/* ============================================
   VICTOR BAKHMETIEV — LANDING PAGE STYLES
   Modern Glassmorphism + Parallax + 3D
   ============================================ */

:root {
  --white: #ffffff;
  --off-white: #f8f9fc;
  --light-gray: #f0f2f8;
  --mid-gray: #e2e6f0;
  --text-primary: #0d0f1a;
  --text-secondary: #4a5068;
  --text-muted: #8892a4;
  --accent-blue: #4f6ef7;
  --accent-violet: #7c5cfc;
  --accent-indigo: #5b6af5;
  --gradient-main: linear-gradient(135deg, #4f6ef7 0%, #7c5cfc 100%);
  --gradient-soft: linear-gradient(135deg, #e8ecff 0%, #f0e8ff 100%);
  --glass-bg: rgba(255,255,255,0.65);
  --glass-border: rgba(255,255,255,0.8);
  --glass-shadow: 0 8px 40px rgba(79,110,247,0.12);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--white);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}

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

/* ============ TYPOGRAPHY ============ */
.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-violet);
  background: rgba(124,92,252,0.08);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 560px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header .section-sub { margin: 0 auto; }

/* ============ FLOATING MESSENGERS ============ */
.messenger-float {
  position: fixed;
  right: 28px;
  bottom: 36px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.messenger-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--white);
  padding: 5px 12px;
  border-radius: 100px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  opacity: 0;
  transform: translateX(10px);
  transition: var(--transition);
}

.messenger-float:hover .messenger-label {
  opacity: 1;
  transform: translateX(0);
}

.msg-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  transition: var(--transition);
  position: relative;
}

.msg-btn svg { width: 26px; height: 26px; }

.msg-btn:hover {
  transform: scale(1.12) translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.25);
}

.msg-btn.tg { background: linear-gradient(135deg, #2aabee, #229ed9); }
.msg-btn.wa { background: linear-gradient(135deg, #25d366, #128c7e); }

.msg-btn::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: inherit;
  opacity: 0.3;
  animation: pulse-ring 2.5s ease-out infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.3; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ============ NAVBAR ============ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 16px 0;
  transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.navbar.scrolled {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(79,110,247,0.1);
  padding: 10px 0;
  box-shadow: 0 4px 30px rgba(79,110,247,0.08);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.nav-logo-img {
  width: 38px;
  height: 38px;
  max-width: 38px;
  max-height: 38px;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-vb {
  width: 38px;
  height: 38px;
  background: var(--gradient-main);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: white;
  letter-spacing: -0.03em;
  flex-shrink: 0;
}

.logo-text {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 10px;
  transition: var(--transition);
}

.nav-links a:hover { color: var(--accent-blue); background: rgba(79,110,247,0.06); }

.nav-cta {
  background: var(--gradient-main) !important;
  color: white !important;
  padding: 9px 20px !important;
  border-radius: 12px !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 16px rgba(79,110,247,0.35);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(79,110,247,0.45) !important; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.burger span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
  display: block;
}

/* ============ MOBILE MENU ============ */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  z-index: 850;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.mobile-menu.open { opacity: 1; pointer-events: all; }

.mobile-menu ul { list-style: none; text-align: center; }
.mobile-menu ul li { margin: 16px 0; }
.mm-link {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}
.mm-link:hover { color: var(--accent-violet); }
.mm-cta {
  display: inline-block;
  background: var(--gradient-main);
  color: white !important;
  padding: 14px 36px;
  border-radius: 16px;
  margin-top: 8px;
}

/* ============ HERO SECTION ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0;
  background: linear-gradient(160deg, #f8f9ff 0%, #ffffff 40%, #f5f0ff 100%);
}

.hero-parallax-bg {
  position: absolute;
  inset: -20%;
  background-image: url('assets/images/hero-bg.png');
  background-size: cover;
  background-position: center;
  opacity: 0.3;
  will-change: transform;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(79,110,247,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,110,247,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  z-index: 0;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  will-change: transform;
  z-index: 0;
}

