/* ═══════════════════════════════════════════════════════════
   PORTFOLIO — Premium Web Developer
   Deep Navy & Gold — Production Ready
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,400&display=swap');

/* ─────────────────────────────────────────────────────────────
   CSS Variables
   ───────────────────────────────────────────────────────────── */
:root {
  --color-bg: #0d1117;
  --color-bg-elevated: #161b22;
  --color-bg-hover: #1c2128;
  --color-surface: #21262d;
  --color-text: #f0f6fc;
  --color-text-secondary: #8b949e;
  --color-text-muted: #6e7681;
  --color-accent: #d4a853;
  --color-accent-hover: #e8bf6a;
  --color-accent-glow: rgba(212, 168, 83, 0.2);
  --color-accent-soft: rgba(212, 168, 83, 0.1);
  --color-border: #30363d;
  --color-border-light: #484f58;
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --max-width: 1320px;
  --max-width-content: 760px;
  --max-width-wide: 1000px;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.15s var(--ease-out-expo);
  --transition-smooth: 0.3s var(--ease-out-expo);
  --transition-slow: 0.6s var(--ease-out-expo);
}

[data-theme="light"] {
  --color-bg: #fafbfc;
  --color-bg-elevated: #ffffff;
  --color-bg-hover: #f3f4f6;
  --color-surface: #e8eaed;
  --color-text: #1a1f36;
  --color-text-secondary: #4a5568;
  --color-text-muted: #718096;
  --color-accent: #b8860b;
  --color-accent-hover: #996f0a;
  --color-accent-glow: rgba(184, 134, 11, 0.15);
  --color-accent-soft: rgba(184, 134, 11, 0.08);
  --color-border: #e2e8f0;
  --color-border-light: #cbd5e0;
}

/* ─────────────────────────────────────────────────────────────
   Reset & Base - Responsive Font Sizing
   ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 15px;
}
@media (min-width: 768px) { html { font-size: 16px; } }
@media (min-width: 1200px) { html { font-size: 17px; } }
@media (min-width: 1600px) { html { font-size: 18px; } }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

::selection { background: var(--color-accent); color: var(--color-bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-accent-hover); }

/* ─────────────────────────────────────────────────────────────
   Typography
   ───────────────────────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 400; line-height: 1.2; color: var(--color-text); }
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); letter-spacing: -0.02em; }
h3 { font-size: clamp(1.125rem, 2vw, 1.375rem); }
p { margin-bottom: 1rem; color: var(--color-text-secondary); }
.italic { font-style: italic; }

/* ─────────────────────────────────────────────────────────────
   Layout
   ───────────────────────────────────────────────────────────── */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-xl); }
@media (max-width: 768px) { .container { padding: 0 var(--space-lg); } }
@media (max-width: 480px) { .container { padding: 0 var(--space-md); } }
.container--tight { max-width: var(--max-width-content); }
.container--wide { max-width: var(--max-width-wide); }

.section { padding: var(--space-4xl) 0; }
@media (min-width: 1200px) { .section { padding: 7rem 0; } }
@media (max-width: 768px) { .section { padding: var(--space-3xl) 0; } }

.section--hero { min-height: 100vh; display: flex; align-items: center; padding-top: 100px; }
@media (max-width: 768px) { .section--hero { min-height: auto; padding-top: 120px; padding-bottom: var(--space-3xl); } }

/* ─────────────────────────────────────────────────────────────
   Header
   ───────────────────────────────────────────────────────────── */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: var(--space-lg) 0; transition: all var(--transition-smooth); }
.site-header.scrolled { background: rgba(13, 17, 23, 0.95); backdrop-filter: blur(12px); padding: var(--space-md) 0; border-bottom: 1px solid var(--color-border); }
[data-theme="light"] .site-header.scrolled { background: rgba(250, 251, 252, 0.95); }
.site-header .container { display: flex; justify-content: space-between; align-items: center; }

.logo { font-family: var(--font-display); font-size: 1.25rem; color: var(--color-text); text-decoration: none; display: flex; align-items: center; gap: var(--space-xs); }
.logo::before { content: ''; width: 8px; height: 8px; background: var(--color-accent); border-radius: 50%; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.2); } }

.nav { display: flex; align-items: center; gap: var(--space-xl); }
@media (min-width: 1200px) { .nav { gap: var(--space-2xl); } }
.nav a { font-size: 0.9375rem; color: var(--color-text-secondary); text-decoration: none; position: relative; padding: var(--space-xs) 0; }
.nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 1px; background: var(--color-accent); transition: width var(--transition-smooth); }
.nav a:hover { color: var(--color-text); }
.nav a:hover::after { width: 100%; }

