/* ============================================
   XP BİLİŞİM - Ana Stil Dosyası
   ============================================ */

:root {
  --bg-dark: #06040f;
  --bg-card: rgba(255, 255, 255, 0.03);
  --accent-cyan: #8B5CF6;
  --accent-purple: #6D28D9;
  --accent-pink: #3B0764;
  --accent-green: #C4B5FD;
  --text-primary: #ffffff;
  --text-secondary: #f0ebff;
  --text-muted: #c4b5fd;
  --border-glass: rgba(255, 255, 255, 0.08);
  --shadow-neon-cyan: 0 0 18px rgba(139, 92, 246, 0.22);
  --shadow-neon-purple: 0 0 18px rgba(109, 40, 217, 0.22);
  --shadow-neon-pink: 0 0 18px rgba(59, 7, 100, 0.22);
  --gradient-hero: linear-gradient(135deg, #06040f 0%, #0d0820 50%, #130d30 100%);
  --gradient-accent: linear-gradient(135deg, #8B5CF6, #6D28D9);
  --gradient-card: linear-gradient(135deg, rgba(139,92,246,0.05), rgba(109,40,217,0.05));
  --font-main: 'Rajdhani', 'Segoe UI', sans-serif;
  --font-accent: 'Orbitron', monospace;
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --border-radius: 16px;
  --border-radius-lg: 24px;
}

/* ─── SMOOTH SCROLL OFFSET (fixed nav) ─────── */
section[id],
main[id] {
  scroll-margin-top: 90px;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}

a {
  text-decoration: none;
  color: inherit;
}

ul { list-style: none; }

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

/* ─── CUSTOM CURSOR ───────────────────────── */
.cursor {
  width: 12px;
  height: 12px;
  background: var(--accent-cyan);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 99999;
  transition: transform 0.1s ease;
  box-shadow: var(--shadow-neon-cyan);
}

.cursor-follower {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(109, 40, 217, 0.18);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 99998;
  transition: transform 0.15s ease, width 0.3s, height 0.3s, border-color 0.3s;
}

/* ─── SCROLLBAR ───────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 3px;
}

/* ─── LOADING SCREEN ──────────────────────── */
#loading-screen {
  position: fixed;
  inset: 0;
  background: var(--bg-dark);
  z-index: 100000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

#loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-logo {
  font-family: var(--font-accent);
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 2rem;
  letter-spacing: 4px;
}

.loader-bar-bg {
  width: 260px;
  height: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}

.loader-bar {
  height: 100%;
  width: 0%;
  background: var(--gradient-accent);
  border-radius: 2px;
  transition: width 0.05s linear;
  box-shadow: 0 0 12px var(--accent-cyan);
}

.loader-text {
  margin-top: 1rem;
  font-size: 0.75rem;
  letter-spacing: 3px;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ─── NAVIGATION ──────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(5, 5, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border-glass);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-accent);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 2px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-neon-cyan);
}

.logo-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-secondary);
  position: relative;
  transition: var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transition: width 0.3s ease;
  border-radius: 1px;
}

.nav-links a:hover {
  color: var(--accent-cyan);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 0.6rem 1.6rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  transition: var(--transition);
  box-shadow: 0 0 12px rgba(109, 40, 217, 0.15);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 22px rgba(109, 40, 217, 0.25) !important;
}

.nav-cta::after { display: none !important; }

.nav-active {
  color: var(--accent-cyan) !important;
}

.nav-active::after {
  width: 100% !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: transparent;
  border: none;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.hamburger span {
  width: 26px;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 2px;
  transition: var(--transition);
}

/* ─── HERO SECTION ────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

#three-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(109,40,217,0.07) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 50%, rgba(139,92,246,0.05) 0%, transparent 60%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1300px;
  margin: 0 auto;
  padding: 8rem 2rem 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(139,92,246,0.05);
  border: 1px solid rgba(139,92,246,0.12);
  border-radius: 50px;
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.hero-badge span {
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse-dot 1.5s ease infinite;
  box-shadow: 0 0 8px var(--accent-cyan);
}

.hero-title {
  font-family: var(--font-accent);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 1rem;
}

