/* ============================================================
   SOYNET Landing Page — Main Stylesheet
   Tech-Forward · Minimal · Global
============================================================ */

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', 'Noto Sans KR', sans-serif;
  background: #050a14;
  color: #e2e8f0;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* === CSS VARIABLES === */
:root {
  --blue-primary: #2979ff;
  --blue-bright:  #4d9fff;
  --blue-glow:    rgba(41,121,255,0.35);
  --cyan:         #00e5ff;
  --cyan-dim:     rgba(0,229,255,0.15);
  --dark-bg:      #050a14;
  --dark-card:    #0c1424;
  --dark-alt:     #080e1c;
  --border:       rgba(255,255,255,0.08);
  --border-blue:  rgba(41,121,255,0.3);
  --text-primary: #f0f4ff;
  --text-secondary:#94a3b8;
  --text-muted:   #64748b;
  --radius:       12px;
  --radius-lg:    20px;
  --transition:   0.35s cubic-bezier(0.4,0,0.2,1);
  --header-h:     72px;
}

/* === SCROLL PROGRESS === */
#scroll-progress {
  position: fixed; top: 0; left: 0; width: 0%;
  height: 2px; background: linear-gradient(90deg, var(--blue-primary), var(--cyan));
  z-index: 9999; transition: width 0.1s linear;
}

/* === CURSOR GLOW === */
#cursor-glow {
  position: fixed; width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(41,121,255,0.06) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
  transform: translate(-50%, -50%);
  transition: transform 0.08s ease;
}

/* === CONTAINER === */
.container {
  max-width: 1200px; margin: 0 auto;
  padding: 0 2rem;
}

/* === HEADER === */
#main-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-h); z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}
#main-header.scrolled {
  background: rgba(5,10,20,0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 1px 0 var(--border);
}
.header-inner {
  max-width: 1280px; margin: 0 auto;
  height: 100%; padding: 0 2rem;
  display: flex; align-items: center; gap: 2rem;
}
.logo { display: flex; align-items: center; }
.logo-text {
  font-family: 'Inter', sans-serif;
  font-size: 1.35rem; font-weight: 800;
  letter-spacing: 0.12em; color: var(--text-primary);
}
.logo-accent { color: var(--blue-primary); }

.main-nav {
  display: flex; gap: 0.2rem; margin-left: auto;
}
.nav-link {
  font-size: 0.82rem; font-weight: 500;
  letter-spacing: 0.04em; color: var(--text-secondary);
  padding: 0.45rem 0.9rem; border-radius: 6px;
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.nav-link::after {
  content: ''; position: absolute; bottom: -2px; left: 50%; right: 50%;
  height: 2px; background: var(--blue-primary);
  transition: left var(--transition), right var(--transition);
  border-radius: 2px;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}
.nav-link:hover::after, .nav-link.active::after {
  left: 0.9rem; right: 0.9rem;
}
.btn-demo {
  font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.5rem 1.2rem;
  border: 1.5px solid var(--blue-primary);
  border-radius: 6px; color: var(--blue-bright);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn-demo:hover {
  background: var(--blue-primary); color: #fff;
}

/* Hamburger */
.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-secondary); border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
  display: none; flex-direction: column; gap: 0;
  background: rgba(8,14,28,0.97);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  padding: 0.5rem 0;
}
.mobile-nav.open { display: flex; }
.mobile-nav-link {
  padding: 0.9rem 2rem; font-size: 0.9rem; font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition), background var(--transition);
}
.mobile-nav-link:hover { color: var(--text-primary); background: rgba(41,121,255,0.06); }
.cta-mobile {
  color: var(--blue-bright); font-weight: 600;
  margin: 0.5rem 1.5rem; border: 1.5px solid var(--blue-primary);
  border-radius: 6px; text-align: center;
}

