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

:root {
  --bg: #070b15;
  --bg-2: #0f1629;
  --bg-card: #111927;
  --border: rgba(255,255,255,0.08);
  --accent: #00c8ff;
  --accent-2: #ff5b46;
  --text: #e8edf5;
  --text-muted: #8ca4bf;
  --surface: rgba(8,12,20,0.82);
  --surface-strong: rgba(8,12,20,0.96);
  --glow: 0 0 40px rgba(0,200,255,0.2);
  --font: 'Inter', system-ui, sans-serif;
  --radius: 12px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

:root[data-theme='light'] {
  --bg: #f8fafc;
  --bg-2: #e8eff7;
  --bg-card: #ffffff;
  --border: rgba(15,23,42,0.12);
  --accent: #007cff;
  --accent-2: #ff5b46;
  --text: #0f172a;
  --text-muted: #475569;
  --surface: rgba(248,250,252,0.9);
  --surface-strong: rgba(255,255,255,0.98);
  --glow: 0 0 40px rgba(0,124,255,0.14);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ===== NOISE OVERLAY ===== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ===== NAV ===== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  height: 68px;
  background: var(--surface);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

nav.scrolled { background: var(--surface-strong); }

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.nav-logo .logo-mark {
  width: 34px; height: 34px;
  background: transparent;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #fff;
}

.logo-mark img {
  width: 100%;
  height: 100%;
  border-radius: 8px;
  object-fit: cover;
}

.nav-logo span { color: var(--text); }
.nav-logo span em { color: var(--accent); font-style: normal; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1.5px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta {
  background: var(--accent);
  color: #000 !important;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  transition: all var(--transition) !important;
}

.nav-cta:hover { background: #fff !important; box-shadow: var(--glow); }
.nav-cta::after { display: none !important; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== PAGE WRAPPER ===== */
.page { padding-top: 68px; position: relative; z-index: 1; }

/* ===== HERO ===== */
.hero {
  min-height: calc(100vh - 68px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 5% 100px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(0,200,255,0.16) 0%, transparent 55%),
    radial-gradient(ellipse 45% 30% at 20% 30%, rgba(255,91,70,0.10) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(157,87,226,0.08) 0%, transparent 50%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 80%);
}

.hero-content { position: relative; max-width: 820px; margin: 0 auto; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,200,255,0.08);
  border: 1px solid rgba(0,200,255,0.2);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 28px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-badge .dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--accent);
  color: #000;
  box-shadow: 0 4px 24px rgba(0,200,255,0.25);
}

.btn-primary:hover {
  background: #fff;
  box-shadow: 0 4px 40px rgba(0,200,255,0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  border-color: rgba(0,200,255,0.4);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ===== SECTION BASE ===== */
section { padding: 100px 5%; }
.section-inner { max-width: 1140px; margin: 0 auto; }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.7;
}

/* ===== STATS STRIP ===== */
.stats-strip {
  padding: 0 5% 80px;
}

.stats-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.stat-item {
  background: var(--bg-card);
  padding: 40px 32px;
  text-align: center;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ===== SERVICES ===== */
.services { background: var(--bg-2); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 56px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,200,255,0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  border-color: rgba(0,200,255,0.25);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), var(--glow);
}

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

.service-icon {
  width: 52px; height: 52px;
  background: rgba(0,200,255,0.1);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
  border: 1px solid rgba(0,200,255,0.15);
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== PROCESS ===== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  margin-top: 56px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 28px; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.3;
}

.step {
  text-align: center;
  padding: 0 20px;
  position: relative;
}

.step-number {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid rgba(0,200,255,0.3);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent);
  position: relative;
  z-index: 1;
}

.step h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== PORTFOLIO ===== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
  margin-top: 56px;
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--transition);
  cursor: default;
}

.app-card:hover {
  border-color: rgba(0,200,255,0.25);
  transform: translateY(-6px);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), var(--glow);
}

.app-card-visual {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.app-card-visual.jiva {
  background: linear-gradient(135deg, #0a1628 0%, #1a0a2e 50%, #0a1628 100%);
}

.app-visual-icon {
  width: 90px; height: 90px;
  border-radius: 22px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.8rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 60px rgba(0,200,255,0.2);
}