.hero-title .line-1 { color: var(--text-primary); }
.hero-title .line-2 {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  background-size: 200%;
  animation: gradient-shift 3s ease infinite;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  padding: 0.9rem 2.2rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border: none;
  border-radius: 50px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: #ffffff;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 0 16px rgba(109, 40, 217, 0.15);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-primary:hover::before { opacity: 1; }
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(109, 40, 217, 0.25);
}

.btn-primary span, .btn-primary i { position: relative; z-index: 1; }

.btn-secondary {
  padding: 0.9rem 2.2rem;
  background: transparent;
  border: 1px solid rgba(109,40,217,0.18);
  border-radius: 50px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: #ffffff;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(109,40,217,0.06);
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
  box-shadow: var(--shadow-neon-cyan);
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-glass);
}

.hero-stat-num {
  font-family: var(--font-accent);
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-3d-card {
  width: 420px;
  height: 500px;
  position: relative;
  transform-style: preserve-3d;
  animation: float-card 6s ease-in-out infinite;
}

.hero-card-main {
  width: 100%;
  height: 100%;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border-glass);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), var(--shadow-neon-purple);
}

.hero-card-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.2) brightness(0.85);
}

.hero-card-main::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(5,5,16,0.9) 100%);
}

.hero-card-mini {
  position: absolute;
  padding: 1rem 1.4rem;
  background: rgba(5,5,16,0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  animation: float-mini 4s ease-in-out infinite;
}

.hero-card-mini.card-1 {
  top: 10%;
  left: -20%;
  transform: translateZ(40px);
  animation-delay: -1s;
}

.hero-card-mini.card-2 {
  bottom: 15%;
  right: -18%;
  transform: translateZ(60px);
  animation-delay: -2.5s;
}

.mini-icon {
  font-size: 1.4rem;
  margin-bottom: 0.3rem;
}

.mini-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.mini-val {
  font-family: var(--font-accent);
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
}

/* ─── SECTION SHARED ──────────────────────── */
section {
  padding: 6rem 2rem;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-tag {
  display: inline-block;
  padding: 0.3rem 1rem;
  background: rgba(109,40,217,0.07);
  border: 1px solid rgba(109,40,217,0.15);
  border-radius: 50px;
  font-size: 0.72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-purple);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-accent);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-title span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.container {
  max-width: 1300px;
  margin: 0 auto;
}

/* ─── SERVICES SECTION ────────────────────── */
#services {
  background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(13,13,43,0.5) 50%, var(--bg-dark) 100%);
  position: relative;
}

#services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-accent);
  opacity: 0.3;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  perspective: 1000px;
  height: 340px;
  cursor: pointer;
}

.service-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
}

.service-card:hover .service-card-inner {
  transform: rotateY(180deg);
}

.service-card-front,
.service-card-back {
  position: absolute;
  inset: 0;
  border-radius: var(--border-radius);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  padding: 2.5rem;
  border: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
}

.service-card-front {
  background: var(--gradient-card);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.service-card-front::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, rgba(109,40,217,0.03), transparent 70%);
  pointer-events: none;
}

.service-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.service-card:nth-child(1) .service-icon { background: rgba(139,92,246,0.09); color: var(--accent-cyan); box-shadow: 0 0 14px rgba(139,92,246,0.12); }
.service-card:nth-child(2) .service-icon { background: rgba(109,40,217,0.09); color: var(--accent-purple); box-shadow: 0 0 14px rgba(109,40,217,0.12); }
.service-card:nth-child(3) .service-icon { background: rgba(59,7,100,0.12); color: var(--accent-green); box-shadow: 0 0 14px rgba(59,7,100,0.12); }
.service-card:nth-child(4) .service-icon { background: rgba(244,114,182,0.09); color: var(--accent-green); box-shadow: 0 0 14px rgba(244,114,182,0.12); }
.service-card:nth-child(5) .service-icon { background: rgba(139,92,246,0.09); color: var(--accent-cyan); box-shadow: 0 0 14px rgba(139,92,246,0.12); }
.service-card:nth-child(6) .service-icon { background: rgba(109,40,217,0.09); color: var(--accent-purple); box-shadow: 0 0 14px rgba(109,40,217,0.12); }

