/* ═══════════════════════════════════════════════════════
   TechInform 2026 — Ultra-Premium Design System
   Glassmorphism · Neon Accents · Spring Animations · 3D
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@500;600&display=swap');

/* ─── Design Tokens ─── */
:root {
  --bg-primary:    #060b18;
  --bg-secondary:  #080f1e;
  --bg-card:       #0d1628;
  --bg-glass:      rgba(13, 22, 40, 0.72);
  --surface:       #111c35;

  --text-primary:   #f0f4ff;
  --text-secondary: #8b9dc3;
  --text-muted:     #4a5980;

  --accent:        #5c6ef8;
  --accent-2:      #a855f7;
  --accent-3:      #06d6a0;
  --neon-blue:     #4df3ff;
  --amber:         #fbbf24;
  --whatsapp:      #25d366;
  --telegram:      #229ED9;

  --grad-hero:    linear-gradient(135deg, #5c6ef8 0%, #a855f7 50%, #f472b6 100%);
  --grad-text:    linear-gradient(135deg, #4df3ff 0%, #a855f7 50%, #f472b6 100%);
  --grad-cta:     linear-gradient(135deg, #5c6ef8 0%, #a855f7 100%);
  --grad-card:    linear-gradient(145deg, rgba(92,110,248,0.06) 0%, rgba(168,85,247,0.04) 100%);

  --border:       rgba(255, 255, 255, 0.06);
  --border-glow:  rgba(92, 110, 248, 0.35);
  --border-glass: rgba(255, 255, 255, 0.10);

  --shadow-sm:   0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:   0 8px 24px rgba(0,0,0,0.5);
  --shadow-lg:   0 20px 60px rgba(0,0,0,0.6);
  --shadow-xl:   0 40px 100px rgba(0,0,0,0.7);
  --shadow-neon: 0 0 30px rgba(92,110,248,0.4), 0 0 80px rgba(168,85,247,0.2);
  --shadow-card: 0 8px 32px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.08);

  --space-xs:  4px;  --space-sm: 8px;  --space-md: 16px;
  --space-lg: 24px;  --space-xl: 32px; --space-2xl: 48px;
  --space-3xl: 64px; --space-4xl: 96px; --space-5xl: 128px;

  --font:      'Space Grotesk', 'Inter', -apple-system, system-ui, sans-serif;
  --font-body: 'Inter', -apple-system, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --r-sm: 8px; --r-md: 14px; --r-lg: 20px;
  --r-xl: 28px; --r-2xl: 36px; --r-full: 9999px;

  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast:   0.18s;
  --dur-normal: 0.38s;
  --dur-slow:   0.65s;

  --header-h: 76px;
}

/* Light theme */
[data-theme="light"] {
  --bg-primary:    #f4f6ff;
  --bg-secondary:  #eef1fb;
  --bg-card:       #ffffff;
  --bg-glass:      rgba(255,255,255,0.85);
  --surface:       #ffffff;
  --text-primary:  #0c1130;
  --text-secondary:#374151;
  --text-muted:    #9ca3af;
  --accent:        #4f46e5;
  --accent-2:      #9333ea;
  --accent-3:      #059669;
  --neon-blue:     #4f46e5;
  --border:        rgba(100,116,170,0.12);
  --border-glow:   rgba(79,70,229,0.3);
  --border-glass:  rgba(100,116,170,0.18);
  --shadow-sm:     0 2px 8px rgba(0,0,0,0.07);
  --shadow-md:     0 8px 24px rgba(0,0,0,0.10);
  --shadow-lg:     0 20px 60px rgba(0,0,0,0.12);
  --shadow-card:   0 4px 24px rgba(79,70,229,0.08), inset 0 1px 0 rgba(255,255,255,0.9);
  --shadow-neon:   0 0 20px rgba(79,70,229,0.2);
  --grad-hero:     linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #ec4899 100%);
  --grad-text:     linear-gradient(135deg, #4f46e5 0%, #9333ea 60%, #ec4899 100%);
  --grad-cta:      linear-gradient(135deg, #4f46e5 0%, #9333ea 100%);
  --grad-card:     linear-gradient(145deg, rgba(79,70,229,0.04) 0%, rgba(147,51,234,0.03) 100%);
}

