/* ===== Custom Properties ===== */
:root {
  --teal: #0D9488;
  --teal-deep: #065F56;
  --navy: #0C1E33;
  --navy-mid: #152D4A;
  --cream: #F7F4EE;
  --warm-white: #FDFBF7;
  --text: #1a1a1a;
  --text-muted: #5a6672;
  --accent-red: #C53030;
  --accent-green: #16653A;
  --font-display: "Noto Serif TC", serif;
  --font-body: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max-width: 1200px;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  line-height: 1.65;
  background: var(--warm-white);
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ===== Shared ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
}

.section-label.light { color: rgba(255,255,255,0.6); }

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--navy);
  margin-bottom: 20px;
}

.section-heading.light { color: var(--warm-white); }

.section-lead {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.7;
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in[data-delay="1"] { transition-delay: 0.1s; }
.fade-in[data-delay="2"] { transition-delay: 0.2s; }
.fade-in[data-delay="3"] { transition-delay: 0.3s; }
.fade-in[data-delay="4"] { transition-delay: 0.4s; }
.fade-in[data-delay="5"] { transition-delay: 0.5s; }
.fade-in[data-delay="6"] { transition-delay: 0.6s; }
.fade-in[data-delay="7"] { transition-delay: 0.7s; }

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background 0.4s, backdrop-filter 0.4s;
}

.navbar.scrolled {
  background: rgba(12, 30, 51, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--teal);
  color: var(--warm-white);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 900;
  border-radius: 8px;
}

.logo-text {
  font-weight: 700;
  font-size: 1rem;
  color: var(--warm-white);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--warm-white); }

.nav-cta {
  background: var(--teal) !important;
  color: var(--warm-white) !important;
  padding: 8px 20px;
  border-radius: 6px;
  transition: background 0.2s, transform 0.2s !important;
}

.nav-cta:hover {
  background: var(--teal-deep) !important;
  transform: translateY(-1px);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switcher {
  display: flex;
  gap: 2px;
  background: rgba(255,255,255,0.1);
  border-radius: 6px;
  padding: 2px;
}

.lang-btn {
  padding: 4px 10px;
  border: none;
  background: transparent;
  color: rgba(255,255,255,0.6);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}

.lang-btn:hover {
  color: var(--warm-white);
}

.lang-btn.active {
  background: var(--teal);
  color: var(--warm-white);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--warm-white);
  transition: transform 0.3s;
}

.hamburger { position: relative; }
.hamburger::before, .hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}
.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }
.nav-toggle.active .hamburger { background: transparent; }
.nav-toggle.active .hamburger::before { top: 0; transform: rotate(45deg); }
.nav-toggle.active .hamburger::after { top: 0; transform: rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(12,30,51,0.92) 0%, rgba(12,30,51,0.7) 40%, rgba(13,148,136,0.4) 100%),
    linear-gradient(to bottom, rgba(12,30,51,0.3) 0%, rgba(12,30,51,0.8) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: clamp(100px, 15vh, 160px) clamp(20px, 4vw, 48px) 0;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--warm-white);
  margin-bottom: 20px;
  max-width: 700px;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: rgba(255,255,255,0.85);
  max-width: 520px;
  line-height: 1.6;
  margin-bottom: 4px;
}

.hero-subtitle-en {
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  color: rgba(255,255,255,0.45);
  font-style: italic;
  margin-bottom: 36px;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--teal);
  color: var(--warm-white);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
}

.hero-cta:hover {
  background: var(--teal-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(13, 148, 136, 0.35);
}

.hero-cta svg { transition: transform 0.2s; }
.hero-cta:hover svg { transform: translateX(4px); }

.hero-stats {
  position: relative;
  z-index: 2;
  display: flex;
  gap: clamp(24px, 4vw, 64px);
  padding: clamp(40px, 6vh, 80px) clamp(20px, 4vw, 48px) clamp(40px, 5vh, 60px);
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  flex-wrap: wrap;
}

.stat { display: flex; flex-direction: column; }

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--warm-white);
  line-height: 1;
}

.stat-unit {
  font-size: 0.6em;
  opacity: 0.7;
}

.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-top: 6px;
}

.scroll-hint {
  position: absolute;
  bottom: 32px;
  right: clamp(20px, 4vw, 48px);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.35);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  font-weight: 500;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ===== PROBLEM ===== */
.problem {
  display: grid;
  grid-template-columns: 0.45fr 0.55fr;
  min-height: 80vh;
}

