/* ========================================
   VINAY MADDINENI — Premium Portfolio
   Design System v2.0
   ======================================== */

:root {
  --bg-primary: #07070d;
  --bg-secondary: #0c0c18;
  --bg-card: rgba(255,255,255,0.02);
  --bg-card-hover: rgba(255,255,255,0.04);
  --gold: #d4a853;
  --gold-light: #f0d078;
  --gold-dark: #b8913a;
  --gold-glow: rgba(212,168,83,0.25);
  --gold-subtle: rgba(212,168,83,0.08);
  --wa-green: #25D366;
  --wa-dark: #128C7E;
  --text-primary: #f0ece4;
  --text-secondary: #a09888;
  --text-muted: #6b6358;
  --border-color: rgba(212,168,83,0.12);
  --border-light: rgba(255,255,255,0.06);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(212,168,83,0.15);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --max-width: 1200px;
  --nav-height: 72px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-height); }

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--gold); color: var(--bg-primary); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul { list-style: none; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

.gold-text { color: var(--gold); }

/* ---- Cursor Glow ---- */
#cursor-glow {
  position: fixed; top: 0; left: 0; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(212,168,83,0.06) 0%, transparent 70%);
  pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
}

/* ---- WhatsApp Floating Button ---- */
.whatsapp-float {
  position: fixed; bottom: 90px; right: 24px; z-index: 9998;
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--wa-green), var(--wa-dark));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: var(--transition); animation: waPulse 2s ease-in-out infinite;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 30px rgba(37,211,102,0.6); color: #fff; }
.whatsapp-tooltip {
  position: absolute; right: 66px; background: var(--bg-card);
  backdrop-filter: blur(12px); border: 1px solid var(--border-color);
  color: var(--text-primary); padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 0.8rem; white-space: nowrap; opacity: 0; pointer-events: none;
  transition: var(--transition);
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }
@keyframes waPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.06); } }

/* ---- Navigation ---- */
#navbar {
  position: fixed; top: 0; left: 0; width: 100%;
  height: var(--nav-height); z-index: 1000;
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(7,7,13,0.85);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border-color);
}
.nav-container {
  max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}

.logo {
  font-family: var(--font-display); font-size: 1.6rem; font-weight: 700;
  letter-spacing: 2px; display: flex; align-items: center; gap: 2px;
  color: var(--text-primary);
}
.logo-text {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--bg-primary); border-radius: 8px; font-size: 1.2rem; font-weight: 700;
  margin-right: 2px;
}

.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  font-size: 0.85rem; font-weight: 500; color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 1px; position: relative; padding: 4px 0;
  transition: var(--transition);
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
  background: var(--gold); transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--gold); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta { padding: 10px 24px !important; font-size: 0.8rem !important; text-transform: uppercase; letter-spacing: 1px; }

.menu-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 28px; height: 20px; position: relative; z-index: 1001;
}
.menu-toggle span {
  display: block; width: 100%; height: 2px; background: var(--text-primary);
  border-radius: 2px; transition: var(--transition);
  position: absolute; left: 0;
}
.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 9px; }
.menu-toggle span:nth-child(3) { top: 18px; }
.menu-toggle.active span:nth-child(1) { top: 9px; transform: rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { top: 9px; transform: rotate(-45deg); }

/* ---- CTA Button ---- */
.cta-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px; border-radius: 50px; font-weight: 600; font-size: 0.9rem;
  border: none; cursor: pointer; transition: var(--transition);
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--bg-primary); letter-spacing: 0.3px;
}
.cta-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.cta-btn.outline {
  background: transparent; color: var(--gold);
  border: 1.5px solid var(--gold);
}
.cta-btn.outline:hover { background: var(--gold); color: var(--bg-primary); }
.cta-btn i { font-size: 1rem; }
.wa-btn { background: linear-gradient(135deg, var(--wa-green), var(--wa-dark)) !important; }
.wa-btn:hover { box-shadow: 0 4px 20px rgba(37,211,102,0.4) !important; }

/* ---- Section ---- */
.section { padding: 100px 0; position: relative; }
.section-header { text-align: center; margin-bottom: 60px; }

.section-subtitle {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 3px; color: var(--gold);
  margin-bottom: 12px; position: relative;
}
.section-subtitle::before, .section-subtitle::after {
  content: ''; display: inline-block; width: 30px; height: 1px;
  background: var(--gold); vertical-align: middle; margin: 0 12px; opacity: 0.5;
}
.section-title {
  font-family: var(--font-display); font-size: 2.8rem; font-weight: 700;
  color: var(--text-primary); line-height: 1.2;
}
.section-divider {
  width: 60px; height: 3px; background: linear-gradient(90deg, var(--gold), transparent);
  margin: 20px auto 0; border-radius: 2px;
}

