/* ==========================================================================
   SEDA AKSOY - PORTFOLIO & CONTENT STRATEGY CSS
   Aesthetics: Elegant, Academic, Modern & Fast
   ========================================================================== */

/* Font Display Swap Optimization for Lighthouse 100/100 */
@font-face {
  font-family: 'Font Awesome 6 Free';
  font-display: swap;
}
@font-face {
  font-family: 'Font Awesome 6 Brands';
  font-display: swap;
}

/* CSS Variables */
:root {
  --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
  
  --bg-dark: #0f172a;
  --bg-darker: #090d16;
  --bg-light: #f8fafc;
  --bg-card: #ffffff;
  
  --text-dark: #0f172a;
  --text-muted: #475569;
  --text-light: #f8fafc;
  --text-light-muted: #94a3b8;
  
  --primary: #b45309;      /* Warm Gold / Amber Accent */
  --primary-hover: #d97706;
  --primary-light: #fef3c7;
  --accent-gold: #d4af37;
  --accent-blue: #2563eb;
  --accent-instagram: #e1306c;
  --accent-youtube: #ff0000;
  --accent-linkedin: #0a66c2;
  
  --border-light: #e2e8f0;
  --border-dark: #1e293b;
  
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.15);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Section Common */
.section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  background-color: var(--primary-light);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Glassmorphism Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem 0;
  transition: var(--transition);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-light);
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
}

.logo-img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-gold);
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.35);
  transition: var(--transition);
}

.logo:hover .logo-img {
  transform: scale(1.08) rotate(3deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  color: var(--text-light-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-gold);
}

.social-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.social-nav-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
}

.social-nav-icon:hover.linkedin {
  background: var(--accent-linkedin);
  color: #fff;
}

.social-nav-icon:hover.instagram {
  background: var(--accent-instagram);
  color: #fff;
}

.social-nav-icon:hover.youtube {
  background: var(--accent-youtube);
  color: #fff;
}

.mobile-menu-btn {
  display: none;
  color: var(--text-light);
  font-size: 1.5rem;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
  color: var(--text-light);
  padding: 9rem 0 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, rgba(0,0,0,0) 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-profile-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--accent-gold);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  line-height: 1.15;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--accent-gold);
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.hero-description {
  color: var(--text-light-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--primary) 100%);
  color: #fff;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-light);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  transform: translateY(-2px);
}

.hero-avatar-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-avatar-card {
  position: relative;
  width: 320px;
  height: 380px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid rgba(255, 255, 255, 0.1);
  background: var(--bg-dark);
}

.hero-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.hero-avatar-card:hover .hero-avatar-img {
  transform: scale(1.05);
}

.hero-avatar-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.95), transparent);
  padding: 1.5rem;
  color: #fff;
}

.hero-avatar-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
}

.hero-avatar-tag {
  font-size: 0.85rem;
  color: var(--accent-gold);
}

/* Hakkımda Section */
.about {
  background-color: #fff;
}

.about-card {
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-md);
}

.about-text {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-dark);
  margin-bottom: 2.5rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  top: 0;
}

.service-card:hover {
  top: -5px;
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-gold);
}

.service-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-dark);
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Social Feeds Sections */
.social-section {
  background-color: var(--bg-light);
}

.feed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.feed-title-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.feed-icon-badge {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
}

.feed-icon-badge.instagram {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.feed-icon-badge.youtube {
  background: var(--accent-youtube);
}

.feed-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}

/* Instagram Post Card */
.ig-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.ig-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(225, 48, 108, 0.4);
}

.ig-img-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #f1f5f9;
}

.ig-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.ig-card:hover .ig-img {
  transform: scale(1.06);
}

.ig-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}

.ig-card:hover .ig-overlay {
  opacity: 1;
}

.ig-content {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.ig-caption {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.45;
}

/* YouTube Reel Card */
.yt-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
  position: relative;
}

.yt-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 0, 0, 0.4);
}

.yt-thumb-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  background: #090d16;
}

.yt-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.yt-card:hover .yt-thumb {
  transform: scale(1.06);
}

.yt-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent-youtube);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 15px rgba(255, 0, 0, 0.5);
  transition: var(--transition);
}

.yt-card:hover .yt-play-btn {
  transform: translate(-50%, -50%) scale(1.15);
}

.yt-content {
  padding: 1rem;
  background: #fff;
}

.yt-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}

/* Modal Player */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 9 / 16;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  z-index: 10;
  cursor: pointer;
}

.modal-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Footer */
.footer {
  background-color: var(--bg-darker);
  color: var(--text-light-muted);
  padding: 4rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand-box {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.footer-logo-main {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--accent-gold);
  box-shadow: 0 15px 40px rgba(212, 175, 55, 0.5), 0 0 0 8px rgba(212, 175, 55, 0.2);
  transition: var(--transition);
}

.footer-logo-main:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 20px 50px rgba(212, 175, 55, 0.65), 0 0 0 10px rgba(212, 175, 55, 0.3);
}

.footer-brand-name {
  color: var(--text-light);
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1.2;
}

.footer-brand-tag {
  display: block;
  font-size: 0.85rem;
  color: var(--accent-gold);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 0.2rem;
}

.footer-text {
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-heading {
  color: var(--text-light);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--text-light-muted);
}

.footer-link:hover {
  color: var(--accent-gold);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
}

.footer-credit {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-light-muted);
}

.credit-link {
  color: var(--accent-gold);
  font-weight: 600;
  transition: var(--transition);
}

.credit-link:hover {
  color: #fff;
  text-decoration: underline;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .feed-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .feed-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }
  .feed-header .btn {
    width: 100%;
    justify-content: center;
    white-space: nowrap;
  }
  .feed-title-wrapper {
    gap: 0.85rem;
  }
  .feed-title-wrapper .section-title {
    font-size: 1.4rem !important;
    line-height: 1.3;
  }
  .feed-icon-badge {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    font-size: 1.25rem;
  }
  .hero-grid {
    display: flex;
    flex-direction: column;
    text-align: center;
  }
  .hero-avatar-wrapper {
    order: 1;
    margin-top: 0;
    margin-bottom: 2rem;
  }
  .hero-text-content {
    order: 2;
  }
  .hero-actions {
    justify-content: center;
  }
  .feed-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-dark);
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .nav-links.active {
    display: flex;
  }
  .mobile-menu-btn {
    display: block;
  }
}

@media (max-width: 480px) {
  .feed-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2.5rem;
  }
}