.service-card-front h3 {
  font-family: var(--font-accent);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 0.8rem;
  position: relative;
  z-index: 1;
}

.service-card-front p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.service-hover-hint {
  margin-top: auto;
  font-size: 0.75rem;
  color: var(--accent-cyan);
  opacity: 0.6;
  letter-spacing: 1px;
  position: relative;
  z-index: 1;
}

.service-card-back {
  background: linear-gradient(135deg, rgba(139,92,246,0.08), rgba(217,70,239,0.12));
  backdrop-filter: blur(10px);
  transform: rotateY(180deg);
  justify-content: center;
  gap: 1rem;
}

.service-card-back h3 {
  font-family: var(--font-accent);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.service-card-back ul { gap: 0.5rem; display: flex; flex-direction: column; }
.service-card-back ul li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-card-back ul li::before {
  content: '▸';
  color: var(--accent-cyan);
  font-size: 0.7rem;
}

.service-back-btn {
  margin-top: 1rem;
  padding: 0.6rem 1.4rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border: none;
  border-radius: 50px;
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--bg-dark);
  cursor: pointer;
  width: fit-content;
  transition: var(--transition);
}

.service-back-btn:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-neon-cyan);
}

/* ─── ABOUT SECTION ───────────────────────── */
#about {
  position: relative;
  overflow: hidden;
}

#about::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(109,40,217,0.08) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-images {
  position: relative;
  height: 520px;
}

.about-img-main {
  width: 75%;
  height: 420px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  position: absolute;
  top: 0;
  left: 0;
  border: 1px solid var(--border-glass);
  box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}

.about-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.about-img-main:hover img {
  transform: scale(1.05);
}

.about-img-secondary {
  width: 55%;
  height: 260px;
  border-radius: var(--border-radius);
  overflow: hidden;
  position: absolute;
  bottom: 0;
  right: 0;
  border: 1px solid var(--border-glass);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), var(--shadow-neon-cyan);
}

.about-img-secondary img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-exp-badge {
  position: absolute;
  top: 30%;
  right: 10%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-radius: var(--border-radius);
  padding: 1.2rem 1.5rem;
  text-align: center;
  box-shadow: 0 10px 24px rgba(109,40,217,0.15);
  z-index: 2;
}

.exp-num {
  font-family: var(--font-accent);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--bg-dark);
  display: block;
}

.exp-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: rgba(5,5,16,0.8);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.about-text .section-header {
  text-align: left;
  max-width: none;
  margin-bottom: 2rem;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 2.5rem;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.2rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.about-feature:hover {
  background: rgba(139,92,246,0.04);
  border-color: rgba(139,92,246,0.2);
  transform: translateX(6px);
}

.about-feature-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.about-feature-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
  color: var(--text-primary);
}

.about-feature-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ─── TECHSTACK SECTION ───────────────────── */
#techstack {
  background: rgba(13,13,43,0.3);
  padding: 4rem 2rem;
}

.tech-scroll-container {
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(90deg, transparent, white 10%, white 90%, transparent);
}

.tech-scroll {
  display: flex;
  gap: 2rem;
  animation: scroll-tech 25s linear infinite;
  width: max-content;
}

.tech-scroll:hover { animation-play-state: paused; }

.tech-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.9rem 1.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  white-space: nowrap;
  transition: var(--transition);
  cursor: default;
}

.tech-item:hover {
  background: rgba(139,92,246,0.06);
  border-color: rgba(139,92,246,0.25);
  transform: translateY(-4px);
}

.tech-item i {
  font-size: 1.4rem;
}

.tech-item span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

/* ─── PORTFOLIO SECTION ───────────────────── */
#portfolio {
  position: relative;
}

.portfolio-filter {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.4rem;
  background: transparent;
  border: 1px solid var(--border-glass);
  border-radius: 50px;
  font-family: var(--font-main);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
}

.filter-btn.active,
.filter-btn:hover {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-color: transparent;
  color: var(--bg-dark);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.portfolio-item {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg-card);
}

.portfolio-item:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 30px 60px rgba(0,0,0,0.4), var(--shadow-neon-purple);
  border-color: rgba(107,79,194,0.18);
}

