:root {
  color-scheme: light;
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-2: #eef2ff;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --primary: #6d5dfb;
  --primary-dark: #5145cd;
  --teal: #14b8a6;
  --amber: #f59e0b;
  --danger: #ef4444;
  --success: #16a34a;
  --shadow: 0 24px 80px rgba(15, 23, 42, .12);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: 1180px;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #08111f;
  --surface: #0f1b2d;
  --surface-2: #111f35;
  --text: #e5edf8;
  --muted: #9fb0c5;
  --line: #243449;
  --primary: #8b7cff;
  --primary-dark: #a89cff;
  --teal: #2dd4bf;
  --amber: #fbbf24;
  --shadow: 0 24px 80px rgba(0, 0, 0, .38);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(109, 93, 251, .14), transparent 34rem),
    radial-gradient(circle at 85% 12%, rgba(20, 184, 166, .12), transparent 28rem),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
::selection { background: rgba(109, 93, 251, .25); }

.container { width: min(var(--container), calc(100% - 2rem)); margin-inline: auto; }
.section { padding: 6rem 0; }
.section-alt { background: linear-gradient(180deg, rgba(109, 93, 251, .06), rgba(20, 184, 166, .06)); }
.section-head { max-width: 720px; margin-bottom: 2rem; }
.section-head h2, .section-copy h2 { margin: .2rem 0 1rem; font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.08; letter-spacing: -.045em; }
.section-head p, .section-copy p { color: var(--muted); font-size: 1.05rem; }
.eyebrow { margin: 0 0 .8rem; color: var(--primary); text-transform: uppercase; letter-spacing: .16em; font-size: .76rem; font-weight: 800; }
.lead { font-size: 1.18rem; color: var(--muted); max-width: 720px; }

.skip-link, .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link:focus {
  width: auto;
  height: auto;
  margin: 0;
  clip: auto;
  top: 1rem;
  left: 1rem;
  z-index: 999;
  background: var(--surface);
  padding: .8rem 1rem;
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: 0 10px 35px rgba(15, 23, 42, .06); }
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; font-weight: 900; font-size: 1.18rem; letter-spacing: -.03em; }
.brand img { filter: drop-shadow(0 12px 18px rgba(109, 93, 251, .25)); }
.nav-menu { display: flex; align-items: center; gap: .25rem; }
.nav-menu a, .theme-toggle {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: .7rem .82rem;
  border-radius: 999px;
  font-weight: 700;
  transition: .2s ease;
}
.nav-menu a:hover, .nav-menu a.active, .theme-toggle:hover { color: var(--text); background: color-mix(in srgb, var(--primary) 10%, transparent); }
.nav-toggle { display: none; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: .7rem; width: 48px; height: 48px; }
.nav-toggle span:not(.sr-only) { display: block; height: 2px; background: var(--text); margin: 5px 0; border-radius: 99px; transition: .2s; }

.hero { padding-top: 5rem; min-height: calc(100vh - 76px); display: grid; align-items: center; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 4rem; }
.hero h1 { font-size: clamp(2.6rem, 6vw, 5.6rem); line-height: .94; letter-spacing: -.075em; margin: 0 0 1.2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin: 2rem 0 1.4rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 46px;
  border-radius: 999px;
  padding: .85rem 1.2rem;
  border: 1px solid transparent;
  font-weight: 850;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: white; background: linear-gradient(135deg, var(--primary), var(--teal)); box-shadow: 0 16px 40px rgba(109, 93, 251, .28); }
.btn-outline { color: var(--text); border-color: var(--line); background: color-mix(in srgb, var(--surface) 86%, transparent); }
.trust-row { display: flex; flex-wrap: wrap; gap: .6rem; }
.trust-row span, .skill-tags span, .tech-tag {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  color: var(--muted);
  border-radius: 999px;
  padding: .45rem .72rem;
  font-size: .86rem;
  font-weight: 750;
}
.hero-card {
  position: relative;
  border: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 92%, transparent), color-mix(in srgb, var(--surface-2) 70%, transparent));
  border-radius: var(--radius-xl);
  padding: 1rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto auto;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(20, 184, 166, .3), transparent 65%);
  pointer-events: none;
}
.browser-bar { display: flex; gap: .5rem; padding: .75rem; }
.browser-bar span { width: 12px; height: 12px; border-radius: 50%; background: var(--line); }
.browser-bar span:nth-child(1) { background: #fb7185; }
.browser-bar span:nth-child(2) { background: #fbbf24; }
.browser-bar span:nth-child(3) { background: #34d399; }
.dashboard-preview { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; padding: 1rem; }
.metric { min-height: 130px; border-radius: 22px; padding: 1.3rem; background: var(--surface); border: 1px solid var(--line); }
.metric strong { display: block; font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -.06em; }
.metric small { color: var(--muted); font-weight: 700; }
.timeline-mini { grid-column: 1 / -1; background: linear-gradient(135deg, rgba(109, 93, 251, .12), rgba(20, 184, 166, .12)); border: 1px solid var(--line); border-radius: 22px; padding: 1.2rem; }
.timeline-mini p { margin: .55rem 0; color: var(--muted); }
.timeline-mini b { display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; color: white; background: var(--primary); border-radius: 50%; margin-right: .5rem; }

