/* ============================================
   PICORA - Creative Digital Studio
   User-Friendly Dark Theme
   ============================================ */

:root {
  --bg: #050510;
  --surface: #0d0d1a;
  --surface-2: #14142b;
  --surface-3: #1c1c3a;
  --text: #f0f0f5;
  --text-muted: #8888a5;
  --primary: #00d4aa;
  --primary-light: #5eecd5;
  --primary-dark: #00a88a;
  --accent: #ff6b9d;
  --gradient: linear-gradient(135deg, #00d4aa, #ff6b9d);
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --container: 1200px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 8px 32px rgba(0, 212, 170, 0.2);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }

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

a { text-decoration: none; color: inherit; transition: color var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button { border: none; cursor: pointer; font-family: var(--font); background: none; }
input, textarea { font-family: var(--font); border: none; outline: none; }

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  padding: 8px 16px;
  background: var(--primary);
  color: var(--bg);
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--transition);
}
.skip-link:focus { top: 16px; }

/* Utility */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-label {
  font-size: 13px; font-weight: 700; letter-spacing: 2.5px;
  text-transform: uppercase; color: var(--primary); margin-bottom: 14px;
}
.section-label.center { text-align: center; }
.section-title {
  font-size: clamp(28px, 4.5vw, 44px); font-weight: 800;
  text-align: center; margin-bottom: 16px; line-height: 1.15;
}
.section-desc {
  text-align: center; color: var(--text-muted); max-width: 560px;
  margin: 0 auto 48px; font-size: 16px; line-height: 1.7;
}
.section-desc.center { text-align: center; }
.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 50px;
  font-size: 15px; font-weight: 600; transition: all var(--transition);
}
.btn-fill {
  background: var(--gradient); color: #fff;
  box-shadow: 0 4px 16px rgba(0, 212, 170, 0.2);
}
.btn-fill:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 212, 170, 0.35);
}
.btn-ghost {
  border: 1.5px solid rgba(255,255,255,0.15); color: var(--text);
}
.btn-ghost:hover {
  border-color: var(--primary); color: var(--primary);
  transform: translateY(-2px);
}
.btn-block { width: 100%; justify-content: center; }

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  padding: 18px 0; transition: all var(--transition);
}
.header.scrolled {
  background: rgba(5, 5, 16, 0.92);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 24px; font-weight: 800; letter-spacing: -0.5px; }
.logo span { font-weight: 400; color: var(--text-muted); }

.nav { display: flex; gap: 32px; }
.nav-link {
  font-size: 14px; font-weight: 500; color: var(--text-muted);
  padding: 6px 0; position: relative; transition: color var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--primary);
  border-radius: 2px; transition: width var(--transition);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.menu-toggle { display: none; color: var(--text); font-size: 26px; padding: 4px; }

/* Mobile nav */
.nav.open {
  display: flex; position: fixed; inset: 0;
  background: rgba(5,5,16,0.97); backdrop-filter: blur(20px);
  flex-direction: column; align-items: center; justify-content: center;
  gap: 28px; z-index: 999;
}
.nav.open .nav-link { font-size: 22px; font-weight: 600; }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh; display: flex; flex-direction: column;
  justify-content: center; padding-top: 100px;
  position: relative; overflow: hidden;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 60px;
}
.hero-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: var(--primary);
  background: rgba(0,212,170,0.08); border: 1px solid rgba(0,212,170,0.15);
  padding: 8px 16px; border-radius: 50px; margin-bottom: 20px;
}
.hero-label i { font-size: 11px; }
.hero h1 {
  font-size: clamp(36px, 5.5vw, 60px); font-weight: 800;
  line-height: 1.1; margin-bottom: 20px;
}
.hero-desc {
  font-size: 17px; color: var(--text-muted); max-width: 480px;
  margin-bottom: 32px; line-height: 1.8;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero phone mockup */
.hero-visual { position: relative; min-height: 420px; display: flex; align-items: center; justify-content: center; }
.hero-phone {
  width: 220px; height: 440px; background: var(--surface);
  border: 2px solid rgba(255,255,255,0.08); border-radius: 36px;
  padding: 16px; position: relative; z-index: 2;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.05);
}
.phone-notch {
  width: 80px; height: 24px; background: var(--bg);
  border-radius: 0 0 12px 12px; margin: 0 auto 24px;
}
.phone-content { display: flex; flex-direction: column; gap: 16px; padding: 8px; }
.phone-line {
  height: 10px; background: var(--surface-2);
  border-radius: 5px; width: 100%;
}
.phone-line.short { width: 60%; }
.phone-circle {
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--gradient); margin: 8px auto; opacity: 0.7;
}

/* Animated orbs */
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(60px); opacity: 0.5;
  animation: floatOrb 8s ease-in-out infinite;
}
.orb-1 { width: 280px; height: 280px; background: var(--primary); top: 5%; right: 5%; }
.orb-2 { width: 180px; height: 180px; background: var(--accent); bottom: 15%; left: 5%; animation-delay: -3s; }
.orb-3 { width: 130px; height: 130px; background: var(--primary-light); top: 45%; right: 35%; animation-delay: -5s; }
@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(15px, -20px) scale(1.04); }
  66% { transform: translate(-10px, 15px) scale(0.96); }
}