.nav-cta { padding: 0.625rem 1.5rem !important; background: var(--color-accent); color: var(--color-bg) !important; border-radius: 6px; font-weight: 500; transition: transform var(--transition-fast), box-shadow var(--transition-fast); }
.nav-cta::after { display: none !important; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--color-accent-glow); color: var(--color-bg) !important; }

.theme-toggle { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 50%; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all var(--transition-fast); color: var(--color-text-secondary); flex-shrink: 0; }
.theme-toggle:hover { border-color: var(--color-accent); color: var(--color-accent); }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .sun-icon { display: none; }
.theme-toggle .moon-icon { display: block; }
[data-theme="light"] .theme-toggle .sun-icon { display: block; }
[data-theme="light"] .theme-toggle .moon-icon { display: none; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: var(--space-xs); flex-direction: column; gap: 5px; z-index: 1001; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--color-text); transition: var(--transition-fast); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: var(--color-bg); flex-direction: column; justify-content: center; gap: var(--space-lg); opacity: 0; visibility: hidden; transition: all var(--transition-smooth); }
  .nav.is-open { opacity: 1; visibility: visible; }
  .nav a { font-size: 1.5rem; }
  .nav-cta { font-size: 1.125rem !important; padding: 0.875rem 2rem !important; }
  .theme-toggle { position: absolute; top: var(--space-lg); right: var(--space-xl); }
}

/* ─────────────────────────────────────────────────────────────
   Hero Section
   ───────────────────────────────────────────────────────────── */
.hero-content { max-width: 860px; }
.hero-label { display: inline-flex; align-items: center; gap: var(--space-sm); font-size: 0.875rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.15em; color: var(--color-accent); margin-bottom: var(--space-xl); opacity: 0; transform: translateY(15px); animation: fadeUp 0.6s var(--ease-out-expo) 0.2s forwards; }
.hero-label::before { content: ''; width: 40px; height: 1px; background: var(--color-accent); }
.hero h1 { margin-bottom: var(--space-xl); opacity: 0; transform: translateY(30px); animation: fadeUp 0.8s var(--ease-out-expo) 0.3s forwards; }
.hero-description { font-size: 1.25rem; color: var(--color-text-secondary); max-width: 620px; margin-bottom: var(--space-2xl); opacity: 0; transform: translateY(20px); animation: fadeUp 0.6s var(--ease-out-expo) 0.5s forwards; }
@media (min-width: 1200px) { .hero-description { font-size: 1.375rem; } }
.hero-cta { display: flex; gap: var(--space-md); flex-wrap: wrap; opacity: 0; transform: translateY(15px); animation: fadeUp 0.6s var(--ease-out-expo) 0.6s forwards; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

.scroll-indicator { position: absolute; bottom: var(--space-2xl); left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: var(--space-sm); color: var(--color-text-muted); font-size: 0.75rem; letter-spacing: 0.1em; opacity: 0; animation: fadeUp 0.6s var(--ease-out-expo) 1s forwards; }
.scroll-indicator::after { content: ''; width: 1px; height: 50px; background: linear-gradient(to bottom, var(--color-text-muted), transparent); animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine { 0%, 100% { transform: scaleY(1); opacity: 0.5; } 50% { transform: scaleY(0.5); opacity: 1; } }
@media (max-width: 768px) { .scroll-indicator { display: none; } }

/* ─────────────────────────────────────────────────────────────
   Buttons
   ───────────────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: var(--space-xs); font-family: var(--font-body); font-size: 0.9375rem; font-weight: 500; padding: 0.875rem 1.75rem; border-radius: 8px; border: none; cursor: pointer; transition: all var(--transition-smooth); text-decoration: none; white-space: nowrap; }
.btn svg { width: 18px; height: 18px; }
.btn--primary { background: var(--color-accent); color: var(--color-bg); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px var(--color-accent-glow); color: var(--color-bg); }
.btn--secondary { background: transparent; color: var(--color-text); border: 1px solid var(--color-border-light); }
.btn--secondary:hover { border-color: var(--color-accent); background: var(--color-accent-soft); color: var(--color-text); }

