/* ============================================================
   MediKiosk Landing Page — Styles
   Full-Screen Scroll-Driven Video
   ============================================================ */

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

:root {
  --navy: #1A237E;
  --navy-light: #283593;
  --navy-dark: #0D1554;
  --navy-glow: rgba(26, 35, 126, 0.08);
  --saffron: #E8751A;
  --saffron-light: #F09030;
  --saffron-glow: rgba(232, 117, 26, 0.08);
  --green: #2E7D32;
  --green-light: #66BB6A;
  --green-glow: rgba(46, 125, 50, 0.06);
  --surface: #F7F8FA;
  --white: #FFFFFF;
  --text: #1C1C2E;
  --text-secondary: #4A4A63;
  --text-muted: #8A8AA0;
  --border: #E4E5EA;
  --radius: 8px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
  --shadow-glow: 0 4px 20px rgba(26, 35, 126, 0.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}


/* ===== Tricolor ===== */
.tricolor {
  display: flex;
  height: 3px;
  width: 100%;
  position: fixed;
  top: 0;
  z-index: 10000;
}
.tricolor span { flex: 1; }
.tricolor .saffron { background: #FF9933; }
.tricolor .white-strip { background: #FFFFFF; }
.tricolor .green-strip { background: #138808; }


/* ===== Header ===== */
header {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 0.45rem 1.75rem;
  position: fixed;
  top: 3px;
  left: 0;
  right: 0;
  z-index: 9999;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.4s ease, opacity 0.4s ease;
}

header.hide-for-iframe {
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
}

header.scrolled {
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
  padding: 0.35rem 1.75rem;
  background: rgba(255, 255, 255, 0.95);
}

.header-inner {
  max-width: 1024px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  transition: transform 0.3s;
}
.logo-icon:hover { transform: rotate(-3deg) scale(1.04); }

.logo-text h1 {
  font-size: 1.05rem;
  font-weight: 750;
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.logo-text span {
  font-size: 0.58rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.35rem 0.85rem;
  border-radius: 6px;
  transition: all 0.2s;
}

nav a:hover {
  color: var(--navy);
  background: var(--navy-glow);
}

.nav-cta {
  background: var(--navy) !important;
  color: white !important;
  padding: 0.4rem 1.15rem !important;
  border-radius: 6px !important;
  margin-left: 0.5rem;
  font-weight: 600 !important;
  font-size: 0.78rem !important;
  box-shadow: 0 1px 6px rgba(26, 35, 126, 0.15);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.nav-cta:hover {
  transform: translateY(-1px) !important;
  box-shadow: var(--shadow-glow) !important;
  background: var(--navy-light) !important;
}


/* ============================================================
   Scroll-Driven Video Section
   ============================================================ */

.scroll-video-section {
  position: relative;
  height: 1200vh;
}

.scroll-video-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  background: var(--white);
}

/* --- Full-screen video --- */
.scroll-video-sticky video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 30% center;
  z-index: 1;
  transition: opacity 0.05s linear;
}

/* --- Floating hero overlay (right side) --- */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 5rem 6rem 3rem;
  transition: opacity 0.05s linear;
  will-change: opacity, transform;
}

.hero-overlay-content {
  max-width: 620px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
  border-radius: 14px;
  padding: 2.25rem;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.08),
    0 1px 4px rgba(0, 0, 0, 0.04);
}

/* Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(232, 117, 26, 0.08);
  color: #A0530D;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: 4px;
  border: 1px solid rgba(232, 117, 26, 0.15);
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}
.hero-badge svg { width: 12px; height: 12px; }

/* Heading */
.hero-overlay-content h2 {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.1;
  margin-bottom: 1.25rem;
  letter-spacing: -0.04em;
}

.hero-overlay-content h2 .highlight {
  position: relative;
  display: inline-block;
  color: var(--saffron);
}

.hero-overlay-content h2 .highlight::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: -4px;
  right: -4px;
  height: 10px;
  background: linear-gradient(90deg, rgba(255, 153, 51, 0.25), rgba(255, 153, 51, 0.08));
  border-radius: 4px;
  z-index: -1;
  transform: skewX(-3deg);
}

/* Paragraph */
.hero-overlay-content p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

/* Buttons */
.hero-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1.35rem;
  border-radius: 7px;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn svg { width: 14px; height: 14px; transition: transform 0.2s; }
.btn:hover svg { transform: translateX(2px); }

