-hero: clamp(2.5rem, 0.5rem + 6vw, 6.5rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;

  --radius-sm: 0.5rem; --radius-md: 0.75rem; --radius-lg: 1rem;
  --radius-xl: 1.5rem; --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  --content-narrow: 640px; --content-default: 1080px; --content-wide: 1240px;
}

[data-theme='light'] {
  --color-bg: #f5f6f3;
  --color-surface: #ffffff;
  --color-surface-2: #fbfcfa;
  --color-surface-offset: #eef0eb;
  --color-surface-dynamic: #e6e9e2;
  --color-border: #e1e4dc;
  --color-divider: #e9ebe3;
  --color-text: #131715;
  --color-text-muted: #5a6360;
  --color-text-faint: #9aa399;
  --color-text-inverse: #f7faf6;
  --color-primary: #4fc0c7;
  --color-primary-hover: #3aa9b0;
  --color-primary-active: #2f9097;
  --color-primary-glow: #6fd6dd;
  --color-teal: #2f8f96;
  --color-teal-hover: #226f74;
  --color-ink: #0c100e;
  --color-hero-overlay: oklch(0.16 0.04 200 / 0.55);
  --shadow-sm: 0 1px 2px oklch(0.2 0.01 200 / 0.06);
  --shadow-md: 0 8px 24px oklch(0.2 0.02 200 / 0.1);
  --shadow-lg: 0 24px 60px oklch(0.2 0.02 200 / 0.16);
  --shadow-glow: 0 0 40px oklch(0.78 0.1 200 / 0.3);
}

[data-theme='dark'] {
  --color-bg: #0a0d0c;
  --color-surface: #101413;
  --color-surface-2: #151a18;
  --color-surface-offset: #131816;
  --color-surface-dynamic: #1d2421;
  --color-border: #252d28;
  --color-divider: #1b211d;
  --color-text: #e8ece7;
  --color-text-muted: #8a948d;
  --color-text-faint: #565f58;
  --color-text-inverse: #0a0d0c;
  --color-primary: #4fc0c7;
  --color-primary-hover: #6fd6dd;
  --color-primary-active: #3aa9b0;
  --color-primary-glow: #7fe0e7;
  --color-teal: #4fc0c7;
  --color-teal-hover: #3aa9b0;
  --color-ink: #060807;
  --color-hero-overlay: oklch(0.08 0.03 200 / 0.6);
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 24px 60px oklch(0 0 0 / 0.55);
  --shadow-glow: 0 0 60px oklch(0.78 0.12 200 / 0.4);
}

/* ============ BASE ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-text-size-adjust: none; text-size-adjust: none;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility; scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}
body {
  min-height: 100dvh; line-height: 1.6;
  font-family: var(--font-body); font-size: var(--text-base);
  color: var(--color-text); background-color: var(--color-bg);
  overflow-x: hidden;
}
img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.08; font-family: var(--font-display); }
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }
::selection { background: oklch(from var(--color-primary) l c h / 0.3); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
a, button, [role='button'] { transition: color var(--transition-interactive), background var(--transition-interactive), border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive); }
button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }

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

.container { width: 100%; max-width: var(--content-wide); margin-inline: auto; padding-inline: clamp(var(--space-5), 5vw, var(--space-12)); }

/* ============ SCROLL REVEAL ============ */
/* Base: visible by default for no-JS / reduced-motion */
.reveal { opacity: 1; }

/* Modern browsers with scroll-driven animations */
@supports (animation-timeline: view()) {
  .reveal:not(.is-visible) {
    opacity: 0; animation: reveal-up linear both;
    animation-timeline: view(); animation-range: entry 0% entry 80%;
  }
  .reveal-fade:not(.is-visible) { opacity: 0; animation: reveal-fade linear both; animation-timeline: view(); animation-range: entry 0% entry 80%; }
  .reveal-scale:not(.is-visible) { opacity: 0; animation: reveal-scale linear both; animation-timeline: view(); animation-range: entry 0% entry 80%; }
}

/* JS IntersectionObserver fallback (Firefox, Safari, older browsers) */
.reveal.js-reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
.reveal.js-reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-fade.js-reveal { opacity: 0; transition: opacity 0.8s var(--ease-out); }
.reveal-fade.js-reveal.is-visible { opacity: 1; }
.reveal-scale.js-reveal { opacity: 0; filter: blur(8px); transition: opacity 0.7s var(--ease-out), filter 0.7s var(--ease-out); }
.reveal-scale.js-reveal.is-visible { opacity: 1; filter: blur(0); }

@keyframes reveal-up { from { opacity: 0; clip-path: inset(0 0 100% 0); } to { opacity: 1; clip-path: inset(0 0 0 0); } }
@keyframes reveal-fade { to { opacity: 1; } }
@keyframes reveal-scale { from { opacity: 0; filter: blur(8px); } to { opacity: 1; filter: blur(0); } }

.stagger > * { animation-delay: calc(var(--i, 0) * 70ms); }
@supports (animation-timeline: view()) {
  .stagger > * { animation-delay: calc(var(--i, 0) * 80ms); }
}

/* Stagger children via JS (when JS adds .is-visible to parent) */
.stagger.js-reveal > * { opacity: 0; transform: translateY(24px); transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out); }
.stagger.js-reveal.is-visible > * { opacity: 1; transform: translateY(0); }
.stagger.js-reveal.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger.js-reveal.is-visible > *:nth-child(2) { transition-delay: 0.12s; }
.stagger.js-reveal.is-visible > *:nth-child(3) { transition-delay: 0.19s; }
.stagger.js-reveal.is-visible > *:nth-child(4) { transition-delay: 0.26s; }
.stagger.js-reveal.is-visible > *:nth-child(5) { transition-delay: 0.33s; }
.stagger.js-reveal.is-visible > *:nth-child(6) { transition-delay: 0.40s; }
.stagger.js-reveal.is-visible > *:nth-child(7) { transition-delay: 0.47s; }
.stagger.js-reveal.is-visible > *:nth-child(8) { transition-delay: 0.54s; }
.stagger.js-reveal.is-visible > *:nth-child(9) { transition-delay: 0.61s; }

