/* =========================================================
   Design tokens
   ========================================================= */
:root {
  /* Warm palette — cream, sand, khaki, mustard */
  --cream:        #F5EFD5;
  --cream-2:      #F0E8B8;
  --sand:         #E8DDA0;
  --sand-line:    #D4C580;
  --khaki:        #5A6850;
  --khaki-2:      #4A5840;
  --khaki-deep:   #3D4A33;
  --ink:          #3D4A33;
  --ink-muted:    color-mix(in oklab, #E8DDA0 60%, transparent);
  --mustard:      #D4C580;
  --mustard-2:    #E8DDA0;
  --mustard-soft: #F0E8B8;
  --white-warm:   #F5EFD5;

  /* Semantic */
  --bg:           var(--khaki-deep);
  --bg-alt:       var(--khaki-2);
  --bg-deep:      var(--cream);
  --text:         var(--cream);
  --text-muted:   color-mix(in oklab, var(--cream) 70%, transparent);
  --accent:       var(--mustard);
  --accent-soft:  var(--mustard-soft);
  --rule:         color-mix(in oklab, var(--cream) 18%, transparent);

  /* Type */
  --font-display: "Fraunces", "Times New Roman", serif;
  --font-sans:    "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mark:    "Michroma", "Fraunces", serif;

  /* Rhythm */
  --container:    1200px;
  --gutter:       clamp(20px, 4vw, 40px);
  --section-y:    clamp(80px, 12vw, 140px);

  /* Motion */
  --ease:         cubic-bezier(.2, .7, .2, 1);
  --dur:          .5s;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: var(--mustard-soft); color: var(--khaki-deep); }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--khaki-deep); color: var(--cream);
  padding: 10px 16px; z-index: 1000;
}
.skip-link:focus { left: 12px; top: 12px; }

/* =========================================================
   Layout
   ========================================================= */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--section-y);
  position: relative;
}

.section--alt {
  background: var(--bg-alt);
}

/* Hairline top rule on alt sections for subtle separation */
.section--alt::before {
  content: "";
  position: absolute; left: 0; right: 0; top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--mustard-soft) 20%, var(--mustard-soft) 80%, transparent);
}

.section__head {
  max-width: 780px;
  margin-bottom: clamp(48px, 6vw, 72px);
}

.section__label {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--mustard-soft);
  font-weight: 500;
}
.section__num {
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
  color: var(--accent);
  letter-spacing: .05em;
}
.section__label--light { color: var(--mustard-soft); }
.section__label--light .section__num { color: var(--mustard); }

.section__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  color: var(--text);
}

.section__lead {
  font-size: clamp(1rem, 1.25vw, 1.125rem);
  color: var(--text-muted);
  max-width: 58ch;
  margin: 0;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--mustard-soft);
  font-weight: 500;
  margin: 0 0 28px;
}

/* =========================================================
   Nav
   ========================================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--khaki-deep) 88%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav.is-scrolled {
  border-bottom-color: var(--rule);
  background: color-mix(in oklab, var(--khaki-deep) 96%, transparent);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.nav__logo-img {
    width: auto;  /* Genişliği buradan ayarla, çok küçük gelirse 40px yap */
    height: 50px; /* Oranı bozmasın */
    display: inline-block;
    vertical-align: middle; /* Metinlerle aynı hizada dursun */
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  color: var(--text);
}
.nav__mark {
  font-family: var(--font-mark);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--accent);
  border: none;
  width: auto;
  height: auto;
  padding: 0 4px;
}
.nav__name {
  font-size: 14px;
  letter-spacing: .03em;
}

.nav__links {
  display: flex;
  gap: 34px;
}
.nav__links a {
  font-size: 14px;
  color: var(--text-muted);
  position: relative;
  padding: 4px 0;
}
.nav__links a:hover { color: var(--text); }
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 1px;
  background: var(--accent);
  transition: right var(--dur) var(--ease);
}
.nav__links a:hover::after { right: 0; }
.nav__links a.is-active { color: var(--text); }
.nav__links a.is-active::after { right: 0; }

.nav__actions {
  display: flex; align-items: center; gap: 16px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: color-mix(in oklab, var(--khaki-2) 70%, transparent);
}
.lang-switch button {
  font-size: 12px;
  letter-spacing: .12em;
  font-weight: 500;
  color: var(--text-muted);
  padding: 2px 6px;
  transition: color var(--dur) var(--ease);
}
.lang-switch button.is-active { color: var(--mustard); }
.lang-switch button:hover { color: var(--text); }
.lang-switch__divider {
  width: 1px; height: 12px; background: var(--rule);
}

