/* ========================================
   JustConnect IoT – Main Stylesheet
   Theme: Industrial-Tech / Dark + Electric Blue
   ======================================== */

/* ── DARK THEME (default) ── */
:root,
[data-theme="dark"] {
  --bg: #0a0e17;
  --bg2: #0f1420;
  --bg3: #141927;
  --surface: #1a2035;
  --surface2: #1f2840;
  --accent: #00d4ff;
  --accent2: #0099cc;
  --accent3: #00ff88;
  --warn: #ff6b35;
  --text: #e2e8f0;
  --text2: #94a3b8;
  --text3: #64748b;
  --border: #1e2d45;
  --border2: #253350;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --glow: 0 0 20px rgba(0, 212, 255, 0.15);
}

/* ── LIGHT THEME ── */
[data-theme="light"] {
  --bg: #f0f4f8;
  --bg2: #e2e8f0;
  --bg3: #d1dce8;
  --surface: #ffffff;
  --surface2: #f8fafc;
  --accent: #0099cc;
  --accent2: #007aaa;
  --accent3: #00aa55;
  --warn: #dd5500;
  --text: #0f172a;
  --text2: #475569;
  --text3: #94a3b8;
  --border: #cbd5e1;
  --border2: #b0c0d4;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 8px 32px rgba(0,0,0,0.1);
  --glow: 0 0 20px rgba(0, 153, 204, 0.15);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.3s, color 0.3s;
  min-height: 100vh;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
}
h1 { font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.1; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); line-height: 1.15; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.1rem; }

.accent { color: var(--accent); }
.tag {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.25);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

a { color: var(--accent); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.8; }

ul { list-style: none; }

/* ── CONTAINER ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── NAVBAR ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--surface);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}
.navbar.scrolled {
  background: var(--surface);
  box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.4rem; font-weight: 600;
  color: var(--text); text-decoration: none;
}
.logo strong { color: var(--accent); }
.logo-sub { color: var(--accent3); font-size: 0.8em; margin-left: 2px; }
.logo-icon { color: var(--accent); font-size: 1.5rem; }

.nav-links {
  display: flex; align-items: center; gap: 8px;
  list-style: none;
}
.nav-links a {
  color: var(--text2); text-decoration: none;
  padding: 6px 14px; border-radius: var(--radius);
  font-size: 0.95rem; font-family: 'Rajdhani', sans-serif;
  font-weight: 500; letter-spacing: 0.03em;
  transition: all 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.btn-nav {
  background: var(--accent) !important; color: var(--bg) !important;
  font-weight: 700 !important;
}
.btn-nav.btn-outline {
  background: transparent !important; color: var(--accent) !important;
  border: 1px solid var(--accent) !important;
}
.btn-nav:hover { opacity: 0.85; }

.hamburger {
  display: none; background: none; border: none;
  color: var(--text); font-size: 1.5rem; cursor: pointer;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700; font-size: 1rem;
  padding: 12px 28px; border-radius: var(--radius);
  border: none; cursor: pointer;
  transition: all 0.25s;
  letter-spacing: 0.03em;
}
.btn-primary:hover {
  background: #33ddff; transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 212, 255, 0.35);
}
.btn-primary.full { width: 100%; text-align: center; font-size: 1.05rem; padding: 14px; }

.btn-ghost {
  display: inline-block;
  color: var(--text2);
  font-family: 'Rajdhani', sans-serif;
  font-weight: 500; font-size: 1rem;
  padding: 12px 24px;
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  transition: all 0.25s;
}
.btn-ghost:hover { color: var(--text); border-color: var(--accent); }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 100px 24px 60px;
  max-width: 1200px; margin: 0 auto;
  gap: 60px;
  position: relative;
}

.grid-bg {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: -1;
  pointer-events: none;
}

.hero-badge {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem; color: var(--accent3);
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid rgba(0, 255, 136, 0.2);
  display: inline-block; padding: 5px 14px;
  border-radius: 20px; margin-bottom: 1.2rem;
  letter-spacing: 0.1em; text-transform: uppercase;
}

.hero-content { flex: 1; max-width: 580px; }

.hero-content h1 { margin-bottom: 1.2rem; }

.hero-sub {
  color: var(--text2); font-size: 1.1rem;
  max-width: 480px; margin-bottom: 2rem;
}

.hero-cta {
  display: flex; gap: 14px; align-items: center;
  margin-bottom: 3rem; flex-wrap: wrap;
}

