/* ================================================
   USUL MÜHENDİSLİK — Ana Stil Dosyası
   Tasarım: Modern Tarım-Mühendislik
   ================================================ */

/* ── TOKENS ─────────────────────────────────────── */
:root {
  --ink:        #0b1512;
  --ink-60:     rgba(11,21,18,.6);
  --ink-30:     rgba(11,21,18,.3);
  --white:      #ffffff;
  --cream:      #f5f2eb;
  --earth:      #3a5c35;       /* koyu toprak yeşili */
  --earth-mid:  #5a8f52;       /* orta yeşil */
  --earth-lt:   #a8c89e;       /* açık yeşil */
  --gold:       #c8a84b;       /* buğday altını */
  --gold-lt:    #e8d499;
  --stone:      #8c8275;       /* toprak gri */
  --stone-lt:   #e8e4dc;

  --nav-h:      110px;
  --radius:     12px;
  --radius-lg:  24px;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'Inter', sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── RESET ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; }

/* ── CONTAINER ───────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}
@media(max-width:768px){ .container{ padding: 0 20px; } }

/* ── BUTONLAR ────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .02em;
  transition: all .3s var(--ease-out);
  white-space: nowrap;
}
.btn--primary {
  background: var(--earth);
  color: var(--white);
  border: 2px solid var(--earth);
}
.btn--primary:hover {
  background: var(--earth-mid);
  border-color: var(--earth-mid);
  transform: translateY(-2px);
}
.btn--ghost {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.4);
}
.btn--ghost:hover {
  border-color: var(--white);
  background: rgba(255,255,255,.1);
}
.btn--outline-light {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.5);
}
.btn--outline-light:hover {
  background: var(--white);
  color: var(--earth);
}
.btn--lg { padding: 18px 36px; font-size: 16px; }

/* ── SECTION HEADER ──────────────────────────────── */
.section-header { margin-bottom: 60px; }
.section-eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--earth-mid);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--earth-mid);
}
.section-eyebrow--light { color: var(--earth-lt); }
.section-eyebrow--light::before { background: var(--earth-lt); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.03em;
}

/* ═══════════════════════════════════════════════════
   NAVİGASYON
═══════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background .4s, box-shadow .4s;
}
.nav.scrolled {
  background: rgba(11,21,18,.92);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,.08);
}
.nav__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0;
  color: var(--white);
  flex-shrink: 0;
  text-decoration: none;
}
.nav__logo-mark {
  width: 36px;
  height: 36px;
  color: var(--earth-lt);
}
.nav__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.nav__logo-main {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--white);
}
.nav__logo-sub {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--earth-lt);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.nav__link {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,.75);
  padding: 8px 14px;
  border-radius: 8px;
  transition: color .2s, background .2s;
}
.nav__link:hover, .nav__link.active {
  color: var(--white);
  background: rgba(255,255,255,.1);
}
.nav__cta {
  margin-left: 8px;
  padding: 10px 22px;
  background: var(--earth);
  color: var(--white);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  transition: background .25s, transform .25s;
  flex-shrink: 0;
}
.nav__cta:hover {
  background: var(--earth-mid);
  transform: translateY(-1px);
}
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  margin-left: auto;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all .3s;
}
.nav__mobile {
  display: none;
  flex-direction: column;
  padding: 20px 40px 30px;
  background: rgba(11,21,18,.97);
  backdrop-filter: blur(20px);
}
.nav__mobile.open { display: flex; }
.nav__mobile-link {
  color: rgba(255,255,255,.75);
  font-size: 16px;
  font-weight: 500;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: color .2s;
}
.nav__mobile-link:hover { color: var(--white); }
.nav__mobile-cta {
  margin-top: 20px;
  display: inline-block;
  background: var(--earth);
  color: var(--white);
  text-align: center;
  padding: 14px;
  border-radius: 10px;
  font-weight: 600;
}

@media(max-width:900px){
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .nav__inner { padding: 0 20px; }
}

