/* ═══════════════════════════════════════════════
   PATROLIoT — Product Page Styles
   Aesthetic: Dark Command Center · Ember Fire
   ═══════════════════════════════════════════════ */

:root {
  --bg:          #0a0b0d;
  --bg2:         #111318;
  --bg3:         #161a20;
  --surface:     #1c2028;
  --surface2:    #242930;
  --border:      #2a3040;
  --border2:     #3a4255;

  --orange:      #ff5e1a;
  --orange-dim:  #cc4a14;
  --amber:       #f59e0b;
  --amber-glow:  rgba(245,158,11,0.15);
  --green:       #22d3a0;
  --green-dim:   #1aac82;
  --red:         #ef4444;

  --text:        #e8eaf0;
  --text2:       #9aa3b2;
  --text3:       #5a6478;

  --ff-display:  'Bebas Neue', sans-serif;
  --ff-mono:     'Space Mono', monospace;
  --ff-body:     'Inter', sans-serif;

  --radius:      6px;
  --radius-lg:   12px;
  --glow-orange: 0 0 30px rgba(255,94,26,0.25);
  --glow-green:  0 0 20px rgba(34,211,160,0.2);
}

/* ── Light Theme ─────────────────────────────────── */
[data-theme="light"] {
  --bg:          #f5f4f0;
  --bg2:         #eceae4;
  --bg3:         #e4e2db;
  --surface:     #ffffff;
  --surface2:    #f0ede7;
  --border:      #d8d4cc;
  --border2:     #c4bfb5;

  --orange:      #e84d0e;
  --orange-dim:  #c43d0a;
  --amber:       #d97706;
  --amber-glow:  rgba(217,119,6,0.12);
  --green:       #0d9e78;
  --green-dim:   #0a8063;
  --red:         #dc2626;

  --text:        #1a1a1a;
  --text2:       #4a4a4a;
  --text3:       #888077;

  --glow-orange: 0 0 30px rgba(232,77,14,0.18);
  --glow-green:  0 0 20px rgba(13,158,120,0.15);
}

/* Auto-detect system preference (default) */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg:          #f5f4f0;
    --bg2:         #eceae4;
    --bg3:         #e4e2db;
    --surface:     #ffffff;
    --surface2:    #f0ede7;
    --border:      #d8d4cc;
    --border2:     #c4bfb5;

    --orange:      #e84d0e;
    --orange-dim:  #c43d0a;
    --amber:       #d97706;
    --amber-glow:  rgba(217,119,6,0.12);
    --green:       #0d9e78;
    --green-dim:   #0a8063;
    --red:         #dc2626;

    --text:        #1a1a1a;
    --text2:       #4a4a4a;
    --text3:       #888077;

    --glow-orange: 0 0 30px rgba(232,77,14,0.18);
    --glow-green:  0 0 20px rgba(13,158,120,0.15);
  }
}


/* ── Theme transition ────────────────────────────── */
body, #navbar, .mini-card, .feature-card, .device-frame,
.device-screen, .device-body, .screen-header, .screen-body,
.silvanus-card, .contact-form-wrap, footer, .tech-diagram,
.sil-stat, .spec-row, .pipeline-step, .td-leaf, .td-core,
.td-dashboard, .cf-field input, .cf-field textarea {
  transition: background 0.35s ease, border-color 0.35s ease,
              color 0.35s ease, box-shadow 0.35s ease;
}

/* ── Light-theme specific overrides ─────────────── */
[data-theme="light"] .hero-bg,
:root:not([data-theme="dark"]):not([data-theme="light"]) .hero-bg {
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(232,77,14,0.05) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 70%, rgba(13,158,120,0.04) 0%, transparent 60%),
    linear-gradient(180deg, #f5f4f0 0%, #eceae4 100%);
}

[data-theme="light"] .scanline,
:root:not([data-theme="dark"]):not([data-theme="light"]) .scanline {
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.015) 2px, rgba(0,0,0,0.015) 4px
  );
}

