/* ===== TURKOFIL — Art direction: Turkish language tutor, minimalist authority
   Palette: Crimson red accent on warm white, deep charcoal text
   Typography: Cormorant Garamond (display) + Inter (body)
   Density: Spacious, editorial rhythm ===== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600&display=swap');

:root, [data-theme="light"] {
  --color-bg:             #faf9f7;
  --color-surface:        #ffffff;
  --color-surface-2:      #f5f3f0;
  --color-surface-offset: #ede9e4;
  --color-divider:        #e0dbd4;
  --color-border:         #d6d0c8;
  --color-text:           #1a1714;
  --color-text-muted:     #6b6560;
  --color-text-faint:     #b0aaa2;
  --color-text-inverse:   #faf9f7;
  --color-primary:        #cc1b1b;
  --color-primary-hover:  #a81515;
  --color-primary-active: #8a1010;
  --color-primary-highlight: #f5dada;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Inter', 'Helvetica Neue', sans-serif;
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem;    --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;    --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;   --space-20: 5rem;   --space-24: 6rem;
  --radius-sm: 0.25rem; --radius-md: 0.5rem; --radius-lg: 0.75rem; --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(26,23,20,0.07);
  --shadow-md: 0 4px 16px rgba(26,23,20,0.09);
  --shadow-lg: 0 12px 40px rgba(26,23,20,0.13);
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --content-narrow: 640px; --content-default: 960px; --content-wide: 1200px;
}

[data-theme="dark"] {
  --color-bg:             #121110;
  --color-surface:        #1a1917;
  --color-surface-2:      #1f1e1c;
  --color-surface-offset: #252320;
  --color-divider:        #2e2c29;
  --color-border:         #3a3835;
  --color-text:           #e8e4df;
  --color-text-muted:     #8c8880;
  --color-text-faint:     #5a5750;
  --color-text-inverse:   #1a1917;
  --color-primary:        #e84040;
  --color-primary-hover:  #f05555;
  --color-primary-active: #f57070;
  --color-primary-highlight: #3d1f1f;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.25);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.35);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:#121110; --color-surface:#1a1917; --color-surface-2:#1f1e1c;
    --color-surface-offset:#252320; --color-divider:#2e2c29; --color-border:#3a3835;
    --color-text:#e8e4df; --color-text-muted:#8c8880; --color-text-faint:#5a5750;
    --color-text-inverse:#1a1917; --color-primary:#e84040;
    --color-primary-hover:#f05555; --color-primary-active:#f57070;
    --color-primary-highlight:#3d1f1f;
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-font-smoothing: antialiased; }
body { min-height: 100dvh; font-family: var(--font-body); font-size: var(--text-base); color: var(--color-text); background: var(--color-bg); line-height: 1.65; transition: background var(--transition), color var(--transition); }
img, video, picture { display: block; max-width: 100%; height: auto; }
h1,h2,h3,h4 { font-family: var(--font-display); line-height: 1.15; text-wrap: balance; }
p, li { text-wrap: pretty; max-width: 70ch; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
input, textarea, select { font: inherit; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 68px;
  display: flex; align-items: center;
  padding-inline: var(--space-6);
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition: background var(--transition), border-color var(--transition);
}
.navbar-inner {
  max-width: var(--content-wide); width: 100%; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-6);
}
.navbar-logo {
  display: flex; align-items: center; gap: var(--space-3); text-decoration: none;
}
.navbar-logo img { width: 38px; height: 38px; border-radius: var(--radius-full); }
.navbar-logo-name {
  font-family: var(--font-display); font-size: 1.35rem; font-weight: 700;
  letter-spacing: -0.01em; color: var(--color-text);
}
.navbar-logo-name span { color: var(--color-primary); }
.navbar-links { display: flex; align-items: center; gap: var(--space-1); }
.navbar-links a {
  font-size: var(--text-sm); font-weight: 500; padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md); color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
}
.navbar-links a:hover, .navbar-links a.active { color: var(--color-text); background: var(--color-surface-2); }
.navbar-actions { display: flex; align-items: center; gap: var(--space-3); }

/* Language switcher */
.lang-switcher { display: flex; align-items: center; gap: var(--space-1); }
.lang-btn {
  font-size: var(--text-xs); font-weight: 500; padding: 3px var(--space-2);
  border-radius: var(--radius-sm); color: var(--color-text-faint);
  transition: color var(--transition), background var(--transition);
  letter-spacing: 0.04em;
}
.lang-btn:hover { color: var(--color-text-muted); }
.lang-btn.active { color: var(--color-primary); background: var(--color-primary-highlight); }
.lang-divider { width: 1px; height: 14px; background: var(--color-divider); }

