/* ============================================================
   MFB Gümrük Müşavirliği — stil dosyası
   Renk sistemi logodan türetilmiştir (antrasit + yeşil).
   ============================================================ */

:root {
  --charcoal: #3F444B;
  --charcoal-deep: #24272B;
  --lime: #8DC63F;
  --lime-deep: #6FA82E;
  --paper: #F6F7F4;
  --paper-dim: #ECEEE8;
  --line: #D9DCD3;
  --ink: #24272B;
  --ink-soft: #63686F;
  --white: #FFFFFF;

  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Source Sans 3', 'Segoe UI', sans-serif;

  --container: 1180px;
  --radius: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 17px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--charcoal);
  margin: 0 0 0.4em;
  line-height: 1.12;
  font-weight: 700;
}

p { margin: 0 0 1em; color: var(--ink-soft); max-width: 62ch; }

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

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

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.3px;
  padding: 14px 28px;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
  background: var(--charcoal);
  color: var(--white);
}
.btn-primary:hover { background: var(--charcoal-deep); }
.btn-outline {
  background: transparent;
  border-color: var(--charcoal);
  color: var(--charcoal);
}
.btn-outline:hover { background: var(--charcoal); color: var(--white); }
.btn-lime {
  background: var(--lime);
  color: var(--charcoal-deep);
}
.btn-lime:hover { background: var(--lime-deep); color: var(--white); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(246, 247, 244, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.brand { display: flex; align-items: center; height: 100%; }
.brand svg { height: 40px; width: auto; }

.main-nav ul {
  display: flex;
  gap: 34px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.main-nav a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 15.5px;
  color: var(--charcoal);
  position: relative;
  padding: 6px 0;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.main-nav a:hover::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 18px; }
.header-phone {
  display: flex;
  flex-direction: column;
  font-family: var(--font-display);
  text-align: right;
}
.header-phone small { color: var(--ink-soft); font-size: 12px; letter-spacing: 0.3px; }
.header-phone strong { color: var(--charcoal); font-size: 16px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--charcoal);
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 70px;
  background: var(--paper);
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}
.hero-copy h1 {
  font-size: clamp(36px, 4.6vw, 58px);
  letter-spacing: -0.5px;
  max-width: 14ch;
}
.hero-role {
  font-family: var(--font-display);
  color: var(--lime-deep);
  font-weight: 600;
  font-size: 17px;
  margin-bottom: 14px;
}
.hero-copy p.lede {
  font-size: 19px;
  max-width: 46ch;
  color: var(--ink);
}
.hero-cta { display: flex; gap: 16px; margin-top: 28px; flex-wrap: wrap; }

.hero-figure { position: relative; }
.hero-figure svg { width: 100%; height: auto; }

.hero-figure .route-line {
  fill: none;
  stroke: var(--lime);
  stroke-width: 3;
  stroke-dasharray: 6 8;
}
.hero-figure .route-node { fill: var(--charcoal); }
.hero-figure .route-node.accent { fill: var(--lime); }

/* trust strip */
.trust-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}
.trust-strip .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.trust-item {
  padding: 26px 20px;
  text-align: center;
  border-left: 1px solid var(--line);
}
.trust-item:first-child { border-left: none; }
.trust-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 30px;
  color: var(--charcoal);
}
.trust-item span {
  font-size: 13.5px;
  color: var(--ink-soft);
  letter-spacing: 0.2px;
}

/* ---------- Section shell ---------- */
section { padding: 92px 0; }
.section-head {
  max-width: 640px;
  margin-bottom: 52px;
}
.section-head h2 { font-size: clamp(28px, 3.2vw, 38px); }
.section-tag {
  color: var(--lime-deep);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 8px;
}

/* ---------- Services (asymmetric grid) ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 22px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.service-card:hover { border-color: var(--lime); transform: translateY(-3px); }
.service-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}
.service-card p { margin: 0; font-size: 15.5px; }
.service-card .num {
  font-family: var(--font-display);
  color: var(--line);
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 14px;
  display: block;
}

.service-card.span-3 { grid-column: span 3; }
.service-card.span-2 { grid-column: span 2; }
.service-card.span-4 { grid-column: span 4; }
.service-card.featured {
  background: var(--charcoal);
  border-color: var(--charcoal);
}
.service-card.featured h3, .service-card.featured p { color: var(--white); }
.service-card.featured p { color: #C7CBD1; }

/* ---------- Process (genuine sequence) ---------- */
.process { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  counter-reset: step;
  position: relative;
}
.process-step {
  position: relative;
  padding: 0 24px 0 0;
  border-left: 2px solid var(--line);
  padding-left: 24px;
}
.process-step:first-child { border-left: none; padding-left: 0; }
.process-step .step-num {
  font-family: var(--font-display);
  font-size: 44px;
  color: var(--lime);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 14px;
}
.process-step h3 { font-size: 18.5px; margin-bottom: 8px; }
.process-step p { font-size: 15px; }