.hero-stats {
  display: flex; gap: 32px;
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.5rem; font-weight: 500;
  color: var(--accent);
}
.stat > span:last-child { font-size: 0.8rem; color: var(--text3); }

/* ── HERO VISUAL (3D Module) ── */
.hero-visual {
  flex: 1; display: flex; align-items: center; justify-content: center;
  position: relative; min-height: 400px;
}

.module-3d {
  position: relative; z-index: 2;
  width: 160px; height: 220px;
  transform-style: preserve-3d;
  transform: perspective(600px) rotateX(10deg) rotateY(-20deg);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: perspective(600px) rotateX(10deg) rotateY(-20deg) translateY(0); }
  50% { transform: perspective(600px) rotateX(10deg) rotateY(-20deg) translateY(-12px); }
}

.mod-face {
  position: absolute;
  border: 1px solid rgba(0, 212, 255, 0.3);
}
.mod-front {
  width: 160px; height: 220px;
  background: linear-gradient(160deg, #1a2a40 0%, #0d1a2e 100%);
  border-radius: 6px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 12px; padding: 20px;
  border: 1px solid rgba(0, 212, 255, 0.4);
  box-shadow: var(--glow), inset 0 0 30px rgba(0,0,0,0.3);
}
.mod-top {
  width: 160px; height: 20px;
  background: var(--border2);
  transform: rotateX(90deg) translateZ(-10px);
  top: -20px;
}
.mod-side {
  width: 20px; height: 220px;
  background: var(--bg3);
  transform: rotateY(-90deg) translateX(-10px);
  right: -20px; top: 0;
}

.led {
  width: 14px; height: 14px; border-radius: 50%;
  box-shadow: 0 0 8px currentColor;
}
.led.on { background: var(--accent3); color: var(--accent3); }
.led.off { background: var(--border); color: transparent; }
.led.pulse {
  background: var(--accent);
  color: var(--accent);
  animation: ledPulse 1.2s ease-in-out infinite;
}
@keyframes ledPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--accent); }
  50% { opacity: 0.3; box-shadow: none; }
}
.mod-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem; color: var(--accent); letter-spacing: 0.1em;
  margin-top: 8px;
}
.din-rail {
  position: absolute; bottom: -12px; left: -10px; right: -10px;
  height: 8px; background: var(--border); border-radius: 2px;
}

.orbit-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, 0.12);
  animation: spin linear infinite;
}
.ring1 { width: 320px; height: 320px; animation-duration: 20s; }
.ring2 { width: 440px; height: 440px; animation-duration: 30s; animation-direction: reverse; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.orbit-dot {
  position: absolute; width: 8px; height: 8px;
  border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}
.dot1 { top: 50%; left: 10%; transform: translate(-50%, -50%); animation: orbitDot1 6s linear infinite; }
.dot2 { top: 15%; left: 60%; animation: orbitDot2 8s linear infinite; }
.dot3 { top: 80%; left: 70%; animation: orbitDot3 5s linear infinite; }
@keyframes orbitDot1 { 0%, 100% { transform: translate(-50%,-50%) scale(1); } 50% { transform: translate(-50%,-50%) scale(0.5); opacity: 0.4; } }
@keyframes orbitDot2 { 0%, 100% { opacity: 1; } 50% { opacity: 0.2; } }
@keyframes orbitDot3 { 0%, 100% { opacity: 0.6; } 50% { opacity: 1; } }

/* ── SECTIONS ── */
.section-info { padding: 100px 0; }
.howit { padding: 100px 0; background: var(--bg2); }

.section-header {
  text-align: center; max-width: 620px; margin: 0 auto 60px;
}
.section-header p { color: var(--text2); margin-top: 1rem; font-size: 1.05rem; }
.section-header.light h2 { color: var(--text); }

/* ── INFO GRID ── */
.info-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all 0.3s;
}
.info-card:hover {
  border-color: var(--accent);
  box-shadow: var(--glow);
  transform: translateY(-4px);
}
.info-icon { font-size: 2rem; margin-bottom: 1rem; }
.info-card h3 { color: var(--accent); margin-bottom: 0.5rem; font-size: 1.2rem; }
.info-card p { color: var(--text2); font-size: 0.9rem; }