/* ---- Hero Slider ---- */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; padding: 120px 24px 80px;
}
.hero-slider { position: absolute; inset: 0; z-index: 0; }
.hero-slide {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1.2s ease-in-out; transform: scale(1.05);
}
.hero-slide.active { opacity: 1; transform: scale(1); }
.hero-slide::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(7,7,13,0.85) 0%, rgba(7,7,13,0.5) 50%, rgba(7,7,13,0.85) 100%);
}

.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-slider-controls {
  position: absolute; bottom: 90px; left: 50%; transform: translateX(-50%);
  z-index: 3; display: flex; gap: 10px;
}
.slider-dot {
  width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid var(--gold);
  background: transparent; cursor: pointer; transition: var(--transition);
}
.slider-dot.active { background: var(--gold); width: 30px; border-radius: 4px; }

.hero-content { position: relative; z-index: 2; text-align: center; max-width: 820px; }

.hero-greeting {
  font-family: var(--font-display); font-size: 1.1rem; color: var(--gold);
  margin-bottom: 12px; letter-spacing: 4px; text-transform: uppercase;
  opacity: 0; animation: fadeUp 0.8s 0.2s forwards;
}
.hero-name {
  font-family: var(--font-display); font-size: 4.5rem; font-weight: 700;
  line-height: 1.1; margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--gold) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0; animation: fadeUp 0.8s 0.4s forwards;
}
.hero-typing-wrapper {
  font-size: 1.3rem; color: var(--text-secondary); margin-bottom: 24px; min-height: 2rem;
  opacity: 0; animation: fadeUp 0.8s 0.6s forwards;
}
#typed-text { color: var(--gold-light); }
.cursor { display: inline-block; color: var(--gold); animation: blink 0.7s infinite; margin-left: 2px; font-weight: 100; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-desc {
  font-size: 1.05rem; color: var(--text-secondary); max-width: 650px; margin: 0 auto 36px;
  line-height: 1.8; opacity: 0; animation: fadeUp 0.8s 0.8s forwards;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; opacity: 0; animation: fadeUp 0.8s 1s forwards; }
.hero-cta { padding: 16px 36px; font-size: 1rem; }
.hero-wa { background: linear-gradient(135deg, var(--wa-green), var(--wa-dark)) !important; }
.hero-wa:hover { box-shadow: 0 4px 20px rgba(37,211,102,0.4) !important; }

.hero-socials {
  display: flex; gap: 20px; justify-content: center; margin-top: 40px;
  opacity: 0; animation: fadeUp 0.8s 1.2s forwards;
}
.hero-socials a {
  width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; border: 1px solid var(--border-color);
  color: var(--text-secondary); font-size: 1.1rem; transition: var(--transition);
}
.hero-socials a:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-3px); box-shadow: var(--shadow-glow); }

.scroll-indicator {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 0.65rem; text-transform: uppercase;
  letter-spacing: 2px; animation: fadeUp 0.8s 1.5s forwards; opacity: 0;
}
.scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--gold), transparent); animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

/* ---- About ---- */
.about-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: center; }
.about-image { position: relative; }
.about-image-frame {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border-color); background: var(--bg-card);
}
.about-image-frame img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 3/4; transition: var(--transition-slow); }
.about-image-frame:hover img { transform: scale(1.03); }

.about-image-badge {
  position: absolute; bottom: -16px; right: -16px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--bg-primary); padding: 14px 20px; border-radius: var(--radius-sm);
  display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 0.85rem;
  box-shadow: var(--shadow-glow);
}
.about-image-badge i { font-size: 1.2rem; }
.about-content h3 { font-family: var(--font-display); font-size: 1.8rem; margin-bottom: 16px; }
.about-content p { color: var(--text-secondary); margin-bottom: 16px; font-size: 0.95rem; line-height: 1.8; }

.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 32px 0; }
.stat-item { text-align: center; padding: 20px 12px; background: var(--bg-card); border-radius: var(--radius-sm); border: 1px solid var(--border-color); transition: var(--transition); }
.stat-item:hover { border-color: var(--gold); }
.stat-number { display: block; font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--gold); }
.stat-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 4px; display: block; }

