/* ═══════════════════════════════════════════════════════════════
   DERIN AKADEMİ — SHARED STYLESHEET
   ═══════════════════════════════════════════════════════════════ */

/* ─── RESET ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

/* ─── CSS VARIABLES ───────────────────────────────────────────── */
:root {
  --navy:        #0f1b35;
  --navy-mid:    #1a2847;
  --navy-light:  #243852;
  --navy-card:   #18234a;
  --teal:        #00c8b4;
  --teal-dim:    #007f72;
  --teal-glow:   rgba(0,200,180,0.18);
  --teal-glow-s: rgba(0,200,180,0.07);
  --teal-border: rgba(0,200,180,0.22);
  --blue:        #00a8e8;
  --white:       #ffffff;
  --off-white:   #f0f4fb;
  --silver:      #8fa8c8;
  --silver-dim:  #3d5270;
  --silver-light:#c0d0e8;
  --glass-bg:    rgba(255,255,255,0.035);
  --glass-bg-h:  rgba(255,255,255,0.065);
  --glass-bd:    rgba(255,255,255,0.08);
  --glass-bd-h:  rgba(255,255,255,0.14);
  --danger:      #ff4d4d;
  --warning:     #ffc107;
  --success:     #00e676;
  --radius-xs:   6px;
  --radius-sm:   10px;
  --radius-md:   18px;
  --radius-lg:   28px;
  --radius-xl:   40px;
  --shadow-sm:   0 4px 16px rgba(0,0,0,0.3);
  --shadow-md:   0 8px 40px rgba(0,0,0,0.45), 0 2px 12px rgba(0,200,180,0.06);
  --shadow-lg:   0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(0,200,180,0.08);
  --shadow-glow: 0 0 40px rgba(0,200,180,0.28);
  --t-fast:      all 0.2s ease;
  --t-base:      all 0.35s cubic-bezier(0.25,0.8,0.25,1);
  --t-slow:      all 0.55s cubic-bezier(0.25,0.8,0.25,1);
  --nav-h:       72px;
}

/* ─── DARK MODE ──────────────────────────────────────────────── */
body.dark-mode {
  --navy:        #0a0f1a;
  --navy-mid:    #0f1428;
  --navy-light:  #1a2438;
  --navy-card:   #121930;
}

/* ─── WHATSAPP BUTTON ─────────────────────────────────────────── */
.whatsapp-btn {
  position: fixed;
  bottom: 28px;
  left: 28px;
  z-index: 499;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #128c7e);
  border: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: var(--t-base);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
}
.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}
.whatsapp-btn-close {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 22px;
  height: 22px;
  background: var(--danger);
  border-radius: 50%;
  border: none;
  color: white;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--t-fast);
}
.whatsapp-btn-close:hover {
  background: #ff3333;
  transform: rotate(90deg);
}
.whatsapp-btn.hidden {
  display: none !important;
}

/* ─── BASE ────────────────────────────────────────────────────── */
html {
  overflow-x: hidden;
}
body {
  font-family: 'Inter', sans-serif;
  background-color: var(--navy);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
ul { list-style: none; }
input, textarea, select { font-family: inherit; }

/* ─── SCROLLBAR ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--teal-dim); border-radius: 3px; }

/* ─── NOISE OVERLAY ───────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  opacity: 0.022;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat; background-size: 128px;
}

/* ─── AMBIENT GLOW ────────────────────────────────────────────── */
.ambient { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.ambient::before {
  content: ''; position: absolute; top: -25%; left: 50%; transform: translateX(-50%);
  width: 1000px; height: 700px;
  background: radial-gradient(ellipse at center, rgba(0,200,180,0.06) 0%, transparent 70%);
  animation: ambientDrift 14s ease-in-out infinite alternate;
}
.ambient::after {
  content: ''; position: absolute; bottom: 5%; right: -15%;
  width: 700px; height: 700px;
  background: radial-gradient(ellipse at center, rgba(0,80,180,0.07) 0%, transparent 70%);
  animation: ambientDrift2 18s ease-in-out infinite alternate;
}
@keyframes ambientDrift { 0%{transform:translateX(-50%) scale(1)} 100%{transform:translateX(-53%) scale(1.12)} }
@keyframes ambientDrift2 { 0%{transform:scale(1)} 100%{transform:scale(1.18) translate(35px,-25px)} }