/* ============ HEADER ============ */
.header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 78%, transparent);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: transform 0.4s var(--ease-out), border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.header--hidden { transform: translateY(-110%); }
.header--scrolled { border-bottom-color: var(--color-border); box-shadow: var(--shadow-sm); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); height: var(--space-20); }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); text-decoration: none; color: var(--color-text); }
.brand img { height: 48px; width: auto; display: block; }
@media (max-width: 768px) { .header .brand img { height: 34px; } }
.mobile-nav__top img { height: 24px; width: auto; }
.mobile-nav .brand img { height: 24px; }
.footer .brand img { height: 48px; }
.brand__mark { width: auto; height: 40px; flex-shrink: 0; border-radius: var(--radius-sm); overflow: hidden; display: block; background: #ffffff; padding: 3px; box-shadow: var(--shadow-sm); }
.brand__mark img { height: 100%; width: auto; display: block; }
.brand__name { display: none; }

.nav { display: flex; align-items: center; gap: var(--space-8); }
.nav__links { display: none; align-items: center; gap: var(--space-8); }
.nav__links a { font-size: var(--text-sm); color: var(--color-text-muted); text-decoration: none; font-weight: 500; position: relative; }
.nav__links a::after { content: ''; position: absolute; left: 0; bottom: -4px; width: 0; height: 2px; background: var(--color-primary); transition: width var(--transition-interactive); }
.nav__links a:hover { color: var(--color-text); }
.nav__links a:hover::after { width: 100%; }

.header__actions { display: flex; align-items: center; gap: var(--space-3); }
.theme-toggle { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: var(--radius-full); color: var(--color-text-muted); border: 1px solid var(--color-border); }
.theme-toggle:hover { color: var(--color-text); border-color: var(--color-text-faint); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); font-family: var(--font-body); font-weight: 500; font-size: var(--text-sm); padding: var(--space-3) var(--space-5); border-radius: var(--radius-full); text-decoration: none; border: 1px solid transparent; white-space: nowrap; }
.btn--primary { background: var(--color-primary); color: var(--color-ink); box-shadow: 0 0 0 0 var(--color-primary-glow); }
.btn--primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-glow); }
.btn--primary:active { transform: translateY(0); }
.btn--ghost { color: var(--color-text); border-color: var(--color-border); background: color-mix(in oklab, var(--color-surface) 50%, transparent); }
.btn--ghost:hover { border-color: var(--color-text-faint); transform: translateY(-1px); }
.btn--lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }

.menu-toggle { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: var(--radius-full); color: var(--color-text); border: 1px solid var(--color-border); }
@media (min-width: 880px) { .nav__links { display: flex; } .menu-toggle { display: none; } }

/* ============ HERO ============ */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero__bg::after { content: ''; position: absolute; inset: 0; background:
  linear-gradient(in oklab, var(--color-hero-overlay), transparent 40%, transparent 70%, var(--color-bg)),
  linear-gradient(90deg, var(--color-ink) 0%, transparent 70%); pointer-events: none; }
.hero__orbs { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(60px); opacity: 0.55; mix-blend-mode: screen; }
.orb--1 { width: 520px; height: 520px; right: -8%; top: 12%; background: radial-gradient(circle, var(--color-primary), transparent 65%); animation: drift1 18s var(--ease-in-out) infinite; }
.orb--2 { width: 420px; height: 420px; left: -6%; bottom: 4%; background: radial-gradient(circle, var(--color-teal), transparent 65%); animation: drift2 22s var(--ease-in-out) infinite; }
@keyframes drift1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-40px, 30px) scale(1.1); } }
@keyframes drift2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(50px, -40px) scale(1.08); } }

.hero__content { position: relative; z-index: 2; padding-block: var(--space-32); max-width: 820px; }
.hero__badge { display: inline-flex; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-4); border-radius: var(--radius-full); background: color-mix(in oklab, var(--color-surface) 60%, transparent); border: 1px solid var(--color-border); backdrop-filter: blur(8px); font-size: var(--text-xs); font-weight: 500; color: var(--color-text); margin-bottom: var(--space-6); }
.hero__badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary); box-shadow: 0 0 12px var(--color-primary-glow); animation: pulse 2s var(--ease-in-out) infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.85); } }
.hero__title { font-size: var(--text-hero); font-weight: 800; letter-spacing: -0.04em; line-height: 1.04; color: #f3f7f3; text-shadow: 0 2px 30px oklch(0 0 0 / 0.5); }
.hero__title em { font-style: normal; color: var(--color-primary); position: relative; white-space: nowrap; }
.hero__title em::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0.04em; height: 0.1em; background: var(--color-primary); border-radius: var(--radius-full); opacity: 0.28; z-index: -1; }
.hero__sub { margin-top: var(--space-6); font-size: var(--text-lg); color: oklch(0.92 0.01 150); max-width: 56ch; font-weight: 300; line-height: 1.5; }
.hero__cta { margin-top: var(--space-10); display: flex; flex-wrap: wrap; gap: var(--space-4); }
.hero__stats { margin-top: var(--space-16); display: flex; flex-wrap: nowrap; gap: clamp(var(--space-4), 3vw, var(--space-10)); padding: var(--space-5) clamp(var(--space-5), 3vw, var(--space-8)); border-radius: var(--radius-lg); background: color-mix(in oklab, var(--color-ink) 55%, transparent); backdrop-filter: blur(8px); border: 1px solid oklch(1 0 0 / 0.06); width: fit-content; max-width: 100%; }
.hero__stat { color: #e8ece7; flex: 1 1 0; min-width: 0; }
.hero__stat .num { font-family: var(--font-display); font-weight: 700; font-size: clamp(var(--text-lg), 2.2vw, var(--text-xl)); color: var(--color-primary); line-height: 1; text-shadow: 0 1px 12px oklch(0 0 0 / 0.4); white-space: nowrap; }
.hero__stat .label { font-size: clamp(0.6rem, 0.9vw, var(--text-xs)); color: oklch(0.86 0.01 150); margin-top: var(--space-2); text-transform: uppercase; letter-spacing: 0.06em; line-height: 1.3; }

.hero__scroll { position: absolute; bottom: var(--space-8); left: 50%; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: var(--space-2); color: oklch(0.8 0.01 150); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.12em; }
.hero__scroll .mouse { width: 22px; height: 36px; border: 1.5px solid oklch(0.8 0.01 150); border-radius: var(--radius-full); position: relative; }
.hero__scroll .mouse::after { content: ''; position: absolute; top: 7px; left: 50%; transform: translateX(-50%); width: 3px; height: 7px; background: var(--color-primary); border-radius: var(--radius-full); animation: scrollWheel 1.8s var(--ease-in-out) infinite; }
@keyframes scrollWheel { 0% { opacity: 0; transform: translate(-50%, -4px); } 40%,60% { opacity: 1; transform: translate(-50%, 6px); } 100% { opacity: 0; transform: translate(-50%, 10px); } }