/* ─────────────────────────────────────────────────────────────
   Section Headers
   ───────────────────────────────────────────────────────────── */
.section-header { margin-bottom: var(--space-3xl); }
.section-number { font-family: var(--font-body); font-size: 0.8125rem; font-weight: 500; color: var(--color-accent); margin-bottom: var(--space-sm); display: block; letter-spacing: 0.05em; }
.section-header h2 { margin-bottom: var(--space-md); }
.section-header p { max-width: 560px; font-size: 1.0625rem; }

/* ─────────────────────────────────────────────────────────────
   Work/Projects
   ───────────────────────────────────────────────────────────── */
.work-grid { display: grid; gap: var(--space-2xl); }
.project-card { display: grid; grid-template-columns: 1.15fr 1fr; gap: var(--space-3xl); padding: var(--space-2xl); background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: 16px; transition: all var(--transition-smooth); text-decoration: none; align-items: center; }
.project-card:hover { border-color: var(--color-border-light); transform: translateY(-4px); box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2); }
.project-card:nth-child(even) { direction: rtl; }
.project-card:nth-child(even) > * { direction: ltr; }
.project-image { aspect-ratio: 16/11; background: var(--color-surface); border-radius: 10px; overflow: hidden; }
.project-image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.project-card:hover .project-image img { transform: scale(1.04); }
.project-content h3 { font-size: 1.5rem; margin-bottom: var(--space-sm); color: var(--color-text); transition: color var(--transition-fast); }
.project-card:hover .project-content h3 { color: var(--color-accent); }
.project-meta { display: flex; gap: var(--space-xs); margin-bottom: var(--space-md); flex-wrap: wrap; }
.project-tag { font-size: 0.75rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-accent); padding: 0.375rem 0.75rem; background: var(--color-accent-soft); border-radius: 4px; }
.project-description { font-size: 1rem; margin-bottom: var(--space-lg); line-height: 1.7; }
.project-link { display: inline-flex; align-items: center; gap: var(--space-xs); font-size: 0.9375rem; font-weight: 500; color: var(--color-accent); }
.project-link svg { width: 16px; height: 16px; transition: transform var(--transition-fast); }
.project-card:hover .project-link svg { transform: translateX(4px); }

@media (max-width: 900px) {
  .project-card { grid-template-columns: 1fr; gap: var(--space-lg); padding: var(--space-lg); }
  .project-card:nth-child(even) { direction: ltr; }
  .project-image { aspect-ratio: 16/10; }
}

/* ─────────────────────────────────────────────────────────────
   Services
   ───────────────────────────────────────────────────────────── */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }
@media (max-width: 1024px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .services-grid { grid-template-columns: 1fr; } }

.service-card { padding: var(--space-xl); background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: 12px; transition: all var(--transition-smooth); position: relative; overflow: hidden; }
@media (min-width: 1200px) { .service-card { padding: var(--space-2xl); } }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--color-accent); transform: scroshankdk(0); transform-origin: left; transition: transform var(--transition-smooth); }
.service-card:hover { border-color: var(--color-border-light); transform: translateY(-4px); }
.service-card:hover::before { transform: scroshankdk(1); }
.service-icon { width: 52px; height: 52px; background: var(--color-accent-soft); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-lg); }
.service-icon svg { width: 26px; height: 26px; color: var(--color-accent); }
.service-card h3 { font-size: 1.125rem; margin-bottom: var(--space-sm); }
.service-card p { font-size: 0.9375rem; margin-bottom: 0; line-height: 1.65; }

/* ─────────────────────────────────────────────────────────────
   Tech Stack
   ───────────────────────────────────────────────────────────── */
.tech-section { background: var(--color-bg-elevated); }
.tech-categories { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-2xl); }
@media (max-width: 900px) { .tech-categories { grid-template-columns: 1fr; gap: var(--space-xl); } }
.tech-category h4 { font-size: 0.875rem; color: var(--color-accent); margin-bottom: var(--space-lg); padding-bottom: var(--space-sm); border-bottom: 1px solid var(--color-border); font-family: var(--font-body); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }
.tech-list { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.tech-item { display: inline-flex; align-items: center; gap: var(--space-xs); padding: 0.5rem 1rem; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 6px; font-size: 0.875rem; color: var(--color-text-secondary); transition: all var(--transition-fast); }
.tech-item:hover { border-color: var(--color-accent); color: var(--color-text); }

