:root {
  --font-family: "Inter", sans-serif;

  --primary-50: #f7f3ec;
  --primary-100: #efe5d7;
  --primary-200: #d8c2a4;
  --primary-300: #b99468;
  --primary-400: #9b764c;
  --primary-500: #7b5b37;
  --primary-600: #60452a;
  --primary-700: #45311f;
  --primary-800: #2f2318;
  --primary-900: #17120d;

  --secondary-50: #f4f8f6;
  --secondary-100: #e7efeb;
  --secondary-200: #c9dbd2;
  --secondary-300: #99b8a8;
  --secondary-400: #6f9882;
  --secondary-500: #547963;
  --secondary-600: #405f4c;
  --secondary-700: #31483a;
  --secondary-800: #23342a;
  --secondary-900: #121d17;

  --surface-0: #ffffff;
  --surface-50: #f7f7f5;
  --surface-100: #efeee9;
  --surface-200: #dedbd2;
  --surface-300: #c5bfb2;
  --surface-800: #1f211d;
  --surface-900: #11130f;

  --text: #171717;
  --text-muted: #6b6b63;
  --border: rgba(23, 23, 23, .1);
  --shadow-sm: 0 14px 34px rgba(17, 19, 15, .08);
  --shadow-md: 0 24px 80px rgba(17, 19, 15, .12);
  --radius: 22px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  color: var(--text);
  background: var(--surface-50);
  line-height: 1.5;
}

body.is-menu-open {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  background: var(--surface-900);
  color: rgba(255, 255, 255, .82);
  font-size: 13px;
}

.topbar__inner {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar__links {
  display: flex;
  align-items: center;
  gap: 18px;
  white-space: nowrap;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 247, 245, .88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .2s ease, background .2s ease;
}

.header.is-scrolled {
  background: rgba(247, 247, 245, .96);
  box-shadow: 0 10px 30px rgba(17, 19, 15, .08);
}

.header__inner {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -.04em;
  font-size: 22px;
}

.logo__img {
  display: block;
  height: 68px;
  width: auto;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
  font-weight: 650;
  color: rgba(23, 23, 23, .72);
}

.nav a {
  transition: color .2s ease;
}

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

.header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 750;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}

.btn--primary {
  background: var(--surface-900);
  color: #fff;
  box-shadow: 0 14px 30px rgba(17, 19, 15, .16);
}

.btn--primary:hover {
  transform: translateY(-1px);
}

.btn--soft {
  background: var(--surface-0);
  color: var(--text);
  border-color: var(--border);
}

.btn--soft:hover {
  border-color: rgba(23, 23, 23, .18);
  box-shadow: var(--shadow-sm);
}

.btn--ghost {
  color: #fff;
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .22);
  backdrop-filter: blur(14px);
}

.menu-btn {
  display: none;
  width: 44px;
  padding: 0;
  background: var(--surface-0);
  border-color: var(--border);
}

.menu-btn span {
  width: 17px;
  height: 2px;
  display: block;
  background: var(--text);
  border-radius: 99px;
}

.menu-btn span + span {
  margin-top: 4px;
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--border);
  background: rgba(247, 247, 245, .98);
}

.mobile-menu__inner {
  display: grid;
  gap: 8px;
  padding: 14px 0 18px;
}

.mobile-menu a {
  padding: 14px 12px;
  border-radius: 14px;
  color: rgba(23, 23, 23, .82);
  font-weight: 750;
}

.mobile-menu a:hover {
  background: var(--surface-0);
}

.mobile-menu.is-open {
  display: block;
}

.hero {
  position: relative;
  min-height: 680px;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
  background: url("../images/hero-bg.jpg") center 22% / cover no-repeat;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17, 19, 15, .12) 0%, rgba(17, 19, 15, .38) 45%, rgba(17, 19, 15, .82) 100%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  padding: 120px 0 70px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 999px;
  background: rgba(255, 255, 255, .1);
  backdrop-filter: blur(12px);
  color: rgba(255, 255, 255, .86);
  font-size: 13px;
  font-weight: 750;
}

.hero h1 {
  max-width: 880px;
  margin: 0;
  font-size: clamp(42px, 7vw, 86px);
  line-height: .96;
  letter-spacing: -.075em;
}

.hero p {
  max-width: 650px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, .78);
  font-size: clamp(16px, 2vw, 20px);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 58px;
}

.stat-card {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .1);
  backdrop-filter: blur(14px);
}

.stat-card strong {
  display: block;
  font-size: 32px;
  letter-spacing: -.04em;
}

.stat-card span {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, .72);
  font-size: 13px;
  font-weight: 650;
}

.section {
  padding: 96px 0;
}

.section--soft {
  background: var(--surface-100);
}

.section--cta {
  padding: 28px 0 96px;
}

.section__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 34px;
}

.section__kicker {
  margin-bottom: 10px;
  color: var(--primary-500);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.section h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.02;
  letter-spacing: -.055em;
}

.section__desc {
  max-width: 560px;
  margin: 14px 0 0;
  color: var(--text-muted);
  font-size: 16px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.project-card {
  position: relative;
  min-height: 440px;
  overflow: hidden;
  border-radius: calc(var(--radius) + 6px);
  background: var(--surface-200);
  box-shadow: var(--shadow-md);
}

.project-card img {
  width: 100%;
  height: 100%;
  min-height: 440px;
  object-fit: cover;
  transition: transform .45s ease;
}

.project-card:hover img {
  transform: scale(1.045);
}

.project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17, 19, 15, .04), rgba(17, 19, 15, .78));
}

.project-card__content {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  z-index: 2;
  color: #fff;
}