/* ============ MARQUEE ============ */
.marquee { border-block: 1px solid var(--color-border); background: var(--color-surface-offset); overflow: hidden; padding-block: var(--space-5); }
.marquee__track { display: flex; gap: var(--space-12); align-items: center; white-space: nowrap; animation: marquee 28s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item { display: inline-flex; align-items: center; gap: var(--space-3); font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); color: var(--color-text-muted); }
.marquee__item .bolt { width: 14px; height: 14px; fill: var(--color-primary); }
.marquee__sep { width: 6px; height: 6px; border-radius: 50%; background: var(--color-text-faint); flex-shrink: 0; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============ SECTION SHELL ============ */
.section { padding-block: clamp(var(--space-16), 8vw, var(--space-32)); }
.section--offset { background: var(--color-surface-offset); }
.section__head { max-width: 720px; margin-bottom: var(--space-12); }
.section__head--center { margin-inline: auto; text-align: center; }
.eyebrow { display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.14em; color: var(--color-primary); margin-bottom: var(--space-4); }
.eyebrow::before { content: ''; width: 24px; height: 1.5px; background: var(--color-primary); }
.section__head--center .eyebrow::before { display: none; }
.section__title { font-size: var(--text-2xl); font-weight: 700; letter-spacing: -0.03em; }
.section__title em { font-style: normal; color: var(--color-primary); }
.section__lead { margin-top: var(--space-5); font-size: var(--text-lg); color: var(--color-text-muted); font-weight: 300; line-height: 1.6; }

/* ============ ABOUT ============ */
.about { display: grid; grid-template-columns: 1fr; gap: var(--space-16); align-items: center; }
@media (min-width: 900px) { .about { grid-template-columns: 1.05fr 0.95fr; } }
.about__media { position: relative; border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); }
.about__media img { width: 100%; aspect-ratio: 4/5; object-fit: cover; transition: transform 0.8s var(--ease-out); }
.about__media:hover img { transform: scale(1.04); }
.about__media::after { content: ''; position: absolute; inset: 0; border-radius: var(--radius-xl); box-shadow: inset 0 0 0 1px oklch(1 0 0 / 0.08); pointer-events: none; }
.about__float { position: absolute; left: var(--space-6); bottom: var(--space-6); background: color-mix(in oklab, var(--color-surface) 88%, transparent); backdrop-filter: blur(12px); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5) var(--space-6); box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: var(--space-4); }
.about__float .icon { width: 44px; height: 44px; flex-shrink: 0; }
.about__float .icon .fill { fill: var(--color-primary); }
.about__float .t { font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); line-height: 1.1; }
.about__float .s { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-1); }
.about__copy h2 { font-size: var(--text-2xl); font-weight: 700; letter-spacing: -0.03em; margin-bottom: var(--space-6); }
.about__copy p { color: var(--color-text-muted); margin-bottom: var(--space-5); font-size: var(--text-lg); font-weight: 300; line-height: 1.6; }
.about__copy p strong { color: var(--color-text); font-weight: 500; }
.about__chips { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.chip { display: inline-flex; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-4); border-radius: var(--radius-full); background: var(--color-surface); border: 1px solid var(--color-border); font-size: var(--text-sm); font-weight: 500; }
.chip svg { width: 14px; height: 14px; fill: var(--color-primary); }

/* ============ SERVICES ============ */
.services-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }
@media (min-width: 640px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }
.service-card { position: relative; display: flex; flex-direction: column; gap: var(--space-4); padding: var(--space-8); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; transition: transform var(--transition-interactive), border-color var(--transition-interactive), box-shadow var(--transition-interactive); }
.service-card::before { content: ''; position: absolute; inset: 0; border-radius: var(--radius-lg); background: radial-gradient(circle at var(--mx,50%) var(--my,0%), color-mix(in oklab, var(--color-primary) 14%, transparent), transparent 60%); opacity: 0; transition: opacity var(--transition-interactive); pointer-events: none; }
.service-card:hover { transform: translateY(-4px); border-color: color-mix(in oklab, var(--color-primary) 45%, var(--color-border)); box-shadow: var(--shadow-md); }
.service-card:hover::before { opacity: 1; }
.service-card__icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: var(--radius-md); background: color-mix(in oklab, var(--color-primary) 12%, transparent); }
.service-card__icon svg { width: 28px; height: 28px; fill: none; stroke: var(--color-primary); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { font-size: var(--text-lg); font-weight: 600; letter-spacing: -0.01em; }
.service-card p { color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.55; }
.service-card__num { position: absolute; top: var(--space-6); right: var(--space-6); font-family: var(--font-display); font-weight: 800; font-size: var(--text-xl); color: var(--color-surface-dynamic); line-height: 1; }
.service-card--feature { grid-column: span 1; }
@media (min-width: 1024px) { .service-card--feature { grid-column: span 1; } }

/* ============ PRODUCTS ============ */
.products-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
@media (min-width: 900px) { .products-grid { grid-template-columns: repeat(4, 1fr); } }
.product-card { display: flex; flex-direction: column; gap: var(--space-3); padding: var(--space-6); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); transition: transform var(--transition-interactive), border-color var(--transition-interactive); }
.product-card:hover { transform: translateY(-3px); border-color: color-mix(in oklab, var(--color-primary) 40%, var(--color-border)); }
.product-card__tag { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-primary); }
.product-card__name { font-family: var(--font-display); font-weight: 700; font-size: var(--text-xl); letter-spacing: -0.02em; }
.product-card__desc { font-size: var(--text-sm); color: var(--color-text-muted); }
.product-card__bar { margin-top: var(--space-3); height: 4px; border-radius: var(--radius-full); background: var(--color-surface-dynamic); overflow: hidden; }
.product-card__bar span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--color-teal), var(--color-primary)); border-radius: var(--radius-full); transition: width 0.9s var(--ease-out); }
.product-card.is-visible .product-card__bar span { width: 100%; }

