:root {
  --header-bg: #ffffff;
  --header-bg-scrolled: rgba(255, 255, 255, 0.98);
  --text-color: #161616;
  --muted-text: #666666;
  --accent-red: #d5061a;
  --accent-red-hover: #b00413;
  --border-light: #e7e7e7;
  --shadow-soft: 0 12px 30px rgba(0, 0, 0, 0.07);
  --transition-fast: 0.22s ease;
  --transition-med: 0.3s ease;
}
/* Apply Poppins to the entire header */
.site-header,
.site-header * {
  font-family: 'Poppins', sans-serif !important;
}
.btn-contact {
  font-weight: 600 !important;
}

/* BASIC RESET */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  /* font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; */
  color: var(--text-color) !important;
}

/* ================= HEADER BASE ================= */

.site-header {
  position: sticky !important;
  top: 0;
  z-index: 1200 !important;
  width: 100%;
  background: var(--header-bg);
  border-bottom: 1px solid rgba(0, 0, 0, 0.02);
  backdrop-filter: blur(12px);
  transition:
    background var(--transition-med),
    padding var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast);
}

.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Shrink state on scroll */
.site-header.is-scrolled {
  background: var(--header-bg-scrolled);
  box-shadow: var(--shadow-soft);
  border-color: rgba(0, 0, 0, 0.04);
  position: sticky !important;
}

.site-header.is-scrolled .header-inner {
  padding: 10px 20px;
}

/* ================= LOGO ================= */

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo img {
  height: 64px;
  max-width: 240px;
  object-fit: contain;
  transition:
    height var(--transition-fast),
    transform var(--transition-fast),
    filter var(--transition-fast);
}

.site-header.is-scrolled .logo img {
  height: 46px;
}

/* ================= NAVIGATION (DESKTOP) ================= */

.main-nav {
  flex: 1;
}

.nav-list {
  list-style: none;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 20px;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

/* base link/button styling */
.nav-link {
  position: relative;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 2px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text-color);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-decoration: none;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

/* underline hover + active indicator */
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  border-radius: 999px;
  background: var(--accent-red);
  opacity: 0;
  transition: width var(--transition-fast), opacity var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--accent-red);
  transform: translateY(-1px);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  width: 100%;
  opacity: 1;
}

/* Active link (current page) */
.nav-link--active {
  color: var(--accent-red);
}

.nav-link--active::after {
  width: 100%;
  opacity: 1;
}

.nav-arrow {
  font-size: 0.7rem;
  transform: translateY(1px);
}

/* Submenu (desktop) */
.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #ffffff;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  list-style: none;
  padding: 8px 0;
  margin: 0;
  min-width: 230px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px);
  transition:
    opacity var(--transition-fast),
    transform var(--transition-fast),
    visibility var(--transition-fast);
  z-index: 1100;
}

.submenu li a {
  display: block;
  padding: 9px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #2b2b2b;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast), padding-left var(--transition-fast);
}

.submenu li a:hover,
.submenu li a:focus-visible {
  background: #f7f7f7;
  color: var(--accent-red);
  padding-left: 22px;
}

/* show submenu on hover (desktop) */
.nav-item.has-submenu:hover > .submenu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

/* ================= CONTACT BUTTON ================= */

.btn-contact {
  padding: 10px 22px;
  background: var(--accent-red);
  color: #ffffff;
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-radius: 999px; /* pill but still sharp in feel */
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(213, 6, 26, 0.35);
  transform: translateY(0);
  transition:
    background var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.btn-contact:hover,
.btn-contact:focus-visible {
  background: var(--accent-red-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(213, 6, 26, 0.55);
}

/* ================= HAMBURGER (MOBILE) ================= */

.hamburger {
  display: none;
  width: 44px;
  height: 34px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
}

.hamburger span {
  position: absolute;
  left: 8px;
  right: 8px;
  height: 2px;
  background: var(--text-color);
  border-radius: 999px;
  transition:
    transform 0.25s ease,
    opacity 0.2s ease,
    top 0.25s ease;
}

.hamburger span:nth-child(1) { top: 9px; }
.hamburger span:nth-child(2) { top: 16px; }
.hamburger span:nth-child(3) { top: 23px; }

.hamburger.is-active span:nth-child(1) {
  top: 16px;
  transform: rotate(45deg);
}
.hamburger.is-active span:nth-child(2) {
  opacity: 0;
}
.hamburger.is-active span:nth-child(3) {
  top: 16px;
  transform: rotate(-45deg);
}

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

@media (max-width: 1024px) {
  .nav-list {
    gap: 16px;
  }

  .logo img {
    height: 56px;
  }
}

/* --- Mobile / Tablet nav --- */
@media (max-width: 768px) {
  .header-inner {
    padding: 12px 16px;
    display: grid;
    grid-template-columns: auto auto;
    grid-template-rows: auto auto;
    grid-template-areas:
      "logo contact"
      "hamburger hamburger";
    align-items: center;
  }

  .site-header.is-scrolled .header-inner {
    padding: 8px 16px;
  }

  .logo { grid-area: logo; }

  .btn-contact {
    grid-area: contact;
    justify-self: end;
    padding: 8px 16px;
    font-size: 0.8rem;
    letter-spacing: 0.14em;
  }

  .hamburger {
    display: inline-block;
    /* grid-area: hamburger; */
    justify-self: end;
    margin-top: 4px;
  }

  /* full-width slide-down panel */
  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    padding-top: 80px;
    padding-bottom: 16px;
    transform: translateY(-100%);
    transition: transform var(--transition-med);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.33);
  }

  .main-nav.is-open {
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0 18px 8px;
  }

  .nav-item {
    border-bottom: 1px solid var(--border-light);
  }

  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 12px 0;
    font-size: 0.96rem;
    letter-spacing: 0.08em;
  }

  /* disable hover dropdown on mobile */
  .nav-item.has-submenu:hover > .submenu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }

  /* Accordion behaviour */
  .submenu {
    position: static;
    border: none;
    box-shadow: none;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: max-height 0.25s ease;
    border-top: 1px solid rgba(0, 0, 0, 0.03);
  }

  .submenu li a {
    padding: 9px 0 9px 18px;
    font-size: 0.92rem;
  }

  .nav-item.has-submenu.open > .submenu {
    max-height: 340px;
  }

  .nav-item.has-submenu .nav-arrow {
    transition: transform 0.25s ease;
  }

  .nav-item.has-submenu.open .nav-arrow {
    transform: rotate(180deg);
  }

  /* remove underline effect on mobile for clarity */
  .nav-link::after {
    display: none;
  }
}

@media (max-width: 480px) {
  .logo img {
    height: 46px;
  }

  .btn-contact {
    padding: 7px 12px;
    font-size: 0.76rem;
  }
}
/* Desktop contact button visible only on desktop */
.desktop-btn {
  display: inline-flex;
}

.mobile-contact {
  display: none;
}

/* On mobile */
@media (max-width: 768px) {
  .desktop-btn {
    display: none !important;
  }

  .mobile-contact {
    display: block;
    border-bottom: none;
    margin-top: 10px;
    padding-bottom: 10px;
  }

  .mobile-btn {
    width: 100%;
    text-align: center;
    padding: 12px 0;
    border-radius: 6px;
    font-size: 1rem;
  }
}