/* ─── CONTAINER ───────────────────────────────────────────────── */
.container { max-width: 1240px; margin: 0 auto; padding: 0 32px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 32px; }

/* ─── SECTION UTILITIES ───────────────────────────────────────── */
section { position: relative; z-index: 2; }
.section-pad { padding: 100px 0; }
.section-pad-sm { padding: 70px 0; }

.section-head { text-align: center; margin-bottom: 64px; }
.section-head-left { text-align: left; margin-bottom: 48px; }

.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11.5px; font-weight: 700; letter-spacing: 2.2px;
  text-transform: uppercase; color: var(--teal);
  background: var(--teal-glow-s); border: 1px solid var(--teal-border);
  padding: 6px 16px; border-radius: 50px; margin-bottom: 20px;
}
.section-tag::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--teal); flex-shrink: 0; animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.35;transform:scale(.65)} }

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(28px, 3.5vw, 46px);
  font-weight: 900; letter-spacing: -1.5px; line-height: 1.1;
  margin-bottom: 18px;
}
.section-desc {
  font-size: 16px; color: var(--silver);
  max-width: 540px; margin: 0 auto; line-height: 1.78;
}
.section-head-left .section-desc { margin: 0; }

.gradient-text {
  background: linear-gradient(90deg, var(--teal) 0%, var(--blue) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── NAVIGATION ──────────────────────────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  display: flex; align-items: center;
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--glass-bd);
  background: rgba(3,13,31,0.72);
  transition: var(--t-base);
}
#navbar.scrolled {
  background: rgba(3,13,31,0.92);
  box-shadow: 0 4px 48px rgba(0,0,0,0.55);
  border-bottom-color: rgba(255,255,255,0.05);
}
.nav-inner {
  width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav-logo {
  display: flex; align-items: center; gap: 12px; flex-shrink: 0;
}
.logo-mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--teal) 0%, #0099cc 100%);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 16px;
  color: var(--navy); box-shadow: 0 0 22px rgba(0,200,180,0.38); flex-shrink: 0;
}
.logo-text { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 18px; color: var(--white); }
.logo-text span { color: var(--teal); }
.nav-logo-img { height: 64px; width: auto; display: block; object-fit: contain; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  color: var(--silver); font-size: 14px; font-weight: 500;
  padding: 8px 14px; border-radius: var(--radius-sm);
  transition: var(--t-fast); letter-spacing: 0.2px; white-space: nowrap;
  position: relative;
}
.nav-links a:hover { color: var(--white); background: var(--glass-bg-h); }
.nav-links a.active { color: var(--white); }
.nav-links a.active::after {
  content: ''; position: absolute; bottom: 3px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 4px; border-radius: 50%; background: var(--teal);
}

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > a { display: flex; align-items: center; gap: 5px; }
.nav-dropdown > a svg { width:14px; height:14px; transition:transform 0.2s; }
.nav-dropdown:hover > a svg { transform: rotate(180deg); }
.dropdown-menu {
  position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%);
  background: rgba(7,20,40,0.97); border: 1px solid var(--glass-bd);
  border-radius: var(--radius-md); padding: 10px;
  min-width: 220px; backdrop-filter: blur(24px);
  opacity: 0; visibility: hidden; transform: translateX(-50%) translateY(-8px);
  transition: var(--t-base); pointer-events: none;
  box-shadow: var(--shadow-md);
}
.nav-dropdown:hover .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
  pointer-events: all;
}
.dropdown-item {
  display: flex; align-items: center; gap: 12px; padding: 11px 14px;
  border-radius: var(--radius-sm); transition: var(--t-fast);
  color: var(--silver); font-size: 14px;
}
.dropdown-item:hover { background: var(--glass-bg-h); color: var(--white); }
.dropdown-item-icon { width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; background: var(--glass-bg); }
.dropdown-item-title { font-weight: 600; font-size: 13.5px; }
.dropdown-item-sub { font-size: 11.5px; color: var(--silver-dim); margin-top: 1px; }

.nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

/* ─── BUTTONS ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; border: none; border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif; font-weight: 600; cursor: pointer;
  transition: var(--t-base); white-space: nowrap; text-decoration: none;
}
.btn svg { flex-shrink: 0; }