/* ---- Skills ---- */
.skills-section { background: var(--bg-secondary); }
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.skill-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 32px; transition: var(--transition); }
.skill-card:hover { background: var(--bg-card-hover); border-color: var(--gold); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.skill-icon { width: 52px; height: 52px; display: flex; align-items: center; justify-content: center; border-radius: 12px; background: var(--gold-subtle); color: var(--gold); font-size: 1.3rem; margin-bottom: 16px; }
.skill-card h4 { font-size: 1.1rem; margin-bottom: 8px; }
.skill-card p { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.6; margin-bottom: 20px; }
.skill-bar { height: 6px; background: rgba(255,255,255,0.06); border-radius: 3px; overflow: hidden; }
.skill-bar-fill { height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--gold-dark), var(--gold-light)); width: 0; transition: width 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94); position: relative; }
.skill-bar-fill span { position: absolute; right: 0; top: -24px; font-size: 0.75rem; font-weight: 600; color: var(--gold); }

/* ---- Services ---- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { cursor: pointer; }
.service-card-inner { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 36px 28px; transition: var(--transition); height: 100%; display: block; color: inherit; }
.service-card:hover .service-card-inner { border-color: var(--gold); transform: translateY(-6px); box-shadow: var(--shadow-glow); background: var(--bg-card-hover); }
.service-icon { width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; border-radius: 14px; background: linear-gradient(135deg, var(--gold-subtle), transparent); color: var(--gold); font-size: 1.4rem; margin-bottom: 20px; transition: var(--transition); }
.service-card:hover .service-icon { background: linear-gradient(135deg, var(--gold), var(--gold-dark)); color: var(--bg-primary); }
.service-card h3 { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: 10px; }
.service-card p { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.7; margin-bottom: 16px; }
.service-features li { font-size: 0.82rem; color: var(--text-muted); padding: 5px 0; display: flex; align-items: center; gap: 8px; }
.service-features li::before { content: '\f00c'; font-family: 'Font Awesome 6 Free'; font-weight: 900; color: var(--gold); font-size: 0.65rem; }
.service-learn-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; font-size: 0.8rem; font-weight: 600; color: var(--gold); text-transform: uppercase; letter-spacing: 0.5px; transition: var(--transition); }
.service-card-inner:hover .service-learn-more { gap: 10px; }

/* ---- Portfolio ---- */
.portfolio-section { background: var(--bg-secondary); }
.portfolio-filters { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn { padding: 10px 24px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 50px; color: var(--text-secondary); font-size: 0.8rem; font-weight: 500; cursor: pointer; transition: var(--transition); text-transform: uppercase; letter-spacing: 0.5px; }
.filter-btn:hover { border-color: var(--gold); color: var(--gold); }
.filter-btn.active { background: var(--gold); border-color: var(--gold); color: var(--bg-primary); }

.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.portfolio-item { border-radius: var(--radius); overflow: hidden; background: var(--bg-card); border: 1px solid var(--border-color); transition: var(--transition); }
.portfolio-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); border-color: var(--gold); }
.portfolio-thumb { position: relative; overflow: hidden; aspect-ratio: 16/10; }
.portfolio-thumb img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition-slow); }
.portfolio-item:hover .portfolio-thumb img { transform: scale(1.08); }
.portfolio-overlay { position: absolute; inset: 0; background: rgba(7,7,13,0.7); backdrop-filter: blur(2px); display: flex; align-items: center; justify-content: center; opacity: 0; transition: var(--transition); }
.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-link { width: 50px; height: 50px; background: var(--gold); color: var(--bg-primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; transform: scale(0.8); transition: var(--transition); }
.portfolio-item:hover .portfolio-link { transform: scale(1); }
.portfolio-link:hover { background: var(--gold-light); }
.portfolio-info { padding: 18px 22px; display: flex; justify-content: space-between; align-items: center; }
.portfolio-info h4 { font-size: 0.95rem; font-weight: 600; }
.portfolio-info span { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1px; color: var(--gold); font-weight: 600; background: var(--gold-subtle); padding: 4px 12px; border-radius: 50px; }