/* ─── Reset ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 1rem; line-height: 1.65;
  color: var(--text-primary); background: var(--bg-primary);
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
section { position: relative; }
.container { max-width: 1220px; margin: 0 auto; padding: 0 var(--space-lg); }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; }

/* ─── Gradient text ─── */
.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: grad-shift 5s ease-in-out infinite;
}
@keyframes grad-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ─── Badge ─── */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px; border-radius: var(--r-full);
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.04em;
}

/* ═══ HEADER ═══ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100; height: var(--header-h);
}
.site-header::before {
  content: ''; position: absolute; inset: 0;
  background: var(--bg-glass);
  backdrop-filter: saturate(180%) blur(28px);
  -webkit-backdrop-filter: saturate(180%) blur(28px);
  border-bottom: 1px solid var(--border-glass);
  transition: box-shadow var(--dur-normal) var(--ease-out);
}
.site-header.scrolled::before {
  box-shadow: 0 4px 40px rgba(0,0,0,0.5), inset 0 -1px 0 var(--border-glow);
}
.header-inner {
  position: relative; display: flex;
  align-items: center; height: 100%;
  gap: var(--space-lg); z-index: 1;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font); font-weight: 800; font-size: 1.1rem;
  letter-spacing: -0.02em; flex-shrink: 0;
}
.logo-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-mark {
  width: 38px; height: 38px; border-radius: var(--r-sm);
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(92,110,248,0.5));
}
.main-nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav-link {
  display: inline-flex; align-items: center;
  padding: 8px 14px; font-family: var(--font);
  font-size: 0.875rem; font-weight: 600;
  color: var(--text-secondary); border-radius: var(--r-full);
  transition: all var(--dur-fast) var(--ease-out); white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary); background: rgba(255,255,255,0.07);
}
[data-theme="light"] .nav-link:hover,
[data-theme="light"] .nav-link.active {
  background: rgba(79,70,229,0.08); color: var(--accent);
}
.header-actions { display: flex; align-items: center; gap: var(--space-sm); margin-left: var(--space-sm); }
.theme-toggle {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-full);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  transition: all var(--dur-normal) var(--ease-spring);
}
.theme-toggle:hover { transform: rotate(20deg) scale(1.1); color: var(--text-primary); }
[data-theme="light"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="light"] .theme-toggle { background: rgba(0,0,0,0.05); border-color: rgba(0,0,0,0.08); }

.burger {
  display: none; width: 40px; height: 40px;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px; z-index: 110;
}
.burger span {
  display: block; width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px;
  transition: transform var(--dur-normal) var(--ease-spring), opacity var(--dur-fast);
}
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══ BUTTONS ═══ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font); font-weight: 700; font-size: 0.875rem;
  border-radius: var(--r-lg); padding: 11px 22px;
  transition: all var(--dur-normal) var(--ease-spring);
  position: relative; white-space: nowrap; overflow: hidden;
}
.btn-primary {
  background: var(--grad-cta); color: #fff;
  box-shadow: 0 4px 24px rgba(92,110,248,0.4), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-primary::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(255,255,255,0.12) 0%, transparent 100%);
  border-radius: inherit;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(92,110,248,0.55); }
.btn-primary:active { transform: translateY(0) scale(0.97); }
.btn-ghost {
  background: rgba(255,255,255,0.04);
  border: 1.5px solid var(--border-glass); color: var(--text-primary);
}
.btn-ghost:hover { border-color: var(--accent); background: rgba(92,110,248,0.08); transform: translateY(-3px); }
[data-theme="light"] .btn-ghost { background: rgba(0,0,0,0.03); border-color: var(--border); }
.btn-lg { padding: 16px 36px; font-size: 1rem; border-radius: var(--r-xl); }
.btn-full { width: 100%; }
.btn-glow::after {
  content: ''; position: absolute; inset: -4px;
  border-radius: inherit; background: var(--grad-hero);
  z-index: -1; opacity: 0; transition: opacity var(--dur-normal); filter: blur(18px);
}
.btn-glow:hover::after { opacity: 0.5; }
.header-cta { white-space: nowrap; }