/* ============ REBATE ============ */
.rebate { position: relative; border-radius: var(--radius-xl); overflow: hidden; background: var(--color-ink); color: #eef3ee; }
.rebate__bg { position: absolute; inset: 0; z-index: 0; }
.rebate__bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.32; }
.rebate__bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(110deg, var(--color-ink) 30%, transparent 75%); pointer-events: none; }
.rebate__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr; gap: var(--space-10); padding: clamp(var(--space-12), 5vw, var(--space-24)); align-items: center; }
@media (min-width: 900px) { .rebate__inner { grid-template-columns: 1.3fr 0.7fr; } }
.rebate .eyebrow { color: var(--color-primary-glow); }
.rebate .eyebrow::before { background: var(--color-primary-glow); }
.rebate h2 { font-size: var(--text-2xl); font-weight: 700; letter-spacing: -0.03em; color: #f5faf5; }
.rebate h2 em { font-style: normal; color: var(--color-primary); }
.rebate p { color: oklch(0.84 0.01 150); margin-top: var(--space-5); font-size: var(--text-lg); font-weight: 300; line-height: 1.6; }
.rebate__partner { margin-top: var(--space-8); display: flex; align-items: center; gap: var(--space-3); font-size: var(--text-sm); color: oklch(0.78 0.01 150); }
.rebate__partner strong { color: #f5faf5; font-weight: 500; }
.rebate__card { background: color-mix(in oklab, #0c100e 82%, transparent); backdrop-filter: blur(16px); border: 1px solid oklch(1 0 0 / 0.1); border-radius: var(--radius-lg); padding: var(--space-8); }
.rebate__card .big { font-family: var(--font-display); font-weight: 800; font-size: var(--text-2xl); color: var(--color-primary); line-height: 1; }
.rebate__card .big small { font-size: var(--text-lg); color: #cdd6cf; font-weight: 500; }
.rebate__card .lbl { margin-top: var(--space-3); color: #b8c2bb; font-size: var(--text-sm); line-height: 1.5; }
.rebate__card .btn { margin-top: var(--space-6); width: 100%; }

/* ============ CONTACT ============ */
.contact { display: grid; grid-template-columns: 1fr; gap: var(--space-12); align-items: start; }
@media (min-width: 900px) { .contact { grid-template-columns: 1fr 1fr; } }
.contact h2 { font-size: var(--text-2xl); font-weight: 700; letter-spacing: -0.03em; margin-bottom: var(--space-5); }
.contact p { color: var(--color-text-muted); font-size: var(--text-lg); font-weight: 300; line-height: 1.6; margin-bottom: var(--space-10); }
.contact__list { display: grid; gap: var(--space-4); }
.contact__list a { display: flex; align-items: center; gap: var(--space-4); text-decoration: none; color: var(--color-text); padding: var(--space-4); border-radius: var(--radius-md); border: 1px solid var(--color-border); background: var(--color-surface); }
.contact__list a:hover { border-color: color-mix(in oklab, var(--color-primary) 40%, var(--color-border)); transform: translateX(4px); }
.contact__list .ic { width: 40px; height: 40px; flex-shrink: 0; display: grid; place-items: center; border-radius: var(--radius-sm); background: color-mix(in oklab, var(--color-primary) 12%, transparent); }
.contact__list .ic svg { width: 20px; height: 20px; fill: none; stroke: var(--color-primary); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.contact__list .t { display: block; font-size: var(--text-xs); color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--space-1); }
.contact__list .v { display: block; font-weight: 500; font-size: var(--text-sm); }

.form { display: grid; gap: var(--space-4); padding: var(--space-8); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.form__row { display: grid; grid-template-columns: 1fr; gap: var(--space-4); }
@media (min-width: 560px) { .form__row { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: var(--space-2); }
.field label { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); }
.field input, .field textarea, .field select { padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); background: var(--color-surface-2); border: 1px solid var(--color-border); color: var(--color-text); font-family: var(--font-body); }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-primary) 18%, transparent); }
.field textarea { resize: vertical; min-height: 110px; }
.form .btn { margin-top: var(--space-2); }

/* ============ FOOTER ============ */
.footer { border-top: 1px solid var(--color-border); background: var(--color-surface-offset); padding-block: var(--space-20) var(--space-10); }
.footer__top { display: grid; grid-template-columns: 1fr; gap: var(--space-12); }
@media (min-width: 800px) { .footer__top { grid-template-columns: 1.6fr 1fr 1fr 1fr; } }
.footer__brand .brand__name { font-size: var(--text-xl); }
.footer__brand p { margin-top: var(--space-4); color: var(--color-text-muted); font-size: var(--text-sm); max-width: 38ch; }
.footer__col h4 { font-family: var(--font-body); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-text-faint); margin-bottom: var(--space-4); font-weight: 600; }
.footer__col ul { display: grid; gap: var(--space-3); }
.footer__col a { color: var(--color-text-muted); text-decoration: none; font-size: var(--text-sm); }
.footer__col a:hover { color: var(--color-primary); }
.footer__bottom { margin-top: var(--space-16); padding-top: var(--space-8); border-top: 1px solid var(--color-border); display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: space-between; align-items: center; font-size: var(--text-xs); color: var(--color-text-faint); }
.footer__tagline { font-family: var(--font-display); font-weight: 600; color: var(--color-text-muted); display: inline-flex; align-items: center; gap: var(--space-2); }
.footer__tagline svg { width: 14px; height: 14px; fill: var(--color-primary); }

/* ============ MOBILE NAV ============ */
.mobile-nav { position: fixed; inset: 0; z-index: 200; background: var(--color-bg); display: flex; flex-direction: column; padding: var(--space-8); transform: translateY(-100%); transition: transform 0.4s var(--ease-out); visibility: hidden; overflow: hidden; }
.mobile-nav[data-open='true'] { transform: translateY(0); visibility: visible; }
.mobile-nav__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-8); flex-shrink: 0; }
.mobile-nav__links { display: grid; gap: 0; overflow-y: auto; flex: 1 1 auto; -webkit-overflow-scrolling: touch; padding-bottom: var(--space-4); }
.mobile-nav__links a { font-family: var(--font-display); font-weight: 600; font-size: var(--text-xl); color: var(--color-text); text-decoration: none; padding: var(--space-3) 0; border-bottom: 1px solid var(--color-border); }
.mobile-nav__links a:hover { color: var(--color-primary); }
.mobile-nav .btn { margin-top: var(--space-6); flex-shrink: 0; }