/* ─────────────────────────────────────────────────────────────
   Experience
   ───────────────────────────────────────────────────────────── */
.experience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3xl); }
@media (max-width: 900px) { .experience-grid { grid-template-columns: 1fr; gap: var(--space-2xl); } }
.experience-column h3 { font-size: 1.25rem; margin-bottom: var(--space-xl); padding-bottom: var(--space-sm); border-bottom: 1px solid var(--color-border); color: var(--color-text); }

.timeline { position: relative; padding-left: var(--space-xl); }
.timeline::before { content: ''; position: absolute; left: 0; top: 8px; bottom: 8px; width: 2px; background: var(--color-border); }
.timeline-item { position: relative; margin-bottom: var(--space-xl); }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item::before { content: ''; position: absolute; left: calc(-1 * var(--space-xl) - 4px); top: 8px; width: 10px; height: 10px; background: var(--color-accent); border-radius: 50%; }
.timeline-item h4 { font-family: var(--font-body); font-size: 1.0625rem; font-weight: 600; color: var(--color-text); margin-bottom: 0.25rem; }
.timeline-item .company { font-size: 0.9375rem; color: var(--color-accent); margin-bottom: 0.25rem; }
.timeline-item .date { font-size: 0.8125rem; color: var(--color-text-muted); margin-bottom: var(--space-sm); }
.timeline-item p { font-size: 0.9375rem; margin-bottom: 0; line-height: 1.6; }

.credential-list { display: flex; flex-direction: column; gap: var(--space-lg); }
.credential-item { display: flex; gap: var(--space-lg); padding: var(--space-lg); background: var(--color-surface); border-radius: 10px; }
.credential-icon { width: 48px; height: 48px; background: var(--color-accent-soft); border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.credential-icon svg { width: 24px; height: 24px; color: var(--color-accent); }
.credential-item h4 { font-family: var(--font-body); font-size: 1rem; font-weight: 600; color: var(--color-text); margin-bottom: 0.25rem; }
.credential-item .institution { font-size: 0.9375rem; color: var(--color-text-secondary); margin-bottom: 0.25rem; }
.credential-item .year { font-size: 0.8125rem; color: var(--color-text-muted); }

/* ─────────────────────────────────────────────────────────────
   About
   ───────────────────────────────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 0.8fr 1fr; gap: var(--space-3xl); align-items: start; }
.about-image { aspect-ratio: 4/5; border-radius: 16px; overflow: hidden; position: relative; position: sticky; top: 120px; }
.about-image img { width: 100%; height: 100%; object-fit: cover; }
.about-image::after { content: ''; position: absolute; inset: 0; border: 1px solid var(--color-border); border-radius: 16px; pointer-events: none; }
.about-content h2 { margin-bottom: var(--space-lg); }
.about-content p { font-size: 1.0625rem; }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); margin-top: var(--space-2xl); padding-top: var(--space-2xl); border-top: 1px solid var(--color-border); }
.stat { text-align: center; }
.stat-number { font-family: var(--font-display); font-size: 2.5rem; color: var(--color-accent); display: block; line-height: 1; margin-bottom: var(--space-xs); }
.stat-label { font-size: 0.8125rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.1em; }

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .about-image { max-width: 360px; margin: 0 auto; aspect-ratio: 1; position: relative; top: 0; }
}

/* ─────────────────────────────────────────────────────────────
   Testimonials Carousel - Infinite Circular
   ───────────────────────────────────────────────────────────── */
.testimonials-section { overflow: hidden; }
.testimonials-wrapper { position: relative; max-width: var(--max-width-wide); margin: 0 auto; }
.testimonials-track { display: flex; transition: transform 0.6s var(--ease-out-expo); }
.testimonial-slide { flex: 0 0 100%; padding: 0 var(--space-lg); }
.testimonial-card { padding: var(--space-2xl) var(--space-3xl); background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: 16px; max-width: 800px; margin: 0 auto; text-align: center; }
@media (max-width: 768px) { .testimonial-card { padding: var(--space-xl); } }
.testimonial-quote { font-family: var(--font-display); font-size: 1.5rem; font-style: italic; line-height: 1.5; color: var(--color-text); margin-bottom: var(--space-xl); }
@media (min-width: 1200px) { .testimonial-quote { font-size: 1.75rem; } }
.testimonial-quote::before { content: '"'; color: var(--color-accent); }
.testimonial-quote::after { content: '"'; color: var(--color-accent); }
.testimonial-author { display: flex; align-items: center; justify-content: center; gap: var(--space-md); }
.testimonial-avatar { width: 60px; height: 60px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.testimonial-avatar img { width: 100%; height: 100%; object-fit: cover; }
.testimonial-info { text-align: left; }
.testimonial-name { font-weight: 600; font-size: 1.0625rem; color: var(--color-text); }
.testimonial-role { font-size: 0.9375rem; color: var(--color-text-muted); }