.stats-strip { padding: 1.5rem 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.stats-grid div { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 1.2rem; box-shadow: 0 12px 35px rgba(15,23,42,.05); }
.stats-grid strong { display: block; font-size: 2rem; letter-spacing: -.04em; }
.stats-grid span { color: var(--muted); font-weight: 700; }

.split-grid, .request-grid, .contact-grid, .process-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.mission-card, .notice-card, .form-card, .table-wrap, .project-modal, .testimonial-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: 0 18px 55px rgba(15, 23, 42, .08);
}
.mission-card { padding: 2rem; }
.mission-card h3 { margin-top: 0; font-size: 1.6rem; }
.check-list { list-style: none; padding: 0; margin: 1.4rem 0 0; }
.check-list li { position: relative; padding-left: 2rem; margin: .9rem 0; color: var(--muted); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--teal); font-weight: 900; }
.skill-tags { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.4rem; }

.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin: 2rem 0; flex-wrap: wrap; }
.search-box { flex: 1 1 260px; }
.search-box input, label input, label select, label textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 16px;
  padding: .92rem 1rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.search-box input:focus, label input:focus, label select:focus, label textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 16%, transparent); }
.filter-buttons { display: flex; flex-wrap: wrap; gap: .5rem; }
.filter-buttons button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  border-radius: 999px;
  padding: .7rem 1rem;
  font-weight: 800;
}
.filter-buttons button.active, .filter-buttons button:hover { color: white; border-color: transparent; background: linear-gradient(135deg, var(--primary), var(--teal)); }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.service-card, .project-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 15px 45px rgba(15, 23, 42, .06);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.service-card:hover, .project-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--primary) 35%, var(--line)); }
.service-card { padding: 1.4rem; }
.service-card .icon { width: 54px; height: 54px; border-radius: 18px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(109,93,251,.15), rgba(20,184,166,.15)); font-size: 1.55rem; }
.service-card h3, .project-card h3 { margin: 1rem 0 .5rem; font-size: 1.2rem; line-height: 1.25; }
.service-card p, .project-card p { color: var(--muted); }
.service-card ul { margin: 1rem 0 0; padding-left: 1.2rem; color: var(--muted); }
.project-media { aspect-ratio: 16/10; background: var(--surface-2); position: relative; overflow: hidden; }
.project-media img { width: 100%; height: 100%; object-fit: cover; }
.project-media .play-pill { position: absolute; right: 1rem; top: 1rem; background: rgba(15,23,42,.78); color: white; border-radius: 999px; padding: .35rem .7rem; font-size: .8rem; font-weight: 850; }
.project-body { padding: 1.25rem; }
.project-meta { display: flex; align-items: center; justify-content: space-between; gap: .5rem; color: var(--muted); font-size: .88rem; }
.tech-list { display: flex; flex-wrap: wrap; gap: .4rem; margin: 1rem 0; }
.tech-tag { padding: .32rem .58rem; font-size: .76rem; }
.card-actions { display: flex; gap: .6rem; flex-wrap: wrap; }
.small-btn {
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--text);
  padding: .58rem .82rem;
  border-radius: 999px;
  font-weight: 850;
}
.small-btn.primary { background: var(--primary); color: white; border-color: transparent; }

