:root {
  --ink: #071216;
  --panel: #102129;
  --turquoise: #08c7d3;
  --blue: #0b82c6;
  --yellow: #ffd43b;
  --white: #ffffff;
  --muted: #d5e0e5;
  --line: rgba(255, 255, 255, .18);
  --shadow: 0 18px 60px rgba(0, 0, 0, .25);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: #f5f8f9;
  line-height: 1.55;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 54px);
  color: var(--white);
  background: rgba(7, 18, 22, .88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--ink);
  font-weight: 900;
  background: var(--yellow);
  clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-left: auto;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.site-nav a:hover {
  color: var(--yellow);
}

.header-call {
  padding: 11px 16px;
  color: var(--ink);
  font-weight: 900;
  background: var(--turquoise);
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 10px;
  color: var(--white);
  background: transparent;
  border: 1px solid var(--line);
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

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

.hero-media {
  background-image: url("../images/beyaz-esya-servis-hero.jpg");
  background-position: center;
  background-size: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(7, 18, 22, .96) 0%, rgba(7, 18, 22, .86) 38%, rgba(7, 18, 22, .25) 72%),
    linear-gradient(0deg, rgba(7, 18, 22, .72), rgba(7, 18, 22, .05) 34%);
}

.hero-content {
  position: relative;
  width: min(760px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 92px);
  padding-top: 92px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--turquoise);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 18px;
  font-size: clamp(42px, 7vw, 86px);
  line-height: .98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.06;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.2;
}

.hero-copy {
  max-width: 620px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  font-weight: 900;
  border: 2px solid transparent;
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
}

.btn-primary {
  color: var(--ink);
  background: var(--yellow);
}

.btn-secondary {
  color: var(--white);
  border-color: var(--turquoise);
  background: rgba(8, 199, 211, .14);
}

.btn-dark {
  color: var(--white);
  background: var(--ink);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
}

.hero-points li {
  padding: 9px 12px;
  color: var(--white);
  font-size: 14px;
  font-weight: 800;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .08);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  color: var(--white);
  background: var(--ink);
}

.trust-strip div {
  padding: 26px clamp(18px, 4vw, 48px);
  background: var(--panel);
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip span {
  color: var(--muted);
}

.section,
.brand-band,
.contact-band {
  padding: clamp(64px, 8vw, 112px) clamp(18px, 5vw, 72px);
}

.section-head {
  max-width: 820px;
  margin-bottom: 34px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  overflow: hidden;
  min-height: 260px;
  padding: 0 24px 24px;
  background: var(--white);
  border: 1px solid #dce6ea;
  box-shadow: 0 10px 34px rgba(7, 18, 22, .08);
}

.service-card img {
  display: block;
  width: calc(100% + 48px);
  height: 170px;
  margin: 0 -24px 22px;
  object-fit: cover;
}

.service-icon {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 38px;
  margin-bottom: 18px;
  color: var(--ink);
  font-weight: 900;
  background: var(--turquoise);
  clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%);
}

.visual-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: var(--ink);
}

.visual-band img {
  width: 100%;
  height: clamp(220px, 28vw, 420px);
  object-fit: cover;
  filter: saturate(1.05) contrast(1.04);
}

.dark-section {
  color: var(--white);
  background: var(--ink);
}

.dark-section .section-head p {
  color: var(--muted);
}

.advantage-grid,
.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.advantage-grid div {
  padding: 22px;
  border: 1px solid var(--line);
  background: #102129;
}

.advantage-grid strong,
.advantage-grid span {
  display: block;
}

.advantage-grid strong {
  margin-bottom: 8px;
  color: var(--yellow);
  font-size: 20px;
}

.advantage-grid span {
  color: var(--muted);
}

.brand-band {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr);
  gap: 38px;
  align-items: center;
  color: var(--white);
  background: var(--ink);
}

.brand-band p {
  color: var(--muted);
}

.brand-side {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.brand-side img,
.contact-band img {
  display: block;
  width: 100%;
  max-width: 100%;
  object-fit: cover;
}

.brand-side img {
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
}

.brand-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.brand-list span {
  padding: 18px 16px;
  font-size: 20px;
  font-weight: 900;
  border-left: 5px solid var(--yellow);
  background: #142a33;
}

.problem-section {
  background: #edf4f6;
}

.problem-grid article {
  padding: 24px;
  background: var(--white);
  border-top: 5px solid var(--turquoise);
  box-shadow: 0 10px 34px rgba(7, 18, 22, .08);
}

