:root {
  --blue: #126995;
  --blue-dark: #0d4d6e;
  --graphite: #3f4447;
  --ink: #182126;
  --muted: #68757c;
  --line: #d9e1e4;
  --mist: #f5f8f8;
  --white: #ffffff;
  --green: #175846;
  --coffee: #8a5d30;
  --gold: #c7902d;
  --shadow: 0 24px 70px rgba(15, 33, 41, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  background: var(--white);
  line-height: 1.6;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
  padding: 14px clamp(20px, 5vw, 72px);
  color: var(--white);
  transition: background 220ms ease, box-shadow 220ms ease, color 220ms ease;
}

.site-header.is-scrolled,
.site-header.menu-open {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 36px rgba(16, 39, 50, 0.11);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 196px;
  min-width: 156px;
  padding: 6px 0;
}

.site-header:not(.is-scrolled):not(.menu-open) .brand img {
  filter: brightness(0) invert(1) drop-shadow(0 8px 24px rgba(0, 0, 0, 0.24));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 30px);
  font-size: 0.92rem;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  content: "";
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.46);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: inherit;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

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

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(11, 29, 34, 0.86) 0%, rgba(11, 29, 34, 0.52) 48%, rgba(11, 29, 34, 0.15) 100%),
    linear-gradient(0deg, rgba(11, 29, 34, 0.65) 0%, rgba(11, 29, 34, 0.05) 52%);
}

.hero-content {
  width: min(760px, calc(100% - 40px));
  margin: 0 0 150px clamp(20px, 6vw, 90px);
  padding-top: 120px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #9fd9ef;
}

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

h1 {
  margin-bottom: 18px;
  max-width: 980px;
  font-size: clamp(3rem, 7vw, 6.6rem);
  line-height: 0.94;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.24rem;
  line-height: 1.25;
}

.hero-content p:not(.eyebrow) {
  max-width: 650px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.04rem, 1.8vw, 1.34rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid rgba(255, 255, 255, 0.64);
  border-radius: 8px;
  font-weight: 800;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button.primary {
  border-color: var(--blue);
  background: var(--blue);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.hero-facts {
  position: absolute;
  left: clamp(20px, 6vw, 90px);
  right: clamp(20px, 6vw, 90px);
  bottom: 28px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
}

.hero-facts div {
  min-height: 86px;
  padding: 18px 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-facts div:last-child {
  border-right: 0;
}

.hero-facts strong {
  display: block;
  font-size: clamp(1.02rem, 1.55vw, 1.42rem);
  line-height: 1;
}

.hero-facts span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.88rem;
}

section {
  padding: clamp(68px, 10vw, 132px) clamp(20px, 5vw, 72px);
}

.section-heading {
  width: min(980px, 100%);
  margin-bottom: 34px;
}

.section-heading.compact {
  width: min(760px, 100%);
}

.intro {
  background: var(--white);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.7fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: start;
}

.intro-copy {
  color: var(--graphite);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
}

.intro-copy p {
  margin-bottom: 18px;
}

.legal-name {
  display: grid;
  gap: 7px;
  margin: 22px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--blue);
  background: var(--mist);
}

.legal-name span {
  color: var(--graphite);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.legal-name strong {
  color: var(--ink);
  font-size: clamp(0.98rem, 1.4vw, 1.1rem);
  line-height: 1.45;
}

.quote-panel {
  border-left: 5px solid var(--blue);
  padding: 28px 32px;
  background: var(--mist);
  box-shadow: var(--shadow);
}

.quote-panel p {
  margin: 0;
  color: var(--ink);
  font-size: 1.24rem;
  font-weight: 800;
  line-height: 1.38;
}

.activities {
  background: var(--mist);
}

.activity-grid,
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.activity-card,
.values-grid article {
  min-height: 260px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.activity-number {
  display: block;
  margin-bottom: 42px;
  color: var(--blue);
  font-size: 0.92rem;
  font-weight: 900;
}

