/* ============================================
   INOVIKO — Landing Page Styles
   Dark & Bold / Teal
   ============================================ */

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

:root {
  --bg:       #090c10;
  --bg-1:     #0e1218;
  --bg-2:     #141920;
  --bg-3:     #1c2330;
  --accent:   #00c4a0;
  --accent-2: #00a086;
  --accent-glow: rgba(0, 196, 160, 0.18);
  --accent-glow-strong: rgba(0, 196, 160, 0.35);
  --text:     #e8edf5;
  --text-2:   #8a96a8;
  --text-3:   #4e5a6a;
  --border:   rgba(255,255,255,0.06);
  --border-accent: rgba(0, 196, 160, 0.3);
  --radius:   12px;
  --radius-lg: 20px;
  --font:     'Inter', system-ui, sans-serif;
  --mono:     'JetBrains Mono', 'Fira Code', monospace;
  --nav-h:    68px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ── Container ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ── Typography ── */
h1, h2, h3 { line-height: 1.15; font-weight: 700; letter-spacing: -0.03em; }
a { text-decoration: none; color: inherit; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(9, 12, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 40px;
}

.logo {
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 1px;
}

.logo-mark {
  color: var(--accent);
  font-weight: 900;
}

.nav-links {
  display: flex;
  gap: 32px;
  margin-left: auto;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--transition);
  letter-spacing: 0.01em;
}

.nav-links a:hover { color: var(--text); }

.lang-toggle {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-2);
  letter-spacing: 0.05em;
  transition: border-color var(--transition), color var(--transition);
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.lang-toggle:hover { border-color: var(--border-accent); color: var(--text); }
.lang-active { color: var(--accent); }
.lang-sep { opacity: 0.4; }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.grid-overlay {
  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 80% 80% at 50% 50%, black, transparent);
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}

.glow-1 {
  width: 600px;
  height: 600px;
  background: rgba(0, 196, 160, 0.12);
  top: -100px;
  right: -100px;
  animation: pulse-glow 8s ease-in-out infinite alternate;
}

.glow-2 {
  width: 400px;
  height: 400px;
  background: rgba(0, 196, 160, 0.07);
  bottom: 0;
  left: -100px;
  animation: pulse-glow 10s ease-in-out infinite alternate-reverse;
}

@keyframes pulse-glow {
  from { opacity: 0.6; transform: scale(1); }
  to   { opacity: 1;   transform: scale(1.15); }
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 80px;
  padding-bottom: 80px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(0, 196, 160, 0.08);
  border: 1px solid rgba(0, 196, 160, 0.2);
  border-radius: 100px;
  padding: 6px 14px;
  margin-bottom: 32px;
  animation: fadeInUp 0.6s ease both;
}

.hero-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

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

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  display: flex;
  flex-direction: column;
  margin-bottom: 24px;
}

.hero-title .line {
  display: block;
  animation: fadeInUp 0.6s ease both;
}

.hero-title .line:nth-child(2) { animation-delay: 0.1s; }

.hero-title .accent {
  color: var(--accent);
  position: relative;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-2);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 40px;
  animation: fadeInUp 0.6s 0.2s ease both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s 0.3s ease both;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.925rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 0 rgba(0, 196, 160, 0);
}

.btn-primary:hover {
  background: var(--accent-2);
  box-shadow: 0 8px 32px rgba(0, 196, 160, 0.35);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.04);
  transform: translateY(-2px);
}

.btn-full { width: 100%; }

/* ── Scroll Indicator ── */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: fadeInUp 1s 0.6s ease both;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scroll-anim 2s ease-in-out infinite;
}

@keyframes scroll-anim {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51%  { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ============================================
   SECTION COMMON
   ============================================ */
section { padding: 120px 0; }

.section-header {
  text-align: center;
  margin-bottom: 72px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 16px;
  color: var(--text);
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ============================================
   SERVICES
   ============================================ */
.services {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-card {
  background: var(--bg-1);
  padding: 40px 36px;
  transition: background var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-glow), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover { background: var(--bg-2); }
.service-card:hover::before { opacity: 1; }

.service-card--more {
  background: var(--bg);
}

.service-card--more:hover { background: var(--bg-1); }

.service-icon {
  width: 48px;
  height: 48px;
  color: var(--accent);
  margin-bottom: 20px;
  transition: transform var(--transition);
}

.service-card:hover .service-icon {
  transform: scale(1.1);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
  letter-spacing: -0.02em;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
}

/* ============================================
   ABOUT
   ============================================ */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text .section-tag { display: block; text-align: left; }
.about-text .section-title { text-align: left; }

.about-text p {
  color: var(--text-2);
  line-height: 1.75;
  font-size: 1rem;
  margin-top: 20px;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-3);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ── Code Block ── */
.code-block {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px var(--border);
  position: relative;
}

.code-block::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}

.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-r { background: #ff5f57; }
.dot-y { background: #febc2e; }
.dot-g { background: #28c840; }

.code-filename {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-3);
  margin-left: 8px;
}

.code-body {
  padding: 28px 28px 32px;
  overflow-x: auto;
}

.code-body code {
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.75;
  display: block;
}

/* Syntax colors */
.kw  { color: #b48ead; }
.var { color: var(--accent); }
.key { color: #88c0d0; }
.str { color: #a3be8c; }
.fn  { color: #ebcb8b; }

/* ============================================
   CONTACT
   ============================================ */
.contact {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
}

.contact-inner { }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  margin-top: 64px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: 8px;
}

.contact-email {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-email:hover {
  border-color: var(--border-accent);
  box-shadow: 0 0 0 1px var(--border-accent), 0 8px 32px rgba(0,196,160,0.08);
}

.email-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.email-value {
  font-size: 0.9rem;
  color: var(--text);
  font-family: var(--mono);
  word-break: break-all;
}

.contact-note {
  font-size: 0.85rem;
  color: var(--text-3);
  line-height: 1.6;
}

/* ── Form ── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: 0.02em;
}

input, textarea {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
  outline: none;
  -webkit-appearance: none;
}

input::placeholder, textarea::placeholder { color: var(--text-3); }

input:focus, textarea:focus {
  border-color: var(--border-accent);
  box-shadow: 0 0 0 3px rgba(0, 196, 160, 0.1);
}

.form-notice {
  font-size: 0.78rem;
  color: var(--text-3);
  text-align: center;
  line-height: 1.5;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-tagline {
  font-size: 0.82rem;
  color: var(--text-3);
  border-left: 1px solid var(--border);
  padding-left: 12px;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-3);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-visual { order: -1; }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-email {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  section { padding: 80px 0; }

  .nav-links { display: none; }

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

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

  .hero-title { font-size: clamp(2.2rem, 10vw, 3rem); }

  .hero-actions { flex-direction: column; }

  .about-stats { gap: 24px; flex-wrap: wrap; }

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

  .footer-brand { flex-direction: column; gap: 6px; }

  .footer-tagline { border-left: none; padding-left: 0; }
}