/* CTA button */
.btn-primary {
  display: inline-flex; align-items: center; gap: var(--space-2);
  background: var(--color-primary); color: #fff;
  font-size: var(--text-sm); font-weight: 500; letter-spacing: 0.01em;
  padding: var(--space-2) var(--space-5); border-radius: var(--radius-full);
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn-primary:hover { background: var(--color-primary-hover); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-primary:active { background: var(--color-primary-active); transform: translateY(0); }

.btn-outline {
  display: inline-flex; align-items: center; gap: var(--space-2);
  border: 1.5px solid var(--color-border); color: var(--color-text-muted);
  font-size: var(--text-sm); font-weight: 500;
  padding: var(--space-2) var(--space-5); border-radius: var(--radius-full);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  white-space: nowrap;
}
.btn-outline:hover { border-color: var(--color-text-muted); color: var(--color-text); background: var(--color-surface-2); }

/* Navbar Instagram butonu */
.navbar-ig-btn {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
}
.navbar-ig-btn:hover { color: var(--color-primary); background: var(--color-surface-2); }

/* BMC Navbar butonu */
.bmc-nav-btn { display: flex; align-items: center; }
.bmc-nav-btn img { height: 36px !important; width: auto !important; display: block; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; width: 36px; height: 36px;
  align-items: center; justify-content: center; border-radius: var(--radius-md);
  transition: background var(--transition); }
.hamburger:hover { background: var(--color-surface-2); }
.hamburger span { display: block; width: 20px; height: 1.5px; background: var(--color-text); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }

/* Mobile nav drawer */
.mobile-nav {
  display: none; position: fixed; top: 68px; left: 0; right: 0; bottom: 0; z-index: 99;
  background: var(--color-surface); padding: var(--space-6);
  flex-direction: column; gap: var(--space-4);
  border-top: 1px solid var(--color-divider);
}
.mobile-nav.open { display: flex; }
.mobile-nav a { font-size: var(--text-lg); font-family: var(--font-display); font-weight: 600; color: var(--color-text); padding: var(--space-3) 0; border-bottom: 1px solid var(--color-divider); }

/* ===== PAGE WRAPPER ===== */
.page-wrapper { padding-top: 68px; }

/* ===== HERO ===== */
.hero {
  min-height: 92vh; display: grid; place-items: center;
  padding: clamp(var(--space-16), 10vw, var(--space-24)) var(--space-6);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, oklch(from var(--color-primary) l c h / 0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: var(--content-wide); width: 100%; position: relative; z-index: 1;
  display: grid; grid-template-columns: 5fr 7fr; gap: var(--space-10); align-items: start;
}
.hero-text { display: flex; flex-direction: column; gap: var(--space-6); }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-primary); background: var(--color-primary-highlight);
  padding: var(--space-1) var(--space-3); border-radius: var(--radius-full);
  width: fit-content;
}
.hero-title {
  font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 700;
  line-height: 1.08; letter-spacing: -0.02em; color: var(--color-text);
}
.hero-title em { font-style: italic; color: var(--color-primary); }
.hero-subtitle { font-size: var(--text-base); color: var(--color-text-muted); line-height: 1.7; max-width: 44ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-2); }

.hero-media {
  position: relative; margin-top: var(--space-3);
  padding: var(--space-6); background: var(--color-surface-offset);
  border-radius: var(--radius-lg);
}
.hero-media::before {
  content: ''; position: absolute; inset: 0;
  border-radius: var(--radius-lg); border: 1px solid var(--color-border); pointer-events: none;
}
.hero-video-wrap {
  position: relative; border-radius: calc(var(--radius-lg) - var(--space-2));
  overflow: hidden; box-shadow: var(--shadow-md); aspect-ratio: 16/9;
  width: 100%; background: var(--color-surface-offset);
}
.hero-video-wrap iframe, .hero-video-wrap video {
  position: absolute; inset: 0; width: 100%; height: 100%; border: none; display: block;
}

/* Social strip */
.social-strip {
  display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap;
  margin-top: var(--space-8); padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}
.social-strip-label { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-faint); }
.social-link {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-sm); font-weight: 500; color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.social-link:hover { color: var(--color-text); border-color: var(--color-text-muted); background: var(--color-surface-2); }