.testimonials-controls { display: flex; justify-content: center; align-items: center; gap: var(--space-xl); margin-top: var(--space-2xl); }
.testimonial-btn { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--color-border); background: var(--color-bg-elevated); color: var(--color-text-secondary); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all var(--transition-fast); }
.testimonial-btn:hover { border-color: var(--color-accent); color: var(--color-accent); background: var(--color-accent-soft); }
.testimonial-btn svg { width: 20px; height: 20px; }
.testimonials-dots { display: flex; gap: var(--space-sm); }
.testimonial-dot { width: 12px; height: 12px; border-radius: 50%; border: none; background: var(--color-border); cursor: pointer; transition: all var(--transition-fast); }
.testimonial-dot.active { background: var(--color-accent); transform: scale(1.15); }
.testimonial-dot:hover:not(.active) { background: var(--color-text-muted); }

/* ─────────────────────────────────────────────────────────────
   Blog
   ───────────────────────────────────────────────────────────── */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); }
@media (max-width: 900px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .blog-grid { grid-template-columns: 1fr; } }

.blog-card { display: flex; flex-direction: column; background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: 12px; overflow: hidden; transition: all var(--transition-smooth); text-decoration: none; }
.blog-card:hover { border-color: var(--color-border-light); transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15); }
.blog-card__image { aspect-ratio: 16/10; background: var(--color-surface); overflow: hidden; }
.blog-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.blog-card:hover .blog-card__image img { transform: scale(1.04); }
.blog-card__content { padding: var(--space-xl); flex: 1; display: flex; flex-direction: column; }
.blog-card__meta { display: flex; align-items: center; gap: var(--space-sm); font-size: 0.8125rem; color: var(--color-text-muted); margin-bottom: var(--space-sm); }
.blog-card__meta span:not(:last-child)::after { content: '·'; margin-left: var(--space-sm); }
.blog-card h3 { font-size: 1.1875rem; margin-bottom: var(--space-sm); color: var(--color-text); transition: color var(--transition-fast); line-height: 1.35; }
.blog-card:hover h3 { color: var(--color-accent); }
.blog-card__excerpt { font-size: 0.9375rem; color: var(--color-text-secondary); flex: 1; margin-bottom: 0; line-height: 1.6; }

/* ─────────────────────────────────────────────────────────────
   Contact
   ───────────────────────────────────────────────────────────── */
.contact-section { background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-elevated) 100%); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: var(--space-3xl); }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: var(--space-xl); } }
.contact-info h1, .contact-info h2 { font-size: 2rem; margin-bottom: var(--space-md); }
.contact-info > p { font-size: 1.0625rem; margin-bottom: var(--space-xl); }
.contact-details { display: flex; flex-direction: column; gap: var(--space-md); }
.contact-item { display: flex; align-items: center; gap: var(--space-lg); padding: var(--space-md) var(--space-lg); background: var(--color-surface); border-radius: 10px; text-decoration: none; transition: all var(--transition-fast); }
.contact-item:hover { background: var(--color-bg-hover); transform: translateX(6px); }
.contact-item__icon { width: 44px; height: 44px; background: var(--color-accent-soft); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--color-accent); flex-shrink: 0; }
.contact-item__icon svg { width: 20px; height: 20px; }
.contact-item__label { font-size: 0.75rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.contact-item__value { color: var(--color-text); font-size: 1rem; font-weight: 500; }

.contact-form { background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: 16px; padding: var(--space-2xl); }
@media (min-width: 1200px) { .contact-form { padding: var(--space-3xl); } }
@media (max-width: 640px) { .contact-form { padding: var(--space-xl); } }
.form-group { margin-bottom: var(--space-lg); }
.form-group label { display: block; font-size: 0.9375rem; font-weight: 500; margin-bottom: var(--space-xs); color: var(--color-text); }
.form-group input, .form-group textarea { width: 100%; padding: 0.875rem 1.125rem; font-family: var(--font-body); font-size: 1rem; color: var(--color-text); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 8px; transition: all var(--transition-fast); }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 4px var(--color-accent-soft); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--color-text-muted); }
.form-group textarea { min-height: 150px; resize: vertical; }
.contact-form .btn { width: 100%; justify-content: center; padding: 1rem 2rem; font-size: 1rem; }