/* ---- Lightbox ---- */
.lightbox {
  display: none; position: fixed; inset: 0; z-index: 10000;
  background: rgba(7,7,13,0.92); backdrop-filter: blur(8px);
  align-items: center; justify-content: center; flex-direction: column;
  opacity: 0; transition: opacity 0.3s ease;
}
.lightbox.open { display: flex; opacity: 1; }
.lightbox-img { max-width: 85vw; max-height: 80vh; object-fit: contain; border-radius: var(--radius-sm); box-shadow: var(--shadow-card); }
.lightbox-caption { color: var(--text-primary); margin-top: 16px; font-size: 0.9rem; text-align: center; }
.lightbox-close {
  position: absolute; top: 24px; right: 32px; background: none; border: none;
  color: var(--text-primary); font-size: 2.5rem; cursor: pointer; transition: var(--transition);
  width: 48px; height: 48px; display: flex; align-items: center; justify-content: center;
}
.lightbox-close:hover { color: var(--gold); transform: rotate(90deg); }
.lightbox-prev, .lightbox-next {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,0.06); border: 1px solid var(--border-color);
  color: var(--text-primary); width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition);
}
.lightbox-prev:hover, .lightbox-next:hover { background: var(--gold); color: var(--bg-primary); }
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

/* ---- Certifications ---- */
.cert-timeline { max-width: 700px; margin: 0 auto; position: relative; padding-left: 40px; }
.cert-timeline::before { content: ''; position: absolute; left: 15px; top: 0; bottom: 0; width: 1px; background: linear-gradient(to bottom, var(--gold), var(--border-color), transparent); }
.cert-item { position: relative; margin-bottom: 32px; display: block; color: inherit; }
.cert-dot { position: absolute; left: -33px; top: 24px; width: 12px; height: 12px; border-radius: 50%; background: var(--gold); border: 3px solid var(--bg-primary); box-shadow: 0 0 0 2px var(--gold); }
.cert-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 24px; display: flex; gap: 18px; align-items: flex-start; transition: var(--transition); }
.cert-card:hover { border-color: var(--gold); background: var(--bg-card-hover); transform: translateX(4px); }
.cert-icon { flex-shrink: 0; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border-radius: 10px; background: var(--gold-subtle); color: var(--gold); font-size: 1.1rem; }
.cert-date { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1px; color: var(--gold); font-weight: 600; }
.cert-content h3 { font-size: 1rem; margin: 4px 0 4px; }
.cert-content p { font-size: 0.82rem; color: var(--text-muted); }

/* ---- Testimonials ---- */
.testimonial-slider { max-width: 700px; margin: 0 auto; overflow: hidden; position: relative; }
.testimonial-track { display: flex; transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.testimonial-card { flex: 0 0 100%; padding: 40px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius); text-align: center; }
.testimonial-stars { margin-bottom: 18px; color: var(--gold); font-size: 0.9rem; letter-spacing: 4px; }
.testimonial-card > p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.8; font-style: italic; margin-bottom: 24px; }
.testimonial-author { display: flex; align-items: center; justify-content: center; gap: 12px; }
.testimonial-avatar { width: 48px; height: 48px; border-radius: 50%; background-size: cover; background-position: center; display: flex; align-items: center; justify-content: center; color: var(--bg-primary); font-weight: 700; font-size: 0.85rem; overflow: hidden; }
.testimonial-avatar span { background: rgba(0,0,0,0.3); width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; backdrop-filter: blur(2px); }
.testimonial-author strong { display: block; font-size: 0.9rem; }
.testimonial-author span { font-size: 0.75rem; color: var(--text-muted); display: block; }

.testimonial-controls { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 28px; }
.testimonial-arrow { width: 44px; height: 44px; border-radius: 50%; background: var(--bg-card); border: 1px solid var(--border-color); color: var(--text-secondary); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.testimonial-arrow:hover { border-color: var(--gold); color: var(--gold); }
.testimonial-dots { display: flex; gap: 8px; }
.testimonial-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border-color); border: none; cursor: pointer; transition: var(--transition); }
.testimonial-dot.active { background: var(--gold); width: 24px; border-radius: 4px; }

/* ---- Blog ---- */
.blog-section { background: var(--bg-secondary); }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.blog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-glow); border-color: var(--gold); }
.blog-thumb { aspect-ratio: 16/9; overflow: hidden; }
.blog-thumb img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition-slow); }
.blog-card:hover .blog-thumb img { transform: scale(1.06); }
.blog-body { padding: 24px; }
.blog-category { display: inline-block; font-size: 0.65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--gold); background: var(--gold-subtle); padding: 4px 12px; border-radius: 50px; margin-bottom: 12px; }
.blog-body h3 { font-family: var(--font-display); font-size: 1.15rem; line-height: 1.4; margin-bottom: 10px; }
.blog-excerpt { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.6; margin-bottom: 16px; }
.blog-meta { display: flex; gap: 16px; font-size: 0.75rem; color: var(--text-muted); margin-bottom: 14px; }
.blog-meta i { margin-right: 4px; }
.blog-link { font-size: 0.85rem; font-weight: 600; color: var(--gold); display: inline-flex; align-items: center; gap: 6px; }
.blog-link:hover { gap: 10px; }
.blog-cta { text-align: center; margin-top: 40px; }