.process-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.process-list li { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 1.2rem; }
.process-list span { color: var(--primary); font-weight: 950; }
.process-list strong { display: block; font-size: 1.1rem; margin: .25rem 0; }
.process-list p { margin: 0; color: var(--muted); }

.testimonial-slider { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 1rem; align-items: center; }
.testimonial-card { min-height: 250px; padding: 2rem; }
.testimonial-card blockquote { margin: 0; font-size: clamp(1.2rem, 2vw, 1.7rem); line-height: 1.35; letter-spacing: -.025em; }
.testimonial-person { display: flex; align-items: center; gap: .9rem; margin-top: 1.5rem; }
.avatar { width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; color: white; background: linear-gradient(135deg, var(--primary), var(--teal)); font-weight: 900; }
.testimonial-person strong { display: block; }
.testimonial-person span { color: var(--muted); font-size: .92rem; }
.slider-btn { width: 46px; height: 46px; border: 1px solid var(--line); background: var(--surface); color: var(--text); border-radius: 50%; font-size: 1.8rem; box-shadow: 0 12px 34px rgba(15,23,42,.08); }
.testimonial-dots { display: flex; justify-content: center; gap: .5rem; margin-top: 1rem; }
.testimonial-dots button { width: 10px; height: 10px; border-radius: 50%; border: 0; background: var(--line); padding: 0; }
.testimonial-dots button.active { background: var(--primary); }

.notice-card { padding: 1rem; margin-top: 1.2rem; color: var(--muted); }
.form-card { padding: 1.4rem; display: grid; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
label { display: grid; gap: .45rem; color: var(--muted); font-weight: 800; }
textarea { resize: vertical; min-height: 150px; }
.form-actions { display: flex; gap: .7rem; flex-wrap: wrap; }
.form-status { min-height: 1.5rem; margin: 0; font-weight: 750; }
.form-status.success { color: var(--success); }
.form-status.error { color: var(--danger); }
.table-wrap { overflow-x: auto; }
.request-table { width: 100%; border-collapse: collapse; min-width: 760px; }
.request-table th, .request-table td { text-align: left; padding: 1rem; border-bottom: 1px solid var(--line); }
.request-table th { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; }
.badge { display: inline-flex; border-radius: 999px; padding: .32rem .62rem; background: rgba(109,93,251,.13); color: var(--primary); font-weight: 850; font-size: .82rem; }

.contact-list, .social-links { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1.2rem 0; }
.contact-list a, .contact-list span, .social-links a { border: 1px solid var(--line); border-radius: 999px; padding: .65rem .85rem; background: var(--surface); color: var(--muted); font-weight: 750; }
.social-links a:hover { color: var(--primary); }

.site-footer { padding: 4rem 0 1.5rem; background: #07101e; color: #e5edf8; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 2rem; }
.footer-grid h3 { margin: 0 0 .8rem; }
.footer-grid p, .footer-grid a { color: #9fb0c5; }
.footer-grid a { display: block; margin: .4rem 0; }
.footer-brand { color: white; margin-bottom: 1rem; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.12); margin-top: 2rem; padding-top: 1.2rem; color: #9fb0c5; }
.back-top { border: 1px solid rgba(255,255,255,.2); color: white; background: transparent; border-radius: 999px; padding: .6rem .8rem; }

.project-modal { width: min(920px, calc(100% - 2rem)); border: 0; padding: 0; color: var(--text); background: var(--surface); }
.project-modal::backdrop { background: rgba(2, 6, 23, .68); backdrop-filter: blur(5px); }
.modal-close { position: absolute; z-index: 2; right: 1rem; top: 1rem; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: var(--surface); color: var(--text); font-size: 1.4rem; }
.modal-inner { padding: 1.6rem; }
.modal-inner .project-media { border-radius: 22px; margin-bottom: 1.2rem; }
.modal-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.modal-columns h4 { margin-bottom: .4rem; }
.modal-columns ul { margin-top: .2rem; color: var(--muted); }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .nav-toggle { display: block; }
  .nav-menu {
    position: fixed;
    inset: 76px 1rem auto 1rem;
    display: grid;
    gap: .25rem;
    padding: 1rem;
    border: 1px solid var(--line);
    background: var(--surface);
    border-radius: 22px;
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: .2s;
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-menu a, .theme-toggle { text-align: left; width: 100%; }
  .hero-grid, .split-grid, .request-grid, .contact-grid, .process-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .section { padding: 4rem 0; }
  .hero { padding-top: 3rem; }
  .card-grid, .dashboard-preview, .form-row, .modal-columns, .stats-grid, .footer-grid { grid-template-columns: 1fr; }
  .testimonial-slider { grid-template-columns: 1fr; }
  .slider-btn { display: none; }
  .footer-bottom { flex-direction: column; gap: 1rem; align-items: flex-start; }
  .hero-actions .btn { width: 100%; }
  .toolbar { align-items: stretch; }
  .filter-buttons button { flex: 1 1 auto; }
}