/* ═══ HERO ═══ */
.hero {
  position: relative; min-height: 100dvh;
  display: flex; align-items: center;
  padding: calc(var(--header-h) + 80px) 0 100px;
  overflow: hidden; background: var(--bg-primary);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(92,110,248,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92,110,248,0.08) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 5%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 5%, transparent 75%);
  animation: grid-pulse 8s ease-in-out infinite;
}
[data-theme="light"] .grid-overlay {
  background-image:
    linear-gradient(rgba(79,70,229,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,70,229,0.06) 1px, transparent 1px);
}
@keyframes grid-pulse { 0%, 100% { opacity: 0.6; } 50% { opacity: 1; } }

.orb { position: absolute; border-radius: 50%; filter: blur(100px); will-change: transform; animation: orb-float 18s ease-in-out infinite; }
.orb-1 { width: 700px; height: 700px; background: radial-gradient(circle, rgba(92,110,248,0.22) 0%, transparent 70%); top: -20%; left: -15%; }
.orb-2 { width: 550px; height: 550px; background: radial-gradient(circle, rgba(168,85,247,0.18) 0%, transparent 70%); top: 10%; right: -10%; animation-delay: -6s; }
.orb-3 { width: 450px; height: 450px; background: radial-gradient(circle, rgba(6,214,160,0.14) 0%, transparent 70%); bottom: -10%; left: 30%; animation-delay: -12s; }
.orb-4 { width: 300px; height: 300px; background: radial-gradient(circle, rgba(244,114,182,0.12) 0%, transparent 70%); top: 55%; left: 5%; animation-delay: -3s; }
@keyframes orb-float {
  0%, 100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(40px,-35px) scale(1.08); }
  66% { transform: translate(-30px,25px) scale(0.92); }
}

.hero-inner { position: relative; z-index: 2; text-align: center; max-width: 900px; margin: 0 auto; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 20px 8px 14px;
  background: rgba(92,110,248,0.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(92,110,248,0.3);
  border-radius: var(--r-full);
  font-family: var(--font); font-size: 0.82rem; font-weight: 700;
  color: var(--neon-blue); margin-bottom: 32px;
  box-shadow: 0 0 20px rgba(92,110,248,0.15), inset 0 1px 0 rgba(255,255,255,0.1);
  animation: fadeUp 0.7s var(--ease-out) both; letter-spacing: 0.02em;
}
[data-theme="light"] .hero-badge { color: var(--accent); background: rgba(79,70,229,0.08); border-color: rgba(79,70,229,0.25); }

.pulse-dot {
  width: 8px; height: 8px; background: var(--accent-3); border-radius: 50%;
  position: relative; flex-shrink: 0; box-shadow: 0 0 8px var(--accent-3);
}
.pulse-dot::after {
  content: ''; position: absolute; inset: -4px;
  border-radius: 50%; border: 1.5px solid var(--accent-3);
  animation: pulse-ring 2s ease-out infinite;
}
@keyframes pulse-ring { 0% { transform: scale(1); opacity: 0.8; } 100% { transform: scale(2.5); opacity: 0; } }

