:root {
  --gold: #c5a059;
  --dark: #1a1a1a;
  --text: #2d2d2d;
  --light: #f4f6f9;
  --white: #ffffff;
  --accent: #003366;
  --radius: 14px;
  --shadow-sm: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-md: 0 15px 35px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 30px 60px rgba(0, 0, 0, 0.12);
  --transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
  /* Neon Palette */
  --neon-gold: 0 0 10px rgba(197, 160, 89, 0.6), 0 0 20px rgba(197, 160, 89, 0.3);
}

@keyframes fadeInScale {
  from { opacity: 0; transform: scale(0.95) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

* { box-sizing: border-box; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.8;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }

.container { width: min(1200px, 92%); margin: 0 auto; position: relative; }

/* INSTITUTIONAL TYPOGRAPHY */
h1, h2, h3, h4 { font-weight: 700; color: var(--dark); letter-spacing: -0.02em; animation: fadeInScale 0.8s ease-out; }
h1 { font-size: clamp(2.8rem, 6vw, 4.2rem); line-height: 1.1; margin-bottom: 0.5em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.2; margin-bottom: 0.6em; }
p { font-size: clamp(1rem, 1.1vw, 1.15rem); color: #555; }

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--dark);
  color: var(--white);
  padding: 8px 0;
  border-bottom: 3px solid var(--gold);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
}
.logo { display: flex; align-items: center; gap: 18px; transition: 0.3s; }
.logo:hover { transform: scale(1.03); }
.logo img { width: 54px; height: 54px; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2)); }

.nav { display: flex; gap: 32px; }
.nav a { font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; opacity: 0.85; position: relative; }
.nav a::after {
  content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px;
  background: var(--gold); transition: 0.3s;
}
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav a:hover, .nav a.active { color: var(--gold); opacity: 1; }

.nav-toggle span { display: block; width: 30px; height: 3px; background: var(--white); margin: 6px 0; border-radius: 4px; transition: 0.3s; }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 36px;
  border-radius: var(--radius);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 14px;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn-primary { background: var(--gold); color: var(--dark); box-shadow: 0 10px 25px rgba(197, 160, 89, 0.4); }
.btn-primary:hover { transform: translateY(-4px) scale(1.05); box-shadow: 0 15px 35px rgba(197, 160, 89, 0.5); }
.btn-outline { border-color: var(--gold); color: var(--dark); }
.btn-outline:hover { background: var(--gold); color: var(--white); transform: translateY(-4px); }

/* SECTIONS */
.section { padding: 120px 0; border-bottom: 1px solid #f0f0f0; }
.section.light { background: var(--light); border-bottom: 0; }
.section-head { max-width: 850px; margin-bottom: 70px; }
.section-head h2 { position: relative; padding-left: 20px; border-left: 5px solid var(--gold); }

/* GRID & CARDS */
.grid, .cards, .fleet-grid, .instructor-grid, .course-picker, .faq-grid {
  display: grid;
  gap: 35px;
}
.grid, .course-picker, .fleet-grid, .instructor-grid { grid-template-columns: repeat(3, 1fr); }
.faq-grid, .cards, .pricing { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 1024px) {
  .faq-grid { grid-template-columns: repeat(4, 1fr); }
  .cards, .pricing { grid-template-columns: repeat(3, 1fr); }
}

.card, .course-card, .price-card, .picker-card, .fleet-card, .instructor-card, .faq-item {
  background: var(--white);
  padding: 45px 35px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid #edf2f7;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  animation: fadeInScale 0.8s backwards;
}
.card:hover, .picker-card:hover, .fleet-card:hover, .instructor-card:hover, .faq-item:hover {
  transform: translateY(-10px) rotate(1deg);
  box-shadow: var(--shadow-lg);
  border-color: var(--gold);
}

/* NEON PICKER ICONS */
.picker-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--dark) 0%, #2a2a2a 100%);
  color: var(--gold);
  border: 3px solid var(--gold);
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 1.8rem;
  margin-bottom: 30px;
  box-shadow: 0 0 15px rgba(197, 160, 89, 0.4), var(--neon-gold);
  text-shadow: 0 0 10px rgba(197, 160, 89, 0.8);
  transition: var(--transition);
}
.picker-card:hover .picker-icon {
  background: var(--gold);
  color: var(--dark);
  transform: scale(1.15) rotate(5deg);
  box-shadow: 0 0 40px var(--gold);
  text-shadow: none;
}