/* Added: horizontal video showcase */
.video-toolbar {
  display: flex;
  justify-content: flex-end;
  gap: .7rem;
  margin: -1rem 0 1rem;
}
.video-scroll {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(310px, 42%);
  gap: 1.2rem;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: inline mandatory;
  padding: .5rem .2rem 1.2rem;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) transparent;
}
.video-scroll::-webkit-scrollbar { height: 10px; }
.video-scroll::-webkit-scrollbar-track { background: transparent; }
.video-scroll::-webkit-scrollbar-thumb { background: linear-gradient(135deg, var(--primary), var(--teal)); border-radius: 999px; }
.video-card {
  scroll-snap-align: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 18px 55px rgba(15, 23, 42, .08);
}
.video-frame {
  aspect-ratio: 16 / 9;
  background: #020617;
  padding: .8rem;
}
.video-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 22px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: .45rem;
  text-align: center;
  color: white;
  background:
    radial-gradient(circle at 25% 20%, rgba(255,255,255,.28), transparent 10rem),
    linear-gradient(135deg, #6d5dfb, #111827 62%);
}
.video-placeholder.teal { background: radial-gradient(circle at 80% 20%, rgba(255,255,255,.25), transparent 10rem), linear-gradient(135deg, #14b8a6, #0f172a 62%); }
.video-placeholder.amber { background: radial-gradient(circle at 20% 80%, rgba(255,255,255,.26), transparent 10rem), linear-gradient(135deg, #f59e0b, #111827 62%); }
.video-placeholder.purple { background: radial-gradient(circle at 70% 30%, rgba(255,255,255,.24), transparent 10rem), linear-gradient(135deg, #8b5cf6, #020617 62%); }
.play-icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,.2);
  border: 1px solid rgba(255,255,255,.35);
  backdrop-filter: blur(10px);
  font-size: 1.6rem;
  padding-left: .2rem;
}
.video-placeholder strong { font-size: 1.2rem; }
.video-placeholder small { color: rgba(255,255,255,.74); }
.video-copy { padding: 1.25rem; }
.video-copy span { color: var(--primary); font-size: .8rem; font-weight: 900; text-transform: uppercase; letter-spacing: .12em; }
.video-copy h3 { margin: .45rem 0 .5rem; line-height: 1.2; }
.video-copy p { margin: 0; color: var(--muted); }

/* Added: recommendation paper display */
.recommendation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
  align-items: stretch;
}
.recommendation-paper {
  position: relative;
  min-height: 580px;
  padding: 2rem;
  background:
    linear-gradient(90deg, rgba(109,93,251,.08) 0 10px, transparent 10px),
    linear-gradient(180deg, #fffdf7, #ffffff);
  color: #1f2937;
  border: 1px solid #eadfca;
  border-radius: 18px;
  box-shadow: 0 24px 70px rgba(15, 23, 42, .14);
  overflow: hidden;
}
.recommendation-paper::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(109, 93, 251, .16);
  border-radius: 12px;
  pointer-events: none;
}
.recommendation-paper::after {
  content: "MdPaths";
  position: absolute;
  right: -1rem;
  bottom: 3rem;
  font-size: 5rem;
  font-weight: 950;
  color: rgba(109, 93, 251, .06);
  transform: rotate(-14deg);
  pointer-events: none;
}
.paper-top {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #eadfca;
  position: relative;
  z-index: 1;
}
.paper-top strong { display: block; font-size: 1.08rem; }
.paper-top span, .paper-date { color: #64748b; font-size: .9rem; }
.paper-date { margin: 1.4rem 0 .7rem; }
.recommendation-paper h3 {
  margin: 0 0 1rem;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.55rem;
  line-height: 1.25;
}
.recommendation-paper p {
  position: relative;
  z-index: 1;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.03rem;
  line-height: 1.78;
}
.signature-row {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid #eadfca;
}
.signature-row strong { display: block; font-family: Georgia, 'Times New Roman', serif; }
.signature-row span { color: #64748b; font-size: .9rem; }
.paper-stamp {
  width: 116px;
  height: 116px;
  border: 3px solid #16a34a;
  border-radius: 50%;
  color: #16a34a;
  display: grid;
  place-items: center;
  text-align: center;
  text-transform: uppercase;
  font-size: .78rem;
  font-weight: 950;
  transform: rotate(-12deg);
}
.paper-stamp.blue { color: #2563eb; border-color: #2563eb; }
[data-theme="dark"] .recommendation-paper {
  background: linear-gradient(90deg, rgba(109,93,251,.11) 0 10px, transparent 10px), linear-gradient(180deg, #fffdf7, #ffffff);
  color: #1f2937;
}

