/* ===========================
   RESET & VARIABLES
=========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0a0a0a;
  --card-bg:   linear-gradient(145deg, rgba(18,18,18,0.95) 0%, rgba(25,25,25,0.85) 100%);
  --text:      #ebebeb;
  --text-muted:#777;
  --border:    rgba(255,255,255,0.08);
  --accent:    #3b82f6;
  --radius:    12px;
  --radius-lg: 18px;
}

html { scroll-behavior: smooth; }

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

h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  font-weight: 700;
}

/* ===========================
   PARTICLE CANVAS
=========================== */
#particleCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.35;
}

/* ===========================
   UTILITIES
=========================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section-gradient {
  position: absolute;
  left: 0; right: 0;
  pointer-events: none;
  z-index: 0;
}
.section-gradient.top {
  top: 0; height: 100%;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.02), transparent);
}
.section-gradient.center {
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(59,130,246,0.04), transparent);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 16px;
}
.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.75;
}

.section-label-sm {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.gradient-text {
  background: linear-gradient(135deg, #f8f8f8 0%, #999 50%, #e0e0e0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0,0,0,0.7);
}

/* ===========================
   BUTTONS
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: all 0.22s ease;
  white-space: nowrap;
}
.btn-primary {
  background: #ffffff;
  color: #000;
}
.btn-primary:hover {
  background: #e8e8e8;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,255,255,0.12);
}
.btn-ghost {
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.12);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}
.btn-gradient {
  background: linear-gradient(135deg, #f8f8f8 0%, #aaa 100%);
  color: #000;
  padding: 14px 32px;
  font-size: 1rem;
}
.btn-gradient:hover {
  opacity: 0.9;
  transform: scale(1.04);
}
.btn-nav {
  background: #ffffff;
  color: #000;
  padding: 9px 20px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s;
}
.btn-nav:hover { background: #e0e0e0; }

.btn-submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px;
  border-radius: 100px;
  background: #ffffff;
  color: #000;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  margin-top: 8px;
}
.btn-submit:hover { background: #e8e8e8; transform: translateY(-2px); }

/* ===========================
   NAVBAR
=========================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}
.navbar.scrolled {
  background: rgba(10,10,10,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.logo { text-decoration: none; flex-shrink: 0; }
.logo-img {
  height: 120px;
  width: auto;
  display: block;
}
.navbar.scrolled .logo-img { height: 80px; }
.footer-brand .logo-img { height: 90px; }

.nav-links {
  display: flex;
  list-style: none;
  gap: 2px;
  margin: 0 auto;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 8px;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.nav-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 12px 24px 20px;
  border-top: 1px solid var(--border);
  background: rgba(10,10,10,0.97);
  backdrop-filter: blur(20px);
}
.mobile-menu a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--text); }
.mobile-menu .btn-nav { margin-top: 8px; align-self: flex-start; }

@media (max-width: 820px) {
  .nav-links, .nav-right { display: none; }
  .hamburger { display: flex; }
  .mobile-menu.open { display: flex; }
}

/* ===========================
   HERO
=========================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
  z-index: 1;
}
#shaderCanvas {
  position: absolute;
  inset: 0; width: 100%; height: 100%;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,10,0.5);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 100px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 32px;
  animation: fadeInDown 0.6s ease both;
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text);
  animation: badgePulse 2s ease-in-out infinite;
}
@keyframes badgePulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
.hero-content h1 {
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease 0.1s both;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.75;
  margin: 0 auto 40px;
  animation: fadeInUp 0.6s ease 0.2s both;
}
.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.3s both;
}
.scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.3);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  animation: fadeIn 1s ease 1s both;
}
.scroll-mouse {
  width: 22px; height: 36px;
  border: 2px solid rgba(255,255,255,0.25);
  border-radius: 100px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 4px;
}
.scroll-wheel {
  width: 3px; height: 7px;
  background: rgba(255,255,255,0.4);
  border-radius: 100px;
  animation: wheelAnim 1.6s ease infinite;
}
@keyframes wheelAnim {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(10px); opacity: 0; }
}

/* ===========================
   SERVICES
=========================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.service-card {
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.service-card:hover {
  border-color: rgba(255,255,255,0.15);
  box-shadow: 0 20px 60px rgba(0,0,0,0.8), 0 0 0 1px rgba(255,255,255,0.06);
}
.svc-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  transition: transform 0.25s;
  flex-shrink: 0;
}
.service-card:hover .svc-icon { transform: scale(1.1); }
.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  transition: color 0.2s;
}
.service-card:hover h3 { color: #fff; }
.service-card p {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
  white-space: pre-line;
}

/* ===========================
   PORTFOLIO — screenshot carousel
=========================== */
.pf-section { overflow: hidden; }