.hero-title {
  font-family: var(--font);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 900; line-height: 1.02; letter-spacing: -0.04em;
  margin-bottom: 24px; animation: fadeUp 0.7s var(--ease-out) 0.1s both;
  color: var(--text-primary);
}
.hero-subtitle {
  font-size: clamp(1rem, 2.2vw, 1.2rem); color: var(--text-secondary);
  max-width: 640px; margin: 0 auto 40px; line-height: 1.8;
  animation: fadeUp 0.7s var(--ease-out) 0.2s both;
}
.hero-actions {
  display: flex; align-items: center; justify-content: center;
  gap: 16px; flex-wrap: wrap; margin-bottom: 72px;
  animation: fadeUp 0.7s var(--ease-out) 0.3s both;
}
.hero-stats {
  display: flex; align-items: center; justify-content: center;
  gap: 16px; flex-wrap: wrap;
  animation: fadeUp 0.7s var(--ease-out) 0.4s both;
}
.stat-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-glass); border-radius: var(--r-xl);
  padding: 20px 28px; text-align: center; backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card); transition: all var(--dur-normal) var(--ease-spring); min-width: 140px;
}
[data-theme="light"] .stat-card { background: rgba(255,255,255,0.8); }
.stat-card:hover { transform: translateY(-6px); border-color: var(--border-glow); box-shadow: var(--shadow-neon), var(--shadow-card); }
.stat-number {
  display: block; font-family: var(--font); font-size: 1.8rem; font-weight: 900;
  letter-spacing: -0.04em; background: var(--grad-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 4px;
}
.stat-label { font-size: 0.72rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(32px); } to { opacity: 1; transform: translateY(0); } }

/* ═══ TECH STRIP ═══ */
.tech-strip {
  padding: 18px 0; background: var(--surface);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  overflow: hidden; position: relative;
}
.tech-strip::before, .tech-strip::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 120px; z-index: 2; pointer-events: none;
}
.tech-strip::before { left: 0; background: linear-gradient(to right, var(--surface), transparent); }
.tech-strip::after { right: 0; background: linear-gradient(to left, var(--surface), transparent); }
.tech-ticker { display: flex; gap: 48px; width: max-content; animation: marquee 30s linear infinite; }
.tech-ticker .tech-item {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font); font-size: 0.82rem; font-weight: 700;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.12em; white-space: nowrap;
}
.tech-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); flex-shrink: 0; box-shadow: 0 0 6px var(--accent); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ═══ SECTION SHARED ═══ */
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font); font-size: 0.72rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--accent); background: rgba(92,110,248,0.1);
  border: 1px solid rgba(92,110,248,0.2); padding: 6px 18px;
  border-radius: var(--r-full); margin-bottom: 16px;
}
[data-theme="light"] .section-tag { background: rgba(79,70,229,0.08); border-color: rgba(79,70,229,0.2); }
.section-header h2 {
  font-family: var(--font); font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 16px; color: var(--text-primary);
}
.section-lead { font-size: 1.08rem; color: var(--text-secondary); max-width: 580px; margin: 0 auto; line-height: 1.8; }

/* ═══ SERVICES ═══ */
.services { padding: var(--space-5xl) 0; background: var(--bg-secondary); position: relative; }
.services::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
}
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 0; }
.service-card {
  display: flex; flex-direction: column; padding: 32px;
  background: var(--bg-card); border-radius: var(--r-xl);
  position: relative; overflow: hidden;
  transition: all var(--dur-normal) var(--ease-spring);
  text-decoration: none; color: var(--text-primary) !important;
  box-shadow: var(--shadow-card); border: 1px solid var(--border-glass);
}
.service-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad-cta); transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur-slow) var(--ease-out);
  border-radius: var(--r-sm) var(--r-sm) 0 0;
}
.service-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-neon), var(--shadow-lg); border-color: rgba(92,110,248,0.3); }
.service-card:hover::after { transform: scaleX(1); }
.service-icon {
  width: 56px; height: 56px; background: rgba(92,110,248,0.1);
  border: 1px solid rgba(92,110,248,0.2); border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; transition: all var(--dur-normal) var(--ease-spring); flex-shrink: 0;
}
.service-card:hover .service-icon { background: var(--grad-cta); border-color: transparent; transform: scale(1.12) rotate(-5deg); box-shadow: 0 8px 24px rgba(92,110,248,0.4); }
.service-icon svg { width: 26px; height: 26px; color: var(--accent); transition: color var(--dur-fast); }
.service-card:hover .service-icon svg { color: #fff; }
.service-card h3 { font-family: var(--font); font-size: 1.15rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px; color: var(--text-primary) !important; }
.service-card p { font-size: 0.9rem; color: var(--text-secondary) !important; line-height: 1.7; flex-grow: 1; }
.service-link { margin-top: 20px; font-family: var(--font); font-size: 0.85rem; font-weight: 700; color: var(--accent) !important; display: inline-flex; align-items: center; gap: 6px; transition: gap var(--dur-fast); }
.service-card:hover .service-link { gap: 10px; }