.btn-sm  { font-size: 13px; padding: 8px 18px; }
.btn-md  { font-size: 14px; padding: 11px 24px; }
.btn-lg  { font-size: 15px; padding: 14px 32px; }
.btn-xl  { font-size: 16px; padding: 17px 40px; }

.btn-primary {
  background: linear-gradient(135deg, var(--teal) 0%, var(--blue) 100%);
  color: var(--navy); font-weight: 700;
  box-shadow: 0 4px 22px rgba(0,200,180,0.32);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(0,200,180,0.5); }

.btn-ghost {
  background: transparent; border: 1px solid var(--glass-bd);
  color: var(--silver);
}
.btn-ghost:hover { border-color: var(--teal-border); color: var(--white); background: var(--glass-bg); }

.btn-outline {
  background: transparent; border: 1px solid var(--teal-border);
  color: var(--teal);
}
.btn-outline:hover { background: var(--teal-glow-s); border-color: var(--teal); }

.btn-danger  { background: rgba(255,77,77,0.12); border: 1px solid rgba(255,77,77,0.3); color: #ff4d4d; }
.btn-success { background: rgba(0,230,118,0.1);  border: 1px solid rgba(0,230,118,0.3); color: #00e676; }

/* ─── BADGE / CHIP ────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 4px 10px; border-radius: 50px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.5px;
}
.badge-teal    { background: rgba(0,200,180,0.12); color: var(--teal); border: 1px solid var(--teal-border); }
.badge-blue    { background: rgba(0,168,232,0.12); color: var(--blue); border: 1px solid rgba(0,168,232,0.3); }
.badge-red     { background: rgba(255,77,77,0.12); color: #ff6b6b;    border: 1px solid rgba(255,77,77,0.3); }
.badge-yellow  { background: rgba(255,193,7,0.12); color: #ffc107;    border: 1px solid rgba(255,193,7,0.3); }
.badge-purple  { background: rgba(130,80,255,0.12);color: #a78bfa;    border: 1px solid rgba(130,80,255,0.3); }

/* ─── GLASS CARD ──────────────────────────────────────────────── */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-bd);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  transition: var(--t-base);
}
.glass-card:hover { border-color: var(--glass-bd-h); }

/* ─── DIVIDER ─────────────────────────────────────────────────── */
.divider {
  height: 1px; background: var(--glass-bd); margin: 0;
  position: relative; z-index: 2;
}
.divider-glow {
  background: linear-gradient(90deg, transparent, var(--teal-border), transparent);
}

/* ─── FOOTER ──────────────────────────────────────────────────── */
footer {
  position: relative; z-index: 2;
  padding: 80px 0 0;
  border-top: 1px solid var(--glass-bd);
}
.footer-grid {
  display: grid; grid-template-columns: 2.2fr 1fr 1fr 2fr;
  gap: 48px; margin-bottom: 64px;
}
.footer-brand .brand-desc {
  font-size: 14px; color: var(--silver); line-height: 1.72;
  margin-top: 20px; max-width: 280px;
}
.footer-social { display: flex; gap: 10px; margin-top: 28px; }
.social-btn {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--glass-bg); border: 1px solid var(--glass-bd);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; transition: var(--t-fast); color: var(--silver);
}
.social-btn:hover { border-color: var(--teal-border); color: var(--teal); transform: translateY(-2px); }

.footer-col-title {
  font-family: 'Montserrat', sans-serif; font-size: 12px; font-weight: 800;
  color: var(--white); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 22px;
}
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { color: var(--silver); font-size: 14px; transition: color 0.2s; }
.footer-links a:hover { color: var(--teal); }

.footer-newsletter { margin-top: 4px; }
.footer-newsletter p { font-size: 13px; color: var(--silver); line-height: 1.6; margin-bottom: 14px; }
.newsletter-form { display: flex; gap: 8px; }
.newsletter-input {
  flex: 1; background: var(--glass-bg); border: 1px solid var(--glass-bd);
  border-radius: var(--radius-sm); padding: 10px 14px;
  color: var(--white); font-size: 13px; outline: none; transition: var(--t-fast);
}
.newsletter-input::placeholder { color: var(--silver-dim); }
.newsletter-input:focus { border-color: var(--teal-border); }