/* HERO */
.hero { padding: 150px 0 100px; background: linear-gradient(135deg, #ffffff 0%, #f0f4f8 100%); }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 70px; align-items: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 25px;
  box-shadow: var(--shadow-sm);
  animation: fadeInScale 0.6s backwards;
}

.trust-cards-mini { display: flex; gap: 20px; margin-top: 45px; }
.trust-mini-card {
  background: #fff;
  padding: 24px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
  display: flex;
  align-items: center;
  gap: 20px;
  border: 1px solid #edf2f7;
  flex: 1;
  transition: var(--transition);
  animation: fadeInScale 0.8s backwards;
}
.trust-mini-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--gold); }
.trust-mini-card strong { color: var(--dark); font-size: 14px; font-weight: 800; display: block; line-height: 1.2; }

.stats-bar {
  position: absolute;
  bottom: -40px;
  left: 5%; right: 5%;
  background: var(--dark);
  color: #fff;
  padding: 35px 20px;
  border-radius: 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 3px solid var(--gold);
  animation: fadeInScale 1s backwards;
}
.stats-bar strong { color: var(--gold); font-size: 2rem; }

/* INFO CTA - MAXIMUM IMPACT */
.info-cta {
  background: linear-gradient(135deg, #022c4d 0%, #001529 100%);
  color: white;
  padding: 100px 60px;
  border-radius: 40px;
  box-shadow: 0 40px 100px rgba(0,0,0,0.3);
  text-align: center;
  border: 3px solid var(--gold);
  position: relative;
  overflow: hidden;
}
.info-cta h2 { color: white; border: 0; font-size: 3rem; margin-bottom: 30px; }
.info-cta p { font-size: 1.3rem; line-height: 1.6; opacity: 0.9; max-width: 800px; margin: 0 auto 50px; }

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(37, 211, 102, 0.15);
  border: 1px solid #25D366;
  color: #25D366;
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 25px;
}
.status-dot {
  width: 10px; height: 10px;
  background: #25D366;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.info-cta .btn-whatsapp { 
  background: #25D366; 
  color: white; 
  padding: 24px 70px; 
  font-size: 1.4rem;
  border: 0;
  box-shadow: 0 20px 40px rgba(37, 211, 102, 0.4);
  animation: pulse 2s infinite;
}
.info-cta .btn-whatsapp:hover { background: #22c35e; transform: scale(1.05); box-shadow: 0 25px 50px rgba(37, 211, 102, 0.5); }

/* FOOTER */
.site-footer { background: var(--dark); padding: 80px 0 20px; border-top: 10px solid var(--gold); color: var(--white); }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.footer-title { color: var(--gold); font-size: 1.15rem; font-weight: 700; margin-bottom: 25px; border-bottom: 2px solid rgba(197, 160, 89, 0.2); padding-bottom: 10px; display: inline-block; }
.footer-links a:hover { color: var(--gold); transform: translateX(8px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); margin-top: 30px; padding-top: 15px; text-align: center; opacity: 0.5; }

/* MOBILE NAV TOGGLE - STYLISTIC GOLD */
.nav-toggle {
  display: none; /* Hidden by default, shown in media query */
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 10px;
  z-index: 3000;
  position: relative;
}
.nav-toggle span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--gold);
  margin: 5px 0;
  border-radius: 10px;
  transition: 0.4s cubic-bezier(0.68, -0.6, 0.32, 1.6);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* MOBILE RESPONSIVE AUTHORITATIVE */
@media (max-width: 992px) {
  .nav-toggle { display: block; }
  .hero-grid, .split, .form-row, .grid, .course-picker, .fleet-grid, .instructor-grid, .faq-grid, .footer-grid, .cards, .pricing { grid-template-columns: 1fr !important; }
  .hero { padding: 80px 0; text-align: center; }
  h1 { font-size: clamp(2.2rem, 8vw, 3rem) !important; line-height: 1.2 !important; word-break: break-word !important; }
  h2 { font-size: clamp(1.8rem, 6vw, 2.3rem) !important; line-height: 1.3 !important; word-break: break-word !important; }
  p { font-size: 1.05rem !important; }
  .hero-actions { display: flex; flex-direction: column; gap: 15px; width: 100%; max-width: 400px; margin: 30px auto 0; }
  .hero-actions .btn { width: 100%; display: flex; justify-content: center; }
  .trust-cards-mini { flex-direction: column; align-items: stretch; gap: 15px; margin-top: 40px; }
  .trust-mini-card { width: 100%; flex-direction: column; text-align: center; gap: 15px; justify-content: center; padding: 25px 20px; }
  .trust-mini-card div { display: flex; flex-direction: column; align-items: center; }
  .stats-bar { position: static; margin-top: 50px; grid-template-columns: 1fr; gap: 30px; }
  .info-cta h2 { font-size: 2rem !important; }
  .info-cta .btn-whatsapp { padding: 15px 30px !important; font-size: 1.1rem !important; width: 100%; display: inline-flex; justify-content: center; }
  