/* ═══ PROCESS ═══ */
.process { padding: var(--space-5xl) 0; background: var(--bg-primary); position: relative; overflow: hidden; }
.process::before { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 800px; height: 800px; background: radial-gradient(circle, rgba(92,110,248,0.06) 0%, transparent 70%); pointer-events: none; }
.process-timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); position: relative; }
.process-timeline::before { content: ''; position: absolute; top: 33px; left: calc(12.5% + 16px); right: calc(12.5% + 16px); height: 1px; background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3)); opacity: 0.3; }
.process-step { text-align: center; }
.step-marker { width: 66px; height: 66px; margin: 0 auto 20px; background: var(--bg-card); border: 1px solid var(--border-glass); border-radius: var(--r-full); display: flex; align-items: center; justify-content: center; position: relative; z-index: 2; box-shadow: var(--shadow-card); transition: all var(--dur-normal) var(--ease-spring); }
.process-step:hover .step-marker { background: var(--grad-cta); border-color: transparent; transform: scale(1.2); box-shadow: var(--shadow-neon); }
.step-num { font-family: var(--font-mono); font-size: 1.1rem; font-weight: 700; background: var(--grad-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.process-step:hover .step-num { -webkit-text-fill-color: #fff; background: none; }
.step-duration { display: inline-block; font-family: var(--font-mono); font-size: 0.7rem; color: var(--accent); background: rgba(92,110,248,0.1); border: 1px solid rgba(92,110,248,0.2); padding: 3px 12px; border-radius: var(--r-full); margin-bottom: 10px; font-weight: 600; }
.step-content h3 { font-family: var(--font); font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; color: var(--text-primary); }
.step-content p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.65; }

/* ═══ PORTFOLIO ═══ */
.portfolio { padding: var(--space-5xl) 0; background: var(--bg-secondary); position: relative; }
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.portfolio-card { background: var(--bg-card); border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--shadow-card); transition: all var(--dur-normal) var(--ease-spring); position: relative; border: 1px solid var(--border-glass); }
.portfolio-card:hover { transform: translateY(-12px); box-shadow: var(--shadow-neon), var(--shadow-xl); border-color: rgba(92,110,248,0.3); }
.portfolio-visual { height: 230px; background: var(--surface); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: center; overflow: hidden; position: relative; }
.portfolio-visual img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform var(--dur-slow) var(--ease-out); }
.portfolio-card:hover .portfolio-visual img { transform: scale(1.06); }
.portfolio-body { padding: 24px; }
.portfolio-tag { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font); font-size: 0.7rem; font-weight: 800; color: var(--accent); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 10px; }
.portfolio-body h3 { font-family: var(--font); font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); letter-spacing: -0.02em; }
.portfolio-body p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; }