.portfolio-img {
  width: 100%;
  height: 240px;
  overflow: hidden;
  position: relative;
}

.portfolio-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.portfolio-item:hover .portfolio-img img {
  transform: scale(1.08);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(109,40,217,0.75), rgba(107,79,194,0.75));
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.portfolio-item:hover .portfolio-overlay { opacity: 1; }

.portfolio-overlay a {
  width: 44px;
  height: 44px;
  background: rgba(5,5,16,0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: white;
  transition: var(--transition);
}

.portfolio-overlay a:hover {
  background: var(--bg-dark);
  transform: scale(1.15);
}

.portfolio-info {
  padding: 1.5rem;
}

.portfolio-tag {
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 0.4rem;
}

.portfolio-info h3 {
  font-family: var(--font-accent);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.portfolio-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ─── STATS SECTION ───────────────────────── */
#stats {
  background: linear-gradient(135deg, rgba(139,92,246,0.04) 0%, rgba(217,70,239,0.06) 50%, rgba(255,45,120,0.04) 100%);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  padding: 5rem 2rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item {
  padding: 2rem;
  position: relative;
}

.stat-item::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--border-glass);
}

.stat-item:last-child::after { display: none; }

.stat-number {
  font-family: var(--font-accent);
  font-size: 3.5rem;
  font-weight: 900;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200%;
  animation: gradient-shift 3s ease infinite;
  line-height: 1;
  display: block;
}

.stat-suffix {
  font-size: 2rem;
  color: var(--accent-cyan);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 0.5rem;
}

.stat-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  opacity: 0.6;
}

/* ─── TEAM SECTION ────────────────────────── */
#team {
  position: relative;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
  transform-style: preserve-3d;
  position: relative;
}

.team-card:hover {
  border-color: rgba(107,79,194,0.2);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3), var(--shadow-neon-purple);
}

.team-img {
  width: 100%;
  height: 280px;
  overflow: hidden;
  position: relative;
}

.team-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.5s ease;
  filter: grayscale(20%);
}

.team-card:hover .team-img img {
  transform: scale(1.06);
  filter: grayscale(0%);
}

.team-img::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(transparent, rgba(5,5,16,0.8));
}

.team-info {
  padding: 1.5rem;
  text-align: center;
  position: relative;
}

.team-info h3 {
  font-family: var(--font-accent);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
  letter-spacing: 1px;
}

.team-role {
  font-size: 0.8rem;
  color: var(--accent-cyan);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.team-socials {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
}

.team-socials a {
  width: 34px;
  height: 34px;
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.team-socials a:hover {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-color: transparent;
  color: var(--bg-dark);
  transform: translateY(-3px);
}

/* ─── TESTIMONIALS ────────────────────────── */
#testimonials {
  background: rgba(13,13,43,0.3);
  position: relative;
  overflow: hidden;
}

.testimonials-wrapper {
  position: relative;
  overflow: hidden;
}

.testimonials-slider {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.testimonial-card {
  min-width: 100%;
  padding: 0 1rem;
  display: flex;
  justify-content: center;
}

.testimonial-inner {
  max-width: 750px;
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-lg);
  padding: 3rem;
  text-align: center;
  position: relative;
  backdrop-filter: blur(10px);
}

.testimonial-inner::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 8rem;
  font-family: Georgia, serif;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  opacity: 0.3;
}

.testimonial-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 2rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--accent-cyan);
  box-shadow: var(--shadow-neon-cyan);
}

.testimonial-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-name {
  font-family: var(--font-accent);
  font-size: 0.95rem;
  font-weight: 700;
}

.author-title {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.testimonial-stars {
  color: #ffd700;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  letter-spacing: 3px;
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-glass);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.slider-btn:hover {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-color: transparent;
  color: var(--bg-dark);
}

.slider-dots {
  display: flex;
  gap: 0.5rem;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-glass);
  cursor: pointer;
  transition: var(--transition);
}

.slider-dot.active {
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  width: 24px;
  border-radius: 4px;
}

/* ─── CONTACT SECTION ─────────────────────── */
#contact {
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-accent);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-info p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  transition: var(--transition);
}