/* === BUTTONS === */
.btn-primary {
  display: inline-block;
  background: var(--blue-primary);
  color: #fff; font-weight: 600; font-size: 0.9rem;
  letter-spacing: 0.04em;
  padding: 0.75rem 1.8rem; border-radius: 8px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  border: 1.5px solid transparent;
}
.btn-primary:hover {
  background: var(--blue-bright);
  box-shadow: 0 0 24px var(--blue-glow);
  transform: translateY(-2px);
}
.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--blue-bright); font-weight: 600; font-size: 0.9rem;
  letter-spacing: 0.04em;
  padding: 0.75rem 1.8rem; border-radius: 8px;
  border: 1.5px solid var(--blue-primary);
  transition: background var(--transition), transform var(--transition);
}
.btn-secondary:hover {
  background: rgba(41,121,255,0.12);
  transform: translateY(-2px);
}
.btn-large { font-size: 1rem; padding: 0.9rem 2.4rem; border-radius: 10px; }

/* === SECTION COMMONS === */
.section-label {
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--blue-primary); margin-bottom: 1rem;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800; line-height: 1.2;
  color: var(--text-primary); margin-bottom: 1.2rem;
}
.section-sub {
  font-size: 1rem; color: var(--text-secondary);
  line-height: 1.75; margin-bottom: 2rem; max-width: 640px;
}
.alt-bg { background: var(--dark-alt); }
section { padding: 7rem 0; }

/* Fade-in animation */
.fade-in {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1; transform: translateY(0);
}

/* === HERO === */
#hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--dark-bg); padding-top: var(--header-h);
  overflow: hidden;
}
#particle-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0;
}
.hero-grid-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(41,121,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(41,121,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content {
  position: relative; z-index: 1;
  text-align: center; max-width: 820px; padding: 2rem;
}
.hero-eyebrow {
  display: flex; align-items: center; gap: 0.75rem;
  justify-content: center; flex-wrap: wrap;
  font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 2.5rem;
}
.hero-eyebrow .dot { color: var(--blue-primary); }
.hero-headline {
  display: flex; flex-direction: column; gap: 0.2rem;
  margin-bottom: 1.8rem;
}
.hero-headline .line {
  display: block;
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 900; line-height: 1.1;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.hero-headline .line.visible {
  opacity: 1; transform: translateY(0);
}
.hero-headline .line-1 { transition-delay: 0.1s; }
.hero-headline .line-2 { transition-delay: 0.25s; color: var(--blue-bright); }
.hero-headline .line-3 { transition-delay: 0.4s; }

.hero-sub {
  font-size: 1.05rem; color: var(--text-secondary);
  line-height: 1.85; margin-bottom: 2.2rem;
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.7s 0.6s ease, transform 0.7s 0.6s ease;
}
.hero-sub.visible { opacity: 1; transform: translateY(0); }
.hero-cta {
  display: flex; gap: 1rem; justify-content: center;
  flex-wrap: wrap; margin-bottom: 3rem;
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.7s 0.75s ease, transform 0.7s 0.75s ease;
}
.hero-cta.visible { opacity: 1; transform: translateY(0); }
.hero-tags {
  display: flex; gap: 0.6rem; justify-content: center; flex-wrap: wrap;
  opacity: 0; transition: opacity 0.7s 0.9s ease;
}
.hero-tags.visible { opacity: 1; }
.hero-tags span {
  font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-muted); border: 1px solid var(--border);
  padding: 0.3rem 0.8rem; border-radius: 100px;
  background: rgba(255,255,255,0.02);
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute; bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 0.7rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  z-index: 1;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--blue-primary), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.4; transform: scaleY(0.6); }
}

/* === SOLUTIONS OVERVIEW === */
#solutions { background: var(--dark-bg); }
#solutions .section-title,
#solutions .section-sub { text-align: center; margin-left: auto; margin-right: auto; }
#solutions .section-label { text-align: center; }

.solutions-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem; margin-top: 3rem;
}
.sol-card {
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  display: flex; flex-direction: column; gap: 0.8rem;
  cursor: pointer;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative; overflow: hidden;
}
.sol-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(41,121,255,0.04), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.sol-card:hover { border-color: var(--blue-primary); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(41,121,255,0.15); }
.sol-card:hover::before { opacity: 1; }
.sol-card-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(41,121,255,0.12); border: 1px solid var(--border-blue);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-primary); font-size: 1.1rem;
}
.sol-card-number {
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.12em; color: var(--text-muted);
}
.sol-card h3 {
  font-size: 0.95rem; font-weight: 700;
  color: var(--text-primary); line-height: 1.35;
}
.sol-card p {
  font-size: 0.82rem; color: var(--text-secondary); line-height: 1.55; flex: 1;
}
.sol-card-arrow {
  font-size: 0.8rem; color: var(--blue-primary);
  transition: transform var(--transition);
}
.sol-card:hover .sol-card-arrow { transform: translateX(4px); }