/* ===== SECTION COMMON ===== */
.section { padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-6); }
.section-inner { max-width: var(--content-default); margin: 0 auto; }
.section-label {
  display: inline-block; font-size: var(--text-xs); font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.section-title {
  font-family: var(--font-display); font-size: var(--text-2xl);
  font-weight: 700; letter-spacing: -0.02em; line-height: 1.1;
  margin-bottom: var(--space-6); color: var(--color-text);
}
.section-title em { font-style: italic; color: var(--color-primary); }

/* ===== BIO PAGE ===== */
.bio-grid { display: grid; grid-template-columns: 300px 1fr; gap: var(--space-16); align-items: start; }
.bio-photo-wrap {
  position: sticky; top: calc(68px + var(--space-8));
  border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 3/4; background: var(--color-surface-offset);
  box-shadow: var(--shadow-md);
}
.bio-photo-wrap img { width: 100%; height: 100%; object-fit: cover; }
.bio-content { display: flex; flex-direction: column; gap: var(--space-8); }
.bio-intro { font-family: var(--font-display); font-size: var(--text-xl); line-height: 1.4; color: var(--color-text); }
.bio-body { display: flex; flex-direction: column; gap: var(--space-4); }
.bio-body p { color: var(--color-text-muted); line-height: 1.8; }
.bio-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.bio-tag {
  font-size: var(--text-xs); font-weight: 500; letter-spacing: 0.04em;
  padding: var(--space-1) var(--space-3); border-radius: var(--radius-full);
  border: 1px solid var(--color-border); color: var(--color-text-muted);
}

/* ===== LESSONS PAGE ===== */
.lessons-hero {
  padding: clamp(var(--space-12), 8vw, var(--space-20)) var(--space-6);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
}
.lessons-hero-inner { max-width: var(--content-default); margin: 0 auto; }
.lessons-intro { font-size: var(--text-base); color: var(--color-text-muted); max-width: 60ch; margin-top: var(--space-4); line-height: 1.8; }
.pricing-cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-6); margin-top: var(--space-10);
}
.pricing-card {
  padding: var(--space-8); border-radius: var(--radius-lg);
  border: 1px solid var(--color-border); background: var(--color-surface);
  display: flex; flex-direction: column; gap: var(--space-4);
  transition: box-shadow var(--transition), transform var(--transition);
}
.pricing-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

/* Normal kart fiyat metinleri */
.pricing-card-price {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px;
  margin: var(--space-2) 0;
}
.price-currency {
  font-family: var(--font-display); font-size: var(--text-lg);
  font-weight: 600; color: var(--color-text);
}
.price-amount {
  font-family: var(--font-display); font-size: var(--text-3xl);
  font-weight: 700; color: var(--color-text); line-height: 1;
}
.price-period {
  font-size: var(--text-sm); color: var(--color-text-muted); margin-left: 2px;
}
.price-subtitle {
  width: 100%; font-size: var(--text-sm);
  color: var(--color-primary); font-weight: 500; margin-top: 2px;
}

/* Featured kart — kırmızı çerçeveli, ama KOYU arkaplan YOK, her iki modda da okunur */
.pricing-card.featured {
  border-color: var(--color-primary);
  border-width: 2px;
  background: var(--color-surface);
}
.pricing-card.featured .pricing-card-label { color: var(--color-primary); }
.pricing-card.featured .pricing-card-name { color: var(--color-text); }
.pricing-card.featured .pricing-card-desc,
.pricing-card.featured .pricing-card-features li { color: var(--color-text-muted); }
.pricing-card.featured .price-currency,
.pricing-card.featured .price-amount,
.pricing-card.featured .price-period { color: var(--color-text); }
.pricing-card.featured .price-subtitle { color: var(--color-primary); }
.pricing-card.featured .pricing-card-features li::before { background: var(--color-primary); }

.pricing-card-label { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-muted); }
.pricing-card-name { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; color: var(--color-text); }
.pricing-card-desc { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; }
.pricing-card-features { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); flex: 1; }
.pricing-card-features li { font-size: var(--text-sm); color: var(--color-text-muted); display: flex; align-items: center; gap: var(--space-2); }
.pricing-card-features li::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--color-primary); flex-shrink: 0; }