/* Portfolio mocks (legacy support) */
.mock-crm { width: 100%; }
.mock-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.mock-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); opacity: 0.5; flex-shrink: 0; }
.mock-bar { height: 8px; width: var(--w); background: var(--grad-cta); border-radius: 4px; opacity: 0.3; transition: opacity var(--dur-normal); }
.portfolio-card:hover .mock-bar { opacity: 0.7; }
.mock-chart { display: flex; align-items: flex-end; gap: 6px; height: 80px; margin-top: var(--space-md); }
.mock-chart span { flex: 1; height: var(--h); background: var(--grad-cta); border-radius: 4px 4px 0 0; opacity: 0.25; transition: all var(--dur-normal) var(--ease-spring); }
.portfolio-card:hover .mock-chart span { opacity: 0.6; transform: scaleY(1.08); }
.mock-phone { width: 120px; height: 180px; background: var(--surface); border: 2px solid var(--border-glass); border-radius: 20px; padding: 12px 8px; }
.mock-notch { width: 40px; height: 6px; background: var(--border-glass); border-radius: 3px; display: block; margin: 0 auto 12px; }
.mock-screen { display: flex; flex-direction: column; gap: 8px; }
.mock-card-block { height: 40px; background: rgba(92,110,248,0.1); border-radius: 8px; }
.mock-line { height: 6px; background: var(--surface); border-radius: 3px; }
.mock-line.short { width: 60%; }
.mock-button { height: 24px; background: var(--grad-cta); border-radius: 6px; opacity: 0.5; margin-top: 4px; }
.mock-chat-demo { display: flex; flex-direction: column; gap: 8px; width: 100%; }
.chat-bubble { display: inline-block; padding: 8px 14px; border-radius: 16px; font-size: 0.875rem; max-width: 80%; line-height: 1.4; }
.chat-bubble.bot { background: rgba(92,110,248,0.1); color: var(--text-primary); align-self: flex-start; border-bottom-left-radius: 4px; }
.chat-bubble.user { background: var(--grad-cta); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }

/* ═══ REVIEWS ═══ */
.reviews { padding: var(--space-5xl) 0; }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review-card { background: var(--bg-card); border: 1px solid var(--border-glass); border-radius: var(--r-xl); padding: 28px; position: relative; box-shadow: var(--shadow-card); transition: all var(--dur-normal) var(--ease-spring); overflow: hidden; }
.review-card::before { content: '"'; position: absolute; top: 8px; left: 20px; font-size: 90px; font-weight: 900; background: var(--grad-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; opacity: 0.08; line-height: 1; pointer-events: none; font-family: Georgia, serif; }
.review-card::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--grad-cta); transform: scaleX(0); transition: transform var(--dur-normal) var(--ease-out); }
.review-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-neon), var(--shadow-lg); }
.review-card:hover::after { transform: scaleX(1); }
.review-stars { color: var(--amber); font-size: 1rem; letter-spacing: 3px; margin-bottom: 16px; }
.review-text { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.8; font-style: italic; margin-bottom: 20px; }
.review-author { font-family: var(--font); font-size: 0.85rem; font-weight: 700; color: var(--text-primary); }