/* ── STEPS ── */
.steps {
  display: flex; align-items: center; gap: 16px;
  justify-content: center; flex-wrap: wrap;
}
.step {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 28px 24px; flex: 1; min-width: 200px; max-width: 280px;
  transition: border-color 0.3s;
}
.step:hover { border-color: var(--accent); }
.step-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 2.5rem; font-weight: 300;
  color: rgba(0, 212, 255, 0.3);
  margin-bottom: 0.5rem;
}
.step-body h4 { color: var(--text); margin-bottom: 0.5rem; }
.step-body p { color: var(--text2); font-size: 0.9rem; }
.step-arrow {
  font-size: 1.5rem; color: var(--accent);
  opacity: 0.5;
}

/* ── CASE STUDIES ── */
.case-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.case-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s;
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), var(--glow);
  border-color: var(--accent);
}
.case-img {
  height: 160px;
  background-size: cover;
}
.factory {
  background: linear-gradient(135deg, #0d2a40 0%, #1a3a5c 50%, #0a1e30 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem;
  position: relative;
}
.factory::after { content: '🏭'; font-size: 4rem; }
.water::after { content: '💧'; font-size: 4rem; }
.energy::after { content: '⚡'; font-size: 4rem; }
.water {
  background: linear-gradient(135deg, #0a2030 0%, #1a4060 50%, #0a1525 100%);
  display: flex; align-items: center; justify-content: center;
}
.energy {
  background: linear-gradient(135deg, #201500 0%, #402800 50%, #201000 100%);
  display: flex; align-items: center; justify-content: center;
}
.case-body { padding: 24px; }
.case-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem; color: var(--accent); letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 0.5rem;
}
.case-body h3 { margin-bottom: 0.6rem; font-size: 1.2rem; }
.case-body p { color: var(--text2); font-size: 0.9rem; margin-bottom: 1rem; }
.case-stats {
  display: flex; gap: 12px; flex-wrap: wrap;
}
.case-stats span {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem; color: var(--accent3);
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid rgba(0, 255, 136, 0.2);
  padding: 3px 10px; border-radius: 20px;
}

/* ── CTA BANNER ── */
.cta-banner {
  background: var(--bg2);
  border-top: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  padding: 80px 24px; text-align: center;
}
.cta-banner h2 { margin-bottom: 1rem; }
.cta-banner p { color: var(--text2); margin-bottom: 2rem; }

/* ── PAGE HERO ── */
.page-hero {
  padding: 120px 24px 60px;
  background: linear-gradient(180deg, rgba(0,212,255,0.04) 0%, transparent 100%);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.page-hero h1 { margin-bottom: 1rem; }
.page-hero p { color: var(--text2); max-width: 560px; margin: 0 auto; }

/* ── SHOP ── */
.shop-section { padding: 60px 0 100px; }
.filter-bar {
  display: flex; gap: 10px; margin-bottom: 40px; flex-wrap: wrap;
}
.filter-btn {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600; font-size: 0.9rem;
  padding: 8px 20px; border-radius: 20px;
  border: 1px solid var(--border2);
  background: transparent; color: var(--text2);
  cursor: pointer; transition: all 0.2s; letter-spacing: 0.03em;
}
.filter-btn.active, .filter-btn:hover {
  background: var(--accent); color: var(--bg);
  border-color: var(--accent);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s;
  display: flex; flex-direction: column;
}
.product-card:hover {
  border-color: var(--accent);
  box-shadow: var(--glow), 0 12px 40px rgba(0,0,0,0.3);
  transform: translateY(-6px);
}
.product-card.hidden { display: none; }

.product-img {
  height: 160px; background: var(--bg3);
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--border);
}

/* Module Thumbnail */
.module-thumb {
  width: 80px; height: 120px;
  display: flex; flex-direction: column;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.5));
}
.mth-top { height: 12px; background: var(--border2); border-radius: 3px 3px 0 0; }
.mth-body {
  flex: 1;
  border-radius: 0 0 3px 3px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 8px; padding: 10px;
  border: 1px solid rgba(0, 212, 255, 0.3);
  background: linear-gradient(160deg, #1a2a40, #0d1a2e);
}
.mth-led {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent3); box-shadow: 0 0 6px var(--accent3);
}
.mth-led.pulse { animation: ledPulse 1.2s ease-in-out infinite; background: var(--accent); }
.mth-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.5rem; color: var(--accent);
  letter-spacing: 0.05em; text-align: center;
}
.mth-bar {
  width: 100%; height: 6px;
  background: var(--bg); border-radius: 3px; overflow: hidden;
}
.mth-fill { height: 100%; background: var(--accent); border-radius: 3px; }
.mth-fill.ao-fill { background: var(--warn); }
.mth-din { height: 6px; background: var(--border); border-radius: 0 0 3px 3px; margin-top: 2px; }