  .nav { 
    position: fixed; 
    right: -100%; 
    top: 0; 
    width: 100%; 
    height: 100vh; 
    background: linear-gradient(135deg, var(--dark) 0%, #000 100%); 
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 40px; 
    z-index: 2500; 
    transition: 0.6s cubic-bezier(0.77, 0, 0.175, 1); 
    box-shadow: -20px 0 50px rgba(0,0,0,0.8);
  }
  .nav.open { right: 0; }
  .nav a { 
    font-size: 1.8rem; 
    padding: 15px 0; 
    width: 100%; 
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.05); 
    color: white;
    text-shadow: 0 0 10px rgba(0,0,0,0.5);
  }
  .nav a:hover, .nav a.active { color: var(--gold); }
  
  /* Additional Mobile Nav Elements */
  .nav::before {
    content: 'ASEL AKADEMİ';
    position: absolute;
    top: 40px;
    font-weight: 900;
    color: var(--gold);
    letter-spacing: 5px;
    opacity: 0.1;
    font-size: 3rem;
    pointer-events: none;
  }
  
  .info-cta { padding: 40px 20px; }
  
  /* MOBILE BUTTON & FORM REDESIGN */
  .btn, button[type="submit"], button[type="button"] {
    width: 100%;
    padding: 16px 20px;
    font-size: 1.1rem !important;
    border-radius: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 12px;
  }
  
  input[type="text"], input[type="tel"], input[type="email"], input[type="date"], input[type="number"], select, textarea {
    width: 100%;
    padding: 18px 20px;
    font-size: 16px !important;
    font-family: inherit;
    border: 2px solid #e2e8f0;
    border-radius: 14px;
    background-color: #f8fafc;
    color: var(--dark);
    margin-bottom: 15px;
    transition: all 0.3s ease;
    box-sizing: border-box;
    appearance: none;
    -webkit-appearance: none;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
  }
  
  input:focus, select:focus, textarea:focus {
    border-color: var(--gold);
    background-color: #fff;
    outline: none;
    box-shadow: 0 0 0 4px rgba(197, 160, 89, 0.15);
  }

  select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2em;
    padding-right: 45px;
  }

  textarea {
    resize: vertical;
    min-height: 140px;
  }

  .form-row {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .step h2 {
    font-size: 1.6rem !important;
    margin-bottom: 25px;
    border-bottom: 3px solid var(--gold);
    display: inline-block;
    padding-bottom: 5px;
  }

  .step-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
  }
  
  .step-actions .btn {
    margin-bottom: 0;
  }

  .checkbox {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: #f8fafc;
    border-radius: 14px;
    border: 2px solid #e2e8f0;
    margin-top: 15px;
    cursor: pointer;
  }

  .checkbox input[type="checkbox"] {
    width: 26px;
    height: 26px;
    margin: 0;
    accent-color: var(--gold);
    flex-shrink: 0;
  }

  .checkbox span {
    font-size: 1rem;
    line-height: 1.4;
    color: var(--dark);
    font-weight: 500;
  }
}

/* REVEAL ON SCROLL */
.reveal { opacity: 0; transform: translateY(40px); transition: 1s cubic-bezier(0.2, 0.8, 0.2, 1); }
.reveal.in-view { opacity: 1; transform: translateY(0); }