/* ═══ CONTACT ═══ */
.contact { padding: var(--space-5xl) 0; background: var(--bg-secondary); position: relative; }
.contact::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--border-glow), transparent); }
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-channels { display: flex; flex-direction: column; gap: 12px; margin-top: 28px; }
.contact-channel { display: flex; align-items: center; gap: 16px; padding: 16px 20px; background: var(--bg-card); border: 1px solid var(--border-glass); border-radius: var(--r-xl); box-shadow: var(--shadow-card); transition: all var(--dur-normal) var(--ease-spring); }
.contact-channel:hover { transform: translateX(8px); border-color: var(--border-glow); box-shadow: var(--shadow-neon), var(--shadow-card); }
.contact-channel svg { width: 24px; height: 24px; flex-shrink: 0; color: var(--text-muted); transition: color var(--dur-fast); }
.contact-channel.whatsapp:hover svg { color: var(--whatsapp); }
.contact-channel.telegram:hover svg { color: var(--telegram); }
.contact-channel div { display: flex; flex-direction: column; }
.contact-channel strong { font-family: var(--font); font-size: 1rem; font-weight: 700; }
.contact-channel span { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }
.contact-form { background: var(--bg-card); border: 1px solid var(--border-glass); border-radius: var(--r-2xl); padding: 36px; display: flex; flex-direction: column; gap: 16px; box-shadow: var(--shadow-card); position: relative; overflow: hidden; }
.contact-form::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--grad-cta); }
.form-field { position: relative; }
.form-field input, .form-field textarea { width: 100%; padding: 15px 18px; background: rgba(255,255,255,0.04); border: 1.5px solid var(--border-glass); border-radius: var(--r-md); font-size: 0.95rem; color: var(--text-primary); outline: none; transition: border-color var(--dur-fast), box-shadow var(--dur-fast), background var(--dur-fast); }
.form-field input:focus, .form-field textarea:focus { border-color: var(--accent); background: rgba(92,110,248,0.06); box-shadow: 0 0 0 3px rgba(92,110,248,0.15); }
.form-field label { position: absolute; left: 18px; top: 15px; color: var(--text-muted); font-size: 0.95rem; pointer-events: none; transition: all var(--dur-fast) var(--ease-out); padding: 0 4px; background: transparent; }
.form-field input:focus + label,
.form-field input:not(:placeholder-shown) + label,
.form-field textarea:focus + label,
.form-field textarea:not(:placeholder-shown) + label {
  top: -9px; font-size: 0.75rem; font-weight: 700; color: var(--accent); background: var(--bg-card);
}
.form-field select { width: 100%; padding: 15px 18px; background: rgba(255,255,255,0.04); border: 1.5px solid var(--border-glass); border-radius: var(--r-md); font-size: 0.95rem; color: var(--text-primary); outline: none; appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%234a5980' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 6l3.5 4 3.5-4z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; transition: border-color var(--dur-fast), box-shadow var(--dur-fast); }
.form-field select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(92,110,248,0.15); }
.form-success { text-align: center; color: var(--accent-3); font-weight: 600; font-size: 0.875rem; min-height: 20px; }
[data-theme="light"] .form-field input, [data-theme="light"] .form-field textarea, [data-theme="light"] .form-field select { background: var(--bg-secondary); border-color: var(--border); }
[data-theme="light"] .form-field label { color: var(--text-muted); }
[data-theme="light"] .form-field input:focus + label, [data-theme="light"] .form-field textarea:focus + label { background: var(--bg-card); }

/* ═══ FOOTER ═══ */
.site-footer { padding: 48px 0 32px; border-top: 1px solid var(--border); background: var(--bg-primary); position: relative; }
.site-footer::before { content: ''; position: absolute; top: -1px; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--border-glow), transparent); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font); font-weight: 800; font-size: 1.05rem; }
.footer-links { display: flex; gap: var(--space-lg); }
.footer-links a { font-size: 0.875rem; color: var(--text-muted); transition: color var(--dur-fast); }
.footer-links a:hover { color: var(--accent); }
.footer-social { display: flex; align-items: center; gap: 10px; }
.footer-social a { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; background: var(--surface); border: 1px solid var(--border-glass); border-radius: var(--r-full); color: var(--text-secondary); transition: all var(--dur-normal) var(--ease-spring); }
.footer-social a:hover { background: var(--accent); border-color: transparent; color: #fff; transform: translateY(-3px); box-shadow: 0 6px 20px rgba(92,110,248,0.4); }
.footer-copy { width: 100%; text-align: center; font-size: 0.8rem; color: var(--text-muted); margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--border); }

/* ═══ BACK TO TOP ═══ */
.back-to-top { position: fixed; bottom: 100px; right: 24px; width: 46px; height: 46px; background: var(--bg-card); backdrop-filter: blur(12px); border: 1px solid var(--border-glass); border-radius: var(--r-full); display: flex; align-items: center; justify-content: center; z-index: 50; opacity: 0; transform: translateY(16px); pointer-events: none; box-shadow: var(--shadow-card); transition: all var(--dur-normal) var(--ease-spring); color: var(--text-secondary); }
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { background: var(--grad-cta); border-color: transparent; color: #fff; transform: translateY(-4px); box-shadow: var(--shadow-neon); }
.back-to-top svg { width: 20px; height: 20px; }