.problem-visual {
  position: relative;
  overflow: hidden;
}

.problem-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 500px;
}

.problem-content {
  padding: clamp(48px, 8vh, 100px) clamp(32px, 5vw, 80px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--cream);
}

.crisis-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 32px 0;
}

.crisis-item {
  padding: 20px;
  background: var(--warm-white);
  border-radius: 8px;
}

.crisis-stat {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent-red);
  line-height: 1;
  margin-bottom: 6px;
}

.crisis-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.crisis-quote {
  border-left: 3px solid var(--navy);
  padding: 20px 24px;
  margin-top: 8px;
  background: var(--warm-white);
  border-radius: 0 8px 8px 0;
}

.crisis-quote p {
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--navy);
}

.crisis-quote cite {
  display: block;
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: normal;
}

.loss-banner {
  grid-column: 1 / -1;
  background: var(--navy);
  padding: 48px 0;
}

.loss-banner-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
  display: flex;
  justify-content: center;
  gap: clamp(32px, 6vw, 80px);
  flex-wrap: wrap;
}

.loss-item { text-align: center; }

.loss-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--accent-red);
  line-height: 1;
}

.loss-unit {
  font-family: var(--font-display);
  font-size: 0.5em;
  color: var(--accent-red);
  opacity: 0.7;
}

.loss-label {
  display: block;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-top: 8px;
}

/* ===== SOLUTION ===== */
.solution {
  padding: clamp(64px, 10vh, 120px) 0;
  background: var(--warm-white);
}

.solution .container {
  text-align: left;
  margin-bottom: 48px;
}

.solution .section-lead {
  margin-bottom: 0;
}

.tech-showcase {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tech-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 420px;
  background: var(--cream);
}

.tech-panel.reverse { direction: rtl; }
.tech-panel.reverse > * { direction: ltr; }

.tech-panel-img {
  position: relative;
  overflow: hidden;
}

.tech-panel-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out-expo);
}

.tech-panel:hover .tech-panel-img img {
  transform: scale(1.03);
}

.tech-number {
  position: absolute;
  top: 24px;
  left: 24px;
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 900;
  color: rgba(255,255,255,0.2);
  line-height: 1;
}

.tech-panel.reverse .tech-number {
  left: auto;
  right: 24px;
}

.tech-panel-content {
  padding: clamp(32px, 5vw, 64px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.tech-panel-content h3 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 4px;
}

.tech-en {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.tech-panel-content > p:not(.tech-en) {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.tech-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tech-metrics span {
  padding: 5px 14px;
  background: rgba(13, 148, 136, 0.08);
  border: 1px solid rgba(13, 148, 136, 0.15);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--teal-deep);
}

.tech-metrics .correct {
  background: rgba(22, 101, 58, 0.08);
  border-color: rgba(22, 101, 58, 0.2);
  color: var(--accent-green);
}

.tech-metrics .incorrect {
  background: rgba(197, 48, 48, 0.06);
  border-color: rgba(197, 48, 48, 0.15);
  color: var(--accent-red);
}

.tech-tags {
  display: flex;
  gap: 8px;
}

.tech-tags span {
  padding: 4px 12px;
  background: var(--navy);
  color: var(--warm-white);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ===== PROCESS ===== */
.process {
  padding: clamp(64px, 10vh, 120px) 0;
  background:
    linear-gradient(160deg, var(--cream) 0%, var(--warm-white) 50%, rgba(13,148,136,0.04) 100%);
}

.process .container { margin-bottom: 48px; }

.timeline {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

.timeline-line {
  position: absolute;
  left: 39px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--teal), rgba(13,148,136,0.1));
}

.timeline-step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 24px 0;
  position: relative;
}

.timeline-marker {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--teal);
  color: var(--warm-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--warm-white);
}

.timeline-content {
  padding-top: 4px;
}

.timeline-icon {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.timeline-content h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 2px;
}

.timeline-en {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.timeline-content > p:not(.timeline-en) {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== RESULTS ===== */
.results {
  position: relative;
  padding: clamp(80px, 12vh, 140px) 0;
  overflow: hidden;
}