/* ============ INTERIOR PAGE HERO ============ */
.page-hero { position: relative; padding-block: clamp(var(--space-20), 10vw, var(--space-32)) var(--space-16); overflow: hidden; background: var(--color-ink); }
.page-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 80% 20%, color-mix(in oklab, var(--color-primary) 18%, transparent), transparent 60%); pointer-events: none; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero__badge { display: inline-flex; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-4); border-radius: var(--radius-full); background: color-mix(in oklab, var(--color-surface) 20%, transparent); border: 1px solid oklch(1 0 0 / 0.1); font-size: var(--text-xs); font-weight: 500; color: var(--color-primary); margin-bottom: var(--space-6); }
.page-hero__badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary); box-shadow: 0 0 12px var(--color-primary-glow); }
.page-hero__title { font-size: var(--text-3xl); font-weight: 800; letter-spacing: -0.04em; line-height: 1.04; color: #f3f7f3; max-width: 18ch; }
.page-hero__title em { font-style: normal; color: var(--color-primary); }
.page-hero__sub { margin-top: var(--space-6); font-size: var(--text-lg); color: oklch(0.84 0.01 150); max-width: 60ch; font-weight: 300; line-height: 1.5; }
.page-hero__cta { margin-top: var(--space-10); display: flex; flex-wrap: wrap; gap: var(--space-4); }

/* ============ BREADCRUMB ============ */
.breadcrumb { padding-block: var(--space-4) 0; }
.breadcrumb ol { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); color: var(--color-text-faint); }
.breadcrumb a { color: var(--color-text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { opacity: 0.5; }

/* ============ PROSE / CONTENT BLOCK ============ */
.prose { max-width: 72ch; }
.prose h2 { font-size: var(--text-2xl); font-weight: 700; letter-spacing: -0.03em; margin-top: var(--space-16); margin-bottom: var(--space-5); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: var(--text-xl); font-weight: 600; margin-top: var(--space-10); margin-bottom: var(--space-4); }
.prose p { color: var(--color-text); font-size: var(--text-lg); font-weight: 300; line-height: 1.7; margin-bottom: var(--space-5); opacity: 0.85; }
.prose p strong { color: var(--color-text); font-weight: 500; }
.prose ul { margin-bottom: var(--space-5); display: grid; gap: var(--space-3); }
.prose ul li { color: var(--color-text); font-size: var(--text-lg); font-weight: 300; line-height: 1.6; padding-left: var(--space-6); position: relative; opacity: 0.85; }
.prose ul li::before { content: ''; position: absolute; left: 0; top: 0.65em; width: 16px; height: 2px; background: var(--color-primary); border-radius: var(--radius-full); }

/* ============ PROCESS STEPS ============ */
.process-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }
@media (min-width: 768px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .process-grid { grid-template-columns: repeat(4, 1fr); } }
.process-step { display: flex; flex-direction: column; gap: var(--space-3); padding: var(--space-8); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); position: relative; }
.process-step__num { font-family: var(--font-display); font-weight: 800; font-size: var(--text-3xl); color: var(--color-surface-dynamic); line-height: 1; }
.process-step h3 { font-size: var(--text-lg); font-weight: 600; }
.process-step p { color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.55; }

/* ============ CERTIFICATION CARDS ============ */
.cert-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }
@media (min-width: 640px) { .cert-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .cert-grid { grid-template-columns: repeat(3, 1fr); } }
.cert-card { display: flex; flex-direction: column; gap: var(--space-4); padding: var(--space-8); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); transition: transform var(--transition-interactive), border-color var(--transition-interactive); }
.cert-card:hover { transform: translateY(-3px); border-color: color-mix(in oklab, var(--color-primary) 40%, var(--color-border)); }
.cert-card__icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: var(--radius-md); background: color-mix(in oklab, var(--color-primary) 12%, transparent); }
.cert-card__icon svg { width: 26px; height: 26px; fill: none; stroke: var(--color-primary); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.cert-card h3 { font-size: var(--text-lg); font-weight: 600; }
.cert-card p { color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.55; }
.cert-card__tag { display: inline-block; font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-primary); }

/* ============ FAQ ACCORDION ============ */
.faq-list { display: grid; gap: var(--space-4); max-width: 820px; }
.faq-item { border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); overflow: hidden; transition: border-color var(--transition-interactive); }
.faq-item[data-open="true"] { border-color: color-mix(in oklab, var(--color-primary) 40%, var(--color-border)); }
.faq-item__question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: var(--space-5) var(--space-6); text-align: left; font-family: var(--font-display); font-weight: 600; font-size: var(--text-base); color: var(--color-text); }
.faq-item__question:hover { color: var(--color-primary); }
.faq-item__icon { width: 24px; height: 24px; flex-shrink: 0; display: grid; place-items: center; transition: transform 0.3s var(--ease-out); }
.faq-item__icon svg { width: 20px; height: 20px; fill: none; stroke: var(--color-primary); stroke-width: 2; stroke-linecap: round; }
.faq-item[data-open="true"] .faq-item__icon { transform: rotate(45deg); }
.faq-item__answer { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease-out); }
.faq-item__answer-inner { padding: 0 var(--space-6) var(--space-5); color: var(--color-text-muted); font-size: var(--text-base); font-weight: 300; line-height: 1.6; }

/* ============ REVIEW CARDS ============ */
.reviews-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }
@media (min-width: 768px) { .reviews-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .reviews-grid { grid-template-columns: repeat(3, 1fr); } }
.review-card { display: flex; flex-direction: column; gap: var(--space-4); padding: var(--space-8); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.review-card__stars { display: flex; gap: 2px; }
.review-card__stars svg { width: 18px; height: 18px; fill: var(--color-primary); }
.review-card__text { color: var(--color-text); font-size: var(--text-base); font-weight: 300; line-height: 1.6; flex: 1; }
.review-card__author { display: flex; align-items: center; gap: var(--space-3); }
.review-card__avatar { width: 44px; height: 44px; border-radius: 50%; background: color-mix(in oklab, var(--color-primary) 15%, var(--color-surface-dynamic)); display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; font-size: var(--text-base); color: var(--color-primary); flex-shrink: 0; }
.review-card__name { font-weight: 600; font-size: var(--text-sm); }
.review-card__meta { font-size: var(--text-xs); color: var(--color-text-faint); }