.activity-card p,
.values-grid p,
.brand-content p,
.mission p,
.contact-copy p {
  color: var(--muted);
}

.showcase {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: center;
  background: #eef4f3;
}

.showcase-text {
  max-width: 560px;
}

.image-mosaic {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  grid-template-rows: 1fr 1fr;
  gap: 16px;
}

.image-mosaic figure {
  position: relative;
  min-height: 220px;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: var(--ink);
}

.image-mosaic .mosaic-large {
  grid-row: 1 / span 2;
  min-height: 460px;
}

.image-mosaic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-mosaic figcaption {
  position: absolute;
  left: 16px;
  bottom: 16px;
  max-width: calc(100% - 32px);
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--white);
  background: rgba(10, 25, 30, 0.72);
  font-size: 0.86rem;
  font-weight: 800;
}

.process-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.process-board article {
  min-height: 210px;
  padding: clamp(24px, 4vw, 34px);
  border: 1px solid rgba(18, 105, 149, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.72)),
    #ffffff;
  box-shadow: 0 18px 54px rgba(26, 45, 54, 0.08);
}

.process-board span {
  display: block;
  margin-bottom: 30px;
  color: var(--blue);
  font-size: 0.86rem;
  font-weight: 900;
}

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

.brands {
  background: var(--white);
}

.brand-logo-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.brand-logo-card {
  display: grid;
  grid-template-rows: 150px 48px auto;
  align-content: start;
  justify-items: center;
  min-height: 390px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f4f8f8;
  box-shadow: 0 18px 54px rgba(26, 45, 54, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.brand-logo-card:hover,
.brand-logo-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 24px 70px rgba(26, 45, 54, 0.13);
}

.brand-logo-card img {
  align-self: center;
  width: min(100%, 270px);
  max-height: 128px;
  object-fit: contain;
}

.brand-logo-card span {
  align-self: start;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
  line-height: 1.28;
  text-transform: uppercase;
  text-align: center;
}

.brand-logo-card p {
  max-width: 330px;
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
  text-align: center;
}

.brand-logo-card.dark {
  background:
    linear-gradient(135deg, rgba(18, 105, 149, 0.16), rgba(23, 88, 70, 0.12)),
    #19262b;
}

.brand-logo-card.dark span {
  color: rgba(255, 255, 255, 0.7);
}

.brand-logo-card.warm {
  background: #f4f0ea;
}

.brand-list {
  display: grid;
  gap: 22px;
}

.brand-card {
  display: grid;
  grid-template-columns: minmax(280px, 0.84fr) minmax(0, 1.16fr);
  min-height: 360px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 54px rgba(26, 45, 54, 0.08);
}

.brand-card:nth-child(even) {
  grid-template-columns: minmax(0, 1.16fr) minmax(280px, 0.84fr);
}

.brand-card:nth-child(even) .brand-visual {
  order: 2;
}

.brand-visual {
  display: grid;
  place-items: center;
  min-height: 320px;
  padding: 26px;
  background: #edf4f5;
}

.brand-visual img {
  width: 100%;
  height: 100%;
  max-height: 310px;
  object-fit: contain;
}

.brand-visual.photo {
  padding: 0;
}

.brand-visual.photo img {
  max-height: none;
  object-fit: cover;
}

.haldia .brand-visual {
  background: #eef5f1;
}

.enkahveler .brand-visual {
  background: #e7f0ed;
}

.academy .brand-visual {
  background: #f3eee7;
}

.brand-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(30px, 5vw, 66px);
}

.brand-content span {
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.brand-content a {
  width: fit-content;
  margin-top: 12px;
  color: var(--blue-dark);
  font-weight: 900;
}

.mission {
  padding-top: clamp(48px, 7vw, 92px);
  padding-bottom: clamp(48px, 7vw, 92px);
  background: var(--ink);
}

