/* Carolina Lake Co. — Global Styles */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:wght@300;400;500&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bone: #F4F1E8;
  --bone-mid: #EAE6D8;
  --navy: #2F3A44;
  --navy-light: #3d4e5a;
  --muted: #6B7280;
  --muted-light: #9CA3AF;
  --white: #ffffff;
  --rule: rgba(47,58,68,0.12);

  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --spacing-2xl: 10rem;

  --max-width: 1280px;
  --transition: 0.3s ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bone);
  color: var(--navy);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

/* ========================
   NAVIGATION
======================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2.5rem;
  transition: background var(--transition), backdrop-filter var(--transition);
}

.nav.scrolled {
  background: rgba(244, 241, 232, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 50%;
  opacity: 0.9;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.75;
  transition: opacity var(--transition);
}

.nav-links a:hover {
  opacity: 1;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-cart {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.7;
  cursor: pointer;
  transition: opacity var(--transition);
}

.nav-cart:hover {
  opacity: 1;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--navy);
  transition: var(--transition);
}

/* ========================
   BUTTONS
======================== */

.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: background var(--transition), opacity var(--transition);
}

.btn:hover {
  background: var(--navy-light);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
}

.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
}

.btn-ghost {
  background: rgba(255,255,255,0.12);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(4px);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.22);
}

/* ========================
   TYPOGRAPHY
======================== */

.label {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); }

/* ========================
   LAYOUT UTILITIES
======================== */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2.5rem;
}

.section {
  padding: var(--spacing-xl) 0;
}

.divider {
  border: none;
  border-top: 1px solid var(--rule);
}

/* ========================
   FOOTER
======================== */

.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.6);
  padding: 4rem 0 2rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2.5rem;
}

.footer-brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 50%;
  margin-bottom: 1rem;
  opacity: 0.7;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  font-size: 0.8rem;
  line-height: 1.7;
  opacity: 0.6;
  max-width: 200px;
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  margin-bottom: 1.25rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-col li a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}

.footer-col li a:hover {
  color: rgba(255,255,255,0.9);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 3rem auto 0;
  padding: 1.5rem 2.5rem 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 0.73rem;
  opacity: 0.4;
}

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

@media (max-width: 768px) {
  .nav {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .container {
    padding: 0 1.5rem;
  }

  .section {
    padding: var(--spacing-lg) 0;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    padding: 0 1.5rem;
  }

  .footer-bottom {
    padding: 1.5rem 1.5rem 0;
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }
}

/* ========================
   FADE-IN ANIMATION
======================== */

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}