.nav__burger {
  display: none;
  width: 36px; height: 36px;
  position: relative;
}
.nav__burger span {
  position: absolute; left: 8px; right: 8px; height: 1px;
  background: var(--text);
  transition: transform var(--dur) var(--ease), top var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav__burger span:nth-child(1) { top: 14px; }
.nav__burger span:nth-child(2) { top: 22px; }
.nav__burger[aria-expanded="true"] span:nth-child(1) { top: 18px; transform: rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { top: 18px; transform: rotate(-45deg); }

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .04em;
  border-radius: 2px;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease),
              color var(--dur) var(--ease), border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: linear-gradient(180deg, #E8DDA0 0%, #D4C580 100%);
  color: #3D4A33;
  box-shadow: 0 1px 0 rgba(184, 168, 101, 0.4) inset,
              0 8px 24px -12px rgba(61, 74, 51, 0.6);
}
.btn--primary:hover {
  background: linear-gradient(180deg, #D4C580 0%, #BEB060 100%);
}

.btn--ghost {
  color: #E8DDA0;
  border: 1px solid #D4C580;
  background: transparent;
}
.btn--ghost:hover {
  background: color-mix(in oklab, #D4C580 15%, transparent);
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(100px, 14vw, 180px) clamp(80px, 10vw, 140px);
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 85% 0%, color-mix(in oklab, var(--mustard) 22%, transparent), transparent 60%),
    radial-gradient(ellipse 60% 50% at 10% 100%, color-mix(in oklab, var(--khaki) 35%, transparent), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
  z-index: -1;
}

.hero__inner {
  max-width: 920px;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0 0 28px;
  color: var(--text);
}

.hero__lead {
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 58ch;
  margin: 0 0 40px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 52px;
}

.hero__meta {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mustard-soft);
}
.hero__meta-dot { opacity: .6; }

/* =========================================================
   About
   ========================================================= */
.about__inner {
  display: grid;
  grid-template-columns: minmax(200px, 28%) 1fr;
  gap: clamp(48px, 7vw, 96px);
  align-items: start;
}

.about__photo {
  position: static;
  max-width: 280px;
  margin-top: 96px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.about__photo-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 5 / 6;
  background:
    linear-gradient(135deg, var(--sand) 0%, var(--cream-2) 60%, var(--mustard-soft) 100%);
  overflow: hidden;
  border-radius: 2px;
}
.about__photo-frame::before {
  content: "";
  position: absolute; inset: 0;
  border: 1px solid color-mix(in oklab, var(--khaki) 25%, transparent);
  pointer-events: none;
}
.about__photo-frame::after {
  content: "";
  position: absolute;
  inset: -16px -16px 16px 16px;
  border: 1px solid var(--khaki);
  border-radius: 2px;
  z-index: -1;
  opacity: .35;
}
.about__photo-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.about__photo-caption {
  margin: 20px 0 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.about__photo-name {
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--text);
  font-weight: 500;
}
.about__photo-role {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: .01em;
}

.about__content p {
  font-size: clamp(1rem, 1.1vw, 1.0625rem);
  color: var(--text);
  margin: 0 0 1.1em;
  max-width: 58ch;
}

.about__credential-label {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 8px;
}
.about__credential {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: .9rem;
  line-height: 1.6;
  color: var(--accent);
  max-width: 58ch;
}
.about__cv-btn {
  margin-top: 20px;
  align-self: flex-start;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 48px 0 0;
  padding: 32px 0 0;
  border-top: 1px solid var(--rule);
}
.stats__item dt {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  line-height: 1;
  color: var(--khaki-2);
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}
.stats__item dt span {
  color: var(--accent);
  font-style: italic;
}
.stats__item dd {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.4;
}

/* =========================================================
   Services
   ========================================================= */
.services__groups {
  display: flex;
  flex-direction: column;
}

.service-group + .service-group {
  margin-top: clamp(40px, 5.5vw, 64px);
  padding-top: clamp(40px, 5.5vw, 64px);
}

.service-group__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 2vw, 1.875rem);
  margin: 0 0 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid color-mix(in oklab, var(--mustard) 45%, transparent);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
}
.service-group__kicker {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
}

.service-list {
  list-style: none;
  margin: 0; padding: 0;
}
.service-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  transition: padding var(--dur) var(--ease);
}
.service-list li:last-child { border-bottom: 0; }
.service-list li:hover {
  padding-inline: 6px;
}
.service-list__name {
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.005em;
}
.service-list__desc {
  font-size: .9375rem;
  color: var(--text-muted);
}