/* === SOL SECTION LAYOUT === */
.sol-section { padding: 8rem 0; }
.sol-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}
.sol-inner.reverse .sol-content { order: 2; }
.sol-inner.reverse .sol-visual  { order: 1; }

/* Responsive Video Wrapper */
.video-wrapper {
  position: relative;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
  background: var(--dark-card);
}
.video-wrapper video {
  width: 100%;
  height: auto;
  display: block;
}

.sol-body {
  font-size: 0.97rem; color: var(--text-secondary);
  line-height: 1.85; margin-bottom: 1.8rem;
}
.sol-points {
  display: flex; flex-direction: column; gap: 0.6rem;
  margin-bottom: 2rem;
}
.sol-points li {
  display: flex; align-items: flex-start; gap: 0.6rem;
  font-size: 0.9rem; color: var(--text-secondary);
}
.sol-points li i { color: var(--blue-primary); margin-top: 3px; flex-shrink: 0; }
.sol-quote {
  font-size: 1rem; font-weight: 600;
  color: var(--text-primary); line-height: 1.7;
  border-left: 3px solid var(--blue-primary);
  padding-left: 1.2rem; margin: 1.5rem 0;
}
.sol-note {
  font-size: 0.82rem; color: var(--blue-bright);
  display: flex; align-items: center; gap: 0.5rem;
}

/* === METRICS (SOYNET) === */
.metric-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.metric-card {
  background: var(--dark-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.8rem 1.5rem;
  display: flex; flex-direction: column; align-items: center; gap: 0.25rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.metric-card:hover { border-color: var(--border-blue); box-shadow: 0 0 24px rgba(41,121,255,0.1); }
.metric-card.accent { border-color: rgba(0,229,255,0.2); }
.metric-num {
  font-size: 2.8rem; font-weight: 900;
  color: var(--blue-bright); line-height: 1;
  font-variant-numeric: tabular-nums;
}
.metric-text {
  font-size: 2rem; font-weight: 900;
  color: var(--cyan); line-height: 1.1; text-align: center;
}
.metric-unit {
  font-size: 0.9rem; color: var(--blue-primary); font-weight: 600;
}
.metric-label {
  font-size: 0.78rem; color: var(--text-muted);
  text-align: center; margin-top: 0.25rem;
}

/* === SERVICE LINEUP (CLOUD) === */
.service-lineup {
  display: flex; flex-direction: column; gap: 0.8rem;
}
.sl-item {
  background: var(--dark-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem 1.3rem;
  display: flex; align-items: center; gap: 1rem;
  transition: border-color var(--transition), transform var(--transition);
}
.sl-item:hover { border-color: var(--border-blue); transform: translateX(4px); }
.sl-icon {
  width: 40px; height: 40px; border-radius: 8px;
  background: rgba(41,121,255,0.1);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-primary); font-size: 1rem; flex-shrink: 0;
}
.sl-info { display: flex; flex-direction: column; gap: 2px; }
.sl-info strong { font-size: 0.9rem; color: var(--text-primary); font-weight: 600; }
.sl-info span { font-size: 0.78rem; color: var(--text-muted); }