/* ─────────────────────────────────────────────────────────────
   Footer
   ───────────────────────────────────────────────────────────── */
.site-footer { padding: var(--space-2xl) 0; border-top: 1px solid var(--color-border); }
.footer-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-lg); }
.footer-text { font-size: 0.9375rem; color: var(--color-text-muted); margin: 0; }
.footer-links { display: flex; gap: var(--space-xl); }
.footer-links a { font-size: 0.9375rem; color: var(--color-text-secondary); }
.footer-links a:hover { color: var(--color-accent); }
@media (max-width: 640px) { .footer-content { flex-direction: column; text-align: center; } }

/* ─────────────────────────────────────────────────────────────
   Article Pages
   ───────────────────────────────────────────────────────────── */
.article-header { padding-top: 120px; padding-bottom: var(--space-2xl); text-align: center; max-width: var(--max-width-content); margin: 0 auto; padding-left: var(--space-xl); padding-right: var(--space-xl); }
.article-meta { font-size: 0.9375rem; color: var(--color-text-muted); margin-bottom: var(--space-md); }
.article-title { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: var(--space-md); }
.article-description { font-size: 1.1875rem; color: var(--color-text-secondary); font-style: italic; }
.article-content { max-width: var(--max-width-content); margin: 0 auto; padding: 0 var(--space-xl); }
.article-content h2 { font-size: 1.75rem; margin-top: var(--space-3xl); margin-bottom: var(--space-lg); }
.article-content p { font-size: 1.0625rem; line-height: 1.8; }
.article-content blockquote { border-left: 3px solid var(--color-accent); padding-left: var(--space-xl); margin: var(--space-xl) 0; font-style: italic; color: var(--color-text-secondary); font-size: 1.1875rem; }

.author-box { max-width: var(--max-width-content); margin: var(--space-3xl) auto 0; padding: var(--space-xl); background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: 12px; }
.author-box__header { display: flex; align-items: center; gap: var(--space-md); margin-bottom: var(--space-md); }
.author-box__avatar { width: 64px; height: 64px; border-radius: 50%; overflow: hidden; }
.author-box__avatar img { width: 100%; height: 100%; object-fit: cover; }
.author-box__name { font-family: var(--font-display); font-size: 1.25rem; color: var(--color-text); }
.author-box__title { font-size: 0.9375rem; color: var(--color-text-muted); }
.author-box p { font-size: 1rem; margin-bottom: 0; }

.back-link { display: inline-flex; align-items: center; gap: var(--space-xs); font-size: 0.9375rem; color: var(--color-text-muted); margin-bottom: var(--space-xl); padding-top: 120px; }
.back-link:hover { color: var(--color-accent); }
.back-link svg { width: 16px; height: 16px; transition: transform var(--transition-fast); }
.back-link:hover svg { transform: translateX(-4px); }

/* ─────────────────────────────────────────────────────────────
   FAQ & CTA
   ───────────────────────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: var(--space-xl); margin-top: var(--space-2xl); }
.faq-item h3 { font-size: 1.0625rem; margin-bottom: var(--space-sm); color: var(--color-text); }
.faq-item p { font-size: 1rem; margin-bottom: 0; }

.cta-section { max-width: 640px; margin: 0 auto; text-align: center; }
.cta-section h2 { margin-bottom: var(--space-md); }
.cta-section p { font-size: 1.125rem; margin-bottom: var(--space-xl); }
.cta-buttons { display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap; }

/* ─────────────────────────────────────────────────────────────
   Animations & Utils
   ───────────────────────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.15s; }
.reveal-delay-3 { transition-delay: 0.2s; }
.reveal-delay-4 { transition-delay: 0.25s; }
.loading { text-align: center; padding: var(--space-2xl); color: var(--color-text-muted); }

body::before { content: ''; position: fixed; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 9999; opacity: 0.012; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E"); }
[data-theme="light"] body::before { opacity: 0.025; }

.newsletter-form { display: flex; gap: var(--space-sm); max-width: 420px; margin: 0 auto; }
.newsletter-form input { flex: 1; padding: 0.875rem 1.125rem; font-family: var(--font-body); font-size: 1rem; color: var(--color-text); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 8px; min-width: 0; }
.newsletter-form input:focus { outline: none; border-color: var(--color-accent); }
@media (max-width: 480px) { .newsletter-form { flex-direction: column; } .newsletter-form .btn { width: 100%; justify-content: center; } }