/* ═══ FAB ═══ */
.fab-widget { position: fixed; bottom: 24px; right: 24px; z-index: 90; display: flex; flex-direction: column-reverse; align-items: center; gap: 12px; }
.fab-main { width: 60px; height: 60px; background: var(--grad-cta); border-radius: var(--r-full); display: flex; align-items: center; justify-content: center; color: #fff; position: relative; box-shadow: 0 8px 30px rgba(92,110,248,0.5), inset 0 1px 0 rgba(255,255,255,0.2); transition: all var(--dur-normal) var(--ease-spring); }
.fab-main:hover { transform: scale(1.12); box-shadow: 0 12px 45px rgba(92,110,248,0.65); }
.fab-main svg { width: 24px; height: 24px; }
.fab-icon-close { display: none; }
.fab-widget.open .fab-icon-chat { display: none; }
.fab-widget.open .fab-icon-close { display: block; }
.fab-pulse { position: absolute; inset: -6px; border-radius: 50%; border: 2px solid var(--accent); animation: pulse-ring 2.5s ease-out infinite; }
.fab-widget.open .fab-pulse { display: none; }
.fab-menu { display: flex; flex-direction: column; gap: 10px; opacity: 0; transform: translateY(12px) scale(0.88); pointer-events: none; transition: all var(--dur-normal) var(--ease-spring); }
.fab-widget.open .fab-menu { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.fab-item { width: 50px; height: 50px; border-radius: var(--r-full); display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg); transition: transform var(--dur-normal) var(--ease-spring); }
.fab-item:hover { transform: scale(1.15); }
.fab-whatsapp { background: var(--whatsapp); color: #fff; }
.fab-telegram { background: var(--telegram); color: #fff; }
.fab-item svg { width: 24px; height: 24px; }

/* ═══ INNER PAGES ═══ */
.card { background: var(--bg-card); border: 1px solid var(--border-glass); border-radius: var(--r-xl); box-shadow: var(--shadow-card); transition: all 0.35s var(--ease-spring); overflow: hidden; }
.card:hover { transform: translateY(-6px); border-color: var(--border-glow); box-shadow: var(--shadow-neon), var(--shadow-lg); }
.card-thumb { width: 100%; height: 210px; object-fit: cover; border-radius: var(--r-lg); display: block; margin-bottom: 16px; background: var(--surface); }
.portfolio-visual img { width: 100%; height: 100%; object-fit: cover; display: block; }
.logo-mark { width: 38px; height: 38px; object-fit: contain; border-radius: var(--r-sm); display: block; }
.page-hero { padding: calc(var(--header-h) + 64px) 0 72px; background: var(--bg-primary); text-align: center; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 800px; height: 400px; background: radial-gradient(ellipse, rgba(92,110,248,0.15) 0%, transparent 70%); pointer-events: none; }
.page-hero h1 { font-family: var(--font); font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 900; letter-spacing: -0.04em; line-height: 1.1; margin-bottom: 16px; }
.page-hero p { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; line-height: 1.8; }

/* Scroll animation fallback */
.reveal { opacity: 1 !important; transform: none !important; }
.reveal.visible { opacity: 1 !important; transform: none !important; }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 1024px) {
  .services-grid, .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .process-timeline { grid-template-columns: repeat(2, 1fr); }
  .process-timeline::before { display: none; }
}
@media (max-width: 768px) {
  :root { --header-h: 68px; }
  .main-nav { position: fixed; inset: 0; background: var(--bg-primary); flex-direction: column; align-items: center; justify-content: center; gap: var(--space-lg); opacity: 0; pointer-events: none; transition: opacity var(--dur-normal); z-index: 100; }
  .main-nav.open { opacity: 1; pointer-events: auto; }
  .main-nav .nav-link { font-size: 1.4rem; font-weight: 700; }
  .burger { display: flex; }
  .header-cta { display: none; }
  .hero-stats { gap: 12px; }
  .stat-card { min-width: 100px; padding: 16px 20px; }
  .services-grid, .portfolio-grid, .reviews-grid { grid-template-columns: 1fr; }
  .process-timeline { grid-template-columns: 1fr; gap: 32px; }
  .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links, .footer-social { justify-content: center; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 2.2rem; }
  .container { padding: 0 var(--space-md); }
  .hero-stats { flex-direction: column; align-items: stretch; }
  .stat-card { min-width: unset; }
  .contact-form { padding: 24px 20px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}