[data-theme="light"] #navbar {
  background: rgba(245,244,240,0.9) !important;
}

[data-theme="light"] .device-frame {
  box-shadow: 0 0 0 1px rgba(232,77,14,0.1), 0 20px 60px rgba(0,0,0,0.12);
}

[data-theme="light"] .td-core {
  box-shadow: 0 0 16px rgba(232,77,14,0.12);
}

/* ── Theme toggle button ─────────────────────────── */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 50%;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  padding: 0;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}
.theme-toggle:hover {
  border-color: var(--orange);
  transform: scale(1.08);
}

.tt-icon {
  position: absolute;
  font-size: 0.95rem;
  line-height: 1;
  transition: opacity 0.25s ease, transform 0.3s ease;
}

/* Default dark: show moon, hide sun */
.tt-sun  { opacity: 0; transform: rotate(90deg) scale(0.7); }
.tt-moon { opacity: 1; transform: rotate(0deg) scale(1); }

/* Light mode: show sun, hide moon */
[data-theme="light"] .tt-sun  { opacity: 1; transform: rotate(0deg) scale(1); }
[data-theme="light"] .tt-moon { opacity: 0; transform: rotate(-90deg) scale(0.7); }

/* System preference: light — show sun, hide moon (when no override set) */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .tt-sun  { opacity: 1; transform: rotate(0deg) scale(1); }
  :root:not([data-theme="dark"]) .tt-moon { opacity: 0; transform: rotate(-90deg) scale(0.7); }
}

/* Force dark when explicitly set */
[data-theme="dark"] .tt-sun  { opacity: 0 !important; transform: rotate(90deg) scale(0.7) !important; }
[data-theme="dark"] .tt-moon { opacity: 1 !important; transform: rotate(0deg) scale(1) !important; }

/* ── Nav right mobile wrapper ────────────────────── */
.nav-right-mobile {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
#themeToggleMobile { display: none; }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--ff-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

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

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── Nav ─────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10,11,13,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: border-color 0.3s;
}

.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--ff-mono);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text);
}
.logo-bracket { color: var(--orange); }
.logo-iot { color: var(--green); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}
.nav-links a {
  font-size: 0.82rem;
  font-family: var(--ff-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text2);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links .nav-cta {
  background: var(--orange);
  color: #fff !important;
  padding: 0.4rem 1rem;
  border-radius: var(--radius);
  transition: background 0.2s;
}
.nav-links .nav-cta:hover { background: var(--orange-dim); color: #fff !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 1rem 2rem;
  gap: 0.75rem;
}
.mobile-menu a {
  font-family: var(--ff-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text2);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}
.mobile-menu.open { display: flex; }

/* ── Hero ─────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  padding-top: 60px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(255,94,26,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 70%, rgba(34,211,160,0.04) 0%, transparent 60%),
    linear-gradient(180deg, #0a0b0d 0%, #0d0f14 100%);
  pointer-events: none;
}

/* Scanline overlay */
.scanline {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255,255,255,0.012) 2px,
    rgba(255,255,255,0.012) 4px
  );
  pointer-events: none;
}

/* Floating embers */
.ember {
  position: absolute;
  bottom: -10px;
  left: var(--x);
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 6px var(--orange), 0 0 12px rgba(255,94,26,0.4);
  animation: floatUp var(--dur) var(--delay) infinite ease-in;
  opacity: 0;
}
@keyframes floatUp {
  0%   { transform: translateY(0) translateX(0); opacity: 0; }
  10%  { opacity: 0.9; }
  50%  { transform: translateY(-40vh) translateX(15px); opacity: 0.6; }
  80%  { opacity: 0.2; }
  100% { transform: translateY(-90vh) translateX(-10px); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 5rem 2rem 5rem;
  max-width: 1180px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  max-width: 620px;
  padding-left: 5vw;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  border: 1px solid var(--border);
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  margin-bottom: 2rem;
  animation: fadeInDown 0.8s ease both;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: var(--glow-green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  font-family: var(--ff-display);
  font-size: clamp(5rem, 12vw, 9rem);
  line-height: 0.9;
  letter-spacing: 0.02em;
  color: var(--text);
  animation: fadeInDown 0.8s 0.1s ease both;
}
.title-iot { color: var(--orange); text-shadow: var(--glow-orange); }