.hero-orb-1 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(124,92,252,0.2) 0%, transparent 70%);
  top: -150px;
  right: -150px;
}

.hero-orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(79,110,247,0.15) 0%, transparent 70%);
  bottom: -80px;
  left: -80px;
}

.hero-orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(100,200,255,0.12) 0%, transparent 70%);
  top: 35%;
  left: 25%;
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-visual {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #22c55e;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
  padding: 7px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: #22c55e;
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(36px, 4.2vw, 58px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.title-line { display: block; }

.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-main);
  color: white;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 14px;
  box-shadow: 0 8px 28px rgba(79,110,247,0.4);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.cta-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: var(--transition);
}

.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(79,110,247,0.5);
}
.cta-primary:hover::before { opacity: 1; }

.cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(79,110,247,0.06);
  color: var(--accent-blue);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 14px;
  border: 1.5px solid rgba(79,110,247,0.2);
  transition: var(--transition);
}

.cta-secondary:hover {
  background: rgba(79,110,247,0.1);
  border-color: rgba(79,110,247,0.4);
  transform: translateY(-2px);
}

.cta-sm { padding: 12px 22px; font-size: 14px; margin-top: 20px; }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.stat-item { text-align: center; min-width: 80px; }

.stat-num {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 36px;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--mid-gray);
}

/* HERO GLASS CARD */
.hero-glass-card {
  position: relative;
  width: 100%;
  max-width: 480px;
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow:
    0 20px 60px rgba(79,110,247,0.15),
    0 4px 20px rgba(0,0,0,0.06),
    inset 0 1px 0 rgba(255,255,255,0.9);
  padding: 32px;
  will-change: transform;
  transform-style: preserve-3d;
}

.hero-3d-obj {
  width: 200px;
  height: 200px;
  object-fit: contain;
  display: block;
  margin: 0 auto 24px;
  filter: drop-shadow(0 20px 40px rgba(79,110,247,0.2));
  animation: float-obj 6s ease-in-out infinite;
}

@keyframes float-obj {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-12px) rotate(3deg); }
  66% { transform: translateY(-6px) rotate(-2deg); }
}

.glass-card-inner {
  background: rgba(13,15,26,0.04);
  border-radius: var(--radius-sm);
  padding: 20px;
  font-family: 'Space Grotesk', monospace;
  font-size: 14px;
  line-height: 2;
}

.code-line { display: block; }
.c-purple { color: #8b5cf6; }
.c-blue { color: #3b82f6; }
.c-green { color: #10b981; }
.c-yellow { color: #f59e0b; }
.c-white { color: var(--text-primary); }
.code-output { margin-top: 8px; padding-top: 8px; border-top: 1px solid rgba(79,110,247,0.1); }

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: scroll-bounce 2s ease-in-out infinite;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-violet), transparent);
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.6; }
  50% { transform: translateX(-50%) translateY(6px); opacity: 1; }
}

/* ============ PAIN SECTION ============ */
.pain-section {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}

.pain-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--white) 0%, var(--off-white) 50%, var(--white) 100%);
}

.pain-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.pain-list { margin-top: 28px; display: flex; flex-direction: column; gap: 16px; }

.pain-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  background: rgba(239,68,68,0.04);
  border: 1px solid rgba(239,68,68,0.1);
  border-radius: var(--radius-sm);
}

.pain-icon {
  width: 28px;
  height: 28px;
  background: rgba(239,68,68,0.1);
  color: #ef4444;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}

.pain-item p { font-size: 15px; color: var(--text-secondary); line-height: 1.5; }

.solution-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--glass-shadow);
}

.solution-header { margin-bottom: 16px; }
.solution-tag {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #22c55e;
  background: rgba(34,197,94,0.1);
  padding: 5px 12px;
  border-radius: 100px;
}

.solution-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.solution-card p { color: var(--text-secondary); margin-bottom: 20px; }