/* Calendar embed */
.cal-embed-section { padding: clamp(var(--space-12), 8vw, var(--space-20)) var(--space-6); }
.cal-embed-inner { max-width: var(--content-default); margin: 0 auto; }
.cal-embed-wrap {
  margin-top: var(--space-8); border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--color-divider);
  background: var(--color-surface); min-height: 600px;
}
.cal-embed-wrap iframe { width: 100%; min-height: 700px; border: none; display: block; }

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-12) var(--space-6);
  background: var(--color-surface);
}
.footer-inner {
  max-width: var(--content-wide); margin: 0 auto;
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--space-6);
}
.footer-brand { display: flex; align-items: center; gap: var(--space-3); }
.footer-brand img { width: 32px; height: 32px; border-radius: var(--radius-full); }
.footer-brand-name { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; }
.footer-brand-name span { color: var(--color-primary); }
.footer-links { display: flex; gap: var(--space-6); flex-wrap: wrap; }
.footer-links a { font-size: var(--text-sm); color: var(--color-text-muted); transition: color var(--transition); }
.footer-links a:hover { color: var(--color-text); }
.footer-copy { font-size: var(--text-xs); color: var(--color-text-faint); }
.footer-social { display: flex; gap: var(--space-3); }
.footer-social a {
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-full); border: 1px solid var(--color-border); color: var(--color-text-muted);
  transition: all var(--transition);
}
.footer-social a:hover { color: var(--color-text); border-color: var(--color-text-muted); background: var(--color-surface-2); }

/* ===== FLOATING THEME TOGGLE (SOL ALT KÖŞE) ===== */
.theme-float-btn {
  position: fixed;
  bottom: 18px;
  left: 18px;
  width: 54px;
  height: 54px;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  cursor: pointer;
  z-index: 9999;
  transition: transform var(--transition), box-shadow var(--transition),
              background var(--transition), color var(--transition), border-color var(--transition);
}
.theme-float-btn:hover {
  color: var(--color-primary);
  background: var(--color-surface-2);
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.theme-float-btn svg { width: 22px; height: 22px; flex-shrink: 0; }

/* ===== TESTIMONIALS (MARQUEE) ===== */
.testimonials-section {
  padding: var(--space-12) 0 var(--space-20) 0;
  overflow: hidden;
  background: var(--color-bg);
}
.preply-title-link {
  color: inherit; text-decoration: none;
  display: inline-flex; align-items: center; gap: var(--space-2);
  transition: color var(--transition);
}
.preply-title-link svg { color: var(--color-text-faint); transition: transform var(--transition), color var(--transition); }
.preply-title-link:hover { color: var(--color-primary); }
.preply-title-link:hover svg { color: var(--color-primary); transform: translate(3px, -3px); }
.marquee-wrapper {
  display: flex; overflow: hidden; user-select: none;
  gap: var(--space-6); margin-top: var(--space-10);
  mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}
.marquee {
  display: flex; flex-shrink: 0; gap: var(--space-6); min-width: 100%;
  animation: scrollMarquee 35s linear infinite;
}
.marquee-wrapper:hover .marquee { animation-play-state: paused; }
@keyframes scrollMarquee {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-100% - var(--space-6))); }
}
.review-card {
  width: 340px; padding: var(--space-6);
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); display: flex; flex-direction: column;
  gap: var(--space-4); white-space: normal;
}
.review-header { display: flex; align-items: center; gap: var(--space-3); }
.review-avatar {
  width: 44px; height: 44px; border-radius: var(--radius-full);
  background: var(--color-primary-highlight); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 1.4rem; font-weight: 700;
  flex-shrink: 0;
}
.review-name { font-weight: 600; font-size: var(--text-sm); color: var(--color-text); }
.review-stars { color: #c49a00; font-size: 0.9rem; letter-spacing: 1px; margin-top: 2px; }
.review-text { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; }

/* ===== SCROLL REVEAL ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .navbar-links, .navbar-actions .btn-primary, .navbar-actions .bmc-nav-btn { display: none; }
  .hamburger { display: flex; }
  .hero-inner { grid-template-columns: 1fr; gap: var(--space-10); }
  .hero-media { order: -1; margin-top: 0; }
  .bio-grid { grid-template-columns: 1fr; }
  .bio-photo-wrap { position: static; aspect-ratio: 1/1; max-width: 280px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .review-card { width: 280px; }
  .marquee-wrapper { mask-image: none; -webkit-mask-image: none; padding-left: var(--space-4); }
  /* Mobilde tema butonu biraz daha küçük */
  .theme-float-btn { width: 48px; height: 48px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .marquee { animation: none; }
}