.hero-tagline {
  font-family: var(--ff-mono);
  font-size: clamp(0.9rem, 2vw, 1.15rem);
  color: var(--green);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 0.75rem;
  animation: fadeInDown 0.8s 0.2s ease both;
}

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text2);
  margin-top: 1.25rem;
  line-height: 1.75;
  animation: fadeInDown 0.8s 0.3s ease both;
}
.hero-sub em { color: var(--orange); font-style: normal; }

.hero-stat-row {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-top: 2rem;
  animation: fadeInDown 0.8s 0.4s ease both;
}
.hero-stat { display: flex; flex-direction: column; }
.stat-val {
  font-family: var(--ff-display);
  font-size: 2.4rem;
  color: var(--orange);
  line-height: 1;
}
.stat-label {
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text3);
  margin-top: 0.2rem;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-cta-row {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
  animation: fadeInDown 0.8s 0.5s ease both;
}

/* ── Buttons ─────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--orange);
  color: #fff;
  font-family: var(--ff-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn-primary:hover {
  background: var(--orange-dim);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(255,94,26,0.3);
}
.btn-primary.full-width { width: 100%; justify-content: center; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--text);
  font-family: var(--ff-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border2);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.btn-secondary:hover {
  border-color: var(--orange);
  color: var(--orange);
  background: rgba(255,94,26,0.05);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  font-family: var(--ff-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border2);
  color: var(--text2);
  transition: border-color 0.2s, color 0.2s;
}
.btn-outline:hover { border-color: var(--green); color: var(--green); }
.btn-outline.sm { padding: 0.45rem 0.9rem; font-size: 0.72rem; }

/* ── Hero Device ─────────────────────────────────── */
.hero-device {
  position: absolute;
  right: 5vw;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  animation: fadeInRight 1s 0.4s ease both;
}

.device-frame {
  width: 280px;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255,94,26,0.12),
    0 20px 60px rgba(0,0,0,0.6),
    0 0 40px rgba(255,94,26,0.08);
}

.device-screen {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.screen-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}
.sh-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}
.sh-dot.red   { background: #ef4444; }
.sh-dot.amber { background: var(--amber); }
.sh-dot.green { background: var(--green); }
.sh-title {
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  color: var(--text3);
  margin-left: auto;
  letter-spacing: 0.06em;
}

.screen-body {
  padding: 0.8rem;
}

.feed-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.25rem 0;
  border-bottom: 1px solid rgba(42,48,64,0.5);
}
.feed-row.small { font-size: 0.7rem; }
.feed-label {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--text3);
  text-transform: uppercase;
}
.feed-value {
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  color: var(--text);
}
.status-ok {
  color: var(--green);
  text-shadow: 0 0 8px rgba(34,211,160,0.4);
}
.feed-divider {
  height: 1px;
  background: var(--border);
  margin: 0.4rem 0;
}

.mini-chart {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 36px;
  padding: 0.4rem 0 0.2rem;
}
.bar {
  flex: 1;
  height: var(--h);
  background: var(--border2);
  border-radius: 2px 2px 0 0;
  transition: height 0.3s;
}
.bar.active { background: var(--orange); box-shadow: 0 0 6px rgba(255,94,26,0.5); }