.btn-primary {
  background: var(--navy);
  color: white;
  box-shadow: 0 1px 4px rgba(26, 35, 126, 0.2);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(26, 35, 126, 0.25);
  background: var(--navy-light);
}

.btn-secondary {
  background: var(--white);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  transform: translateY(-1px);
  border-color: #C0C0CA;
  box-shadow: var(--shadow-md);
}

/* Stats */
.hero-stats {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.stat { text-align: center; position: relative; }

.stat::after {
  content: "";
  position: absolute;
  right: -0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 28px;
  background: var(--border);
}
.stat:last-child::after { display: none; }

.stat-number {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.62rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* Scroll hint — pinned to bottom center */
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 0.5rem 1.1rem;
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  animation: hintBounce 2.5s ease-in-out infinite;
  transition: opacity 0.2s;
}
.scroll-hint svg { 
  width: 14px; 
  height: 14px; 
  stroke-width: 2px;
  color: var(--saffron);
}

@keyframes hintBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(5px); }
}


/* --- Video fade overlay (fades to white) --- */
.video-fade-overlay {
  position: absolute;
  inset: 0;
  background: var(--white);
  opacity: 0;
  z-index: 2;
  pointer-events: none;
  transition: opacity 0.05s linear;
}


/* --- Iframe container (sits behind everything, revealed by fade) --- */
.iframe-container {
  position: absolute;
  inset: 0;
  z-index: 4;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  background: var(--white);
}

.iframe-container.visible {
  opacity: 1;
  pointer-events: auto;
}

.iframe-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}


/* --- Progress bar --- */
.video-progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(0, 0, 0, 0.05);
  z-index: 5;
}

.video-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--navy), var(--saffron), var(--green));
  transition: width 0.08s linear;
  border-radius: 0 2px 2px 0;
}


/* ============================================================
   Shared Section Styles (Tech Stack + User Flow)
   ============================================================ */

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--navy-glow);
  color: var(--navy);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: 5px;
  border: 1px solid rgba(26, 35, 126, 0.1);
  margin-bottom: 1.25rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.section-badge svg { width: 12px; height: 12px; }

.section-header h2 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.section-header h2 .highlight {
  color: var(--saffron);
  position: relative;
  display: inline-block;
}

.section-header h2 .highlight::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: -4px;
  right: -4px;
  height: 10px;
  background: linear-gradient(90deg, rgba(255, 153, 51, 0.25), rgba(255, 153, 51, 0.08));
  border-radius: 4px;
  z-index: -1;
  transform: skewX(-3deg);
}

.section-header p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}


/* ============================================================
   Tech Stack Section
   ============================================================ */

.tech-stack-section {
  padding: 6rem 0 4rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.tech-category {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s, transform 0.3s;
}

.tech-category:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.tech-category h3 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border);
}

.tech-category h3 svg {
  width: 18px;
  height: 18px;
  color: var(--saffron);
}

.tech-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.tech-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1rem 0.5rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid transparent;
  transition: all 0.25s;
}

.tech-card:hover {
  border-color: var(--navy-glow);
  background: rgba(26, 35, 126, 0.03);
  transform: translateY(-2px);
}

.tech-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
  font-size: 1rem;
  font-weight: 800;
}

.tech-icon svg {
  width: 20px;
  height: 20px;
}

/* Icon color variants */
.tech-icon.sarvam { background: linear-gradient(135deg, #FF6B35, #FF9933); color: white; font-size: 1.3rem; }
.tech-icon.llm { background: linear-gradient(135deg, #7C3AED, #A78BFA); color: white; }
.tech-icon.ocr { background: linear-gradient(135deg, #059669, #34D399); color: white; }
.tech-icon.whisper { background: linear-gradient(135deg, #0284C7, #38BDF8); color: white; }
.tech-icon.fastapi { background: linear-gradient(135deg, #059669, #10B981); color: white; }
.tech-icon.postgres { background: linear-gradient(135deg, #1D4ED8, #3B82F6); color: white; }
.tech-icon.redis { background: linear-gradient(135deg, #DC2626, #F87171); color: white; }
.tech-icon.fhir { background: linear-gradient(135deg, #D97706, #FBBF24); color: white; }
.tech-icon.react { background: linear-gradient(135deg, #0891B2, #22D3EE); color: white; }
.tech-icon.i18n { background: linear-gradient(135deg, #7C3AED, #C084FC); color: white; }
.tech-icon.docker { background: linear-gradient(135deg, #1D4ED8, #60A5FA); color: white; }
.tech-icon.nginx { background: linear-gradient(135deg, #15803D, #4ADE80); color: white; }