/* Hero metrics */
.hero-metrics {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; margin-top: 64px; padding: 32px 40px;
  background: var(--surface); border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-lg);
}
.metric { text-align: center; }
.metric strong {
  display: block; font-size: 32px; font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.metric span { font-size: 13px; color: var(--text-muted); font-weight: 500; }

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.about-images { position: relative; height: 420px; }
.about-img { position: absolute; border-radius: var(--radius); overflow: hidden; }
.img-main { width: 75%; top: 0; left: 0; z-index: 2; }
.img-secondary { width: 55%; bottom: 0; right: 0; z-index: 1; }
.img-placeholder {
  width: 100%; height: 320px; background: var(--surface);
  border: 1px solid rgba(0,212,170,0.15); border-radius: var(--radius);
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 12px;
}
.img-placeholder i { font-size: 40px; color: var(--primary); opacity: 0.6; }
.img-placeholder span { font-size: 13px; color: var(--text-muted); font-weight: 500; }
.img-placeholder.small { height: 220px; }
.img-placeholder.small i { font-size: 30px; }

.about-content .section-label { text-align: left; }
.about-content h2 {
  font-size: clamp(24px, 3.5vw, 36px); font-weight: 800;
  line-height: 1.2; margin-bottom: 16px;
}
.about-desc { color: var(--text-muted); margin-bottom: 32px; font-size: 15px; line-height: 1.8; }

.about-features { display: flex; flex-direction: column; gap: 20px; }
.feature {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 16px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid rgba(255,255,255,0.04);
  transition: all var(--transition);
}
.feature:hover {
  border-color: rgba(0,212,170,0.15);
  transform: translateX(4px);
}
.feature-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(0,212,170,0.1); display: flex;
  align-items: center; justify-content: center;
  color: var(--primary); font-size: 18px; flex-shrink: 0;
}
.feature h4 { font-size: 15px; font-weight: 700; margin-bottom: 2px; }
.feature p { font-size: 13px; color: var(--text-muted); line-height: 1.5; }

/* ============================================
   SERVICES SECTION
   ============================================ */
.services { background: var(--surface); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--surface-2); border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius); padding: 32px 24px;
  transition: all var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,212,170,0.2);
  box-shadow: var(--shadow-glow);
}
.service-icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: var(--gradient); display: flex;
  align-items: center; justify-content: center;
  font-size: 22px; color: #fff; margin-bottom: 20px;
}
.service-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ============================================
   WORK / PORTFOLIO
   ============================================ */
.work-filters {
  display: flex; justify-content: center; gap: 10px;
  margin-bottom: 40px; flex-wrap: wrap;
}
.filter {
  padding: 10px 22px; border-radius: 50px; font-size: 13px; font-weight: 600;
  color: var(--text-muted); background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06); transition: all var(--transition);
}
.filter:hover { border-color: var(--primary); color: var(--primary); }
.filter.active { background: var(--gradient); color: #fff; border-color: transparent; }

.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.work-item {
  position: relative; border-radius: var(--radius);
  overflow: hidden; cursor: pointer;
  transition: transform var(--transition);
}
.work-item:hover { transform: translateY(-4px); }
.work-item.hidden { display: none; }
.work-thumb {
  width: 100%; aspect-ratio: 4/3; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.5s ease;
}
.work-thumb i { font-size: 40px; color: rgba(255,255,255,0.7); }
.work-item:hover .work-thumb { transform: scale(1.03); }
.work-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(5,5,16,0.9) 100%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px; opacity: 0; transition: opacity var(--transition);
}
.work-item:hover .work-overlay { opacity: 1; }
.work-overlay h4 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.work-overlay p { font-size: 13px; color: var(--primary); font-weight: 500; }

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials { background: var(--surface); }
.testimonial-carousel { max-width: 680px; margin: 0 auto; text-align: center; }
.testimonial-slide { display: none; padding: 20px; animation: fadeIn 0.4s ease; }
.testimonial-slide.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.quote-icon { font-size: 36px; color: var(--primary); opacity: 0.4; margin-bottom: 16px; }
.testimonial-slide blockquote {
  font-size: 18px; line-height: 1.8; font-style: italic;
  color: var(--text); margin-bottom: 28px;
}
.testimonial-author {
  display: flex; align-items: center; justify-content: center; gap: 14px;
}
.testimonial-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--gradient); display: flex;
  align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; color: var(--bg);
  flex-shrink: 0;
}
.testimonial-author strong { display: block; font-size: 15px; font-weight: 700; }
.testimonial-author span { font-size: 13px; color: var(--text-muted); }

.testimonial-dots {
  display: flex; justify-content: center; gap: 10px; margin-top: 32px;
}
.testimonial-dots .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--surface-2); border: 1px solid rgba(255,255,255,0.1);
  cursor: pointer; transition: all var(--transition);
}
.testimonial-dots .dot.active {
  background: var(--primary); border-color: var(--primary);
  transform: scale(1.3);
}