.app-visual-icon.jiva-icon {
  background: linear-gradient(135deg, #1a3a5c, #2d1b4e);
  border: 1px solid rgba(0,200,255,0.2);
}

.app-card-visual .ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,200,255,0.08);
  animation: rotate 20s linear infinite;
}

.ring-1 { width: 160px; height: 160px; }
.ring-2 { width: 240px; height: 240px; animation-direction: reverse; animation-duration: 30s; }
.ring-3 { width: 320px; height: 320px; animation-duration: 40s; }

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.app-card-body { padding: 28px; }

.app-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(0,200,255,0.08);
  border: 1px solid rgba(0,200,255,0.15);
  border-radius: 100px;
  padding: 3px 10px;
  margin-bottom: 14px;
}

.app-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.app-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 22px;
}

.app-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-badge {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
}

/* ===== CTA SECTION ===== */
.cta-section {
  padding: 100px 5%;
  text-align: center;
  background: var(--bg-2);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(0,200,255,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 480px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* ===== CONTACT PAGE ===== */
.contact-hero {
  padding: 100px 5% 60px;
  text-align: center;
}

.contact-grid {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  padding: 0 5% 100px;
}

.contact-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.contact-info-items { display: flex; flex-direction: column; gap: 20px; }

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-info-item .icon {
  width: 42px; height: 42px;
  background: rgba(0,200,255,0.08);
  border: 1px solid rgba(0,200,255,0.15);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-item .detail { padding-top: 2px; }
.contact-info-item .detail strong { display: block; font-size: 0.85rem; margin-bottom: 4px; }
.contact-info-item .detail span { font-size: 0.85rem; color: var(--text-muted); }

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
}

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

.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #4a5a6a; }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(0,200,255,0.4);
  box-shadow: 0 0 0 3px rgba(0,200,255,0.07);
}

.form-group select { appearance: none; cursor: pointer; }
.form-group select option { background: var(--bg-2); }

.form-group textarea { resize: vertical; min-height: 120px; }

.form-submit { width: 100%; justify-content: center; margin-top: 8px; }

.form-success {
  display: none;
  text-align: center;
  padding: 20px;
  color: var(--accent);
  font-weight: 600;
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 16px 5%;
  background: var(--bg);
}

.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.footer-logo .logo-mark { width: 48px; height: 48px; flex-shrink: 0; }

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

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--accent); }

.footer-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
}

.theme-toggle:hover {
  border-color: var(--accent);
  box-shadow: 0 10px 30px rgba(0, 104, 255, 0.12);
}

/* ===== ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== ABOUT PAGE ===== */
.about-hero {
  padding: 100px 5% 60px;
  text-align: center;
}

.about-grid {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 0 5% 100px;
}

.about-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-visual-core {
  width: 280px; height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,200,255,0.1) 0%, transparent 70%);
  border: 1px solid rgba(0,200,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.about-visual-core .inner {
  width: 160px; height: 160px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0,200,255,0.15), rgba(123,94,167,0.15));
  border: 1px solid rgba(0,200,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 56px;
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 5%;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
}

.value-card:hover {
  border-color: rgba(0,200,255,0.2);
  transform: translateY(-3px);
}

.value-card .icon { font-size: 1.8rem; margin-bottom: 14px; }

.value-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }

.value-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.65; }

/* ===== MOBILE NAV MENU ===== */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: var(--surface);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 20px 5%;
  flex-direction: column;
  gap: 16px;
  z-index: 99;
}

.nav-mobile-menu.open { display: flex; }
.nav-mobile-menu a { font-size: 1rem; color: var(--text-muted); padding: 8px 0; }
.nav-mobile-menu a:hover { color: var(--accent); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .stats-inner { grid-template-columns: 1fr; }
  .stat-item { padding: 28px 20px; }

  .form-row { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; }

  .about-grid { grid-template-columns: 1fr; }
  .about-visual { display: none; }

  .values-grid { grid-template-columns: 1fr; padding: 0 5%; }

  .process-steps::before { display: none; }

  section { padding: 70px 5%; }

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

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; max-width: 300px; }
}