:root {
  --navy: #121111;
  --white: #ffffff;
  --light: #f4f6f9;
  --text: #172337;
  --muted: #657287;
  --font: "Montserrat", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  overflow-x: hidden;
}

a {
  text-decoration: none;
}

/* =========================
           TRANSPARENT HEADER
        ========================== */

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: transparent;
}

.header-inner {
  min-height: 87px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo img {
  display: block;
  width: 250px;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.contact-btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 25px;
  border: 0;
  border-radius: 50px;
  color: var(--navy);
  background: var(--white);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  transition:
    background 0.25s ease,
    transform 0.25s ease;
}

.contact-btn:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-3px);
}

/* =========================
           SPLIT HERO
        ========================== */

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  /* min-height: 660px; */
  /* height: min(660px, 100vh); */
  /* height: min(660px, 100svh); */
  height: 100svh;
  background: var(--navy);
  isolation: isolate;
}

.hero-panel {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 0;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}

/* Background images with dark overlay and subtle blur */

.hero-panel::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: -6px;
  background-size: cover;
  background-position: center;
  filter: blur(2px);
  transform: scale(1.015);
  pointer-events: none;
}

.upvc-panel::before {
  background-image: url("../img/chevyos-upvc-01.webp");
}

.interiors-panel::before {
  background-image: url("../img/chevyos-interior-01.webp");
}

.hero-panel::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(
    61deg,
    rgb(0 0 0 / 78%) 0%,
    rgb(0 0 0 / 49%) 65%,
    rgb(5 20 35 / 24%) 100%
  );
  pointer-events: none;
}

.interiors-panel::after {
  background: linear-gradient(
    134deg,
    rgb(0 0 0 / 54%) 0%,
    rgb(0 0 0 / 63%) 65%,
    rgb(0 0 0 / 67%) 100%
  );
}

.hero-content {
  width: 100%;
  position: relative;
  z-index: 3;
  padding: 120px clamp(28px, 5.4vw, 100px) 45px;
  color: var(--white);
}

.hero-eyebrow {
  display: inline-block;
  position: relative;
  padding-bottom: 10px;
  margin-bottom: 8px;
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.hero-eyebrow::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  max-width: 175px;
  height: 3px;
  background: var(--white);
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(32px, 3.6vw, 68px);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.13;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.hero-description {
  max-width: 570px;
  margin: 0;
  color: rgba(255, 255, 255, 0.96);
  font-size: 16px;
  line-height: 1.8;
  font-weight: 500;
}

.feature-list {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 17px 20px;
  margin: 28px 0 32px;
}

.mini-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  color: white;
  font-size: 14px;
  line-height: 1.5;
  font-weight: 500;
}

.mini-feature i {
  color: var(--white);
  font-size: 27px;
  flex-shrink: 0;
}

.mini-feature span {
  max-width: 100px;
  /* max-width: max-content !important; */
}

.explore-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 56px;
  min-width: 220px;
  padding: 0 25px;
  border-radius: 50px;
  background: var(--white);
  color: var(--navy);
  font-size: 15px;
  font-weight: 800;
  transition:
    transform 0.25s ease,
    background 0.25s ease;
}

.explore-btn:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-3px);
}

.explore-btn i {
  transition: transform 0.25s ease;
}

.explore-btn:hover i {
  transform: translateX(5px);
}

/* Central diagonal divider */

.hero-divider {
  position: absolute;
  z-index: 5;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: var(--white);
  transform: translateX(-50%) rotate(0deg);
  pointer-events: none;
}

.vision-badge {
  position: absolute;
  z-index: 6;
  top: 50%;
  left: 50%;
  width: 132px;
  height: 132px;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 15px;
  border: 5px solid var(--white);
  border-radius: 50%;
  color: var(--white);
  background: var(--navy);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.55;
}

.vision-badge::after {
  content: "";
  width: 30px;
  height: 2px;
  background: var(--white);
  margin-top: 9px;
}

/* =========================
           RESPONSIVE
        ========================== */

@media (min-width: 1600px) {
  .hero-content {
    /* padding-left: max(5.4vw, calc((100vw - 1600px) / 2)); */
    padding-right: 65px;
  }
}

@media (max-width: 1199px) {
  .brand-logo img {
    width: 220px;
  }

  .hero {
    min-height: 650px;
    height: auto;
  }

  .hero-content {
    padding-left: 38px;
    padding-right: 38px;
  }

  .hero h1 {
    font-size: clamp(34px, 4vw, 48px);
  }

  .hero-description {
    font-size: 14px;
  }

  .feature-list {
    gap: 17px 12px;
  }

  .mini-feature {
    font-size: 11px;
  }
}

@media (max-width: 991px) {
  .header-inner {
    min-height: 78px;
  }

  .brand-logo img {
    width: 200px;
  }

  .hero {
    grid-template-columns: 1fr 1fr;
    min-height: 620px;
    height: auto;
  }

  .hero-content {
    padding: 115px 25px 35px;
  }

  .hero h1 {
    font-size: clamp(30px, 4vw, 43px);
    letter-spacing: -1px;
  }

  .hero-eyebrow {
    font-size: 10px;
    letter-spacing: 2px;
  }

  .hero-description {
    font-size: 13px;
    line-height: 1.7;
  }

  .feature-list {
    margin: 23px 0;
    gap: 15px 10px;
  }

  .mini-feature i {
    font-size: 23px;
  }

  .explore-btn {
    min-width: 190px;
    min-height: 50px;
    font-size: 13px;
  }

  .vision-badge {
    width: 112px;
    height: 112px;
    font-size: 11px;
  }
}

@media (max-width: 767px) {
  .header-inner {
    min-height: 76px;
  }

  .brand-logo img {
    width: 185px;
  }

  .contact-btn {
    min-height: 42px;
    padding: 0 16px;
    font-size: 12px;
    gap: 8px;
  }

  .hero {
    display: flex;
    flex-direction: column;
    min-height: 0;
    /* padding-top: 76px; */
  }

  .hero-panel {
    min-height: 540px;
    width: 100%;
  }

  .hero-content {
    padding: 55px 27px 45px;
  }

  .hero h1 {
    max-width: 550px;
    font-size: clamp(35px, 9vw, 54px);
    letter-spacing: -1.5px;
  }

  .hero-eyebrow {
    font-size: 11px;
    letter-spacing: 2px;
  }

  .hero-description {
    max-width: 500px;
    font-size: 14px;
  }

  .feature-list {
    gap: 20px 18px;
    /* max-width: 280px; */
  }

  .mini-feature {
    font-size: 13px;
    text-align: start;
  }

  .mini-feature span {
    max-width: 100px;
    /* max-width: max-content !important; */
  }

  .explore-btn {
    min-width: 220px;
  }

  .hero-divider {
    top: 50%;
    left: 0;
    right: 0;
    bottom: auto;
    width: 100%;
    height: 4px;
    transform: none;
  }

  .vision-badge {
    top: 50%;
    width: 130px;
    height: 130px;
    font-size: 14px;
    border-width: 3px;
  }
}

@media (max-width: 380px) {
  .brand-logo img {
    width: 150px;
  }

  .contact-btn {
    padding: 0 12px;
    font-size: 11px;
  }

  .hero-panel {
    min-height: 565px;
  }

  .hero-content {
    padding-left: 21px;
    padding-right: 21px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .feature-list {
    gap: 15px 10px;
  }

  .mini-feature {
    gap: 7px;
  }

  .explore-btn {
    width: 100%;
  }
}

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