/* ---- Contact ---- */
.contact-section::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: flex-start; }
.contact-info h3 { font-family: var(--font-display); font-size: 1.8rem; margin-bottom: 16px; }
.contact-info > p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.8; margin-bottom: 32px; }
.contact-details { display: flex; flex-direction: column; gap: 18px; margin-bottom: 28px; }
.contact-item { display: flex; align-items: center; gap: 16px; }
.contact-item-icon { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; border-radius: 12px; background: var(--gold-subtle); color: var(--gold); font-size: 1.1rem; flex-shrink: 0; }
.contact-item strong { display: block; font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.contact-item a, .contact-item span { font-size: 0.95rem; color: var(--text-primary); }
.contact-item a:hover { color: var(--gold); }

.contact-socials { display: flex; gap: 14px; }
.contact-socials a { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border-radius: 50%; border: 1px solid var(--border-color); color: var(--text-secondary); transition: var(--transition); }
.contact-socials a:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-3px); }

.contact-cta-group { display: flex; gap: 14px; margin-top: 1.5rem; flex-wrap: wrap; }

.contact-form-wrapper { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group input, .form-group textarea {
  width: 100%; padding: 14px 18px; background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-color); border-radius: var(--radius-sm);
  color: var(--text-primary); font-family: var(--font-body); font-size: 0.9rem;
  outline: none; transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-glow); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }
.submit-btn { width: 100%; justify-content: center; margin-top: 8px; }

/* ---- Footer ---- */
.footer { padding: 60px 0 30px; border-top: 1px solid var(--border-color); text-align: center; }
.footer-content { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.footer .logo { font-size: 2rem; }
.footer-tagline { color: var(--text-muted); font-size: 0.85rem; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; }
.footer-links a { color: var(--text-secondary); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.5px; }
.footer-links a:hover { color: var(--gold); }
.footer-socials { display: flex; gap: 16px; }
.footer-socials a { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: 50%; border: 1px solid var(--border-color); color: var(--text-secondary); font-size: 1rem; transition: var(--transition); }
.footer-socials a:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-3px); }
.footer-copy { color: var(--text-muted); font-size: 0.75rem; margin-top: 8px; }

.back-to-top {
  position: fixed; bottom: 30px; right: 24px; width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--bg-primary); border-radius: 50%; display: flex;
  align-items: center; justify-content: center; font-size: 1.1rem;
  box-shadow: var(--shadow-glow); opacity: 0; visibility: hidden;
  transform: translateY(20px); transition: var(--transition); z-index: 997;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-3px); }

/* ---- Scroll Animations ---- */
.fade-up { opacity: 0; transform: translateY(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-left.visible { opacity: 1; transform: translateX(0); }
.fade-right { opacity: 0; transform: translateX(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-right.visible { opacity: 1; transform: translateX(0); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .section-title { font-size: 2.2rem; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .skills-grid, .services-grid, .portfolio-grid, .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-name { font-size: 3.2rem; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .menu-toggle { display: flex; }
  .nav-links.open { display: flex; position: fixed; inset: 0; flex-direction: column; align-items: center; justify-content: center; background: rgba(7,7,13,0.96); backdrop-filter: blur(20px); gap: 2rem; z-index: 1000; }
  .nav-links.open a { font-size: 1.1rem; }
}

@media (max-width: 640px) {
  .section { padding: 70px 0; }
  .section-title { font-size: 1.8rem; }
  .hero-name { font-size: 2.4rem; }
  .hero-typing-wrapper { font-size: 1rem; }
  .hero-desc { font-size: 0.9rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .skills-grid, .services-grid, .portfolio-grid, .blog-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cert-timeline { padding-left: 30px; }
  .contact-form-wrapper { padding: 24px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-number { font-size: 1.5rem; }
  .portfolio-filters { gap: 6px; }
  .filter-btn { padding: 8px 16px; font-size: 0.7rem; }
  .section-subtitle::before, .section-subtitle::after { width: 16px; margin: 0 6px; }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
  .whatsapp-float { width: 48px; height: 48px; bottom: 80px; right: 16px; font-size: 1.3rem; }
  .contact-cta-group { flex-direction: column; }
}