:root {
  --navy-950: #061830;
  --navy-900: #0a2a52;
  --navy-800: #0c4884;
  --navy-700: #185484;
  --navy-500: #2a6fad;
  --blue-200: #9ec5e8;
  --red-600: #b82828;
  --red-500: #cc3030;
  --red-400: #e04545;
  --ice: #f2f5f9;
  --ink: #0d1829;
  --ink-soft: #4a5568;
  --line: rgba(12, 72, 132, 0.14);
  --white: #ffffff;
  --header-h: 4.5rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Barlow Condensed", sans-serif;
  --font-body: "Sora", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(12, 72, 132, 0.09), transparent 55%),
    radial-gradient(900px 500px at 100% 20%, rgba(204, 48, 48, 0.06), transparent 50%),
    var(--ice);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

/* —— Header —— */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.site-header.is-solid {
  background: rgba(6, 24, 48, 0.94);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  height: 100%;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--white);
  min-width: 0;
}

.brand-logo {
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
  object-fit: contain;
  border-radius: 50%;
}

.brand-logo-footer {
  width: 3.25rem;
  height: 3.25rem;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-sub {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.72;
}

.nav {
  margin-left: auto;
  display: flex;
  gap: 1.75rem;
}

.nav a {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.25s var(--ease);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--red-400);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--white);
}

.nav a:hover::after,
.nav a:focus-visible::after {
  transform: scaleX(1);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1rem;
  background: var(--red-500);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.header-cta:hover,
.header-cta:focus-visible {
  background: var(--red-400);
  color: var(--white);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  padding: 0.5rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--white);
  margin: 6px 0;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  transform: scale(1.06);
  animation: hero-drift 18s var(--ease) infinite alternate;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 24, 48, 0.58) 0%, rgba(6, 24, 48, 0.38) 35%, rgba(6, 24, 48, 0.9) 100%),
    linear-gradient(90deg, rgba(12, 72, 132, 0.5) 0%, transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  padding: calc(var(--header-h) + 4rem) 1.25rem 4.5rem;
}

.hero-logo {
  display: block;
  width: clamp(6.5rem, 16vw, 9.5rem);
  height: auto;
  margin: 0 0 1.25rem;
  filter: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.35));
  opacity: 0;
  transform: translateY(28px);
  animation: rise 0.9s var(--ease) 0.08s forwards;
}

.hero-brand {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.2rem, 10vw, 6.5rem);
  line-height: 0.9;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(28px);
  animation: rise 0.9s var(--ease) 0.2s forwards;
}

.hero h1 {
  margin: 0 0 1rem;
  max-width: 14ch;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.85rem, 4.2vw, 3rem);
  line-height: 1.05;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--red-400);
  opacity: 0;
  transform: translateY(28px);
  animation: rise 0.9s var(--ease) 0.32s forwards;
}

.hero-lead {
  margin: 0 0 2rem;
  max-width: 36rem;
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  color: rgba(242, 245, 249, 0.9);
  opacity: 0;
  transform: translateY(28px);
  animation: rise 0.9s var(--ease) 0.44s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  opacity: 0;
  transform: translateY(28px);
  animation: rise 0.9s var(--ease) 0.56s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.35rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.btn-primary {
  background: var(--red-500);
  color: var(--white);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--red-400);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: var(--white);
  background: transparent;
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

/* —— Sections —— */
.section {
  padding: clamp(4.5rem, 9vw, 7rem) 0;
}

.section-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.eyebrow {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy-800);
}

.section h2 {
  margin: 0 0 1rem;
  max-width: 16ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  line-height: 0.98;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.section-lead {
  margin: 0 0 2.75rem;
  max-width: 38rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Eğitim */
.section-egitim {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.65), transparent 40%),
    var(--ice);
}

.egitim-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.egitim-list li {
  display: grid;
  grid-template-columns: minmax(10rem, 0.4fr) 1fr;
  gap: 1rem 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.egitim-list strong {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1.15;
  color: var(--navy-900);
}

.egitim-list span {
  color: var(--ink-soft);
  align-self: center;
}

/* Yaklaşım */
.section-yaklasim {
  background: var(--navy-950);
  color: var(--ice);
}

.section-yaklasim .eyebrow {
  color: var(--red-400);
}

.yaklasim-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.yaklasim-copy p {
  max-width: 36rem;
  color: rgba(242, 245, 249, 0.78);
}

.yaklasim-copy p + p {
  margin-top: 1rem;
}

.yaklasim-aside {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  margin-top: 0.5rem;
}

.aside-item {
  padding: 1.35rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.aside-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-200);
}

.aside-value {
  font-size: 1.05rem;
  font-weight: 500;
}

/* İletişim */
.section-iletisim {
  background:
    linear-gradient(135deg, rgba(12, 72, 132, 0.07), transparent 42%),
    linear-gradient(225deg, rgba(204, 48, 48, 0.04), transparent 35%),
    var(--white);
}

.contact-rows {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.contact-row {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
  transition: color 0.25s var(--ease), padding-left 0.35s var(--ease);
}

a.contact-row:hover,
a.contact-row:focus-visible {
  color: var(--navy-800);
  padding-left: 0.35rem;
}

.contact-label {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.contact-value {
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* Footer */
.site-footer {
  background: var(--navy-900);
  color: rgba(242, 245, 249, 0.75);
  padding: 2.5rem 0;
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.footer-brand strong {
  display: block;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-brand p {
  margin: 0.15rem 0 0;
  font-size: 0.85rem;
}

.footer-copy {
  margin: 0;
  font-size: 0.85rem;
}

/* —— Motion —— */
@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes hero-drift {
  from {
    transform: scale(1.06) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.12) translate3d(-1.5%, -1%, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-media img,
  .hero-logo,
  .hero-brand,
  .hero h1,
  .hero-lead,
  .hero-actions,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* —— Responsive —— */
@media (max-width: 900px) {
  .yaklasim-grid {
    grid-template-columns: 1fr;
  }

  .egitim-list li {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
}

@media (max-width: 760px) {
  .nav,
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .site-header.is-open {
    background: rgba(6, 24, 48, 0.97);
  }

  .site-header.is-open .nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    padding: 1rem 1.25rem 1.5rem;
    background: rgba(6, 24, 48, 0.97);
    gap: 1rem;
    margin: 0;
  }

  .site-header.is-open .header-cta {
    display: inline-flex;
    position: absolute;
    top: calc(var(--header-h) + 9.5rem);
    left: 1.25rem;
  }

  .hero-content {
    padding-bottom: 3.25rem;
  }

  .contact-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}