/* ============ AREA CARDS ============ */
.area-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }
@media (min-width: 640px) { .area-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .area-grid { grid-template-columns: repeat(3, 1fr); } }
.area-card { display: flex; flex-direction: column; gap: var(--space-3); padding: var(--space-8); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); text-decoration: none; color: var(--color-text); transition: transform var(--transition-interactive), border-color var(--transition-interactive); }
.area-card:hover { transform: translateY(-3px); border-color: color-mix(in oklab, var(--color-primary) 40%, var(--color-border)); }
.area-card__icon { width: 40px; height: 40px; display: grid; place-items: center; border-radius: var(--radius-sm); background: color-mix(in oklab, var(--color-primary) 12%, transparent); }
.area-card__icon svg { width: 22px; height: 22px; fill: none; stroke: var(--color-primary); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.area-card h3 { font-size: var(--text-lg); font-weight: 600; }
.area-card p { color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.55; }

/* ============ CTA BANNER ============ */
.cta-banner { background: var(--color-ink); border-radius: var(--radius-xl); padding: clamp(var(--space-12), 5vw, var(--space-20)); text-align: center; overflow: hidden; position: relative; }
.cta-banner::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at center, color-mix(in oklab, var(--color-primary) 12%, transparent), transparent 70%); pointer-events: none; }
.cta-banner .container { position: relative; z-index: 1; }
.cta-banner h2 { font-size: var(--text-2xl); font-weight: 700; letter-spacing: -0.03em; color: #f5faf5; }
.cta-banner h2 em { font-style: normal; color: var(--color-primary); }
.cta-banner p { margin-top: var(--space-5); color: oklch(0.84 0.01 150); font-size: var(--text-lg); font-weight: 300; line-height: 1.5; max-width: 52ch; margin-inline: auto; }
.cta-banner .hero__cta { justify-content: center; }

/* ============ FEATURE LIST ============ */
.feature-list { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }
@media (min-width: 768px) { .feature-list { grid-template-columns: repeat(2, 1fr); } }
.feature-item { display: flex; gap: var(--space-4); padding: var(--space-6); border-radius: var(--radius-lg); background: var(--color-surface); border: 1px solid var(--color-border); }
.feature-item__icon { width: 44px; height: 44px; flex-shrink: 0; display: grid; place-items: center; border-radius: var(--radius-sm); background: color-mix(in oklab, var(--color-primary) 12%, transparent); }
.feature-item__icon svg { width: 24px; height: 24px; fill: none; stroke: var(--color-primary); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.feature-item h3 { font-size: var(--text-base); font-weight: 600; margin-bottom: var(--space-1); }
.feature-item p { color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.55; }

/* ============ TWO COLUMN LAYOUT ============ */
.two-col { display: grid; grid-template-columns: 1fr; gap: var(--space-12); align-items: start; }
@media (min-width: 900px) { .two-col { grid-template-columns: 1fr 1fr; } }

/* ============ STATS ROW ============ */
.stats-row { display: flex; flex-wrap: wrap; gap: clamp(var(--space-6), 4vw, var(--space-12)); }
.stats-row__item .num { font-family: var(--font-display); font-weight: 800; font-size: var(--text-3xl); color: var(--color-primary); line-height: 1; }
.stats-row__item .label { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-2); }

    /* ============ NAV DROPDOWN ============ */
    .nav__links li { position: relative; }
    .nav__links .has-dropdown > a .caret { display: inline-block; margin-left: 4px; transition: transform var(--transition-interactive); opacity: 0.6; }
    .nav__links .has-dropdown:hover > a .caret { transform: rotate(180deg); opacity: 1; }
    .nav__links .has-dropdown:hover > a { color: var(--color-text); }
    .nav__links .has-dropdown:hover > a::after { width: 0; }
    .dropdown { position: absolute; top: calc(100% + 8px); left: 50%; min-width: 220px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); padding: var(--space-2); display: grid; gap: 2px; opacity: 0; visibility: hidden; transform: translateX(-50%) translateY(-8px); transition: opacity var(--transition-interactive), visibility var(--transition-interactive), transform var(--transition-interactive); z-index: 110; }
    .nav__links .has-dropdown:hover .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
    .dropdown li { list-style: none; }
    .dropdown a { display: block; padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); font-size: var(--text-sm); color: var(--color-text-muted); text-decoration: none; font-weight: 500; position: static; }
    .dropdown a::after { display: none; }
    .dropdown a:hover { background: var(--color-surface-dynamic); color: var(--color-primary); transform: none; }

    /* Mobile nav sub-links */
    .mobile-nav__links .sub { font-size: var(--text-base); font-weight: 400; padding: var(--space-2) 0 var(--space-2) var(--space-8); color: var(--color-text-muted); border-bottom: 1px solid var(--color-divider); }
    .mobile-nav__links .sub:hover { color: var(--color-primary); }

    /* ============ ANIMATIONS & VISUAL ENHANCEMENTS ============ */

    /* --- Page hero two-column with visual panel --- */
    .page-hero__inner { display: grid; grid-template-columns: 1fr; gap: var(--space-12); align-items: center; }
    @media (min-width: 900px) { .page-hero__inner { grid-template-columns: 1.1fr 0.9fr; } }
    .page-hero__content { position: relative; z-index: 2; }
    .page-hero__visual { position: relative; z-index: 1; }
    .page-hero__visual img { width: 100%; height: auto; border-radius: var(--radius-xl); box-shadow: 0 20px 60px -20px rgba(0,0,0,0.5); opacity: 0; transform: scale(0.96) translateY(20px); animation: hero-img-in 1s var(--ease-out) 0.3s forwards; }
    @keyframes hero-img-in { to { opacity: 1; transform: scale(1) translateY(0); } }

    /* Floating badge over hero image */
    .page-hero__visual .floating-badge { position: absolute; bottom: -16px; left: -16px; z-index: 3; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-4) var(--space-6); box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: var(--space-3); opacity: 0; transform: translateY(10px); animation: badge-in 0.6s var(--ease-out) 1.2s forwards; }
    @keyframes badge-in { to { opacity: 1; transform: translateY(0); } }
    .floating-badge__icon { width: 36px; height: 36px; border-radius: var(--radius-sm); background: color-mix(in oklab, var(--color-primary) 15%, transparent); display: grid; place-items: center; }
    .floating-badge__icon svg { width: 20px; height: 20px; fill: none; stroke: var(--color-primary); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
    .floating-badge__text { font-size: var(--text-sm); font-weight: 600; line-height: 1.3; }
    .floating-badge__text span { display: block; font-size: var(--text-xs); font-weight: 400; color: var(--color-text-muted); }