.device-body {
  background: var(--surface2);
  padding: 0.75rem 0.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.pi-label {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  color: var(--text3);
  letter-spacing: 0.06em;
}
.pi-ports {
  display: flex;
  gap: 4px;
}
.port {
  width: 12px; height: 8px;
  background: var(--bg);
  border-radius: 2px;
  border: 1px solid var(--border2);
}
.led-row {
  display: flex;
  gap: 5px;
  align-items: center;
}
.led {
  width: 6px; height: 6px;
  border-radius: 50%;
}
.led.green { background: var(--green); box-shadow: 0 0 6px rgba(34,211,160,0.6); }
.led.amber { background: var(--amber); opacity: 0.4; }
.led.red   { background: var(--red); opacity: 0.3; }
.led.blink { animation: ledBlink 2s infinite; }
@keyframes ledBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text3);
  animation: fadeIn 1s 1.2s ease both;
  z-index: 2;
}
.scroll-dot { animation: scrollDot 2s infinite; }
@keyframes scrollDot {
  0%   { cy: 7; opacity: 1; }
  100% { cy: 17; opacity: 0; }
}

/* ── Sections ─────────────────────────────────────── */
.section {
  padding: 6rem 0;
}
.dark-section {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-tag {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.section-tag::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--orange);
}

h2 {
  font-family: var(--ff-display);
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--text);
  margin-bottom: 1.5rem;
}
h2.centered { text-align: center; }

.accent { color: var(--orange); }

.section-intro {
  font-size: 1.05rem;
  color: var(--text2);
  max-width: 640px;
  line-height: 1.8;
  margin-bottom: 3rem;
}
.section-intro.centered {
  margin: 0 auto 3rem;
  text-align: center;
}

.lead {
  font-size: 1.05rem;
  color: var(--text2);
  line-height: 1.85;
  margin-bottom: 1.25rem;
}
.lead strong { color: var(--text); }

p { margin-bottom: 1rem; color: var(--text2); }
p strong { color: var(--text); }
p em { color: var(--orange); font-style: normal; }

.inline-link {
  color: var(--green);
  text-decoration: underline;
  text-decoration-color: rgba(34,211,160,0.3);
  transition: text-decoration-color 0.2s;
}
.inline-link:hover { text-decoration-color: var(--green); }

/* ── About ────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mini-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  transition: border-color 0.2s;
}
.mini-card:hover { border-color: var(--border2); }
.mini-card.accent-card {
  border-color: rgba(255,94,26,0.3);
  background: rgba(255,94,26,0.04);
}
.mc-icon { font-size: 1.4rem; margin-bottom: 0.5rem; }
.mini-card h4 {
  font-family: var(--ff-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text);
  margin-bottom: 0.4rem;
}
.mini-card p { font-size: 0.88rem; margin: 0; color: var(--text2); }

/* ── Pipeline ─────────────────────────────────────── */
.pipeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.pipeline-line {
  position: absolute;
  left: 2rem;
  top: 2rem;
  bottom: 2rem;
  width: 1px;
  background: linear-gradient(180deg, var(--orange) 0%, var(--green) 100%);
  opacity: 0.4;
}

.pipeline-step {
  display: flex;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  transition: background 0.2s;
}
.pipeline-step:last-child { border-bottom: none; }

.ps-icon-wrap {
  position: relative;
  flex-shrink: 0;
}

.ps-icon {
  width: 52px;
  height: 52px;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  position: relative;
  z-index: 1;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.pipeline-step:hover .ps-icon {
  border-color: var(--orange);
  box-shadow: 0 0 16px rgba(255,94,26,0.2);
}
.ps-icon svg { width: 24px; height: 24px; }

.ps-content { flex: 1; padding-top: 0.25rem; }
.ps-num {
  display: block;
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--orange);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
}
.ps-content h3 {
  font-family: var(--ff-display);
  font-size: 1.6rem;
  letter-spacing: 0.03em;
  color: var(--text);
  margin-bottom: 0.6rem;
}
.ps-content p {
  font-size: 0.92rem;
  color: var(--text2);
  margin: 0;
  line-height: 1.75;
}

/* ── Features ─────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.feature-card:hover {
  border-color: var(--border2);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.3);
}
.feature-card.fc-wide { grid-column: span 2; }

.fc-accent-line {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), transparent);
  opacity: 0;
  transition: opacity 0.25s;
}
.feature-card:hover .fc-accent-line { opacity: 1; }