/* background decorations */
.pf-decor { position: absolute; inset: 0; pointer-events: none; }
.pf-dot {
  position: absolute;
  border-radius: 50%;
  animation: pfPulse 2s ease-in-out infinite;
}
.pf-d1 { width: 12px; height: 12px; background: rgba(255,255,255,0.5); top: 80px; left: 40px; }
.pf-d2 { width: 8px; height: 8px; background: rgba(255,255,255,0.4); top: 160px; right: 80px; animation-delay: .6s; }
.pf-d5 { width: 6px; height: 6px; background: rgba(255,255,255,0.3); bottom: 120px; right: 15%; animation-delay: 1.2s; }
.pf-diamond {
  position: absolute;
  width: 16px; height: 16px;
  border: 1px solid rgba(255,255,255,0.2);
  transform: rotate(45deg);
  bottom: 128px; left: 25%;
}
.pf-ring {
  position: absolute;
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  top: 33%; right: 40px;
}
@keyframes pfPulse {
  0%,100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* section header label */
.pf-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 12px;
}

/* carousel layout */
.pf-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.pf-arrow {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  flex-shrink: 0;
  z-index: 20;
  position: absolute;
}
#prevBtn { left: 8px; }
#nextBtn { right: 8px; }
.pf-arrow:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
}
.pf-stage {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1400px;
  height: 460px;
  overflow: visible;
}
.pf-scene {
  position: relative;
  width: 460px;
  height: 290px;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* individual cards */
.pf-card {
  position: absolute;
  inset: 0;
  border-radius: 16px;
  overflow: hidden;
  backface-visibility: hidden;
  cursor: pointer;
  background: #0d0d0d;
  border: 1px solid rgba(255,255,255,0.07);
  box-shadow: 0 8px 40px rgba(0,0,0,0.8);
  transition: box-shadow 0.5s, border-color 0.5s;
}
.pf-card.active {
  border-color: rgba(255,255,255,0.14);
  box-shadow: 0 24px 80px rgba(0,0,0,0.9), 0 0 0 1.5px rgba(255,255,255,0.12);
}

/* screenshot image */
.pf-media {
  position: absolute;
  inset: 0;
}
.pf-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform 0.7s ease;
}
.pf-card.active:hover .pf-media img { transform: scale(1.04); }

/* gradient overlay */
.pf-grad {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,6,6,0.97) 0%, rgba(6,6,6,0.45) 45%, rgba(6,6,6,0.1) 100%);
  transition: opacity 0.5s;
}

/* "KIEMELT" badge */
.pf-badge {
  position: absolute;
  top: 10px; left: 10px;
  padding: 3px 9px;
  border-radius: 100px;
  background: rgba(8,8,8,0.82);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.13);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  display: none;
}
.pf-card.active .pf-badge { display: block; }

/* card info bottom */
.pf-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 14px 16px 16px;
  z-index: 2;
}
.pf-cat {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 4px;
  text-transform: uppercase;
}
.pf-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: rgba(255,255,255,0.95);
  margin-bottom: 10px;
  line-height: 1.25;
}
.pf-btn {
  display: none;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(255,255,255,0.92);
  color: #000;
  font-size: 0.72rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: 0.04em;
  transition: background 0.2s, transform 0.15s;
  text-decoration: none;
}
.pf-btn:hover { background: #fff; transform: translateY(-1px); }
.pf-card.active .pf-btn { display: inline-block; }

/* dots */
.pf-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
}
.pf-dot-btn {
  border-radius: 100px;
  background: rgba(255,255,255,0.22);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  padding: 0;
  width: 8px; height: 8px;
}
.pf-dot-btn.active {
  width: 26px;
  background: rgba(255,255,255,0.82);
}

@media (max-width: 768px) {
  .pf-scene { width: 280px; height: 176px; }
  .pf-stage { height: 320px; }
  .pf-title { font-size: 0.85rem; }
  .pf-btn { font-size: 0.65rem; padding: 5px 13px; }
}
@media (max-width: 480px) {
  .pf-scene { width: 230px; height: 145px; }
  .pf-stage { height: 270px; }
}

