/* ============================================================
   TYREX — Styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ── Variables ── */
:root {
  --color-bg:        #0a0a0a;
  --color-primary:   #7B2FBE;
  --color-accent:    #9B4DEB;
  --color-highlight: #BF7FFF;
  --color-white:     #FFFFFF;
  --color-text:      #E0E0E0;
  --color-muted:     #888888;
  --color-glow:      rgba(123,47,190,0.35);
  --color-card-bg:   rgba(255,255,255,0.03);
  --color-border:    rgba(155,77,235,0.25);

  --font-display: 'Orbitron', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius:     12px;
  --radius-lg:  20px;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 3px; }

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

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-white);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--color-muted);
  font-size: 1.05rem;
  max-width: 580px;
  margin: 0 auto 4rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header .accent-line {
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-highlight));
  margin: 1rem auto 1.5rem;
  border-radius: 2px;
}

.tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--color-highlight);
  background: rgba(123,47,190,0.15);
  border: 1px solid rgba(191,127,255,0.3);
  padding: 4px 12px;
  border-radius: 100px;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

/* ── Glow text ── */
.glow-text {
  background: linear-gradient(135deg, var(--color-white) 30%, var(--color-highlight));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.05);
  opacity: 0;
  transition: opacity var(--transition);
}
.btn:hover::before { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-white);
  box-shadow: 0 0 20px var(--color-glow), 0 4px 12px rgba(0,0,0,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(123,47,190,0.6), 0 8px 24px rgba(0,0,0,0.4);
}

.btn-outline {
  background: transparent;
  color: var(--color-highlight);
  border: 1px solid var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 0 16px var(--color-glow);
}

.btn-pulse {
  animation: btnPulse 2.5s ease-in-out infinite;
}
@keyframes btnPulse {
  0%, 100% { box-shadow: 0 0 20px var(--color-glow), 0 4px 12px rgba(0,0,0,0.4); }
  50%       { box-shadow: 0 0 40px rgba(123,47,190,0.7), 0 4px 12px rgba(0,0,0,0.4); }
}

/* ============================================================
   NAVBAR
   ============================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: padding var(--transition), background var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

#navbar.scrolled {
  padding: 12px 0;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--color-border);
}

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

.nav-logo img {
  height: 44px;
  width: auto;
  filter: drop-shadow(0 0 12px var(--color-glow));
  transition: filter var(--transition);
}
.nav-logo:hover img {
  filter: drop-shadow(0 0 20px rgba(191,127,255,0.6));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--color-white); }
.nav-links a:hover::after { width: 100%; }

.nav-cta { margin-left: 8px; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(10,10,10,0.97);
  backdrop-filter: blur(24px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.mobile-nav.open { opacity: 1; pointer-events: all; }
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: color var(--transition);
}
.mobile-nav a:hover { color: var(--color-highlight); }

/* ============================================================
   HERO
   ============================================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

#particles-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(123,47,190,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(123,47,190,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding: 120px 0 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid rgba(191,127,255,0.3);
  background: rgba(123,47,190,0.1);
  font-size: 0.78rem;
  color: var(--color-highlight);
  margin-bottom: 2rem;
  animation: badgePulse 3s ease-in-out infinite;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-highlight);
  box-shadow: 0 0 8px var(--color-highlight);
  animation: dotPulse 1.5s ease-in-out infinite;
}
@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}
@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(191,127,255,0); }
  50%       { box-shadow: 0 0 16px rgba(191,127,255,0.2); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1.1;
  color: var(--color-white);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-accent), var(--color-highlight));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-muted);
  max-width: 540px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 1;
  animation: scrollFloat 2s ease-in-out infinite;
}
.scroll-indicator span {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--color-muted);
  text-transform: uppercase;
}
.scroll-indicator .arrow {
  width: 20px; height: 20px;
  border-right: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(45deg);
}
@keyframes scrollFloat {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.6; }
  50%       { transform: translateX(-50%) translateY(8px); opacity: 1; }
}