/* === FLOW DIAGRAM (EVENT) === */
.flow-diagram {
  background: var(--dark-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2rem;
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0.5rem; align-items: center;
  position: relative;
}
.flow-node {
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
  text-align: center;
}
.flow-icon {
  width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.ai-node .flow-icon { background: rgba(41,121,255,0.15); border: 2px solid var(--blue-primary); color: var(--blue-primary); }
.interpreter-node .flow-icon { background: rgba(0,229,255,0.1); border: 2px solid var(--cyan); color: var(--cyan); }
.steno-node .flow-icon { background: rgba(99,102,241,0.15); border: 2px solid #6366f1; color: #818cf8; }
.flow-node span { font-size: 0.78rem; color: var(--text-secondary); font-weight: 500; }
.flow-arrows { color: var(--text-muted); font-size: 0.9rem; }
.flow-center {
  grid-column: 1/-1; text-align: center;
  margin-top: 1.2rem; padding-top: 1.2rem;
  border-top: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
}
.flow-center-icon {
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 1rem;
}
.flow-center span { font-size: 0.8rem; color: var(--text-muted); }

/* === SECURITY DIAGRAM === */
.security-diagram {
  position: relative; display: flex; align-items: center; justify-content: center;
  height: 320px;
}
.sec-layer {
  position: absolute; border-radius: 50%;
  display: flex; align-items: flex-start; justify-content: flex-end;
}
.sec-layer.outer {
  width: 280px; height: 280px;
  border: 1.5px dashed rgba(41,121,255,0.25);
}
.sec-layer.outer span {
  font-size: 0.68rem; color: var(--text-muted); letter-spacing: 0.06em;
  padding: 0.3rem 0.6rem; background: var(--dark-card); border-radius: 4px;
  margin: -0.5rem;
}
.sec-layer.middle {
  width: 200px; height: 200px;
  border: 1.5px solid rgba(41,121,255,0.35);
  background: rgba(41,121,255,0.03);
}
.sec-layer.middle span {
  font-size: 0.68rem; color: var(--blue-primary); letter-spacing: 0.06em;
  padding: 0.3rem 0.6rem; margin: -0.5rem;
}
.sec-layer.inner {
  width: 100px; height: 100px;
  background: linear-gradient(135deg, rgba(41,121,255,0.18), rgba(0,229,255,0.08));
  border: 2px solid var(--blue-primary);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
}
.sec-core {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  color: var(--blue-bright);
}
.sec-core i { font-size: 1.4rem; }
.sec-core span { font-size: 0.62rem; text-align: center; color: var(--cyan); font-weight: 600; letter-spacing: 0.04em; }
.sec-no-internet {
  position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 0.4rem;
  background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3);
  border-radius: 20px; padding: 0.4rem 0.8rem;
  color: #f87171; font-size: 0.72rem;
}

/* === WHY SOYNET === */
.why-section { padding: 8rem 0; }
.why-section .section-title,
.why-section .section-sub { text-align: center; margin-left: auto; margin-right: auto; }
.why-section .section-label { text-align: center; }
.why-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem; margin-top: 3rem;
}
.why-card {
  background: var(--dark-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.why-card:hover { border-color: var(--border-blue); box-shadow: 0 8px 30px rgba(41,121,255,0.1); }
.why-icon {
  width: 48px; height: 48px; border-radius: 10px;
  background: rgba(41,121,255,0.1); border: 1px solid var(--border-blue);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-primary); font-size: 1.1rem;
  margin-bottom: 1.2rem;
}
.why-card h4 {
  font-size: 0.9rem; font-weight: 700; color: var(--text-primary);
  letter-spacing: 0.04em; margin-bottom: 0.5rem;
}
.why-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }
.why-emphasis {
  text-align: center; font-size: 1.1rem; color: var(--text-secondary);
  margin-top: 3.5rem; line-height: 1.8;
}
.why-emphasis strong { color: var(--text-primary); font-weight: 700; }

/* === USE CASES === */
.usecase-section { padding: 8rem 0; background: var(--dark-bg); }
.usecase-section .section-title,
.usecase-section .section-label { text-align: center; }
.usecase-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1rem; margin-top: 3rem;
}
.uc-item {
  display: flex; flex-direction: column; align-items: center; gap: 0.8rem;
  background: var(--dark-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem 1rem;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}
.uc-item:hover { border-color: var(--border-blue); transform: translateY(-3px); }
.uc-item i { font-size: 1.5rem; color: var(--blue-primary); }
.uc-item span { font-size: 0.85rem; color: var(--text-secondary); font-weight: 500; }
.usecase-emphasis {
  text-align: center; font-size: 1.1rem;
  color: var(--text-secondary); margin-top: 3rem;
}