.problem-grid ul {
  padding-left: 18px;
  margin: 0;
}

.problem-grid li + li {
  margin-top: 8px;
}

.process-band {
  display: grid;
  grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr);
  gap: 34px;
  align-items: center;
  padding: clamp(54px, 7vw, 92px) clamp(18px, 5vw, 72px);
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(7, 18, 22, .92), rgba(7, 18, 22, .72)),
    url("../images/hizli-servis-iletisim.jpg") center / cover;
}

.process-copy p {
  color: var(--muted);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.process-steps div {
  min-height: 150px;
  padding: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .09);
}

.process-steps b {
  display: grid;
  place-items: center;
  width: 42px;
  height: 34px;
  margin-bottom: 22px;
  color: var(--ink);
  background: var(--yellow);
  clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%);
}

.process-steps span {
  display: block;
  font-weight: 800;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 42px;
  align-items: start;
}

.info-panel {
  padding: 26px;
  color: var(--white);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.info-panel dl,
.info-panel dd {
  margin: 0;
}

.area-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.area-tags span {
  padding: 9px 12px;
  font-weight: 800;
  background: #dff6f8;
  border-left: 4px solid var(--blue);
}

.faq-section {
  background: #f8fbfc;
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 940px;
}

.faq-list details {
  padding: 20px 22px;
  background: var(--white);
  border: 1px solid #dce6ea;
  box-shadow: 0 10px 28px rgba(7, 18, 22, .06);
}

.faq-list summary {
  cursor: pointer;
  font-size: 20px;
  font-weight: 900;
}

.faq-list p {
  margin: 12px 0 0;
}

.info-panel div {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.info-panel div:first-child {
  padding-top: 0;
}

.info-panel div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.info-panel dt {
  color: var(--turquoise);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.info-panel dd {
  font-size: 20px;
  font-weight: 900;
}

.contact-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  background: var(--turquoise);
}

.contact-band .eyebrow {
  color: var(--ink);
}

.contact-band p {
  max-width: 660px;
}

.contact-band img {
  flex: 0 1 340px;
  width: min(340px, 100%);
  aspect-ratio: 4 / 3;
}

.map-section {
  padding: clamp(54px, 7vw, 92px) clamp(18px, 5vw, 72px);
  background: var(--white);
}

.map-section iframe {
  display: block;
  width: 100%;
  height: clamp(320px, 46vw, 520px);
  border: 0;
  box-shadow: var(--shadow);
}

.site-footer {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 24px clamp(18px, 5vw, 72px);
  color: var(--muted);
  background: var(--ink);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--yellow);
  font-weight: 900;
}

.floating-actions {
  position: fixed;
  right: 18px;
  top: 50%;
  z-index: 60;
  display: grid;
  gap: 10px;
  transform: translateY(-50%);
}

.floating-actions a {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  color: var(--ink);
  background: var(--yellow);
  box-shadow: var(--shadow);
  clip-path: polygon(13% 0, 100% 0, 87% 100%, 0 100%);
}

.floating-actions .whatsapp {
  color: var(--white);
  background: #16b35f;
}

.floating-actions .facebook {
  color: var(--white);
  background: #1877f2;
}

.floating-actions .instagram {
  color: var(--white);
  background: #d62976;
}

.floating-actions svg {
  width: 27px;
  height: 27px;
  fill: currentColor;
}

@media (max-width: 980px) {
  .site-header {
    gap: 12px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 10px 18px 20px;
    background: rgba(7, 18, 22, .98);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .header-call {
    display: none;
  }

  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .advantage-grid,
  .problem-grid,
  .process-steps,
  .visual-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .brand-band,
  .split,
  .process-band {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .hero {
    min-height: 92vh;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(7, 18, 22, .95), rgba(7, 18, 22, .7)),
      linear-gradient(0deg, rgba(7, 18, 22, .86), rgba(7, 18, 22, .2));
  }

  .hero-content {
    width: calc(100% - 36px);
    margin: 0 auto;
  }

  .trust-strip,
  .service-grid,
  .brand-list,
  .visual-band,
  .advantage-grid,
  .problem-grid,
  .process-steps {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 220px;
  }

  .site-footer {
    display: block;
  }

  .contact-band {
    display: block;
  }

  .contact-band img {
    margin: 22px 0;
  }

  .contact-actions {
    margin-top: 22px;
  }

  .floating-actions {
    top: auto;
    right: 14px;
    bottom: 16px;
    transform: none;
  }
}