.tech-name {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.tech-desc {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
  letter-spacing: 0.01em;
}

/* Local-first callout */
.local-callout {
  margin-top: 3rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background: linear-gradient(135deg, rgba(26, 35, 126, 0.06), rgba(46, 125, 50, 0.06));
  border: 1px solid rgba(26, 35, 126, 0.12);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
}

.local-callout-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--green), var(--green-light));
  display: flex;
  align-items: center;
  justify-content: center;
}

.local-callout-icon svg {
  width: 24px;
  height: 24px;
  color: white;
}

.local-callout-text strong {
  font-size: 1rem;
  color: var(--navy);
  display: block;
  margin-bottom: 0.35rem;
}

.local-callout-text p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}


/* ============================================================
   User Flow Section
   ============================================================ */

.user-flow-section {
  padding: 6rem 0;
  background: var(--white);
  border-top: 1px solid var(--border);
}

.flow-timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

/* Vertical connecting line */
.flow-timeline::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--saffron), var(--navy), var(--green));
  border-radius: 2px;
}

.flow-step {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  position: relative;
  padding-bottom: 2.5rem;
}

.flow-step:last-child {
  padding-bottom: 0;
}

.flow-number {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--navy);
  z-index: 1;
  transition: all 0.3s;
}

.flow-step:hover .flow-number {
  background: var(--navy);
  color: white;
  transform: scale(1.1);
}

.flow-content {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  flex: 1;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s, transform 0.3s;
}

.flow-step:hover .flow-content {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.flow-icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.flow-icon-wrap svg {
  width: 20px;
  height: 20px;
  color: white;
}

.flow-icon-wrap.lang-icon { background: linear-gradient(135deg, #7C3AED, #C084FC); }
.flow-icon-wrap.login-icon { background: linear-gradient(135deg, #1D4ED8, #60A5FA); }
.flow-icon-wrap.consent-icon { background: linear-gradient(135deg, #059669, #34D399); }
.flow-icon-wrap.interview-icon { background: linear-gradient(135deg, #FF6B35, #FF9933); }
.flow-icon-wrap.docs-icon { background: linear-gradient(135deg, #0284C7, #38BDF8); }
.flow-icon-wrap.summary-icon { background: linear-gradient(135deg, #DC2626, #F87171); }

.flow-content h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.3rem;
}

.flow-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}


/* ============================================================
   Responsive — Tech Stack + User Flow
   ============================================================ */

@media (max-width: 1024px) {
  .tech-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .tech-stack-section,
  .user-flow-section {
    padding: 4rem 0;
  }

  .section-header h2 {
    font-size: 1.6rem;
  }

  .tech-items {
    grid-template-columns: 1fr 1fr;
  }

  .local-callout {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .flow-timeline::before {
    left: 24px;
  }

  .flow-content {
    padding: 1.25rem;
  }
}

@media (max-width: 480px) {
  .tech-items {
    grid-template-columns: 1fr;
  }

  .section-header h2 {
    font-size: 1.4rem;
  }
}


/* ===== Mobile CTA — shown below scroll section instead of iframe ===== */
#mobileCta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 2rem 1.25rem 2.5rem;
  background: var(--white);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.mobile-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1rem 1.5rem;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: transform 0.2s, box-shadow 0.2s;
}

.mobile-cta-btn svg {
  width: 18px;
  height: 18px;
}

.mobile-cta-btn:active {
  transform: scale(0.97);
}

.mobile-cta-primary {
  background: var(--navy);
  color: white;
  box-shadow: 0 4px 16px rgba(26, 35, 126, 0.25);
}

.mobile-cta-secondary {
  background: var(--white);
  color: var(--navy);
  border: 2px solid var(--navy);
}

/* Only show on mobile */
@media (min-width: 768px) {
  #mobileCta { display: none; }
}


/* ===== Footer ===== */
footer {
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-left p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.footer-left strong { color: var(--text-secondary); }

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--navy); }

.team-credit {
  margin-top: 0.5rem;
  font-size: 0.82rem !important;
  color: var(--navy) !important;
  font-weight: 500;
}