.solution-benefits { display: flex; flex-direction: column; gap: 10px; margin-bottom: 8px; }
.sol-item { font-size: 14px; color: var(--text-secondary); display: flex; align-items: center; gap: 10px; }
.sol-check { color: #22c55e; font-weight: 700; }

/* ============ SERVICES SECTION ============ */
.services-section {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}

.services-parallax-bg {
  position: absolute;
  inset: -20%;
  background-image: url('assets/images/section-bg-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.25;
  will-change: transform;
}

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

.service-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: var(--transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-main);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(79,110,247,0.15);
  border-color: rgba(79,110,247,0.25);
}

.service-card:hover::before { opacity: 1; }

.service-icon-wrap { margin-bottom: 20px; }

.service-icon {
  width: 52px;
  height: 52px;
  background: var(--gradient-soft);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-violet);
  transition: var(--transition);
}

.service-icon svg { width: 26px; height: 26px; }

.service-card:hover .service-icon {
  background: var(--gradient-main);
  color: white;
  transform: scale(1.1) rotate(-5deg);
}

.service-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 16px; }

.service-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.service-tags span {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-indigo);
  background: rgba(79,110,247,0.08);
  padding: 3px 10px;
  border-radius: 100px;
}

/* ============ PORTFOLIO SECTION ============ */
.portfolio-section {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
  background: var(--off-white);
}

.portfolio-parallax {
  position: absolute;
  inset: -20%;
  background: radial-gradient(ellipse 70% 60% at 80% 50%, rgba(124,92,252,0.07) 0%, transparent 70%),
              radial-gradient(ellipse 60% 50% at 20% 50%, rgba(79,110,247,0.06) 0%, transparent 70%);
  will-change: transform;
}

.portfolio-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
  position: relative;
  z-index: 1;
}

.pf-btn {
  background: none;
  border: 1.5px solid var(--mid-gray);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}

.pf-btn:hover, .pf-btn.active {
  background: var(--gradient-main);
  border-color: transparent;
  color: white;
  box-shadow: 0 4px 16px rgba(79,110,247,0.3);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.portfolio-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: var(--transition);
  cursor: pointer;
}

.portfolio-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 20px 50px rgba(79,110,247,0.15);
}

.pc-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.pc-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.portfolio-card:hover .pc-img-wrap img { transform: scale(1.05); }

.pc-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,15,26,0.92) 0%, rgba(13,15,26,0.4) 60%, transparent 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  align-items: flex-end;
  padding: 24px;
}

.portfolio-card:hover .pc-overlay { opacity: 1; }

.pc-overlay-content { color: white; }
.pc-tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.7);
  display: block;
  margin-bottom: 8px;
}
.pc-overlay-content h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.pc-overlay-content p { font-size: 13px; color: rgba(255,255,255,0.75); margin-bottom: 12px; }
.pc-tech { display: flex; gap: 6px; flex-wrap: wrap; }
.pc-tech span {
  font-size: 11px;
  background: rgba(255,255,255,0.15);
  padding: 3px 9px;
  border-radius: 100px;
  color: white;
}

.pc-info { padding: 20px 22px; }
.pc-category { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent-violet); }
.pc-info h4 { font-family: 'Space Grotesk', sans-serif; font-size: 17px; font-weight: 700; margin: 6px 0 4px; }
.pc-info p { font-size: 13px; color: var(--text-muted); }

/* ============ PROCESS SECTION ============ */
.process-section {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}

.process-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--white) 0%, rgba(79,110,247,0.03) 50%, var(--white) 100%);
}

.process-timeline {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
  margin: 0 auto;
}

.process-step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 28px 32px;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.process-step:hover {
  transform: translateX(8px);
  box-shadow: 0 12px 40px rgba(79,110,247,0.12);
  border-color: rgba(79,110,247,0.25);
}

.process-connector {
  width: 2px;
  height: 28px;
  background: linear-gradient(to bottom, rgba(79,110,247,0.3), rgba(124,92,252,0.3));
  margin-left: 50px;
}