.results-bg {
  position: absolute;
  inset: 0;
}

.results-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.results-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(12,30,51,0.94) 0%, rgba(6,95,86,0.88) 100%);
}

.results-inner {
  position: relative;
  z-index: 2;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.result-card {
  padding: 32px 24px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  text-align: center;
  backdrop-filter: blur(4px);
  transition: background 0.3s, border-color 0.3s, transform 0.3s;
}

.result-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(13, 148, 136, 0.4);
  transform: translateY(-4px);
}

.result-metric {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 900;
  color: #5DE4C7;
  line-height: 1;
  margin-bottom: 12px;
}

.result-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--warm-white);
  margin-bottom: 16px;
}

.result-compare {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.8rem;
}

.result-old {
  color: rgba(255,255,255,0.4);
  text-decoration: line-through;
}

.result-compare svg {
  color: #5DE4C7;
  flex-shrink: 0;
}

.result-new {
  color: #5DE4C7;
  font-weight: 600;
}

/* ===== ADVANTAGE ===== */
.advantage {
  padding: clamp(64px, 10vh, 120px) 0;
  background: var(--warm-white);
}

.compare-table-wrap {
  overflow-x: auto;
  margin: 32px 0;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
}

.compare-table thead {
  border-bottom: 2px solid var(--navy);
}

.compare-table th {
  padding: 14px 20px;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.compare-table td {
  padding: 16px 20px;
  font-size: 0.92rem;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  color: var(--text);
}

.compare-table tbody tr {
  transition: background 0.2s;
}

.compare-table tbody tr:hover {
  background: rgba(13, 148, 136, 0.03);
}

.edge-badge {
  display: inline-block;
  padding: 4px 14px;
  background: var(--teal);
  color: var(--warm-white);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
}

.moats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.moat {
  padding: 4px 0;
}

.moat-line {
  width: 40px;
  height: 3px;
  background: var(--teal);
  margin-bottom: 16px;
  border-radius: 2px;
}

.moat h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 8px;
}

.moat p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== CONTACT ===== */
.contact {
  background:
    linear-gradient(145deg, var(--navy) 0%, var(--navy-mid) 50%, var(--teal-deep) 100%);
  padding: clamp(64px, 10vh, 120px) 0;
}

.contact-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.contact-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  margin-top: 20px;
  max-width: 420px;
}

.contact-desc-en {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.35);
  font-style: italic;
  margin-top: 12px;
  max-width: 420px;
}

.contact-form {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: clamp(24px, 4vw, 40px);
  backdrop-filter: blur(8px);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: var(--font-body);
  color: var(--warm-white);
  transition: border-color 0.2s, background 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.3);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='rgba(255,255,255,0.5)' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: var(--navy);
  color: var(--warm-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--teal);
  background: rgba(255,255,255,0.1);
}

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--teal);
  color: var(--warm-white);
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.3s, transform 0.2s;
}

.form-submit:hover {
  background: var(--teal-deep);
  transform: translateY(-1px);
}

.form-submit svg { transition: transform 0.2s; }
.form-submit:hover svg { transform: translateX(4px); }

/* ===== FOOTER ===== */
.footer {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 32px 0;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

.footer-brand .logo-mark {
  width: 28px;
  height: 28px;
  font-size: 0.85rem;
}

.footer p {
  color: rgba(255,255,255,0.3);
  font-size: 0.8rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(12, 30, 51, 0.97);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 20px clamp(20px, 4vw, 48px);
    gap: 16px;
  }

  .nav-links.active { display: flex; }

  .nav-cta {
    text-align: center;
  }

  .hero-content {
    padding-top: 120px;
  }

  .hero-stats {
    gap: 20px;
  }

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

  .problem-img {
    min-height: 300px;
  }

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

  .tech-panel,
  .tech-panel.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .tech-panel-img img {
    height: 260px;
  }

  .tech-number {
    left: 24px !important;
    right: auto !important;
  }

  .timeline-line { left: 19px; }

  .timeline-marker {
    width: 32px;
    height: 32px;
    font-size: 0.8rem;
  }

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

  .contact-inner {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .scroll-hint { display: none; }
}

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

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

  .loss-banner-inner {
    flex-direction: column;
    gap: 24px;
  }
}