.fc-icon { font-size: 1.8rem; margin-bottom: 0.75rem; }
.feature-card h3 {
  font-family: var(--ff-display);
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  color: var(--text);
  margin-bottom: 0.6rem;
}
.feature-card p {
  font-size: 0.88rem;
  color: var(--text2);
  line-height: 1.75;
  margin: 0 0 1rem;
}

.fc-tag {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  border: 1px solid rgba(34,211,160,0.25);
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
}

/* ── Video Section ────────────────────────────────── */
.video-section {
  background: var(--bg);
}

.video-wrapper {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 3rem;
  align-items: start;
}

.video-frame-outer {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border2);
  box-shadow:
    0 0 0 1px rgba(255,94,26,0.1),
    0 24px 60px rgba(0,0,0,0.45);
  transition: box-shadow 0.3s;
}
.video-frame-outer:hover {
  box-shadow:
    0 0 0 1px rgba(255,94,26,0.25),
    0 28px 70px rgba(0,0,0,0.5),
    0 0 40px rgba(255,94,26,0.08);
}

.video-chrome {
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.vc-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.vc-dot.red   { background: #ef4444; }
.vc-dot.amber { background: var(--amber); }
.vc-dot.green { background: var(--green); }

.vc-title {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--text2);
  margin-left: 0.4rem;
  flex: 1;
}
.vc-source {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: var(--text3);
}

.video-embed-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  background: #000;
}
.video-embed-wrap iframe,
.video-embed-wrap video {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
  display: block;
}
.video-embed-wrap video {
  background: #000;
  object-fit: contain;
}

/* Video meta panel */
.video-meta {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-top: 0.5rem;
}

.vm-badge { margin-bottom: -0.25rem; }

.video-meta h3 {
  font-family: var(--ff-display);
  font-size: 1.6rem;
  letter-spacing: 0.02em;
  color: var(--text);
  line-height: 1.1;
}

.video-meta p {
  font-size: 0.88rem;
  color: var(--text2);
  line-height: 1.8;
  margin: 0;
}

.vm-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.vmh-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text2);
}
.vmh-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--orange);
  flex-shrink: 0;
  box-shadow: 0 0 6px rgba(255,94,26,0.5);
}

/* ── Benefits Strip ──────────────────────────────── */
.benefits-strip {
  background: var(--orange);
  padding: 0.85rem 0;
  overflow: hidden;
}

.bs-ticker { overflow: hidden; white-space: nowrap; }
.bs-track {
  display: inline-flex;
  gap: 3rem;
  animation: ticker 28s linear infinite;
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.95);
  padding-right: 3rem;
}
.bs-track span { flex-shrink: 0; }
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── Technology ──────────────────────────────────── */
.tech-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.tech-diagram {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
}

.td-core {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg);
  border: 2px solid var(--orange);
  border-radius: var(--radius-lg);
  padding: 1rem 2rem;
  box-shadow: 0 0 20px rgba(255,94,26,0.2);
  margin-bottom: 1.5rem;
}
.tdn-label {
  font-family: var(--ff-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
}
.tdn-sub {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--text3);
  letter-spacing: 0.08em;
}

.td-arms {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.td-leaf {
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 0.6rem 0.75rem;
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  color: var(--text2);
  transition: border-color 0.2s, color 0.2s;
}
.td-leaf:hover { border-color: var(--green); color: var(--text); }

.td-down-arrow {
  font-size: 1.4rem;
  color: var(--orange);
  margin-bottom: 0.5rem;
}

.td-dashboard {
  background: var(--bg);
  border: 1px solid rgba(34,211,160,0.3);
  border-radius: var(--radius);
  padding: 0.75rem 1.5rem;
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  color: var(--green);
  display: inline-block;
}

.tech-specs { display: flex; flex-direction: column; gap: 0; }

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}
.spec-row:last-child { border-bottom: none; }