.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 36px;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  min-width: 52px;
}

.step-content h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-content p { font-size: 15px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 10px; }

.step-time {
  display: inline-flex;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-violet);
  background: rgba(124,92,252,0.08);
  padding: 4px 12px;
  border-radius: 100px;
}

/* ============ REVIEWS SECTION ============ */
.reviews-section {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
  background: var(--off-white);
}

.reviews-parallax {
  position: absolute;
  inset: -20%;
  background: radial-gradient(ellipse 50% 60% at 30% 50%, rgba(79,110,247,0.06) 0%, transparent 70%);
  will-change: transform;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.review-card {
  background: var(--white);
  border: 1.5px solid var(--mid-gray);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: var(--transition);
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(79,110,247,0.1);
  border-color: rgba(79,110,247,0.2);
}

.review-stars { color: #f59e0b; font-size: 16px; margin-bottom: 14px; letter-spacing: 2px; }
.review-text { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; font-style: italic; }

.review-author { display: flex; align-items: center; gap: 12px; }

.review-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.review-name { font-size: 14px; font-weight: 700; }
.review-role { font-size: 12px; color: var(--text-muted); }

/* ============ CTA SECTION ============ */
.cta-section {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
}

.cta-parallax-bg {
  position: absolute;
  inset: -20%;
  background-image: url('assets/images/hero-bg.png');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  will-change: transform;
}

.cta-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.cta-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124,92,252,0.2) 0%, transparent 70%);
  top: -100px;
  left: -100px;
}

.cta-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(79,110,247,0.15) 0%, transparent 70%);
  bottom: -80px;
  right: -80px;
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-badge {
  display: inline-flex;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-violet);
  background: rgba(124,92,252,0.08);
  border: 1px solid rgba(124,92,252,0.2);
  padding: 7px 18px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.cta-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.cta-sub {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.cta-micro {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 36px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.cta-btn-tg, .cta-btn-wa {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  padding: 16px 32px;
  border-radius: 16px;
  transition: var(--transition);
}

.cta-btn-tg {
  background: linear-gradient(135deg, #2aabee, #229ed9);
  color: white;
  box-shadow: 0 8px 28px rgba(42,171,238,0.4);
}
.cta-btn-tg:hover { transform: translateY(-3px); box-shadow: 0 14px 40px rgba(42,171,238,0.5); }

.cta-btn-wa {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: white;
  box-shadow: 0 8px 28px rgba(37,211,102,0.35);
}
.cta-btn-wa:hover { transform: translateY(-3px); box-shadow: 0 14px 40px rgba(37,211,102,0.45); }

.cta-startup {
  font-size: 13px;
  color: var(--text-muted);
}

/* ============ FOOTER ============ */
.footer {
  background: var(--text-primary);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: white;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 15px;
}

.footer-brand .logo-vb { background: var(--gradient-main); }

.footer-copy { font-size: 13px; color: rgba(255,255,255,0.4); }

.footer-links { display: flex; gap: 16px; }
.footer-links a {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: var(--transition);
}
.footer-links a:hover { color: white; }

/* ============ REVEAL ANIMATIONS ============ */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-up { transform: translateY(50px); }
.reveal-left { transform: translateX(-50px); }
.reveal-right { transform: translateX(50px); }

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0);
}

/* ============ PORTFOLIO FILTER ANIMATION ============ */
.portfolio-card.hidden {
  opacity: 0;
  transform: scale(0.9);
  pointer-events: none;
  position: absolute;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .burger { display: flex; }

  .hero {
    flex-direction: column;
    padding: 100px 0 60px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    padding: 80px 20px 60px;
  }

  .hero-content {
    text-align: center;
  }

  .hero-visual { display: none; }

  .hero-ctas { justify-content: center; }

  .pain-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }

  .section-title { font-size: 28px; }
  .hero-title { font-size: 36px; }

  .cta-micro { flex-direction: column; gap: 8px; }
  .cta-buttons { flex-direction: column; align-items: center; }