/* === TRUST === */
.trust-section { padding: 8rem 0; }
.trust-section .section-title,
.trust-section .section-sub,
.trust-section .section-label { text-align: center; margin-left: auto; margin-right: auto; }

.trust-badges {
  display: flex; gap: 1rem; justify-content: center;
  flex-wrap: wrap; margin-top: 2.5rem; margin-bottom: 3rem;
}
.badge {
  display: flex; align-items: center; gap: 0.5rem;
  background: rgba(41,121,255,0.08); border: 1px solid var(--border-blue);
  border-radius: 100px; padding: 0.55rem 1.2rem;
  font-size: 0.8rem; font-weight: 600; color: var(--blue-bright);
  transition: background var(--transition);
}
.badge:hover { background: rgba(41,121,255,0.15); }
.badge i { font-size: 0.85rem; }

.awards-list {
  max-width: 780px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 0;
}
.award-item {
  display: flex; gap: 1.5rem; align-items: flex-start;
  padding: 1.1rem 0; border-bottom: 1px solid var(--border);
}
.award-item:last-child { border-bottom: none; }
.award-year {
  font-size: 0.8rem; font-weight: 700; color: var(--blue-primary);
  letter-spacing: 0.08em; flex-shrink: 0; padding-top: 2px; width: 36px;
}
.award-name { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; }

/* === CTA === */
.cta-section {
  padding: 9rem 0; background: var(--dark-bg);
  text-align: center;
  background-image:
    radial-gradient(ellipse 60% 50% at 50% 50%, rgba(41,121,255,0.08), transparent);
}
.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900; color: var(--text-primary);
  line-height: 1.2; margin-bottom: 1.5rem;
}
.cta-sub {
  font-size: 1rem; color: var(--text-secondary);
  line-height: 1.85; margin-bottom: 1rem;
}
.cta-note {
  font-size: 0.88rem; color: var(--text-muted); margin-bottom: 2.5rem;
}
.cta-buttons {
  display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap;
}

/* === FOOTER === */
#footer {
  background: var(--dark-card);
  border-top: 1px solid var(--border);
  padding-top: 4rem;
}
.footer-inner {
  display: grid; grid-template-columns: 1fr 2fr;
  gap: 4rem; padding-bottom: 4rem;
}
.footer-logo {
  font-family: 'Inter', sans-serif;
  font-size: 1.4rem; font-weight: 800;
  letter-spacing: 0.1em; color: var(--text-primary);
  display: block; margin-bottom: 1rem;
}
.footer-tagline {
  font-size: 0.85rem; color: var(--text-muted); line-height: 1.8;
}
.footer-nav-group {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;
}
.footer-col { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col strong {
  font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-primary); margin-bottom: 0.4rem;
}
.footer-col a, .footer-col span {
  font-size: 0.83rem; color: var(--text-muted); line-height: 1.6;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--blue-bright); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 1.2rem 2rem;
  max-width: 1200px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.75rem; color: var(--text-muted);
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1100px) {
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .usecase-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 900px) {
  .sol-inner, .sol-inner.reverse { grid-template-columns: 1fr; gap: 3rem; }
  .sol-inner.reverse .sol-content { order: 1; }
  .sol-inner.reverse .sol-visual  { order: 2; }
  .footer-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-nav-group { grid-template-columns: repeat(2, 1fr); }
  .flow-diagram { grid-template-columns: 1fr; gap: 1rem; }
  .flow-arrows { transform: rotate(90deg); }
}
@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .main-nav, .btn-demo { display: none; }
  .hamburger { display: flex; margin-left: auto; }
  section { padding: 5rem 0; }
  .solutions-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .usecase-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-headline .line { font-size: clamp(1.9rem, 8vw, 3rem); }
  .footer-nav-group { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}
@media (max-width: 480px) {
  .solutions-grid { grid-template-columns: 1fr; }
  .usecase-grid { grid-template-columns: 1fr 1fr; }
  .trust-badges { flex-direction: column; align-items: center; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .footer-nav-group { grid-template-columns: 1fr; }
}