@media (max-width: 980px) {
  .video-scroll { grid-auto-columns: minmax(290px, 70%); }
  .recommendation-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .video-toolbar { justify-content: flex-start; }
  .video-scroll { grid-auto-columns: 88%; }
  .recommendation-paper { padding: 1.4rem; min-height: auto; }
  .signature-row { flex-direction: column; align-items: flex-start; }
  .paper-stamp { width: 94px; height: 94px; }
}

/* Added: header dropdown for Videos / Recommendations / Testimonials / Request Quote */
.nav-dropdown {
  position: relative;
}
.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: .7rem .82rem;
  border-radius: 999px;
  font-weight: 700;
  transition: .2s ease;
}
.dropdown-toggle:hover,
.nav-dropdown.open .dropdown-toggle,
.nav-dropdown:focus-within .dropdown-toggle {
  color: var(--text);
  background: color-mix(in srgb, var(--primary) 10%, transparent);
}
.dropdown-toggle span {
  font-size: .76rem;
  transition: transform .2s ease;
}
.nav-dropdown.open .dropdown-toggle span,
.nav-dropdown:focus-within .dropdown-toggle span {
  transform: rotate(180deg);
}
.dropdown-menu {
  position: absolute;
  top: calc(100% + .55rem);
  right: 0;
  min-width: 230px;
  display: grid;
  gap: .2rem;
  padding: .55rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(.98);
  transform-origin: top right;
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown.open .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.dropdown-menu a {
  display: block;
  border-radius: 13px;
  padding: .75rem .85rem;
  white-space: nowrap;
}

@media (max-width: 980px) {
  .nav-dropdown {
    width: 100%;
  }
  .dropdown-toggle {
    width: 100%;
    justify-content: space-between;
    text-align: left;
  }
  .dropdown-menu {
    position: static;
    min-width: 0;
    box-shadow: none;
    margin: .2rem 0 .4rem;
    background: color-mix(in srgb, var(--surface-2) 72%, transparent);
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
  }
  .nav-dropdown.open .dropdown-menu,
  .nav-dropdown:focus-within .dropdown-menu {
    display: grid;
  }
}

/* Added: clickable video card + modal video player */
.video-card-clickable {
  cursor: pointer;
  position: relative;
}
.video-card-clickable:focus-visible {
  outline: 4px solid color-mix(in srgb, var(--primary) 45%, transparent);
  outline-offset: 4px;
}
.video-card-clickable .video-placeholder {
  transition: transform .24s ease, filter .24s ease;
}
.video-card-clickable:hover .video-placeholder,
.video-card-clickable:focus-visible .video-placeholder {
  transform: scale(1.025);
  filter: saturate(1.12);
}
.video-modal {
  width: min(980px, calc(100% - 2rem));
  border: 0;
  padding: 0;
  background: #020617;
  color: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}
.video-modal::backdrop {
  background: rgba(2, 6, 23, .78);
  backdrop-filter: blur(7px);
}
.video-modal-inner {
  padding: 1.2rem;
}
.video-modal-inner h2 {
  margin: 0 3rem 1rem 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
}
.video-modal video {
  display: block;
  width: 100%;
  max-height: 74vh;
  border-radius: 22px;
  background: #000;
}
.video-modal-close {
  color: white;
  background: rgba(15, 23, 42, .75);
  border-color: rgba(255,255,255,.22);
}