  .footer-inner { flex-direction: column; text-align: center; }

  .messenger-float { right: 16px; bottom: 24px; }
}

@media (max-width: 480px) {
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 40px; height: 1px; }
  .portfolio-filters { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 8px; }
  .pf-btn { flex-shrink: 0; }
}

/* ============ ABOUT SECTION ============ */
.about-section {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #f8f9ff 50%, #ffffff 100%);
}

.about-parallax-bg {
  position: absolute;
  inset: -20%;
  background-image: url('assets/images/section-bg-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.08;
  will-change: transform;
  z-index: 0;
}

.about-section .container { position: relative; z-index: 1; }

.about-grid {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 80px;
  align-items: start;
}

/* --- Photo Column --- */
.about-photo-col {
  position: sticky;
  top: 100px;
}

.about-photo-wrap {
  position: relative;
  margin-bottom: 32px;
}

.about-photo-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(ellipse 70% 70% at 50% 40%, rgba(124,92,252,0.18) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(20px);
  z-index: 0;
}

.about-photo-frame {
  position: relative;
  z-index: 1;
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(124,92,252,0.1), rgba(79,110,247,0.05));
  padding: 3px;
  box-shadow: 0 32px 80px rgba(79,110,247,0.15), 0 8px 24px rgba(0,0,0,0.08);
}

.about-photo-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(124,92,252,0.4), rgba(79,110,247,0.2), transparent 60%);
  z-index: 2;
  pointer-events: none;
}

.about-photo {
  display: block;
  width: 100%;
  border-radius: 26px;
  object-fit: cover;
  aspect-ratio: 3/4;
  filter: saturate(0.95) contrast(1.02);
}

.about-badge-exp {
  position: absolute;
  bottom: -16px;
  right: -16px;
  z-index: 3;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  border-radius: 20px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 32px rgba(124,92,252,0.4);
  color: #fff;
}

.exp-num {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
  font-family: var(--font-display);
}

.exp-label {
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1.3;
  opacity: 0.9;
}

/* Quick facts */
.about-quick-facts {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 32px;
}

.qf-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(124,92,252,0.1);
  border-radius: 14px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.qf-item:hover {
  transform: translateX(6px);
  box-shadow: 0 4px 20px rgba(124,92,252,0.1);
}

.qf-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: linear-gradient(135deg, rgba(124,92,252,0.12), rgba(79,110,247,0.08));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-purple);
}

.qf-icon svg { width: 20px; height: 20px; }

.qf-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.qf-text strong {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.qf-text span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --- Content Column --- */
.about-content-col { padding-top: 8px; }

.about-bio {
  margin: 24px 0 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-bio p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

/* Education */
.about-education { margin-bottom: 36px; }

.edu-title, .stack-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.edu-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.edu-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(79,110,247,0.1);
  border-radius: 14px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.edu-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79,110,247,0.1);
  border-color: rgba(79,110,247,0.2);
}

.edu-card-ai {
  background: linear-gradient(135deg, rgba(124,92,252,0.06), rgba(79,110,247,0.04));
  border-color: rgba(124,92,252,0.2);
}

.edu-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: rgba(79,110,247,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
}

.edu-icon-ai {
  background: linear-gradient(135deg, rgba(124,92,252,0.15), rgba(79,110,247,0.1));
  color: var(--accent-purple);
}

.edu-icon svg { width: 20px; height: 20px; }

.edu-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.edu-info strong {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.edu-info span {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Tech Stack */
.about-stack { }

.stack-categories {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.stack-cat {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.stack-cat-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  min-width: 100px;
  padding-top: 5px;
}

.stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.stack-tags span {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(255,255,255,0.8);
  border: 1px solid rgba(79,110,247,0.15);
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s ease;
  cursor: default;
}