/* ===========================
   ABOUT
=========================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-visual {
  background: linear-gradient(145deg, #1e1e2a 0%, #13131a 60%, #1a1a22 100%);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius-lg);
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.1), 0 4px 24px rgba(0,0,0,0.45);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.about-visual:hover {
  border-color: rgba(255,255,255,0.18);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.15), 0 24px 60px rgba(0,0,0,0.6);
}
.orbit-system {
  position: relative;
  width: 300px; height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.pulse-ring {
  position: absolute;
  width: 72px; height: 72px;
  border-radius: 50%;
  border: 1px solid rgba(59,130,246,0.45);
  animation: pulseExpand 3.6s ease-out infinite;
  pointer-events: none;
}
.pulse-1 { animation-delay: 0s; }
.pulse-2 { animation-delay: 1.2s; }
.pulse-3 { animation-delay: 2.4s; }
@keyframes pulseExpand {
  0%   { transform: scale(0.55); opacity: 0.75; }
  100% { transform: scale(3.6); opacity: 0; }
}
.orbit-track {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.05);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  pointer-events: none;
}
.track-1 { width: 190px; height: 190px; }
.track-2 { width: 280px; height: 280px; }
.orbit-lines {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  overflow: visible;
}
.orbit-line {
  stroke: url(#lineGrad);
  stroke-width: 1.5;
  filter: drop-shadow(0 0 4px rgba(59,130,246,0.55));
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  animation: drawLine 0.35s ease forwards;
}
@keyframes drawLine { to { stroke-dashoffset: 0; } }
.orbit-core {
  position: relative; z-index: 5;
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(59,130,246,0.25), rgba(120,80,255,0.25));
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #93c5fd;
  animation: corePulse 4s ease-in-out infinite;
}
@keyframes corePulse {
  0%,100% { box-shadow: 0 0 0 6px rgba(59,130,246,0.07), 0 0 28px rgba(59,130,246,0.22); }
  50%      { box-shadow: 0 0 0 10px rgba(59,130,246,0.12), 0 0 44px rgba(120,80,255,0.32); }
}
.orbit-node {
  position: absolute;
  top: 50%; left: 50%;
  margin: -20px 0 0 -20px;
  z-index: 4;
  pointer-events: none;
}
.node-user   { transform: translate(0px,   -100px); }
.node-ai     { transform: translate(110px,   30px); }
.node-dev    { transform: translate(-15px,  100px); }
.node-growth { transform: translate(-110px, -50px); }
.node-inner {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: rgba(10,10,24,0.85);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #93c5fd;
  cursor: pointer;
  pointer-events: auto;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  box-shadow: 0 2px 12px rgba(0,0,0,0.45);
}
.node-inner:hover {
  transform: scale(1.28);
  box-shadow: 0 0 22px rgba(59,130,246,0.5), 0 4px 18px rgba(0,0,0,0.5);
  border-color: rgba(59,130,246,0.55);
}
.node-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(8,8,20,0.92);
  border: 1px solid rgba(255,255,255,0.1);
  color: #e2e8f0;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
  padding: 4px 10px;
  border-radius: 6px;
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
  z-index: 10;
}
.orbit-node:has(.node-inner:hover) .node-tooltip { opacity: 1; }

.about-content h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 20px;
}
.about-content > p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 20px;
}
.about-quote {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  padding: 16px 20px;
  background: rgba(59,130,246,0.07);
  border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
  line-height: 1.55;
}

/* ===========================
   WHY US
=========================== */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.why-card {
  padding: 32px;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.why-card:hover {
  border-color: rgba(255,255,255,0.15);
  box-shadow: 0 20px 60px rgba(0,0,0,0.8);
}
.why-top {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 24px;
}
.why-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), rgba(255,255,255,0.06));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  flex-shrink: 0;
  transition: transform 0.25s;
}
.why-card:hover .why-icon { transform: scale(1.08); }
.why-top h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  transition: color 0.2s;
}
.why-card:hover .why-top h3 { color: #fff; }
.why-top p {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.65;
}
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-left: 74px;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.feature-list li svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
  color: rgba(255,255,255,0.55);
}
.why-cta {
  text-align: center;
  margin-top: 56px;
}
.why-cta p {
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 1rem;
}

/* ===========================
   CONTACT
=========================== */
.contact-intro {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 640px;
  margin: 0 auto;
}
.contact-intro p + p { margin-top: 8px; }

.contact-grid {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}
.contact-left { display: flex; flex-direction: column; gap: 16px; }

.contact-info-card {
  padding: 28px;
}
.contact-info-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 24px;
}
.ci-item {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.ci-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  flex-shrink: 0;
}
.ci-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.ci-value {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.trust-badge {
  padding: 24px;
  text-align: center;
}
.trust-number {
  font-size: 2.8rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  background: linear-gradient(135deg, #f8f8f8 0%, #999 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}
.trust-text { color: var(--text-muted); font-size: 0.875rem; }

.contact-form-card { padding: 32px; }
.contact-form-card form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  resize: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(255,255,255,0.25);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.04);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.25); }

#formFeedback {
  display: none;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
  margin-top: 4px;
}

/* ===========================
   FAQ
=========================== */
.faq-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.faq-list {
  max-width: 740px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.faq-item {
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item:hover { border-color: rgba(255,255,255,0.15); }
.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  font-family: inherit;
  font-size: 0.925rem;
  font-weight: 500;
  text-align: left;
  transition: color 0.2s;
}
.faq-trigger:hover { color: #fff; }
.faq-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.3s;
}
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-item.open .faq-body { max-height: 300px; }
.faq-body p {
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.75;
}

/* ===========================
   FOOTER
=========================== */
.footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 260px;
}
.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  padding: 5px 0;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ===========================
   SCROLL REVEAL
=========================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   ANIMATIONS
=========================== */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { min-height: 320px; }
  .why-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: clamp(1.8rem, 8vw, 2.4rem); }
  .hero-sub { font-size: 0.95rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .form-row { grid-template-columns: 1fr; }
  .feature-list { margin-left: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .carousel-3d-scene { width: 240px; height: 150px; }
  .orbit-system { width: 240px; height: 240px; }
  .track-1 { width: 150px; height: 150px; }
  .track-2 { width: 220px; height: 220px; }
  .node-user   { transform: translate(0px,   -80px); }
  .node-ai     { transform: translate(88px,   24px); }
  .node-dev    { transform: translate(-12px,  80px); }
  .node-growth { transform: translate(-88px, -40px); }
}