.spec-key {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text3);
  flex-shrink: 0;
}
.spec-val {
  font-size: 0.88rem;
  color: var(--text);
  text-align: right;
}

/* ── SILVANUS Section ─────────────────────────────── */
.silvanus-section {
  background: var(--bg);
}

.silvanus-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 4rem;
  align-items: start;
  position: relative;
  overflow: hidden;
}
.silvanus-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #003399, #ffcc00, #003399);
}

.eu-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(0,51,153,0.4);
  border-radius: 4px;
  background: rgba(0,51,153,0.08);
}
.eu-stars {
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
  max-width: 28px;
}
.eu-stars span {
  font-size: 0.45rem;
  color: #ffcc00;
  line-height: 1;
}
.eu-label {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text2);
}

.sil-left h3 {
  font-family: var(--ff-display);
  font-size: 2.5rem;
  letter-spacing: 0.02em;
  color: var(--text);
  margin-bottom: 0.3rem;
}
.sil-project {
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 1.5rem;
}

.sil-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.sil-stat {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  text-align: center;
}
.ss-val {
  font-family: var(--ff-display);
  font-size: 2.4rem;
  color: var(--orange);
  line-height: 1;
}
.ss-label {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text3);
  margin-top: 0.35rem;
}

.sil-countries {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  text-align: center;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

/* ── Contact ─────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.ci-block {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.ci-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 0.1rem; }
.ci-block div {
  font-size: 0.9rem;
  color: var(--text2);
  line-height: 1.7;
}
.ci-block strong { color: var(--text); }

.contact-form-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.cf-inner { display: flex; flex-direction: column; gap: 1rem; }
.cf-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.cf-field { display: flex; flex-direction: column; gap: 0.4rem; }
.cf-field label {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text3);
}
.cf-field input,
.cf-field textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.65rem 0.9rem;
  color: var(--text);
  font-family: var(--ff-body);
  font-size: 0.9rem;
  resize: vertical;
  transition: border-color 0.2s;
  outline: none;
}
.cf-field input:focus,
.cf-field textarea:focus {
  border-color: var(--orange);
}
.cf-field input::placeholder,
.cf-field textarea::placeholder {
  color: var(--text3);
}

.cf-note {
  font-size: 0.8rem;
  color: var(--text3);
  text-align: center;
  margin: 0;
}

/* ── Footer ─────────────────────────────────────── */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand .nav-logo {
  display: block;
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}
.footer-brand p {
  font-size: 0.85rem;
  color: var(--text3);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.fl-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.fl-col strong {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text3);
  margin-bottom: 0.25rem;
}
.fl-col a {
  font-size: 0.85rem;
  color: var(--text2);
  transition: color 0.2s;
  line-height: 1.5;
}
.fl-col a:hover { color: var(--orange); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text3);
}

.footer-eu {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.eu-mini-stars {
  font-size: 0.5rem;
  color: #ffcc00;
  letter-spacing: 1px;
}

/* ── Animations ─────────────────────────────────── */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateY(-50%) translateX(20px); }
  to   { opacity: 1; transform: translateY(-50%) translateX(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-device { display: none; }
  .hero-content {
    max-width: 100%;
    padding: 5rem 2rem 5rem;
  }
  .about-grid,
  .tech-layout,
  .contact-layout,
  .video-wrapper { grid-template-columns: 1fr; gap: 2.5rem; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .feature-card.fc-wide { grid-column: span 2; }
  .silvanus-card { grid-template-columns: 1fr; gap: 2.5rem; padding: 2rem; }
  .footer-top { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  #themeToggleMobile { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card.fc-wide { grid-column: span 1; }
  .cf-row { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .sil-stats { grid-template-columns: 1fr 1fr; }
  .hero-stat-row { flex-wrap: wrap; gap: 1rem; }
  .stat-divider { display: none; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}

@media (max-width: 480px) {
  .footer-links { grid-template-columns: 1fr; }
  .hero-cta-row { flex-direction: column; }
  .btn-primary, .btn-secondary { text-align: center; justify-content: center; }
}