/* Added: image-based recommendation papers */
.recommendation-image {
  margin: 0;
  display: grid;
  gap: .8rem;
  justify-items: center;
}
.recommendation-image-btn {
  position: relative;
  width: 100%;
  max-width: 420px;
  border: 0;
  padding: 0;
  background: var(--surface);
  border-radius: 18px;
  box-shadow: 0 24px 70px rgba(15, 23, 42, .14);
  overflow: hidden;
  cursor: zoom-in;
  transition: transform .25s ease, box-shadow .25s ease;
}
.recommendation-image-btn:hover,
.recommendation-image-btn:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 30px 80px rgba(15, 23, 42, .2);
  outline: 4px solid color-mix(in srgb, var(--primary) 35%, transparent);
  outline-offset: 2px;
}
.recommendation-image-btn img {
  width: 100%;
  height: auto;
  display: block;
}
.recommendation-view {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, .82);
  color: white;
  border-radius: 999px;
  padding: .45rem .85rem;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .04em;
  pointer-events: none;
}
.recommendation-image figcaption {
  color: var(--muted);
  font-weight: 800;
  text-align: center;
}
.recommendation-modal {
  width: min(960px, calc(100% - 2rem));
  max-height: calc(100% - 2rem);
  border: 0;
  padding: 0;
  background: #020617;
  color: white;
  border-radius: var(--radius-xl);
}
.recommendation-modal::backdrop {
  background: rgba(2, 6, 23, .82);
  backdrop-filter: blur(7px);
}
.recommendation-modal-inner {
  padding: 1rem 1.2rem 1.2rem;
  display: grid;
  gap: 1rem;
  max-height: 92vh;
  overflow: auto;
}
.recommendation-modal-inner h2 { margin: 0; font-size: 1.4rem; }
.recommendation-modal-inner img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  background: #fff;
}
.recommendation-modal-close {
  color: white;
  background: rgba(15, 23, 42, .75);
  border-color: rgba(255,255,255,.22);
}
@media (max-width: 980px) {
  .recommendation-image-btn { max-width: 360px; }
}

/* Added: FAQ accordion */
.faq-list {
  display: grid;
  gap: 1rem;
  max-width: 980px;
  margin: 0 auto;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 14px 40px rgba(15, 23, 42, .06);
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.faq-item[open] {
  border-color: color-mix(in srgb, var(--primary) 30%, var(--line));
  box-shadow: 0 20px 55px rgba(15, 23, 42, .1);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 1.4rem;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--primary) 45%, transparent);
  outline-offset: -2px;
}
.faq-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary);
  font-size: 1.4rem;
  font-weight: 900;
  transition: transform .25s ease, background .2s ease, color .2s ease;
  flex-shrink: 0;
}
.faq-item[open] .faq-icon {
  transform: rotate(90deg);
  background: var(--primary);
  color: white;
}
.faq-content {
  padding: 0 1.4rem 1.3rem;
  color: var(--muted);
  line-height: 1.7;
}
.faq-content p { margin: 0; }

/* Added: form banner for backend response */
.form-banner {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  padding: .9rem 1rem;
  border-radius: 16px;
  font-weight: 700;
  font-size: .95rem;
  border: 1px solid transparent;
}
.form-banner.success { background: rgba(22, 163, 74, .12); border-color: rgba(22, 163, 74, .35); color: #166534; }
.form-banner.error   { background: rgba(220, 38, 38, .12); border-color: rgba(220, 38, 38, .35); color: #991b1b; }
.form-banner.info    { background: rgba(14, 165, 233, .12); border-color: rgba(14, 165, 233, .35); color: #075985; }
[data-theme="dark"] .form-banner.success { color: #86efac; }
[data-theme="dark"] .form-banner.error   { color: #fca5a5; }
[data-theme="dark"] .form-banner.info    { color: #7dd3fc; }

/* Added: header auth links */
.nav-menu a.nav-auth {
  border: 1px solid var(--line);
  background: var(--surface);
  margin-left: .25rem;
  padding: .55rem .9rem;
  font-weight: 800;
}
.nav-menu a.nav-auth.primary {
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--teal));
  border-color: transparent;
  box-shadow: 0 12px 28px rgba(109, 93, 251, .25);
}
@media (max-width: 980px) {
  .nav-menu a.nav-auth { width: 100%; text-align: left; }
}