.product-badge {
  display: inline-block; margin: 16px 16px 0;
  font-family: 'IBM Plex Mono', monospace; font-size: 0.68rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 20px;
  background: rgba(0, 212, 255, 0.1); color: var(--accent);
  border: 1px solid rgba(0, 212, 255, 0.25);
}
.do-badge { background: rgba(255, 107, 53, 0.1); color: var(--warn); border-color: rgba(255,107,53,0.25); }
.combo-badge { background: rgba(0, 255, 136, 0.1); color: var(--accent3); border-color: rgba(0,255,136,0.25); }
.ai-badge { background: rgba(150, 100, 255, 0.1); color: #c084fc; border-color: rgba(150,100,255,0.25); }
.ao-badge { background: rgba(255, 200, 50, 0.1); color: #fbbf24; border-color: rgba(255,200,50,0.25); }

.product-card h3 { padding: 10px 16px 6px; font-size: 1.15rem; }
.product-card > p { padding: 0 16px 12px; color: var(--text2); font-size: 0.88rem; flex: 1; }

.product-specs {
  margin: 0 16px 12px;
  padding: 12px;
  background: var(--bg3);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.product-specs li {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem; color: var(--text2);
  padding: 3px 0;
  border-bottom: 1px solid var(--border);
}
.product-specs li:last-child { border-bottom: none; }
.product-specs li::before { content: '› '; color: var(--accent); }

.product-footer {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.price {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.4rem; font-weight: 700; color: var(--accent);
}
.btn-cart {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700; font-size: 0.9rem;
  padding: 8px 18px; border-radius: var(--radius);
  background: var(--accent); color: var(--bg);
  border: none; cursor: pointer;
  transition: all 0.2s;
}
.btn-cart:hover { background: #33ddff; transform: scale(1.04); }

.cart-toast {
  position: fixed; bottom: 30px; right: 30px;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--accent3);
  border-radius: var(--radius);
  padding: 14px 24px;
  font-size: 0.9rem;
  opacity: 0; transform: translateY(20px);
  transition: all 0.3s; z-index: 200;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.cart-toast.show { opacity: 1; transform: translateY(0); }

.module-banner {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 30px 24px; text-align: center;
}
.module-banner h3 { font-size: 1rem; color: var(--text2); margin-bottom: 0.4rem; }
.module-banner p { font-size: 0.88rem; color: var(--text3); }

/* ── ABOUT ── */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}
.about-text .section-header { text-align: left; margin: 0 0 1.5rem; }
.about-text .tag { margin-bottom: 0.5rem; }
.about-text h2 { font-size: 2rem; margin-bottom: 1rem; }
.about-text p { color: var(--text2); margin-bottom: 1rem; }

.value-chips {
  display: flex; gap: 10px; flex-wrap: wrap; margin-top: 1.5rem;
}
.value-chips span {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.75rem;
  padding: 5px 14px; border-radius: 20px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  color: var(--accent);
}

.about-card-stack {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.acard {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 24px 20px; text-align: center;
  transition: all 0.3s;
}
.acard:hover { border-color: var(--accent); box-shadow: var(--glow); }
.acard-num {
  font-family: 'Rajdhani', sans-serif;
  font-size: 2.2rem; font-weight: 700; color: var(--accent);
}
.acard-label { font-size: 0.8rem; color: var(--text3); }

.team-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.team-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px; text-align: center;
}
.team-avatar { font-size: 2.5rem; margin-bottom: 1rem; }
.team-card h4 { font-size: 1.1rem; margin-bottom: 0.3rem; }
.team-role { font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; color: var(--accent); margin-bottom: 0.8rem; }
.team-card p { color: var(--text2); font-size: 0.85rem; }

.contact-grid {
  display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: start;
}
.contact-item {
  display: flex; gap: 16px; align-items: flex-start;
  margin-bottom: 28px;
}
.ci-icon { font-size: 1.5rem; }
.contact-item h4 { font-size: 1rem; margin-bottom: 0.2rem; }
.contact-item p { color: var(--text2); font-size: 0.9rem; }

.contact-form {
  display: flex; flex-direction: column; gap: 14px;
}
.contact-form input,
.contact-form textarea {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text); padding: 12px 16px;
  font-size: 0.95rem; font-family: 'Inter', sans-serif;
  transition: border-color 0.2s;
  resize: none;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--accent);
}