/* ═══════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(11,21,18,.82) 0%,
    rgba(11,21,18,.55) 50%,
    rgba(58,92,53,.40) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 130px 40px 0;
  width: 100%;
}
.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--earth-lt);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp .8s .2s var(--ease-out) forwards;
}
.hero__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .6; transform: scale(1.3); }
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(54px, 8vw, 110px);
  font-weight: 800;
  line-height: .95;
  letter-spacing: -.02em;
  color: var(--white);
  margin-bottom: 28px;
}
.hero__title-line {
  display: block;
  opacity: 0;
  animation: fadeUp .8s var(--ease-out) forwards;
}
.hero__title-line:nth-child(1) { animation-delay: .3s; }
.hero__title-line:nth-child(2) { animation-delay: .45s; }
.hero__title-line:nth-child(3) { animation-delay: .6s; }
.hero__title-accent {
  color: transparent;
  -webkit-text-stroke: 2px var(--gold);
}
.hero__desc {
  color: rgba(255,255,255,.75);
  font-size: 18px;
  line-height: 1.7;
  max-width: 540px;
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp .8s .75s var(--ease-out) forwards;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp .8s .9s var(--ease-out) forwards;
}
.hero__scroll {
  position: absolute;
  bottom: 100px;
  right: 40px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.5);
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  opacity: 0;
  animation: fadeIn 1s 1.2s forwards;
}
.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(rgba(255,255,255,.5), transparent);
  animation: scrollLine 2s 1.5s infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
.hero__ticker {
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  z-index: 3;
  height: 52px;
  background: rgba(58,92,53,.85);
  backdrop-filter: blur(10px);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero__ticker-track {
  display: flex;
  align-items: center;
  gap: 32px;
  white-space: nowrap;
  animation: ticker 30s linear infinite;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.85);
}
.hero__ticker-track .sep { color: var(--gold); font-size: 18px; }
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ═══════════════════════════════════════════════════
   STATS
═══════════════════════════════════════════════════ */
.stats {
  background: var(--ink);
  padding: 0;
}
.stats__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr) repeat(3, auto);
  align-items: center;
}
@media(max-width:900px){
  .stats__inner {
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: rgba(255,255,255,.08);
  }
  .stats__divider { display: none; }
}
.stats__item {
  padding: 40px 20px;
  text-align: center;
  background: var(--ink);
}
.stats__num {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.04em;
  line-height: 1;
}
.stats__unit {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--gold);
}
.stats__label {
  margin-top: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.45);
  letter-spacing: .05em;
  text-transform: uppercase;
}
.stats__divider {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,.1);
}

/* ═══════════════════════════════════════════════════
   HİZMETLER
═══════════════════════════════════════════════════ */
.services {
  padding: 120px 0;
  background: var(--cream);
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  gap: 20px;
}
.service-card--large {
  grid-column: span 2;
  grid-row: span 1;
}
.service-card--wide {
  grid-column: span 2;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .4s var(--ease-out), box-shadow .4s;
  border: 1px solid var(--stone-lt);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(11,21,18,.1);
}
.service-card__img {
  overflow: hidden;
  flex-shrink: 0;
}
.service-card--large .service-card__img { height: 260px; }
.service-card:not(.service-card--large):not(.service-card--wide) .service-card__img { height: 180px; }
.service-card--wide .service-card__img { height: 220px; }
.service-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease-out);
}
.service-card:hover .service-card__img img { transform: scale(1.06); }
.service-card__body {
  padding: 28px 32px 32px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.service-card__num {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--earth-mid);
  margin-bottom: 12px;
}
.service-card__title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: 12px;
  color: var(--ink);
}
.service-card--large .service-card__title { font-size: 28px; }
.service-card__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-60);
  flex: 1;
}
.service-card__link {
  display: inline-flex;
  align-items: center;
  margin-top: 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--earth);
  transition: gap .2s;
  gap: 4px;
}
.service-card__link:hover { gap: 10px; }

@media(max-width:900px){
  .services__grid { grid-template-columns: 1fr; }
  .service-card--large, .service-card--wide { grid-column: span 1; }
  .service-card--large { grid-row: span 1; }
}

/* ═══════════════════════════════════════════════════
   NEDEN USUL
═══════════════════════════════════════════════════ */
.why {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
}
.why__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.why__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.why__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(11,21,18,.92) 0%,
    rgba(11,21,18,.8) 100%
  );
}
.why__content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.why__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 4vw, 60px);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 24px;
}
.why__title em {
  font-style: normal;
  color: var(--gold);
}
.why__desc {
  color: rgba(255,255,255,.65);
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: 36px;
}
.why__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.why__feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.why__feature-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: rgba(90,143,82,.2);
  border: 1px solid rgba(90,143,82,.4);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--earth-lt);
}
.why__feature-icon svg { width: 20px; height: 20px; }
.why__feature h4 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}
.why__feature p {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255,255,255,.5);
}

@media(max-width:900px){
  .why__content { grid-template-columns: 1fr; gap: 40px; }
  .why__features { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════
   SÜREÇ
═══════════════════════════════════════════════════ */
.process {
  padding: 120px 0;
  background: var(--white);
}
.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  position: relative;
}
.process__steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 60px;
  right: 60px;
  height: 1px;
  background: linear-gradient(90deg, var(--earth) 0%, var(--earth-lt) 100%);
  z-index: 0;
}
.process__step {
  position: relative;
  z-index: 1;
}
.process__step-num {
  width: 56px; height: 56px;
  background: var(--earth);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: .05em;
}
.process__step h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--ink);
}
.process__step p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-60);
}