.team-credit strong {
  font-weight: 700;
  background: linear-gradient(90deg, var(--navy), var(--saffron));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-icon img { width: 100%; height: 100%; object-fit: contain; transition: transform 0.3s; }
.logo-icon:hover img { transform: rotate(-5deg) scale(1.05); }


/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 1024px) {
  .hero-overlay {
    padding: 4rem 2rem 3rem;
  }

  .hero-overlay-content {
    max-width: 440px;
    padding: 1.75rem;
  }

  .hero-overlay-content h2 {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  /* --- Header: compact, hide nav links, keep CTA --- */
  header {
    padding: 0.35rem 1rem;
  }
  header.scrolled {
    padding: 0.3rem 1rem;
  }

  nav a:not(.nav-cta) { display: none; }
  .nav-cta { margin-left: 0 !important; }

  .logo-icon { width: 28px; height: 28px; }
  .logo-text h1 { font-size: 0.92rem; }
  .logo-text span { font-size: 0.5rem; }

  /* --- Hero: full width, bottom aligned --- */
  .hero-overlay {
    justify-content: center;
    align-items: flex-end;
    padding: 4rem 1rem 2rem;
  }

  .hero-overlay-content {
    max-width: 100%;
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 2.5rem;
    background: rgba(255, 255, 255, 0.94);
  }

  .hero-overlay-content h2 {
    font-size: 1.65rem;
  }

  .hero-overlay-content p {
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
  }

  .hero-badge {
    font-size: 0.6rem;
    padding: 0.3rem 0.7rem;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 0.5rem;
  }

  .btn {
    justify-content: center;
    padding: 0.7rem 1.25rem;
    font-size: 0.82rem;
  }

  .hero-stats {
    gap: 0.75rem;
    justify-content: center;
  }
  .stat::after { display: none; }
  .stat-number { font-size: 1.2rem; }
  .stat-label { font-size: 0.55rem; }

  .scroll-hint {
    bottom: 0.75rem;
    font-size: 0.65rem;
    padding: 0.4rem 0.85rem;
  }

  /* --- Video section: touch-friendly --- */
  .scroll-video-section {
    touch-action: pan-y;
  }

  .scroll-video-sticky video {
    object-position: 25% center;
  }

  /* --- Tech Stack: single column --- */
  .tech-stack-section,
  .user-flow-section {
    padding: 3.5rem 0;
  }

  .section-inner {
    padding: 0 1.25rem;
  }

  .section-header {
    margin-bottom: 2.5rem;
  }

  .section-header h2 {
    font-size: 1.6rem;
  }

  .section-header p {
    font-size: 0.9rem;
  }

  .tech-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .tech-category {
    padding: 1.5rem;
  }

  .tech-items {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .tech-card {
    padding: 0.75rem 0.4rem;
  }

  .tech-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
  }

  .local-callout {
    flex-direction: column;
    text-align: center;
    align-items: center;
    padding: 1.25rem;
  }

  /* --- User Flow: tighter timeline --- */
  .flow-timeline::before {
    left: 20px;
  }

  .flow-number {
    width: 42px;
    height: 42px;
    font-size: 0.95rem;
  }

  .flow-step {
    gap: 1rem;
    padding-bottom: 1.75rem;
  }

  .flow-content {
    padding: 1.15rem;
  }

  .flow-content h4 {
    font-size: 0.95rem;
  }

  .flow-content p {
    font-size: 0.82rem;
  }

  .flow-icon-wrap {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    margin-bottom: 0.5rem;
  }

  .flow-icon-wrap svg {
    width: 16px;
    height: 16px;
  }

  /* --- Footer --- */
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .hero-overlay-content h2 {
    font-size: 1.4rem;
  }

  .hero-overlay-content {
    padding: 1.25rem;
  }

  .hero-overlay-content p {
    font-size: 0.8rem;
  }

  .btn {
    font-size: 0.78rem;
    padding: 0.65rem 1rem;
  }

  .section-header h2 {
    font-size: 1.35rem;
  }

  .tech-items {
    grid-template-columns: 1fr;
  }

  .tech-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
  }

  .tech-icon svg {
    width: 16px;
    height: 16px;
  }

  .tech-name {
    font-size: 0.75rem;
  }

  .flow-number {
    width: 36px;
    height: 36px;
    font-size: 0.85rem;
  }

  .flow-timeline::before {
    left: 17px;
  }
}