.stack-tags span:hover {
  background: rgba(124,92,252,0.08);
  border-color: rgba(124,92,252,0.3);
  color: var(--accent-purple);
  transform: translateY(-1px);
}

/* Responsive About */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-photo-col {
    position: static;
    max-width: 380px;
    margin: 0 auto;
  }
}

@media (max-width: 600px) {
  .stack-cat {
    flex-direction: column;
    gap: 6px;
  }
  .stack-cat-label {
    min-width: unset;
    padding-top: 0;
  }
  .about-badge-exp {
    right: 0;
    bottom: -12px;
  }
}

/* ============ STAT TEXT BADGE ============ */
.stat-text-badge {
  display: block;
  font-size: 1.3rem;
  font-weight: 800;
  font-family: var(--font-display);
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 4px;
}

/* ============ FORMATS SECTION ============ */
.formats-section {
  padding: 100px 0;
  background: linear-gradient(180deg, #ffffff 0%, #f5f3ff 50%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}

.formats-section::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124,92,252,0.06) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.formats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
  align-items: start;
}

.format-card {
  position: relative;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(79,110,247,0.12);
  border-radius: 24px;
  padding: 32px 28px;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.23,1,0.32,1), box-shadow 0.4s ease, border-color 0.3s ease;
}

.format-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(79,110,247,0.12);
  border-color: rgba(124,92,252,0.25);
}

.format-card-featured {
  background: linear-gradient(160deg, rgba(124,92,252,0.06) 0%, rgba(79,110,247,0.04) 100%);
  border-color: rgba(124,92,252,0.25);
  box-shadow: 0 8px 32px rgba(124,92,252,0.1);
  transform: translateY(-8px);
}

.format-card-featured:hover {
  transform: translateY(-16px);
  box-shadow: 0 32px 80px rgba(124,92,252,0.18);
}

.format-popular-badge {
  position: absolute;
  top: 22px;
  right: -34px;
  width: 140px;
  background: linear-gradient(135deg, #7c5cfc, #4f6ef7);
  color: #fff;
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 0;
  text-align: center;
  transform: rotate(45deg);
  box-shadow: 0 4px 16px rgba(124,92,252,0.5);
  text-shadow: 0 1px 2px rgba(0,0,0,0.25);
  white-space: nowrap;
  overflow: hidden;
}

.format-icon-wrap {
  margin-bottom: 20px;
}

.format-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.format-icon svg { width: 28px; height: 28px; }

.format-icon-mini {
  background: linear-gradient(135deg, rgba(100,200,255,0.15), rgba(79,110,247,0.1));
  color: var(--accent-blue);
}

.format-icon-full {
  background: linear-gradient(135deg, rgba(124,92,252,0.18), rgba(79,110,247,0.12));
  color: var(--accent-purple);
}

.format-icon-partner {
  background: linear-gradient(135deg, rgba(16,185,129,0.15), rgba(79,110,247,0.08));
  color: #10b981;
}

.format-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-purple);
  margin-bottom: 8px;
}

.format-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  font-family: var(--font-display);
}

.format-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.format-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.format-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
}

.format-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-purple);
  font-size: 0.8rem;
  opacity: 0.7;
}

.format-cta {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-purple);
  text-decoration: none;
  transition: gap 0.2s ease, opacity 0.2s ease;
  gap: 4px;
}

.format-cta:hover {
  opacity: 0.75;
  gap: 8px;
}

.format-cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  padding: 12px 28px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(124,92,252,0.3);
  font-weight: 600;
  font-size: 0.9rem;
}

.format-cta-primary:hover {
  opacity: 1;
  box-shadow: 0 8px 24px rgba(124,92,252,0.4);
  transform: translateY(-1px);
}

/* Review small card */
.review-card-small .review-avatar-small {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
}

/* Responsive Formats */
@media (max-width: 900px) {
  .formats-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
  .format-card-featured {
    transform: none;
  }
  .format-card-featured:hover {
    transform: translateY(-8px);
  }
}