/* =====================================================
   OctaKey Interactive — Main Stylesheet
   Elegant & Professional Dark Theme
   ===================================================== */

/* === VARIABLES === */
:root {
  --bg-primary:    #0a0a0f;
  --bg-secondary:  #111118;
  --bg-card:       #16161f;
  --bg-glass:      rgba(255, 255, 255, 0.03);

  --accent:        #c9a96e;
  --accent-light:  #e2c898;
  --accent-dim:    rgba(201, 169, 110, 0.15);

  --text-primary:  #f0ece4;
  --text-secondary:#9a9590;
  --text-muted:    #5a5650;

  --border:        rgba(255, 255, 255, 0.07);
  --border-accent: rgba(201, 169, 110, 0.3);

  --font-display:  'Cormorant Garamond', Georgia, serif;
  --font-body:     'DM Sans', system-ui, sans-serif;

  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     20px;

  --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width:     1100px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.7;
}

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

/* === LAYOUT === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* === HEADER === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  transition: opacity var(--transition);
}
.logo:hover { opacity: 0.8; }

.logo img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

.logo-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

/* === NAV === */
.site-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.site-nav a {
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--accent-light) !important;
  transition: background var(--transition), border-color var(--transition);
}
.nav-cta:hover {
  background: rgba(201, 169, 110, 0.22) !important;
  border-color: var(--accent) !important;
  color: var(--accent-light) !important;
}
.nav-cta::after { display: none !important; }

/* === HERO === */
.hero {
  padding: 120px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(201, 169, 110, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--accent);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 7vw, 6rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  max-width: 760px;
}

.hero-title em {
  font-style: italic;
  color: var(--accent-light);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 3rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #0a0a0f;
}
.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(201, 169, 110, 0.2);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--border-accent);
  color: var(--accent-light);
  transform: translateY(-1px);
}

/* === SECTION BASICS === */
section {
  padding: 96px 0;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--accent);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.8;
}

/* === DIVIDER === */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* === SERVICES GRID === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 4rem;
}

.service-card {
  background: var(--bg-secondary);
  padding: 2.5rem;
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--transition);
}

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

.service-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* === APP SHOWCASE === */
.app-showcase {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.app-showcase-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.app-mockup {
  position: relative;
}

.app-mockup-frame {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  aspect-ratio: 9/16;
  max-width: 260px;
  margin: 0 auto;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.app-mockup-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-mockup-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 2rem;
  text-align: center;
}

.app-placeholder-icon {
  width: 64px;
  height: 64px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.app-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-light);
  letter-spacing: 0.04em;
}

.app-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.app-feature {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.app-feature-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}

.app-feature-text strong {
  display: block;
  font-weight: 500;
  font-size: 0.925rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.app-feature-text span {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.appstore-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--text-primary);
  color: var(--bg-primary);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition);
  margin-top: 2rem;
}
.appstore-btn:hover {
  background: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(240, 236, 228, 0.15);
}

.appstore-icon { font-size: 1.2rem; }

/* === STATS === */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 3rem;
}

.stat-item {
  background: var(--bg-secondary);
  padding: 2rem;
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--accent-light);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(201, 169, 110, 0.05) 0%, transparent 65%);
  pointer-events: none;
}

.cta-section .section-label { justify-content: center; }
.cta-section .section-label::before { display: none; }

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  line-height: 1.1;
}

.cta-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

/* === CONTACT FORM === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-info-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.contact-info-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-info-value {
  font-size: 1rem;
  color: var(--text-primary);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-primary);
  transition: border-color var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--border-accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

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

/* === PROJECTS PAGE === */
.projects-header {
  padding: 100px 0 60px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
  padding-bottom: 96px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}

.project-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.project-thumb {
  aspect-ratio: 4/3;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.project-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(22,22,31,0.6));
}

.project-card-body {
  padding: 1.75rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tag {
  padding: 3px 10px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.project-card-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.project-card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  transition: gap var(--transition);
}
.project-link:hover { gap: 10px; }

/* =====================================================
   PRIVACY POLICY — append to main.css
   ===================================================== */

/* Layout: sidebar TOC + body */
.privacy-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 80px;
    align-items: start;
}

/* Sticky TOC */
.privacy-toc {
    position: sticky;
    top: 96px;
}

.toc-list {
    list-style: none;
    counter-reset: toc;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.toc-list li {
    counter-increment: toc;
}

.toc-list a {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    padding: 0.4rem 0;
    border-left: 2px solid var(--border);
    padding-left: 0.75rem;
    transition: color var(--transition), border-color var(--transition);
    line-height: 1.4;
}

.toc-list a:hover {
    color: var(--accent-light);
    border-color: var(--accent);
}

/* Body sections */
.privacy-section {
    padding: 2.5rem 0;
    border-bottom: 1px solid var(--border);
}

.privacy-section:first-child { padding-top: 0; }
.privacy-section:last-child  { border-bottom: none; }

.privacy-h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    scroll-margin-top: 96px;
}

.privacy-h3 {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    margin-top: 1.5rem;
}

.privacy-body p {
    font-size: 0.925rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 0.75rem;
}

.privacy-body p:last-child { margin-bottom: 0; }

.privacy-body strong {
    color: var(--text-primary);
    font-weight: 500;
}

/* Callout box */
.privacy-callout {
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    margin-bottom: 2.5rem;
}

.privacy-callout-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--accent-light) !important;
    margin-bottom: 0.75rem !important;
}

.privacy-callout p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Links */
.privacy-link {
    color: var(--accent-light);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: var(--border-accent);
    transition: color var(--transition), text-decoration-color var(--transition);
}

.privacy-link:hover {
    color: var(--accent);
    text-decoration-color: var(--accent);
}

/* Lists */
.privacy-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.privacy-list li {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    font-size: 0.925rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.privacy-list li::before {
    content: '—';
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 0.05em;
}

/* Contact card */
.privacy-contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-top: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.privacy-contact-card p {
    margin-bottom: 0 !important;
}

/* Responsive */
@media (max-width: 768px) {
    .privacy-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .privacy-toc {
        position: static;
        padding-bottom: 2rem;
        border-bottom: 1px solid var(--border);
    }
}

/* === FOOTER === */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-copy {
  font-size: 0.825rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  font-size: 0.825rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--text-secondary);
}

/* === PAGE TRANSITION === */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

main { animation: fadeIn 0.5s ease forwards; }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .app-showcase-inner,
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .form-row { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; }
  .site-nav { gap: 1.5rem; }
  .logo-name { display: none; }
}