/* ============================================================
   CIRCUIT DECORATION
   ============================================================ */
.circuit-decoration {
  position: absolute;
  pointer-events: none;
  opacity: 0.12;
}

/* ============================================================
   SERVICES
   ============================================================ */
#services {
  padding: 120px 0;
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  backdrop-filter: blur(12px);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(155,77,235,0.5);
  box-shadow: 0 20px 60px rgba(123,47,190,0.2), 0 0 0 1px rgba(155,77,235,0.1);
}
.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: rgba(123,47,190,0.15);
  border: 1px solid rgba(155,77,235,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  transition: box-shadow var(--transition);
}
.service-card:hover .service-icon {
  box-shadow: 0 0 20px var(--color-glow);
}

.service-divider {
  width: 40px; height: 2px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  border-radius: 1px;
  margin: 1.2rem 0;
  transition: width var(--transition);
}
.service-card:hover .service-divider { width: 60px; }

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-white);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.service-card p {
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ============================================================
   LIT SECTION
   ============================================================ */
#lit {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

#lit::before {
  content: '';
  position: absolute;
  top: -200px; right: -300px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(123,47,190,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.lit-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.lit-content .section-title { text-align: left; }
.lit-content .section-subtitle { text-align: left; margin: 0 0 2rem; }

.lit-description {
  color: var(--color-text);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

.lit-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 2.5rem;
}

.lit-feature {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  color: var(--color-text);
  transition: border-color var(--transition), background var(--transition);
  opacity: 0;
  transform: translateX(-20px);
}
.lit-feature.visible {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.4s ease, transform 0.4s ease, border-color var(--transition);
}
.lit-feature:hover {
  border-color: rgba(155,77,235,0.4);
  background: rgba(123,47,190,0.08);
}
.lit-feature .feat-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* Chat Mockup */
.chat-mockup {
  background: rgba(15,15,20,0.9);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(155,77,235,0.1);
  backdrop-filter: blur(12px);
  position: relative;
}

.chat-topbar {
  background: rgba(123,47,190,0.15);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-topbar-dots {
  display: flex; gap: 6px;
}
.chat-topbar-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.chat-topbar-dots span:nth-child(1) { background: #ff5f57; }
.chat-topbar-dots span:nth-child(2) { background: #febc2e; }
.chat-topbar-dots span:nth-child(3) { background: #28c840; }

.chat-topbar-info {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  margin-right: auto;
}
.chat-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 0.65rem;
  color: var(--color-white);
  font-weight: 700;
}
.chat-topbar-info span {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--color-white);
  letter-spacing: 0.08em;
}
.chat-status {
  font-size: 0.65rem;
  color: #28c840;
  display: flex;
  align-items: center;
  gap: 4px;
}
.chat-status::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #28c840;
  box-shadow: 0 0 6px #28c840;
}

.chat-messages {
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 280px;
}

.chat-bubble {
  max-width: 82%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 0.9rem;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.chat-bubble.visible {
  opacity: 1;
  transform: translateY(0);
}
.chat-bubble.user-msg {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-white);
  border-bottom-right-radius: 4px;
}
.chat-bubble.lit-msg {
  align-self: flex-start;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-bottom-left-radius: 4px;
}
.chat-bubble .time {
  display: block;
  font-size: 0.65rem;
  color: rgba(255,255,255,0.45);
  margin-top: 6px;
  text-align: right;
}

.chat-typing {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  border-bottom-left-radius: 4px;
  align-self: flex-start;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.chat-typing.visible { opacity: 1; }
.chat-typing span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: typingDot 1.4s infinite;
}
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingDot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%            { transform: translateY(-5px); opacity: 1; }
}