    /* Animated grid pattern for dark hero backgrounds */
    .page-hero::after { content: ''; position: absolute; inset: 0; background-image: linear-gradient(color-mix(in oklab, var(--color-primary) 6%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in oklab, var(--color-primary) 6%, transparent) 1px, transparent 1px); background-size: 50px 50px; mask: radial-gradient(ellipse at 30% 70%, black, transparent 70%); -webkit-mask: radial-gradient(ellipse at 30% 70%, black, transparent 70%); opacity: 0.5; animation: grid-drift 20s linear infinite; pointer-events: none; }
    @keyframes grid-drift { from { background-position: 0 0; } to { background-position: 50px 50px; } }

    /* --- Charge line animation on cards --- */
    .cert-card, .area-card, .review-card, .feature-item, .process-step { position: relative; overflow: hidden; }
    .cert-card::before, .area-card::before, .review-card::before, .feature-item::before, .process-step::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--color-primary), transparent); transform: translateX(-100%); transition: transform 0.6s var(--ease-out); }
    .cert-card:hover::before, .area-card:hover::before, .review-card:hover::before, .feature-item:hover::before, .process-step:hover::before { transform: translateX(100%); }

    /* --- Card glow on hover --- */
    .cert-card:hover, .area-card:hover, .review-card:hover, .feature-item:hover { box-shadow: 0 8px 30px -12px color-mix(in oklab, var(--color-primary) 25%, transparent); }

    /* --- Staggered reveal for card grids (JS-triggered on scroll) --- */
    .cert-grid.js-reveal .cert-card, .reviews-grid.js-reveal .review-card, .area-grid.js-reveal .area-card, .feature-list.js-reveal .feature-item, .process-grid.js-reveal .process-step { opacity: 0; transform: translateY(24px); transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out); }
    .cert-grid.js-reveal.is-visible .cert-card, .reviews-grid.js-reveal.is-visible .review-card, .area-grid.js-reveal.is-visible .area-card, .feature-list.js-reveal.is-visible .feature-item, .process-grid.js-reveal.is-visible .process-step { opacity: 1; transform: translateY(0); }
    .cert-grid.js-reveal.is-visible .cert-card:nth-child(1), .reviews-grid.js-reveal.is-visible .review-card:nth-child(1), .area-grid.js-reveal.is-visible .area-card:nth-child(1), .feature-list.js-reveal.is-visible .feature-item:nth-child(1), .process-grid.js-reveal.is-visible .process-step:nth-child(1) { transition-delay: 0.05s; }
    .cert-grid.js-reveal.is-visible .cert-card:nth-child(2), .reviews-grid.js-reveal.is-visible .review-card:nth-child(2), .area-grid.js-reveal.is-visible .area-card:nth-child(2), .feature-list.js-reveal.is-visible .feature-item:nth-child(2), .process-grid.js-reveal.is-visible .process-step:nth-child(2) { transition-delay: 0.12s; }
    .cert-grid.js-reveal.is-visible .cert-card:nth-child(3), .reviews-grid.js-reveal.is-visible .review-card:nth-child(3), .area-grid.js-reveal.is-visible .area-card:nth-child(3), .feature-list.js-reveal.is-visible .feature-item:nth-child(3), .process-grid.js-reveal.is-visible .process-step:nth-child(3) { transition-delay: 0.19s; }
    .cert-grid.js-reveal.is-visible .cert-card:nth-child(4), .reviews-grid.js-reveal.is-visible .review-card:nth-child(4), .area-grid.js-reveal.is-visible .area-card:nth-child(4), .feature-list.js-reveal.is-visible .feature-item:nth-child(4), .process-grid.js-reveal.is-visible .process-step:nth-child(4) { transition-delay: 0.26s; }
    .cert-grid.js-reveal.is-visible .cert-card:nth-child(5), .reviews-grid.js-reveal.is-visible .review-card:nth-child(5), .area-grid.js-reveal.is-visible .area-card:nth-child(5), .feature-list.js-reveal.is-visible .feature-item:nth-child(5), .process-grid.js-reveal.is-visible .process-step:nth-child(5) { transition-delay: 0.33s; }
    .cert-grid.js-reveal.is-visible .cert-card:nth-child(6), .reviews-grid.js-reveal.is-visible .review-card:nth-child(6), .area-grid.js-reveal.is-visible .area-card:nth-child(6), .feature-list.js-reveal.is-visible .feature-item:nth-child(6), .process-grid.js-reveal.is-visible .process-step:nth-child(6) { transition-delay: 0.40s; }
    .cert-grid.js-reveal.is-visible .cert-card:nth-child(7), .reviews-grid.js-reveal.is-visible .review-card:nth-child(7), .area-grid.js-reveal.is-visible .area-card:nth-child(7), .feature-list.js-reveal.is-visible .feature-item:nth-child(7), .process-grid.js-reveal.is-visible .process-step:nth-child(7) { transition-delay: 0.47s; }
    .cert-grid.js-reveal.is-visible .cert-card:nth-child(8), .reviews-grid.js-reveal.is-visible .review-card:nth-child(8), .area-grid.js-reveal.is-visible .area-card:nth-child(8), .feature-list.js-reveal.is-visible .feature-item:nth-child(8), .process-grid.js-reveal.is-visible .process-step:nth-child(8) { transition-delay: 0.54s; }
    .cert-grid.js-reveal.is-visible .cert-card:nth-child(9), .reviews-grid.js-reveal.is-visible .review-card:nth-child(9), .area-grid.js-reveal.is-visible .area-card:nth-child(9), .feature-list.js-reveal.is-visible .feature-item:nth-child(9), .process-grid.js-reveal.is-visible .process-step:nth-child(9) { transition-delay: 0.61s; }

    /* --- Star pop-in animation for review cards (JS-triggered) --- */
    .reviews-grid.js-reveal.is-visible .review-card__stars svg { opacity: 0; transform: scale(0); animation: star-pop 0.4s var(--ease-out) forwards; }
    .reviews-grid.js-reveal.is-visible .review-card:nth-child(1) .review-card__stars svg:nth-child(1) { animation-delay: 0.3s; }
    .reviews-grid.js-reveal.is-visible .review-card:nth-child(1) .review-card__stars svg:nth-child(2) { animation-delay: 0.36s; }
    .reviews-grid.js-reveal.is-visible .review-card:nth-child(1) .review-card__stars svg:nth-child(3) { animation-delay: 0.42s; }
    .reviews-grid.js-reveal.is-visible .review-card:nth-child(1) .review-card__stars svg:nth-child(4) { animation-delay: 0.48s; }
    .reviews-grid.js-reveal.is-visible .review-card:nth-child(1) .review-card__stars svg:nth-child(5) { animation-delay: 0.54s; }
    @keyframes star-pop { to { opacity: 1; transform: scale(1); } }

