/* ============================================================
   Kurtuluş Sinan — kurtulussinan.com.tr
   Saf CSS3, değişken tabanlı, mobile-first
   ============================================================ */

:root {
  --color-bg:          #F4EDDF;   /* Krem — ana arkaplan */
  --color-surface:     #EAE1CE;   /* Daha derin krem — kartlar, paneller */
  --color-accent:      #1F335C;   /* Lacivert — vurgu, başlık aksan */
  --color-accent-dim:  #3A4E78;   /* Soluk lacivert — hover öncesi ton */
  --color-card:        #FBF6EC;   /* Açık krem — kart yüzeyi */
  --color-text:        #1C2740;   /* Koyu lacivert — ana metin */
  --color-muted:       #6E7187;   /* Soğuk gri — ikincil metin */
  --color-divider:     #D9CEB8;   /* İnce bölücüler */

  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  --maxw: 1200px;
  --nav-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section {
  padding-block: clamp(4rem, 9vw, 8rem);
}

.section__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.1;
  margin: 0 0 1.5rem;
  color: var(--color-text);
}

.section__title::after {
  content: "";
  display: block;
  width: 60px;
  height: 1px;
  background: var(--color-accent);
  margin-top: 1rem;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  background: transparent;
  transition: background-color .4s ease, backdrop-filter .4s ease, border-color .4s ease;
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: rgba(244, 237, 223, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--color-divider);
}

.nav__inner {
  max-width: var(--maxw);
  margin-inline: auto;
  height: 100%;
  padding-inline: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 2.1rem;
  line-height: 1;
  letter-spacing: .08em;
  color: var(--color-accent);
}

.nav__menu {
  display: flex;
  gap: 2rem;
}

.nav__link {
  position: relative;
  font-size: .95rem;
  font-weight: 400;
  color: var(--color-muted);
  padding-block: .25rem;
  transition: color .3s ease;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width .35s ease;
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--color-text);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  width: 100%;
}

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform .35s ease, opacity .25s ease;
}

.nav__toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(120% 95% at 50% -10%, #FBF6EC 0%, #F4EDDF 48%, #E7DDC8 100%);
}

/* Yumuşak lacivert ışıltılar */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  z-index: 0;
  pointer-events: none;
}

.hero::before {
  width: 55vw;
  height: 55vw;
  left: -14vw;
  top: -16vw;
  background: radial-gradient(circle, rgba(31, 51, 92, 0.20), transparent 70%);
  animation: floatGlow 16s ease-in-out infinite;
}

.hero::after {
  width: 48vw;
  height: 48vw;
  right: -16vw;
  bottom: -20vw;
  background: radial-gradient(circle, rgba(58, 78, 120, 0.18), transparent 70%);
  animation: floatGlow 22s ease-in-out infinite reverse;
}

@keyframes floatGlow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(4vw, 3vw); }
}

/* Radyal halkalar + ince ızgara deseni */
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    repeating-radial-gradient(circle at 50% 44%, transparent 0 63px, rgba(31, 51, 92, 0.05) 63px 64px),
    linear-gradient(rgba(31, 51, 92, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 51, 92, 0.04) 1px, transparent 1px);
  background-size: 100% 100%, 58px 58px, 58px 58px;
  -webkit-mask-image: radial-gradient(125% 95% at 50% 40%, #000 30%, transparent 82%);
          mask-image: radial-gradient(125% 95% at 50% 40%, #000 30%, transparent 82%);
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-inline: 1.5rem;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(3rem, 6vw, 6rem);
  line-height: 1.05;
  letter-spacing: .04em;
  margin: 1.5rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0 .35em;
  justify-content: center;
}

.hero__title .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease, transform .8s ease;
}

.hero__title .word.is-in {
  opacity: 1;
  transform: translateY(0);
}

.hero__rule {
  display: block;
  width: 60px;
  height: 1px;
  background: var(--color-accent);
  margin: 1.75rem auto;
}

.hero__subtitle {
  margin: 0;
  font-size: clamp(.95rem, 1.5vw, 1.15rem);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* Monogram */
.monogram {
  overflow: visible;
  transition: filter .5s ease;
}

.monogram circle,
.monogram text { transform-box: fill-box; }

.monogram {
  animation: rotateMono 8s linear infinite;
  transform-origin: center;
}

.monogram:hover {
  animation-play-state: paused;
  filter: drop-shadow(0 0 12px rgba(31, 51, 92, 0.45));
}

@keyframes rotateMono {
  to { transform: rotate(360deg); }
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  right: 1.5rem;
  bottom: 1.75rem;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .35rem;
  font-size: .75rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-muted);
  transition: color .3s ease;
}

.hero__scroll:hover { color: var(--color-accent); }

.hero__arrow {
  font-size: 1.1rem;
  animation: bounce 1.8s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ============================================================
   HAKKINDA
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

.about__media {
  position: relative;
  padding-left: 1.25rem;
}

.about__media::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-accent);
}

.about__media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 0;
  box-shadow: 0 14px 36px rgba(28, 39, 64, 0.1);
}

.about__text p {
  color: var(--color-text);
  max-width: 56ch;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
  border-top: 1px solid var(--color-divider);
  padding-top: 2rem;
}

.stat__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-accent);
  line-height: 1;
}

.stat__label {
  display: block;
  margin-top: .5rem;
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.about__lead {
  max-width: 56ch;
}

.about__meta {
  margin: 1.25rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.about__meta li {
  font-size: .95rem;
  color: var(--color-text);
}