.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 0; border-top: 1px solid var(--glass-bd);
}
.footer-copy { font-size: 13px; color: var(--silver-dim); }
.footer-legal { display: flex; gap: 24px; align-items: center; }
.footer-legal a { font-size: 13px; color: var(--silver-dim); transition: color 0.2s; }
.footer-legal a:hover { color: var(--silver); }

/* ─── PAGE HERO (inner pages) ────────────────────────────────── */
.page-hero {
  position: relative; z-index: 2;
  padding: calc(var(--nav-h) + 60px) 0 72px;
  text-align: center;
  border-bottom: 1px solid var(--glass-bd);
  overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 800px; height: 500px;
  background: radial-gradient(ellipse at top, rgba(0,200,180,0.08) 0%, transparent 65%);
  pointer-events: none;
}
.page-hero-tag { margin-bottom: 20px; }
.page-hero-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(32px, 4.5vw, 58px);
  font-weight: 900; letter-spacing: -2px; line-height: 1.08;
  margin-bottom: 20px;
}
.page-hero-desc {
  font-size: 17px; color: var(--silver); max-width: 560px; margin: 0 auto;
  line-height: 1.75;
}

/* ─── BREADCRUMB ──────────────────────────────────────────────── */
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--silver-dim);
  margin-bottom: 32px;
}
.breadcrumb a { color: var(--silver-dim); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--teal); }
.breadcrumb-sep { opacity: 0.4; }
.breadcrumb-current { color: var(--white); font-weight: 500; }

/* ─── SCROLL REVEAL ───────────────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }
.reveal-d5 { transition-delay: 0.40s; }

/* ─── STATS ROW ───────────────────────────────────────────────── */
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--glass-bd);
  border: 1px solid var(--glass-bd); border-radius: var(--radius-lg);
  overflow: hidden;
}
.stat-box {
  background: var(--navy-card); padding: 36px 32px;
  text-align: center; transition: var(--t-fast);
}
.stat-box:hover { background: var(--glass-bg); }
.stat-num {
  font-family: 'Montserrat', sans-serif; font-size: 38px; font-weight: 900;
  color: var(--white); display: flex; align-items: baseline; justify-content: center; gap: 3px;
}
.stat-num em { font-size: 22px; color: var(--teal); font-style: normal; }
.stat-label { font-size: 14px; color: var(--silver); margin-top: 6px; font-weight: 400; }

/* ─── COURSE CARD (shared) ────────────────────────────────────── */
.course-card {
  background: var(--glass-bg); border: 1px solid var(--glass-bd);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: var(--t-base); backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px); cursor: pointer;
}
.course-card:hover {
  border-color: rgba(0,200,180,0.28);
  transform: translateY(-7px);
  box-shadow: var(--shadow-lg);
}
.course-thumb {
  height: 190px; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  isolation: isolate;
}
.course-thumb-bg {
  position: absolute; inset: 0; background: var(--bg);
  transition: transform 0.5s ease;
}
.course-card:hover .course-thumb-bg { transform: scale(1.07); }
.c-bg-1 { --bg: linear-gradient(135deg, #001a2e 0%, #003f5c 50%, #00c8b4 100%); }
.c-bg-2 { --bg: linear-gradient(135deg, #0d001a 0%, #2d004f 50%, #7b2ff7 100%); }
.c-bg-3 { --bg: linear-gradient(135deg, #001a0d 0%, #004d26 50%, #00e676 100%); }
.c-bg-4 { --bg: linear-gradient(135deg, #1a0000 0%, #4d0000 50%, #ff4444 100%); }
.c-bg-5 { --bg: linear-gradient(135deg, #001a2e 0%, #002a4d 50%, #00a8e8 100%); }
.c-bg-6 { --bg: linear-gradient(135deg, #1a1400 0%, #4d3c00 50%, #ffc107 100%); }
.c-bg-7 { --bg: linear-gradient(135deg, #001a1a 0%, #004040 50%, #00e5cc 100%); }
.c-bg-8 { --bg: linear-gradient(135deg, #0d0d1a 0%, #1a1a4d 50%, #4444ff 100%); }
.c-bg-9 { --bg: linear-gradient(135deg, #1a0d00 0%, #4d2600 50%, #ff8800 100%); }