/* ── AUTH ── */
.auth-page { background: var(--bg); }
.auth-container {
  display: grid; grid-template-columns: 1fr 1fr;
  min-height: 100vh; margin-top: 68px;
}
.auth-left {
  background: var(--surface2);
  padding: 60px 50px; display: flex; flex-direction: column; justify-content: center;
  border-right: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.auth-left::before {
  content: '⬡';
  position: absolute; right: -60px; top: 50%;
  transform: translateY(-50%);
  font-size: 20rem; opacity: 0.03; color: var(--accent);
}
.auth-brand { margin-bottom: 3rem; }
.logo-icon.big { font-size: 3rem; display: block; margin-bottom: 1rem; }
.auth-brand h2 { font-size: 2rem; margin-bottom: 0.8rem; }
.auth-brand p { color: var(--text2); max-width: 360px; }
.auth-features { display: flex; flex-direction: column; gap: 14px; }
.af-item {
  display: flex; gap: 12px; align-items: center;
  font-size: 0.95rem; color: var(--text2);
}
.af-item span { color: var(--accent3); font-size: 1rem; }

.auth-right {
  display: flex; align-items: center; justify-content: center;
  padding: 40px 24px;
}
.auth-box {
  width: 100%; max-width: 440px;
}
.auth-box h2 { font-size: 2rem; margin-bottom: 0.4rem; }
.auth-sub { color: var(--text2); margin-bottom: 2rem; }

.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-size: 0.85rem; color: var(--text2);
  margin-bottom: 6px; font-weight: 500;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text); padding: 12px 14px;
  font-size: 0.95rem; font-family: 'Inter', sans-serif;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}
.pw-wrap { position: relative; }
.pw-wrap input { padding-right: 44px; }
.pw-toggle {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; font-size: 1rem;
  opacity: 0.6; color: var(--text2);
}

.form-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; flex-wrap: wrap; gap: 8px;
}
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.check-label {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.85rem; color: var(--text2); cursor: pointer;
}
.check-label input { width: auto; }
.forgot-link { font-size: 0.85rem; color: var(--accent); }

.auth-divider {
  text-align: center; margin: 20px 0;
  position: relative;
}
.auth-divider::before {
  content: ''; position: absolute;
  left: 0; right: 0; top: 50%;
  border-top: 1px solid var(--border);
}
.auth-divider span {
  position: relative; background: var(--bg);
  padding: 0 14px; color: var(--text3); font-size: 0.85rem;
}
.auth-switch { text-align: center; color: var(--text2); font-size: 0.9rem; }

.auth-error {
  background: rgba(255, 50, 50, 0.1);
  border: 1px solid rgba(255, 50, 50, 0.3);
  color: #ff6b6b;
  padding: 10px 14px; border-radius: var(--radius);
  margin-bottom: 16px; font-size: 0.88rem;
}
.auth-success {
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.3);
  color: var(--accent3);
  padding: 10px 14px; border-radius: var(--radius);
  margin-bottom: 16px; font-size: 0.88rem;
}

/* ── FOOTER ── */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-inner {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; padding-bottom: 40px;
}
.footer-brand { display: flex; flex-direction: column; gap: 8px; }
.footer-brand > span {
  font-family: 'Rajdhani', sans-serif; font-size: 1.3rem; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.footer-brand p { color: var(--text3); font-size: 0.88rem; max-width: 220px; margin-top: 4px; }
.footer-links h4, .footer-contact h4 {
  font-size: 0.9rem; color: var(--text);
  margin-bottom: 16px; letter-spacing: 0.05em;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links li a { color: var(--text3); font-size: 0.88rem; }
.footer-links li a:hover { color: var(--accent); }
.footer-contact p { color: var(--text3); font-size: 0.88rem; margin-bottom: 6px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  text-align: center;
}
.footer-bottom p { color: var(--text3); font-size: 0.82rem; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero { flex-direction: column; padding: 100px 24px 60px; text-align: center; }
  .hero-visual { order: -1; min-height: 300px; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .auth-container { grid-template-columns: 1fr; }
  .auth-left { display: none; }
}

@media (max-width: 640px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--bg2); border-bottom: 1px solid var(--border); padding: 16px; gap: 4px; z-index: 99; }
  .nav-links.open { display: flex; }
  .hamburger { display: block; }
  .footer-inner { grid-template-columns: 1fr; }
  .steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }
  .form-row-2 { grid-template-columns: 1fr; }
  .about-card-stack { grid-template-columns: 1fr 1fr; }
}