    /* --- Pulsing dot for badge --- */
    .page-hero__badge .dot { animation: pulse-dot 2s ease-in-out infinite; }
    @keyframes pulse-dot { 0%, 100% { box-shadow: 0 0 12px var(--color-primary-glow); } 50% { box-shadow: 0 0 20px var(--color-primary-glow), 0 0 40px color-mix(in oklab, var(--color-primary) 30%, transparent); } }

    /* --- Section heading reveal enhancement (JS-triggered) --- */
    .section__head.js-reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
    .section__head.js-reveal.is-visible { opacity: 1; transform: translateY(0); }

    /* --- CTA banner glow pulse --- */
    .cta-banner::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 100%, color-mix(in oklab, var(--color-primary) 15%, transparent), transparent 60%); animation: cta-glow 4s ease-in-out infinite; pointer-events: none; }
    @keyframes cta-glow { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

    /* --- FAQ icon rotation enhancement --- */
    .faq-item__icon { transition: transform 0.3s var(--ease-out), background 0.3s var(--ease-out); }
    .faq-item[data-open="true"] .faq-item__icon { background: color-mix(in oklab, var(--color-primary) 12%, transparent); border-radius: var(--radius-sm); }

    /* --- Process step number glow --- */
    .process-step__num { transition: color 0.3s var(--ease-out); }
    .process-step:hover .process-step__num { color: var(--color-primary); }

    /* --- Two-col image hover & reveal --- */
    .two-col img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); transition: transform 0.8s var(--ease-out), box-shadow 0.4s var(--ease-out); }
    .two-col img:hover { transform: scale(1.02); }
    .two-col.js-reveal img { opacity: 0; transform: translateY(30px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
    .two-col.js-reveal.is-visible img { opacity: 1; transform: translateY(0); }
    .two-col.js-reveal.is-visible > *:nth-child(2) img { transition-delay: 0.15s; }

    /* --- Project entry styling --- */
    .project-entry { display: grid; grid-template-columns: 1fr; gap: var(--space-10); align-items: center; margin-bottom: var(--space-20); }
    @media (min-width: 900px) { .project-entry { grid-template-columns: 1fr 1fr; } }
    .project-entry__image { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); position: relative; }
    .project-entry__image img { width: 100%; height: auto; transition: transform 0.8s var(--ease-out); }
    .project-entry__image:hover img { transform: scale(1.03); }
    .project-entry__content h3 { font-size: var(--text-xl); font-weight: 700; margin-top: var(--space-3); margin-bottom: var(--space-4); }
    .project-entry__content p { color: var(--color-text); font-size: var(--text-base); font-weight: 300; line-height: 1.6; margin-bottom: var(--space-2); opacity: 0.85; }
    .project-entry__content p strong { color: var(--color-text); font-weight: 500; }
    .project-entry__tag { display: inline-block; font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-primary); background: color-mix(in oklab, var(--color-primary) 10%, transparent); padding: var(--space-1) var(--space-3); border-radius: var(--radius-full); margin-bottom: var(--space-2); }
    /* JS reveal for project entries */
    .project-entry.js-reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
    .project-entry.js-reveal.is-visible { opacity: 1; transform: translateY(0); }
    .project-entry.js-reveal .project-entry__image { opacity: 0; transform: translateY(20px); transition: opacity 0.8s var(--ease-out) 0.1s, transform 0.8s var(--ease-out) 0.1s; }
    .project-entry.js-reveal.is-visible .project-entry__image { opacity: 1; transform: translateY(0); }

    /* --- Video container styling --- */
    .video-wrap { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); position: relative; }
    .video-wrap video { width: 100%; height: auto; display: block; }
    .video-wrap::after { content: ''; position: absolute; inset: 0; border-radius: var(--radius-xl); box-shadow: inset 0 0 0 1px oklch(1 0 0 / 0.08); pointer-events: none; }

    /* --- Reduced motion --- */
    @media (prefers-reduced-motion: reduce) {
      .page-hero__visual img, .page-hero__visual .floating-badge, .cert-card, .area-card, .review-card, .feature-item, .process-step, .review-card__stars svg, .page-hero__badge .dot, .cta-banner::after, .page-hero::after, .two-col img, .project-entry, .project-entry__image { animation: none !important; opacity: 1 !important; transform: none !important; }
      .js-reveal, .js-reveal * { opacity: 1 !important; transform: none !important; }
    }

    /* --- Process timeline --- */
    .process-timeline { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--space-6); }
    .process-step { display: flex; gap: var(--space-6); align-items: flex-start; padding: var(--space-8); border-radius: var(--radius-lg); background: var(--color-surface); border: 1px solid var(--color-border); transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out); }
    .process-step:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
    .process-step__number { flex-shrink: 0; width: 56px; height: 56px; border-radius: 50%; background: color-mix(in oklab, var(--color-primary) 12%, transparent); color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 800; font-size: var(--text-lg); letter-spacing: -0.02em; }
    .process-step__content h3 { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; margin-bottom: var(--space-2); }
    .process-step__content p { color: var(--color-text-muted); line-height: 1.6; }
    @media (max-width: 768px) {
      .process-step { padding: var(--space-5); gap: var(--space-4); }
      .process-step__number { width: 44px; height: 44px; font-size: var(--text-base); }
      .process-step__content h3 { font-size: var(--text-lg); }
    }

    /* --- Back to top button --- */
    #backToTop {
      position: fixed;
      bottom: 1.5rem;
      right: 1.5rem;
      z-index: 90;
      width: 48px;
      height: 48px;
      border-radius: 50%;
      border: none;
      background: var(--color-primary);
      color: #fff;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px -4px color-mix(in oklab, var(--color-primary) 50%, transparent);
      opacity: 0;
      transform: translateY(20px) scale(0.8);
      pointer-events: none;
      transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out), background 0.2s var(--ease-out);
    }
    #backToTop[data-visible="true"] { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
    #backToTop:hover { background: var(--color-primary-hover); }
    #backToTop svg { width: 20px; height: 20px; }
    @media (max-width: 768px) { #backToTop { bottom: 1rem; right: 1rem; width: 42px; height: 42px; } }