.contact-item:hover {
  background: rgba(139,92,246,0.04);
  border-color: rgba(139,92,246,0.2);
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--bg-dark);
  flex-shrink: 0;
}

.contact-item-text span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.contact-item-text strong {
  font-size: 0.9rem;
  font-weight: 600;
}

.contact-socials {
  display: flex;
  gap: 0.8rem;
}

.contact-socials a {
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.contact-socials a:hover {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-color: transparent;
  color: var(--bg-dark);
  transform: translateY(-3px) scale(1.1);
}

.contact-form-wrapper {
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(10px);
}

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

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.9rem 1.2rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent-cyan);
  background: rgba(139,92,246,0.03);
  box-shadow: 0 0 0 3px rgba(139,92,246,0.08);
}

.form-group select option {
  background: #0d0d2b;
}

.form-group textarea {
  height: 130px;
  resize: none;
}

.form-submit {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border: none;
  border-radius: 10px;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--bg-dark);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(109,40,217,0.2);
}

/* ─── FOOTER ──────────────────────────────── */
footer {
  background: rgba(5,5,16,0.95);
  border-top: 1px solid var(--border-glass);
}

.footer-top {
  padding: 4rem 2rem;
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 1rem 0 1.5rem;
  max-width: 300px;
}

.footer-newsletter {
  display: flex;
  gap: 0.5rem;
}

.footer-newsletter input {
  flex: 1;
  padding: 0.7rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.85rem;
  outline: none;
}

.footer-newsletter input:focus {
  border-color: var(--accent-cyan);
}

.footer-newsletter button {
  padding: 0.7rem 1.2rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border: none;
  border-radius: 8px;
  color: var(--bg-dark);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.footer-newsletter button:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-neon-cyan);
}

.footer-col h4 {
  font-family: var(--font-accent);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-primary);
  margin-bottom: 1.2rem;
  text-transform: uppercase;
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-col ul li a::before {
  content: '›';
  color: var(--accent-cyan);
  font-size: 1rem;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  transform: translateX(-8px);
}

.footer-col ul li a:hover {
  color: var(--accent-cyan);
  transform: translateX(4px);
}

.footer-col ul li a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.footer-bottom {
  border-top: 1px solid var(--border-glass);
  padding: 1.5rem 2rem;
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-bottom span { color: var(--accent-pink); }

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: color 0.3s;
}

.footer-bottom-links a:hover { color: var(--accent-cyan); }

/* ─── BACK TO TOP ─────────────────────────── */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--bg-dark);
  cursor: pointer;
  z-index: 500;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(109,40,217,0.2);
  border: none;
}

#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

#back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 22px rgba(109,40,217,0.22);
}

/* ─── REVEAL ANIMATIONS ───────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.from-left { transform: translateX(-60px); }
.reveal.from-right { transform: translateX(60px); }
.reveal.scale-up { transform: scale(0.85); }

.reveal.visible {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

/* ─── MENU OPEN — Scroll Kilidi ─────────────
   JS body.style.top = -scrollY px koyar;
   position:fixed ile sayfa kaymaz.
   ─────────────────────────────────────────── */
body.menu-open {
  overflow: hidden;
  height: 100%;
}

/* Kapatma butonu — sadece mobile'da görünür */
.nav-close-btn {
  display: none;
}

/* Drawer header/footer — sadece mobile'da görünür */
.nav-drawer-header,
.nav-drawer-footer {
  display: none;
}

/* ── NAV BACKDROP ─────────────────────────── */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 9997;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
.nav-backdrop.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* ─── RESPONSIVE ──────────────────────────── */

/* ── Tablet Landscape (≤1200px) ── */
@media (max-width: 1200px) {
  .hero-content {
    gap: 2.5rem;
  }
  .hero-3d-card {
    width: 360px;
    height: 430px;
  }
  .hero-card-mini.card-1 { left: -10%; }
  .hero-card-mini.card-2 { right: -10%; }
  .footer-top {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 2rem;
  }
}

/* ── Tablet (≤1024px) ── */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-images {
    height: 380px;
    order: -1;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .stat-item::after { display: none; }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .hero-3d-card {
    width: 320px;
    height: 380px;
  }
}