.course-thumb-icon {
  position: relative; z-index: 50; font-size: 52px;
  width: 90px; height: 90px;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.4s ease;
  transform: translateZ(0);
}
.course-thumb-icon .thumb-emoji {
  position: relative;
  z-index: 1;
}
.course-card:hover .course-thumb-icon { transform: translateZ(0) scale(1.1); }

.course-badge {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  background: rgba(0,0,0,0.5); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50px; padding: 4px 12px;
  font-size: 11px; font-weight: 700; color: var(--white); letter-spacing: 0.4px;
}
.course-badge.hot   { border-color: rgba(255,77,77,0.5); }
.course-badge.new   { border-color: rgba(0,200,180,0.5); }
.course-badge.top   { border-color: rgba(255,193,7,0.5); }
.course-badge.free  { border-color: rgba(0,230,118,0.5); }

.course-body { padding: 24px; }
.course-category { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--teal); margin-bottom: 10px; }
.course-title { font-family: 'Montserrat', sans-serif; font-size: 17px; font-weight: 800; line-height: 1.32; margin-bottom: 10px; }
.course-desc { font-size: 13px; color: var(--silver); line-height: 1.65; margin-bottom: 18px; }
.course-meta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.meta-item { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--silver); }
.meta-item svg { width: 13px; height: 13px; color: var(--teal); flex-shrink: 0; }
.course-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--glass-bd); }
.course-price .price-main { font-family: 'Montserrat', sans-serif; font-size: 22px; font-weight: 800; }
.course-price .price-orig { font-size: 13px; color: var(--silver-dim); text-decoration: line-through; margin-left: 5px; }
.course-rating { display: flex; align-items: center; gap: 4px; font-size: 12px; color: var(--silver); margin-bottom: 6px; }
.stars { color: #ffc107; letter-spacing: 1px; font-size: 13px; }
.btn-enroll {
  background: linear-gradient(135deg, rgba(0,200,180,0.18), rgba(0,168,232,0.12));
  border: 1px solid var(--teal-border);
  color: var(--teal); padding: 9px 20px;
  border-radius: var(--radius-sm); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: var(--t-base); font-family: 'Inter', sans-serif;
}
.btn-enroll:hover {
  background: linear-gradient(135deg, var(--teal), var(--blue));
  color: var(--navy); border-color: transparent;
  box-shadow: 0 4px 20px rgba(0,200,180,0.45);
}

/* ─── REFERANS STRIP ────────────────────────────────────────── */
.trusted { padding: 44px 0 52px; border-top: 1px solid var(--glass-bd); border-bottom: 1px solid var(--glass-bd); }
.trusted-label { text-align: center; font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--silver-dim); }

/* ─── MARQUEE / SCROLLING LOGOS ─────────────────────────────── */
.logos-marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent 0%, black 12%, black 88%, transparent 100%); -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 12%, black 88%, transparent 100%); }
.logos-track { display: flex; gap: 64px; width: max-content; animation: marqueeScroll 52s linear infinite; align-items: center; }
.logos-track:hover { animation-play-state: paused; }
@keyframes marqueeScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.logo-item { display: flex; align-items: center; transition: var(--t-fast); white-space: nowrap; flex-shrink: 0; }
.logo-item img { height: 54px; width: auto; display: block; object-fit: contain; filter: grayscale(1) brightness(1.8); opacity: 0.65; transition: opacity 0.25s, filter 0.25s; mix-blend-mode: screen; }
.logo-item img:hover { opacity: 1; filter: grayscale(0) brightness(1.2); }