.about__meta-label {
  display: inline-block;
  margin-right: .5rem;
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent-dim);
}

/* ---------- Özgeçmiş / CV ---------- */
.cv {
  margin-top: 2.5rem;
}

.cv__heading {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.4rem;
  margin: 0 0 1.25rem;
  color: var(--color-accent);
}

.cv__heading::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 1px;
  vertical-align: middle;
  margin-right: .6rem;
  background: var(--color-accent);
}

.cv__timeline {
  position: relative;
  margin: 0 0 2.5rem;
  padding: 0 0 0 1.75rem;
  list-style: none;
}

.cv__timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--color-divider);
}

.cv__item {
  position: relative;
  padding-bottom: 1.75rem;
}

.cv__item:last-child {
  padding-bottom: 0;
}

.cv__item::before {
  content: "";
  position: absolute;
  left: -1.75rem;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1.5px solid var(--color-accent);
  transform: translateX(0);
}

.cv__date {
  display: block;
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent-dim);
  margin-bottom: .2rem;
}

.cv__role {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.2;
  margin: 0;
  color: var(--color-text);
}

.cv__org {
  font-size: .9rem;
  color: var(--color-muted);
}

.cv__desc {
  margin: .5rem 0 0;
  font-size: .95rem;
  color: var(--color-muted);
  max-width: 52ch;
}

.cv__cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  border-top: 1px solid var(--color-divider);
  padding-top: 2rem;
}

.cv__edu {
  margin: 0;
  line-height: 1.6;
}

.cv__skills {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.cv__skills li {
  font-size: .85rem;
  letter-spacing: .03em;
  color: var(--color-accent);
  border: 1px solid var(--color-divider);
  background: var(--color-card);
  padding: .4rem .9rem;
  border-radius: 999px;
}

/* ============================================================
   VİZYON
   ============================================================ */
.vision {
  background: var(--color-surface);
}

.vision__quote {
  max-width: 50ch;
  margin: 0 auto 4rem;
  text-align: center;
}

.vision__quote p {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.35;
  margin: 0 0 1rem;
}

.vision__quote cite {
  font-style: normal;
  font-size: .9rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-divider);
  padding: 2.25rem 2rem;
  box-shadow: 0 10px 30px rgba(28, 39, 64, 0.06);
  transition: border-color .35s ease, transform .35s ease, box-shadow .35s ease;
}

.card:hover {
  border-color: var(--color-accent-dim);
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(28, 39, 64, 0.12);
}

.card__icon {
  display: inline-flex;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.5rem;
  margin: 0 0 .5rem;
}

.card p {
  margin: 0;
  color: var(--color-muted);
}

/* ============================================================
   RORCAFE
   ============================================================ */
.rorcafe__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.rorcafe__media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  box-shadow: 0 14px 36px rgba(28, 39, 64, 0.1);
}

.rorcafe__logo {
  width: auto;
  height: 48px;
  margin-bottom: 1.25rem;
  object-fit: contain;
}

.rorcafe__text p {
  color: var(--color-text);
  max-width: 56ch;
  margin-bottom: 2rem;
}

/* Button */
.btn {
  display: inline-block;
  font-size: .9rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  padding: .85rem 2rem;
  transition: background-color .35s ease, color .35s ease;
}

.btn:hover,
.btn:focus-visible {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* ============================================================
   İLETİŞİM
   ============================================================ */
.contact__inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact .section__title::after { margin-inline: auto; }

.contact__email {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--color-text);
  transition: color .3s ease;
  margin-bottom: 2rem;
}

.contact__email:hover { color: var(--color-accent); }

.social {
  display: flex;
  gap: 1.5rem;
}

.social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-divider);
  color: var(--color-muted);
  border-radius: 50%;
  transition: color .3s ease, border-color .3s ease;
}

.social a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding-block: 2.5rem;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  text-align: center;
}

.footer__mono {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--color-accent);
  letter-spacing: .08em;
}

.footer__copy {
  margin: 0;
  font-size: .85rem;
  color: var(--color-muted);
}

.footer__link {
  font-size: .85rem;
  letter-spacing: .05em;
  color: var(--color-muted);
  transition: color .3s ease;
}

.footer__link:hover { color: var(--color-accent); }

/* ============================================================
   SCROLL ANIMASYONLARI
   ============================================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-child:nth-child(1) { transition-delay: 0s; }
.stagger-child:nth-child(2) { transition-delay: .15s; }
.stagger-child:nth-child(3) { transition-delay: .30s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (min-width: 768px) {
  .about__grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 4rem;
  }
  .about__media {
    position: sticky;
    top: calc(var(--nav-h) + 2rem);
  }
  .rorcafe__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
  }
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }
  .cv__cols {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .nav__toggle { display: flex; }

  .nav__menu {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: center;
    gap: 0;
    background: rgba(244, 237, 223, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-divider);
    padding: 1rem 0 2rem;
    transform: translateY(-120%);
    transition: transform .4s ease;
  }

  .nav__menu.is-open { transform: translateY(0); }

  .nav__link {
    display: block;
    padding: 1rem 0;
    font-size: 1.1rem;
  }
}

@media (min-width: 1200px) {
  .container { padding-inline: 2rem; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .animate-on-scroll { opacity: 1; transform: none; transition: none; }
  .hero__title .word { opacity: 1; transform: none; transition: none; }
  .monogram { animation: none; }
  .hero__arrow { animation: none; }
  .hero::before,
  .hero::after { animation: none; }
}