.mission-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.mission-panel > div {
  padding: clamp(32px, 5vw, 70px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(18, 105, 149, 0.2), rgba(23, 88, 70, 0.12)),
    #1e2a30;
}

.mission-panel h2 {
  font-size: clamp(1.55rem, 2.7vw, 2.7rem);
}

.mission-panel .eyebrow {
  color: #94d4ee;
}

.mission-panel p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.76);
}

.values {
  background: var(--white);
}

.values-grid article {
  min-height: 220px;
}

.values-grid h3 {
  color: var(--green);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr);
  gap: clamp(26px, 5vw, 80px);
  align-items: start;
  background: #f4f8f8;
}

.contact-copy {
  max-width: 680px;
}

.contact-site {
  margin-top: 26px;
}

.contact-site a,
.contact-details a {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 12px 16px;
  border-radius: 8px;
  color: var(--white);
  background: var(--blue);
  font-weight: 900;
}

.contact-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, max-content));
  gap: 10px;
  margin-top: 26px;
}

.contact-details a {
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(26, 45, 54, 0.06);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 900;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(18, 105, 149, 0.14);
}

.contact-form textarea {
  min-height: 138px;
  resize: vertical;
}

.form-trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-submit {
  width: fit-content;
  min-width: 132px;
  color: var(--white);
  cursor: pointer;
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: var(--green);
  font-size: 0.92rem;
  font-weight: 900;
}

.form-status.is-error {
  color: #b3261e;
}

.contact-panel {
  display: grid;
  gap: 10px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.contact-panel a {
  display: block;
  padding: 14px 16px;
  border-radius: 8px;
  color: var(--ink);
  background: var(--mist);
  font-weight: 800;
  word-break: break-word;
}

.contact-panel a:first-child {
  color: var(--white);
  background: var(--blue);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--white);
}

.site-footer img {
  width: 160px;
}

.site-footer p {
  margin: 0;
}

.footer-copy {
  display: grid;
  gap: 6px;
  text-align: right;
}

.footer-copy span {
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 900;
}

@media (max-width: 1060px) {
  .activity-grid,
  .values-grid,
  .brand-logo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .showcase,
  .contact {
    grid-template-columns: 1fr;
  }

  .showcase-text {
    max-width: 760px;
  }
}

@media (max-width: 860px) {
  .site-header {
    min-height: 70px;
  }

  .brand {
    width: 158px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 70px;
    left: 14px;
    right: 14px;
    display: grid;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 14px 12px;
    border-bottom: 1px solid var(--line);
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .hero {
    min-height: 92vh;
  }

  .hero-content {
    width: calc(100vw - 40px);
    max-width: calc(100vw - 40px);
    margin: 0 20px 250px;
  }

  h1 {
    font-size: clamp(3.4rem, 18vw, 5.4rem);
  }

  .hero-facts {
    left: 20px;
    right: 20px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-facts div:nth-child(2) {
    border-right: 0;
  }

  .hero-facts div:nth-child(1),
  .hero-facts div:nth-child(2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }

  .intro-grid,
  .brand-card,
  .brand-card:nth-child(even),
  .mission-panel {
    grid-template-columns: 1fr;
  }

  .brand-card:nth-child(even) .brand-visual {
    order: 0;
  }
}

@media (max-width: 620px) {
  section {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-content {
    margin-bottom: 292px;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .hero-facts div {
    min-height: 78px;
    padding: 14px;
  }

  .activity-grid,
  .values-grid,
  .brand-logo-grid,
  .image-mosaic,
  .process-board,
  .contact-details,
  .form-row {
    grid-template-columns: 1fr;
  }

  .brand-logo-card {
    grid-template-rows: auto auto auto;
    min-height: 230px;
  }

  .image-mosaic .mosaic-large {
    grid-row: auto;
    min-height: 260px;
  }

  .image-mosaic figure {
    min-height: 230px;
  }

  .activity-card,
  .values-grid article {
    min-height: auto;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-copy {
    text-align: left;
  }
}