/* ─── TEKLIF MODAL ───────────────────────────────────────────── */
.teklif-modal { position: fixed; inset: 0; z-index: 3000; display: none; align-items: center; justify-content: center; background: rgba(0,5,15,0.85); backdrop-filter: blur(12px); padding: 20px; }
.teklif-modal.open { display: flex; }
.teklif-modal-box { background: var(--navy-mid); border: 1px solid var(--glass-bd); border-radius: var(--radius-xl); padding: 48px; max-width: 880px; width: 100%; max-height: 90vh; overflow-y: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 52px; position: relative; }
.teklif-modal-close { position: absolute; top: 18px; right: 18px; background: var(--glass-bg); border: 1px solid var(--glass-bd); color: var(--silver); width: 36px; height: 36px; border-radius: 10px; font-size: 15px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--t-fast); }
.teklif-modal-close:hover { border-color: var(--teal-border); color: var(--white); }
.teklif-info-row { display: flex; gap: 14px; align-items: flex-start; }
.teklif-info-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--teal-glow-s); border: 1px solid var(--teal-border); display: flex; align-items: center; justify-content: center; font-size: 17px; flex-shrink: 0; }
.teklif-modal-input { width: 100%; background: rgba(255,255,255,0.03); border: 1px solid var(--glass-bd); border-radius: var(--radius-sm); padding: 12px 14px; color: var(--white); font-size: 14px; font-family: 'Inter', sans-serif; outline: none; transition: border-color 0.2s; box-sizing: border-box; }
.teklif-modal-input::placeholder { color: var(--silver-dim); }
.teklif-modal-input:focus { border-color: var(--teal-border); box-shadow: 0 0 0 3px var(--teal-glow-s); }
.teklif-field { margin-bottom: 16px; }
.teklif-field label { display: block; font-size: 12px; font-weight: 600; color: var(--silver); margin-bottom: 7px; }
@media(max-width:700px) { .teklif-modal-box { grid-template-columns: 1fr; gap: 32px; padding: 28px 20px; } }

/* ─── FILTER BUTTONS ─────────────────────────────────────────── */
.filter-btn {
  padding: 8px 18px; border-radius: 50px;
  background: var(--glass-bg); border: 1px solid var(--glass-bd);
  color: var(--silver); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: var(--t-fast);
  white-space: nowrap;
}
.filter-btn:hover { border-color: var(--teal-border); color: var(--white); }
.filter-btn.active { background: var(--teal); color: var(--navy); border-color: var(--teal); }

/* ─── PAGINATION ──────────────────────────────────────────────── */
.pagination { display: flex; align-items: center; gap: 6px; justify-content: center; margin-top: 52px; }
.page-btn {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--glass-bg); border: 1px solid var(--glass-bd);
  color: var(--silver); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: var(--t-fast);
  display: flex; align-items: center; justify-content: center;
}
.page-btn:hover { border-color: var(--teal-border); color: var(--white); }
.page-btn.active { background: var(--teal); color: var(--navy); border-color: var(--teal); }
.page-btn.arrow { font-size: 11px; }

/* ─── MOBILE NAV ──────────────────────────────────────────────── */
.menu-toggle {
  display: none; background: var(--glass-bg); border: 1px solid var(--glass-bd);
  color: var(--silver); width: 40px; height: 40px;
  border-radius: var(--radius-sm); font-size: 18px;
  align-items: center; justify-content: center; cursor: pointer;
}
.mobile-nav {
  display: none; position: fixed; inset: 0; z-index: 999;
  background: rgba(3,13,31,0.97); backdrop-filter: blur(24px);
  flex-direction: column; padding: 80px 32px 40px;
  overflow-y: auto;
}
.mobile-nav.open { display: flex; }
.mobile-nav-close {
  position: absolute; top: 20px; right: 24px;
  background: var(--glass-bg); border: 1px solid var(--glass-bd);
  color: var(--silver); width: 40px; height: 40px;
  border-radius: var(--radius-sm); font-size: 20px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.mobile-nav a {
  font-family: 'Montserrat', sans-serif; font-size: 22px; font-weight: 700;
  color: var(--silver); padding: 14px 0; border-bottom: 1px solid var(--glass-bd);
  transition: color 0.2s;
}
.mobile-nav a:hover, .mobile-nav a.active { color: var(--teal); }
.mobile-nav-actions { display: flex; flex-direction: column; gap: 12px; margin-top: 32px; }

/* ─── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 900px) {
  .nav-links, .nav-actions .btn-ghost { display: none; }
  .menu-toggle { display: flex; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 640px) {
  .container { padding: 0 16px; max-width: 100%; }
  .container-wide { padding: 0 16px; max-width: 100%; }
  .section-pad { padding: 70px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 14px; text-align: center; }
  .stats-row { grid-template-columns: 1fr 1fr; }
}