.project-card__tag {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  background: rgba(255, 255, 255, .14);
  backdrop-filter: blur(10px);
  color: rgba(255, 255, 255, .84);
  font-size: 12px;
  font-weight: 800;
}

.project-card h3 {
  margin: 0;
  font-size: 27px;
  letter-spacing: -.04em;
}

.project-card p {
  margin: 8px 0 18px;
  color: rgba(255, 255, 255, .74);
  font-size: 14px;
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
}

.about {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 44px;
  align-items: center;
}

.about__media {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  border-radius: calc(var(--radius) + 8px);
  background: var(--surface-200);
  box-shadow: var(--shadow-md);
}

.about__media img {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: cover;
}

.about__badge {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, .6);
  border-radius: 20px;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(16px);
}

.about__badge strong {
  display: block;
  font-size: 30px;
  letter-spacing: -.05em;
}

.about__badge span {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 650;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.feature-item {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface-0);
  color: rgba(23, 23, 23, .82);
  font-weight: 750;
}

.principles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.principle-card {
  min-height: 230px;
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-0);
  box-shadow: var(--shadow-sm);
}

.principle-card__icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 16px;
  background: var(--primary-50);
  color: var(--primary-600);
  font-size: 22px;
}

.principle-card h3 {
  margin: 0 0 10px;
  font-size: 19px;
  letter-spacing: -.035em;
}

.principle-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
}

.sales-band {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 28px;
  align-items: center;
  overflow: hidden;
  padding: 46px;
  border-radius: calc(var(--radius) + 8px);
  background: var(--surface-900);
  color: #fff;
}

.sales-band::after {
  content: "";
  position: absolute;
  top: -150px;
  right: -120px;
  width: 360px;
  height: 360px;
  border-radius: 999px;
  background: rgba(185, 148, 104, .28);
  filter: blur(10px);
}

.sales-band > * {
  position: relative;
  z-index: 2;
}

.sales-band p {
  color: rgba(255, 255, 255, .72);
}

.sales-band__actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.news-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-0);
  box-shadow: var(--shadow-sm);
}

.news-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.news-card__body {
  padding: 22px;
}

.news-card time {
  display: block;
  margin-bottom: 9px;
  color: var(--primary-500);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.news-card h3 {
  margin: 0 0 10px;
  font-size: 21px;
  letter-spacing: -.04em;
}

.news-card p {
  margin: 0 0 18px;
  color: var(--text-muted);
  font-size: 14px;
}

.read-more {
  color: var(--primary-600);
  font-size: 13px;
  font-weight: 800;
}

.contact {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 20px;
  align-items: stretch;
}

.contact-card,
.contact-form {
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  background: var(--surface-0);
  box-shadow: var(--shadow-sm);
}

.contact-list {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.contact-row {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface-50);
}

.contact-row span {
  display: block;
  margin-bottom: 5px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 700;
}

.contact-row strong {
  font-size: 16px;
}

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

.field {
  display: grid;
  gap: 7px;
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  color: rgba(23, 23, 23, .76);
  font-size: 13px;
  font-weight: 750;
}

.field input,
.field textarea {
  width: 100%;
  padding: 14px 15px;
  border: 1px solid var(--border);
  border-radius: 16px;
  outline: none;
  background: var(--surface-50);
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.field textarea {
  min-height: 132px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--primary-400);
  background: var(--surface-0);
  box-shadow: 0 0 0 4px rgba(185, 148, 104, .15);
}

.kvkk {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 16px 0 18px;
  color: var(--text-muted);
  font-size: 13px;
}

.form-message {
  min-height: 20px;
  margin: 14px 0 0;
  color: var(--secondary-600);
  font-size: 14px;
  font-weight: 700;
}

.footer {
  padding: 62px 0 24px;
  background: var(--surface-900);
  color: #fff;
}

.footer__logo.logo {
  background: #fff;
  padding: 10px 16px;
  border-radius: 14px;
  display: inline-flex;
}

.footer__logo .logo__img {
  height: 58px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.3fr .7fr .7fr .9fr;
  gap: 34px;
  padding-bottom: 42px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.footer p,
.footer a {
  color: rgba(255, 255, 255, .68);
  font-size: 14px;
}

.footer h4 {
  margin: 0 0 16px;
  font-size: 15px;
}

.footer__links {
  display: grid;
  gap: 10px;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
  color: rgba(255, 255, 255, .55);
  font-size: 13px;
}

@media (max-width: 980px) {
  .nav,
  .header__project-btn {
    display: none;
  }

  .menu-btn {
    display: inline-grid;
  }

  .hero {
    min-height: 640px;
  }

  .hero__stats,
  .projects-grid,
  .principles,
  .news-grid,
  .footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about,
  .sales-band,
  .contact {
    grid-template-columns: 1fr;
  }

  .sales-band__actions {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .topbar {
    display: none;
  }

  .header__inner {
    min-height: 76px;
  }

  .logo {
    font-size: 19px;
  }

  .logo__img {
    height: 52px;
  }

  .hero__inner {
    padding: 92px 0 42px;
  }

  .hero__stats,
  .projects-grid,
  .principles,
  .news-grid,
  .feature-list,
  .form-grid,
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 68px 0;
  }

  .section--cta {
    padding: 20px 0 68px;
  }

  .section__head {
    display: block;
  }

  .section__head .btn {
    margin-top: 20px;
  }

  .project-card,
  .project-card img {
    min-height: 390px;
  }

  .about__media,
  .about__media img {
    min-height: 430px;
  }

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

  .sales-band {
    padding: 30px;
  }

  .contact-card,
  .contact-form {
    padding: 22px;
  }

  .footer__bottom {
    display: grid;
  }
}