@media(max-width:900px){
  .process__steps { grid-template-columns: 1fr 1fr; }
  .process__steps::before { display: none; }
}
@media(max-width:520px){
  .process__steps { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════
   GALERİ
═══════════════════════════════════════════════════ */
.gallery { padding: 0; overflow: hidden; }
.gallery__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 300px 300px;
  gap: 4px;
}
.gallery__item {
  overflow: hidden;
  position: relative;
}
.gallery__item--tall { grid-row: span 2; }
.gallery__item--wide { grid-column: span 2; }
.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease-out);
}
.gallery__item:hover img { transform: scale(1.05); }
.gallery__caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(11,21,18,.8));
  color: rgba(255,255,255,.85);
  font-size: 13px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

@media(max-width:768px){
  .gallery__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: repeat(3, 220px);
  }
  .gallery__item--tall { grid-row: span 1; }
  .gallery__item--wide { grid-column: span 2; }
}

/* ═══════════════════════════════════════════════════
   CTA BAND
═══════════════════════════════════════════════════ */
.cta-band {
  background: var(--earth);
  padding: 80px 0;
}
.cta-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-band__text h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.03em;
  margin-bottom: 8px;
}
.cta-band__text p {
  font-size: 16px;
  color: rgba(255,255,255,.65);
}
.cta-band__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.cta-band .btn--primary {
  background: var(--white);
  color: var(--earth);
  border-color: var(--white);
}
.cta-band .btn--primary:hover {
  background: var(--cream);
  border-color: var(--cream);
}
.cta-band .btn--ghost {
  color: rgba(255,255,255,.8);
  border-color: rgba(255,255,255,.4);
}

/* ═══════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════ */
.footer {
  background: var(--ink);
  padding-top: 80px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  margin-bottom: 20px;
}
.footer__logo .nav__logo-mark {
  width: 36px; height: 36px;
  color: var(--earth-lt);
}
.footer__tagline {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.45);
  margin-bottom: 28px;
}
.footer__socials {
  display: flex;
  gap: 12px;
}
.footer__socials a {
  width: 40px; height: 40px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.5);
  transition: all .2s;
}
.footer__socials a svg { width: 18px; height: 18px; }
.footer__socials a:hover {
  border-color: var(--earth-lt);
  color: var(--earth-lt);
  background: rgba(90,143,82,.1);
}
.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.footer__col h5 {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  margin-bottom: 20px;
}
.footer__col a, .footer__col p {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,.55);
  line-height: 1.7;
  margin-bottom: 10px;
  transition: color .2s;
}
.footer__col a:hover { color: var(--white); }
.footer__bottom {
  padding: 24px 0;
}
.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__bottom-inner span {
  font-size: 12px;
  color: rgba(255,255,255,.25);
  letter-spacing: .03em;
}

@media(max-width:900px){
  .footer__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__nav { grid-template-columns: 1fr 1fr; }
}
@media(max-width:520px){
  .footer__nav { grid-template-columns: 1fr; }
  .footer__bottom-inner { flex-direction: column; align-items: flex-start; }
}

/* ═══════════════════════════════════════════════════
   SCROLL REVEAL
═══════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════════
   REDUCED MOTION
═══════════════════════════════════════════════════ */
@media(prefers-reduced-motion: reduce){
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ── VIDEO FALLBACK ──────────────────────────────── */
.hero__video-fallback {
  position: absolute;
  inset: 0;
  background-image: url('https://images.pexels.com/photos/388415/pexels-photo-388415.jpeg?auto=compress&cs=tinysrgb&w=1920');
  background-size: cover;
  background-position: center;
  z-index: -1;
}
.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
/* Video yüklenene kadar fallback görünsün */
.hero__video:not([data-loaded]) ~ .hero__video-fallback {
  z-index: 1;
}

/* ── GERÇEK LOGO STİLLERİ ────────────────────────── */
.nav__logo {
  flex-shrink: 0;
}
.nav__logo-img {
  height: 92px;
  width: auto;
  max-width: 92px;
  object-fit: contain;
  display: block;
  
  transition: transform .4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow .3s;
  animation: logoFloat 4s ease-in-out infinite;
}
.nav__logo-img:hover {
  transform: scale(1.08);
  box-shadow:
    0 0 0 7px rgba(255,255,255,0.28),
    0 6px 28px rgba(0,0,0,0.6);
}
@keyframes logoFloat {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-5px); }
}
.footer__logo-img {
  height: 110px;
  width: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.3));
  margin-bottom: 20px;
  transition: transform .4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.footer__logo-img:hover {
  transform: scale(1.05);
}
.nav:not(.scrolled) .nav__logo-img {
  height: 92px;
}

/* ── YOUTUBE BACKGROUND VIDEO ────────────────────── */
.hero__video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100vw;
  height: 56.25vw; /* 16:9 oranı */
  min-height: 100vh;
  min-width: 177.77vh;
  transform: translate(-50%, -50%);
  border: none;
  pointer-events: none;
  z-index: 0;
}