/* ── Mobile (≤768px) ── */
@media (max-width: 768px) {
  /* Cursor — touch cihazlarda kapat */
  body { cursor: auto; }
  .cursor, .cursor-follower { display: none; }

  /* Backdrop — mobile'da göster */
  .nav-backdrop { display: block; }

  /* Drawer panel — sağdan kayar */
  .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    height: 100%;
    width: min(85vw, 320px);
    background: linear-gradient(160deg, #0e0921 0%, #130d30 60%, #0d0820 100%);
    border-left: 1px solid rgba(139,92,246,0.18);
    box-shadow: -20px 0 60px rgba(0,0,0,0.6);
    z-index: 9999;
    transform: translateX(110%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    padding: 0;
    gap: 0;
    align-items: stretch;
    justify-content: flex-start;
  }
  .nav-links.open {
    transform: translateX(0);
  }

  /* Drawer header (JS inject) */
  .nav-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 1.2rem;
    border-bottom: 1px solid rgba(139,92,246,0.12);
    flex-shrink: 0;
    background: rgba(139,92,246,0.04);
  }
  .nav-drawer-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-accent);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(135deg, #8B5CF6, #6D28D9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
  }
  .nav-drawer-logo-icon {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #8B5CF6, #6D28D9);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
    -webkit-text-fill-color: initial;
  }

  /* Kapatma butonu — drawer içinde */
  .nav-close-btn {
    display: flex;
    width: 36px;
    height: 36px;
    background: rgba(139,92,246,0.08);
    border: 1px solid rgba(139,92,246,0.22);
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    color: rgba(255,255,255,0.7);
    cursor: pointer;
    transition: all 0.25s ease;
    -webkit-appearance: none;
    appearance: none;
    flex-shrink: 0;
  }
  .nav-close-btn:active {
    background: rgba(139,92,246,0.2);
    transform: scale(0.9);
  }

  /* Nav liste öğeleri — stagger animasyonu */
  .nav-links > li {
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    opacity: 0;
    transform: translateX(18px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    transition-delay: calc(var(--i, 0) * 0.045s + 0.1s);
  }
  .nav-links.open > li {
    opacity: 1;
    transform: translateX(0);
  }
  .nav-links > li:last-child { border-bottom: none; }

  /* Nav link stilleri */
  .nav-links a {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 1.2rem;
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.65);
    transition: background 0.2s ease, color 0.2s ease, padding-left 0.2s ease;
    border-left: 3px solid transparent;
  }
  .nav-links a::before {
    content: attr(data-num);
    font-family: var(--font-accent);
    font-size: 0.6rem;
    font-weight: 400;
    color: var(--accent-cyan);
    opacity: 0.4;
    min-width: 22px;
    flex-shrink: 0;
  }
  .nav-links a::after { display: none; }
  .nav-links a:hover {
    color: #fff;
    background: rgba(139,92,246,0.08);
    padding-left: 1.6rem;
    border-left-color: rgba(139,92,246,0.35);
  }
  .nav-links a.nav-active {
    color: var(--accent-cyan);
    background: rgba(139,92,246,0.07);
    border-left-color: var(--accent-cyan);
  }
  .nav-links a.nav-active::before { opacity: 1; }

  /* İletişim CTA — drawer özel */
  .nav-links li:last-child a.nav-cta {
    margin: 0.8rem 1.2rem;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    justify-content: center;
    background: linear-gradient(135deg, rgba(139,92,246,0.22), rgba(109,40,217,0.28));
    border: 1px solid rgba(139,92,246,0.3);
    border-left: 1px solid rgba(139,92,246,0.3);
    color: #fff !important;
    -webkit-text-fill-color: #fff !important;
  }
  .nav-links li:last-child a.nav-cta::before { display: none; }
  .nav-links li:last-child a.nav-cta:hover {
    background: linear-gradient(135deg, rgba(139,92,246,0.38), rgba(109,40,217,0.45));
    padding-left: 1rem;
  }