.chat-input-bar {
  border-top: 1px solid var(--color-border);
  padding: 14px 20px;
  display: flex;
  gap: 10px;
  align-items: center;
  background: rgba(10,10,10,0.5);
}
.chat-input-fake {
  flex: 1;
  height: 36px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}
.chat-send-btn {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.chat-send-btn svg { width: 16px; height: 16px; stroke: white; fill: none; }

/* ============================================================
   WHY TYREX
   ============================================================ */
#why {
  padding: 120px 0;
  position: relative;
}

#why::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(123,47,190,0.07) 0%, transparent 70%);
  pointer-events: none;
}

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

.why-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  backdrop-filter: blur(8px);
}
.why-card:hover {
  transform: translateY(-6px);
  border-color: rgba(155,77,235,0.4);
  box-shadow: 0 16px 40px rgba(123,47,190,0.15);
}

.why-icon {
  font-size: 2.2rem;
  margin-bottom: 1.2rem;
  display: block;
  filter: drop-shadow(0 0 8px var(--color-glow));
}

.why-card h3 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-white);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.why-card p {
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ============================================================
   ABOUT
   ============================================================ */
#about {
  padding: 120px 0;
  position: relative;
  text-align: center;
}

.about-logo-wrap {
  position: relative;
  display: inline-block;
  margin-bottom: 3rem;
}

.about-logo-wrap img {
  height: 160px;
  width: auto;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  animation: logoFloat 4s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); filter: drop-shadow(0 0 20px rgba(123,47,190,0.5)); }
  50%       { transform: translateY(-10px); filter: drop-shadow(0 0 36px rgba(191,127,255,0.7)); }
}

.about-logo-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(123,47,190,0.25) 0%, transparent 70%);
  animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.7; transform: translate(-50%, -50%) scale(1); }
  50%       { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
}

.about-text {
  max-width: 640px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
  color: var(--color-text);
  line-height: 1.8;
}

.built-to-lead {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--color-primary), var(--color-highlight));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   CONTACT
   ============================================================ */
#contact {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

#contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 100%, rgba(123,47,190,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.contact-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 3rem 0;
}

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

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
}

.form-field label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  text-transform: uppercase;
  font-weight: 500;
}

.form-field input,
.form-field textarea {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 18px;
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--color-muted); }
.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(123,47,190,0.2);
}
.form-field textarea { min-height: 130px; }

.form-submit {
  margin-top: 8px;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 3rem;
}

.social-link {
  width: 48px; height: 48px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-muted);
  transition: color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.social-link:hover {
  color: var(--color-highlight);
  border-color: var(--color-accent);
  box-shadow: 0 0 16px var(--color-glow);
  transform: translateY(-3px);
}
.social-link svg { width: 20px; height: 20px; stroke: currentColor; fill: none; }

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  border-top: 1px solid var(--color-border);
  padding: 48px 0 32px;
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand img {
  height: 36px;
  margin-bottom: 12px;
  filter: drop-shadow(0 0 8px var(--color-glow));
}

.footer-tagline {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--color-muted);
  text-transform: uppercase;
}

.footer-links h4 {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--color-highlight); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--color-muted);
}

.footer-bottom .heart {
  background: linear-gradient(135deg, var(--color-primary), var(--color-highlight));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  opacity: 0;
  transition: opacity 0.6s ease;
}
.fade-in.visible { opacity: 1; }

/* Stagger children */
.stagger > * { transition-delay: calc(var(--i, 0) * 0.1s); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .lit-inner { grid-template-columns: 1fr; gap: 60px; }
  .footer-inner { flex-wrap: wrap; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .mobile-nav { display: flex; }

  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .why-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .built-to-lead { letter-spacing: 0.12em; }
}

/* ============================================================
   NOTIFICATION TOAST
   ============================================================ */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: rgba(15,15,20,0.95);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 16px 24px;
  color: var(--color-text);
  font-size: 0.9rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5), 0 0 20px var(--color-glow);
  z-index: 9999;
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
  backdrop-filter: blur(12px);
  max-width: 300px;
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}