/* ---------- About (split) ---------- */
.about .wrap {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: center;
}
.about-portrait {
  background: var(--charcoal-deep);
  border-radius: var(--radius);
  aspect-ratio: 4 / 3;
  max-height: 400px;
  width: 100%;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 26px;
}
.about-portrait .about-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
}
.about-portrait::after {
  /* okunabilirlik için alttan koyulaşan örtü */
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(36,39,43,0.88) 0%, rgba(36,39,43,0.25) 42%, transparent 64%);
}
.about-portrait .badge {
  position: relative;
  z-index: 2;
  color: var(--white);
  border-top: 2px solid var(--lime);
  padding-top: 14px;
}
.about-portrait .badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: 22px;
}
.about-portrait .badge span {
  color: #C7CBD1;
  font-size: 14.5px;
}

@media (max-width: 760px) {
  .about-portrait {
    aspect-ratio: 4 / 3;
    max-height: 300px;
  }
}
.about-body .creds {
  list-style: none;
  padding: 0;
  margin: 26px 0 0;
  display: grid;
  gap: 12px;
}
.about-body .creds li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 15.5px;
  color: var(--ink);
}
.about-body .creds li::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--lime);
  flex: none;
  transform: translateY(-2px);
}

/* ---------- Şubeler ---------- */
.branches-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.branch-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.branch-card .branch-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12.5px;
  letter-spacing: 0.3px;
  color: var(--lime-deep);
  background: rgba(141,198,63,0.12);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 14px;
}
.branch-card h3 { font-size: 21px; margin-bottom: 8px; }
.branch-card p { font-size: 15px; margin-bottom: 0; }
.branch-card .branch-contact {
  font-size: 14px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.branch-card .branch-contact a { color: var(--charcoal); font-weight: 600; }
.branch-card .branch-contact a:hover { color: var(--lime-deep); }

/* ---------- Why us ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.why-item h3 {
  font-size: 19px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.why-item p { font-size: 15.5px; }

/* ---------- Contact ---------- */
.contact { background: var(--charcoal-deep); }
.contact h2, .contact .section-tag { color: var(--white); }
.contact .section-tag { color: var(--lime); }
.contact .wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.contact-info p { color: #B9BEC4; }
.contact-list { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 18px; }
.contact-list li { display: flex; gap: 14px; color: var(--white); font-size: 15.5px; }
.contact-list li strong { display: block; font-family: var(--font-display); font-size: 13px; color: var(--lime); letter-spacing: 0.3px; margin-bottom: 3px; }
.contact-list li span, .contact-list li a { color: #E3E5E1; }
.contact-list li a:hover { color: var(--lime); }

.contact-form { background: var(--white); border-radius: var(--radius); padding: 34px; }
.contact-form h3 { font-size: 19px; margin-bottom: 4px; }
.contact-form .form-sub { font-size: 14.5px; color: var(--ink-soft); margin-bottom: 20px; }
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--charcoal);
  margin-bottom: 6px;
  letter-spacing: 0.2px;
}
.field input, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  background: var(--paper);
  color: var(--ink);
}
.field input:focus, .field textarea:focus {
  outline: 2px solid var(--lime);
  outline-offset: 1px;
  border-color: var(--lime);
}
.field textarea { min-height: 110px; resize: vertical; }
.form-note { font-size: 13px; color: var(--ink-soft); margin-top: 10px; }
.form-success {
  background: #EAF6DB;
  border: 1px solid var(--lime);
  color: var(--charcoal-deep);
  padding: 14px 16px;
  border-radius: 6px;
  font-size: 14.5px;
  margin-bottom: 18px;
}
.form-error {
  background: #FBEAEA;
  border: 1px solid #D97575;
  color: #7A2020;
  padding: 14px 16px;
  border-radius: 6px;
  font-size: 14.5px;
  margin-bottom: 18px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--charcoal-deep);
  border-top: 1px solid #383D43;
  padding: 34px 0;
}
.site-footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}
.site-footer p { margin: 0; color: #9AA0A6; font-size: 13.5px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand svg { height: 26px; }
.footer-links { display: flex; gap: 20px; list-style: none; padding: 0; margin: 0; }
.footer-links a { color: #C7CBD1; font-size: 13.5px; }
.footer-links a:hover { color: var(--lime); }

/* ---------- Skip link (a11y) ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--charcoal);
  color: var(--white);
  padding: 12px 18px;
  z-index: 100;
  border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; top: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-figure { order: -1; max-width: 420px; }
  .about .wrap { grid-template-columns: 1fr; }
  .contact .wrap { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .branches-grid { grid-template-columns: 1fr 1fr; }
  .process-list { grid-template-columns: 1fr 1fr; gap: 30px; }
  .process-step { border-left: none; padding-left: 0; padding-top: 20px; border-top: 2px solid var(--line); }
  .process-step:first-child { border-top: none; padding-top: 0; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card.span-2, .service-card.span-3, .service-card.span-4 { grid-column: span 2; }
  .trust-strip .wrap { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(3) { border-left: none; }
}

@media (max-width: 760px) {
  .main-nav, .header-phone { display: none; }
  .nav-toggle { display: block; }
  body.nav-open .main-nav {
    display: block;
    position: absolute;
    top: 84px; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    padding: 10px 0;
  }
  body.nav-open .main-nav ul { flex-direction: column; gap: 0; }
  body.nav-open .main-nav a { display: block; padding: 14px 28px; }
  .why-grid { grid-template-columns: 1fr; }
  .branches-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card.span-2, .service-card.span-3, .service-card.span-4 { grid-column: span 1; }
  .process-list { grid-template-columns: 1fr; }
  .process-step { padding-top: 24px; }
}