  /* Drawer footer (JS inject) */
  .nav-drawer-footer {
    display: block;
    margin-top: auto;
    padding: 1.2rem;
    border-top: 1px solid rgba(139,92,246,0.1);
    flex-shrink: 0;
    text-align: center;
  }
  .nav-drawer-footer p {
    font-size: 0.62rem;
    color: rgba(196,181,253,0.3);
    letter-spacing: 1.5px;
    text-transform: uppercase;
  }

  /* Hamburger — menü açıkken gizle (drawer içinde zaten X var) */
  .hamburger {
    display: flex;
    z-index: 10001;
    position: relative;
    transition: opacity 0.2s ease;
  }
  .hamburger.active {
    opacity: 0;
    pointer-events: none;
  }

  /* Scroll offset mobile navbar */
  section[id], main[id] {
    scroll-margin-top: 70px;
  }

  /* Hero */
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 7rem 1.5rem 3rem;
    gap: 2.5rem;
  }
  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }
  .hero-subtitle {
    font-size: 1rem;
    margin: 0 auto 2rem;
  }
  .hero-badge { margin-bottom: 1rem; }
  .hero-buttons {
    justify-content: center;
    gap: 0.8rem;
  }
  .btn-primary, .btn-secondary {
    padding: 0.8rem 1.6rem;
    font-size: 0.9rem;
  }
  .hero-stats {
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    padding-top: 1.5rem;
  }
  .hero-visual { display: none; }

  /* Sections */
  section {
    padding: 4rem 1.5rem;
  }
  .section-header {
    margin-bottom: 2.5rem;
  }
  .section-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .service-card {
    height: auto;
    cursor: default;
  }
  .service-card-inner { transform: none !important; }
  .service-card-back { display: none; }
  .service-card-front {
    position: static;
    backface-visibility: visible;
    -webkit-backface-visibility: visible;
    padding: 2rem;
  }
  .service-hover-hint { display: none; }

  /* Portfolio */
  .portfolio-filters {
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
  }
  .filter-btn {
    font-size: 0.72rem;
    padding: 0.4rem 0.9rem;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  /* Team */
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  /* Testimonials */
  .testimonial-inner {
    padding: 2rem 1.5rem;
  }
  .testimonial-text { font-size: 0.95rem; }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .contact-form-wrapper {
    padding: 1.5rem;
  }

  /* Footer */
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 3rem 1.5rem;
  }
  .footer-brand { grid-column: auto; }
  .footer-newsletter {
    flex-direction: column;
    gap: 0.8rem;
  }
  .footer-newsletter input,
  .footer-newsletter button {
    width: 100%;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.8rem;
    padding: 1.2rem 1.5rem;
  }
  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }

  /* Back to top */
  #back-to-top {
    bottom: 1.2rem;
    right: 1.2rem;
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }
}

/* ── Small Mobile (≤480px) ── */
@media (max-width: 480px) {
  .hero-content {
    padding: 6rem 1.2rem 2.5rem;
  }
  .hero-title {
    font-size: clamp(1.8rem, 9vw, 2.4rem);
  }
  .hero-stat-num { font-size: 1.6rem; }
  .hero-stats { gap: 1.2rem; }
  .btn-primary, .btn-secondary {
    padding: 0.75rem 1.3rem;
    font-size: 0.85rem;
  }

  section { padding: 3.5rem 1.2rem; }

  .team-grid { grid-template-columns: 1fr; }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
  }
  .stat-number { font-size: 2.5rem; }
  .stat-item { padding: 1.2rem; }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .services-grid { grid-template-columns: 1fr; }

  .section-title { font-size: clamp(1.4rem, 7vw, 2rem); }

  .contact-form-wrapper { padding: 1.2rem; }

  .testimonial-inner { padding: 1.5rem 1rem; }
  .testimonial-text { font-size: 0.9rem; }

  .loader-logo { font-size: 1.8rem; }
  .loader-bar-bg { width: 200px; }

  .nav-container { padding: 0 1.2rem; }
  .nav-logo { font-size: 1.1rem; }
  .logo-icon { width: 34px; height: 34px; font-size: 0.95rem; }
}

/* ── Extra Small (≤360px) ── */
@media (max-width: 360px) {
  .hero-title { font-size: 1.7rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr; }
  .filter-btn { font-size: 0.68rem; padding: 0.35rem 0.75rem; }
}