/* ============================================
   TEAM SECTION
   ============================================ */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.team-card {
  text-align: center; padding: 32px 20px;
  background: var(--surface); border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius); transition: all var(--transition);
}
.team-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,212,170,0.15);
  box-shadow: var(--shadow-glow);
}
.team-img { margin-bottom: 18px; }
.team-placeholder {
  width: 80px; height: 80px; border-radius: 50%; margin: 0 auto;
  background: var(--gradient); display: flex;
  align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800; color: var(--bg);
  border: 3px solid var(--surface-2);
  transition: border-color var(--transition);
}
.team-card:hover .team-placeholder { border-color: var(--primary); }
.team-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.team-role { font-size: 13px; color: var(--primary); font-weight: 500; display: block; margin-bottom: 14px; }
.team-social { display: flex; justify-content: center; gap: 10px; }
.team-social a {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--surface-2); display: flex;
  align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 14px; transition: all var(--transition);
}
.team-social a:hover { background: var(--primary); color: #fff; }

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact { background: var(--surface); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: start; }
.contact-intro { color: var(--text-muted); font-size: 15px; margin-bottom: 32px; line-height: 1.7; }
.info-item {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.04);
}
.info-item:last-child { border-bottom: none; }
.info-icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: rgba(0,212,170,0.1); display: flex;
  align-items: center; justify-content: center;
  color: var(--primary); font-size: 16px; flex-shrink: 0;
}
.info-item h4 { font-size: 14px; font-weight: 600; margin-bottom: 2px; }
.info-item p { font-size: 14px; color: var(--text-muted); }

.contact-form {
  background: var(--surface-2); border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-lg); padding: 36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-size: 13px; font-weight: 600;
  margin-bottom: 6px; color: var(--text);
}
.form-group input, .form-group textarea {
  width: 100%; padding: 13px 16px; background: var(--bg);
  border: 1.5px solid rgba(255,255,255,0.08); border-radius: var(--radius-sm);
  color: var(--text); font-size: 14px; transition: border-color var(--transition);
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }
.form-group textarea { resize: vertical; min-height: 120px; }

.form-feedback {
  margin-top: 14px; padding: 12px 16px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; display: none;
}
.form-feedback.success {
  display: block; background: rgba(0,212,170,0.1);
  color: var(--primary); border: 1px solid rgba(0,212,170,0.2);
}
.form-feedback.error {
  display: block; background: rgba(255,107,157,0.1);
  color: var(--accent); border: 1px solid rgba(255,107,157,0.2);
}

/* ============================================
   FOOTER
   ============================================ */
.footer { padding: 72px 0 0; border-top: 1px solid rgba(255,255,255,0.04); }
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 14px; display: inline-block; }
.footer-brand p { color: var(--text-muted); font-size: 14px; margin-bottom: 20px; line-height: 1.7; max-width: 300px; }
.social-links { display: flex; gap: 10px; }
.social-links a {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--surface-2); border: 1px solid rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 15px; transition: all var(--transition);
}
.social-links a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

.footer-col h4 { font-size: 14px; font-weight: 700; margin-bottom: 16px; }
.footer-col a {
  display: block; font-size: 13px; color: var(--text-muted);
  padding: 5px 0; transition: all var(--transition);
}
.footer-col a:hover { color: var(--primary); transform: translateX(3px); }

.footer-bottom {
  padding: 20px 0; border-top: 1px solid rgba(255,255,255,0.04);
  text-align: center;
}
.footer-bottom p { font-size: 13px; color: var(--text-muted); }

/* ============================================
   SCROLL TO TOP
   ============================================ */
.scroll-top {
  position: fixed; bottom: 28px; right: 28px;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--gradient); color: #fff; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  z-index: 900; opacity: 0; visibility: hidden;
  transform: translateY(16px); transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(0,212,170,0.3);
}
.scroll-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,212,170,0.4); }

/* ============================================
   RESPONSIVE - TABLET (1024px)
   ============================================ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-btns { justify-content: center; }
  .hero-visual { min-height: 300px; }
  .hero-phone { width: 180px; height: 360px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================
   RESPONSIVE - MOBILE (768px)
   ============================================ */
@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .nav { display: none; }
  .menu-toggle { display: block; }
  .hero-metrics { grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 24px; }
  .metric strong { font-size: 26px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-images { height: 300px; }
  .img-placeholder { height: 260px; }
  .img-placeholder.small { height: 180px; }
  .services-grid { grid-template-columns: 1fr; }
  .work-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .testimonial-slide blockquote { font-size: 16px; }
}

/* ============================================
   RESPONSIVE - SMALL MOBILE (480px)
   ============================================ */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 28px; }
  .hero-visual { min-height: 240px; }
  .hero-phone { width: 150px; height: 300px; }
  .orb-1 { width: 180px; height: 180px; }
  .orb-2 { width: 120px; height: 120px; }
  .orb-3 { width: 80px; height: 80px; }
  .work-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: center; }
  .contact-form { padding: 24px 18px; }
  .scroll-top { bottom: 16px; right: 16px; width: 40px; height: 40px; }
}