/* =========================================================
   Approach (principles)
   ========================================================= */
.principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.principle {
  background: var(--khaki-2);
  padding: clamp(28px, 3.5vw, 44px);
  position: relative;
  transition: background var(--dur) var(--ease);
}
.principle:hover {
  background: color-mix(in oklab, var(--mustard-soft) 20%, var(--khaki-2));
}
.principle__num {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
  font-size: 14px;
  letter-spacing: .1em;
  margin-bottom: 14px;
}
.principle h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.25rem, 1.8vw, 1.5rem);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.principle p {
  margin: 0;
  color: var(--text-muted);
  font-size: .9375rem;
  line-height: 1.65;
  max-width: 48ch;
}

/* =========================================================
   Contact (dark)
   ========================================================= */
.contact {
  background:
    radial-gradient(ellipse 70% 60% at 80% 20%, color-mix(in oklab, var(--khaki) 40%, transparent), transparent 60%),
    radial-gradient(ellipse 60% 50% at 10% 90%, color-mix(in oklab, var(--mustard-2) 25%, transparent), transparent 60%),
    var(--khaki-deep);
  color: var(--cream);
}
.contact .section__title, .contact .contact__title {
  color: var(--cream);
}
.contact__inner {
  max-width: 840px;
}
.contact__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 4.2vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 24px;
}
.contact__lead {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  color: color-mix(in oklab, var(--cream) 75%, transparent);
  max-width: 58ch;
  margin: 0 0 56px;
}

.contact__methods {
  list-style: none;
  padding: 0; margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid color-mix(in oklab, var(--cream) 15%, transparent);
}
.contact__methods li {
  display: grid;
  grid-template-columns: 160px 1fr;
  align-items: center;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid color-mix(in oklab, var(--cream) 15%, transparent);
  transition: padding var(--dur) var(--ease);
}
.contact__methods li:hover { padding-inline: 6px; }
/* Phone group: number + messaging chips */
.contact__phone-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
  min-width: 0;
}

.contact__phone-group a:first-child {
  /* mevcut .contact__methods a stilini devralır otomatik */
  position: relative;
}

.contact__messaging {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.contact__chat-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid color-mix(in oklab, var(--cream) 22%, transparent);
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--mustard-soft);
  background: transparent;
  transition: background var(--dur) var(--ease), 
              border-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
}

.contact__chat-link svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.contact__chat-link:hover {
  background: color-mix(in oklab, var(--mustard) 15%, transparent);
  border-color: var(--mustard);
  color: var(--mustard);
}

/* Underline efektini bu chip-link'lere uygulama */
.contact__chat-link::after { 
  display: none !important; 
}
.contact__label {
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--mustard-soft);
}
.contact__methods a,
.contact__methods .contact__value {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  color: var(--cream);
  letter-spacing: -0.005em;
}
.contact__methods a {
  position: relative;
  transition: color var(--dur) var(--ease);
}
.contact__methods a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: -4px;
  height: 1px;
  background: var(--mustard);
  transition: right var(--dur) var(--ease);
}
.contact__methods a:hover { color: var(--mustard-soft); }
.contact__methods a:hover::after { right: 0; }

/* =========================================================
   Footer
   ========================================================= */
.footer {
  background: var(--khaki-deep);
  color: color-mix(in oklab, var(--cream) 60%, transparent);
  padding: 28px 0;
  border-top: 1px solid color-mix(in oklab, var(--cream) 10%, transparent);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.footer p {
  margin: 0;
  font-size: 12px;
  letter-spacing: .08em;
}

/* =========================================================
   Reveal on scroll (gentle)
   ========================================================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 960px) {
  .about__inner { grid-template-columns: 1fr; }
  .about__photo { position: static; max-width: 420px; }

  .principles { grid-template-columns: 1fr; }
  .contact__methods li { grid-template-columns: 1fr; gap: 8px; padding: 20px 0; }
}

@media (max-width: 720px) {
  .nav__links {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 16px var(--gutter) 24px;
    background: var(--khaki-deep);
    border-bottom: 1px solid var(--rule);
    transform: translateY(-120%);
    transition: transform var(--dur) var(--ease);
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links a {
    width: 100%;
    padding: 14px 0;
    border-bottom: 1px solid var(--rule);
    font-size: 16px;
  }
  .nav__links a::after { display: none; }
  .nav__burger { display: inline-block; }
  .nav__name { display: none; }

  .hero__cta .btn { flex: 1 1 auto; }
  .stats { grid-template-columns: 1fr 1fr; gap: 24px 20px; }
  .service-group__title { flex-direction: column; align-items: flex-start; gap: 8px; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}