/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ocean: #0a4f6e;
  --ocean-light: #1a7a9e;
  --teal: #00b4d8;
  --sand: #f5e6c8;
  --sand-dark: #e8d5a3;
  --coral: #ff6b4a;
  --white: #ffffff;
  --dark: #0d1b2a;
  --grey: #6b7280;
  --light-grey: #f8f9fa;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.18);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { text-decoration: none; color: inherit; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; }
h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }
p { font-size: 1.05rem; color: var(--grey); line-height: 1.75; }

/* ===== NAV ===== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}
nav.scrolled {
  background: rgba(10, 27, 42, 0.95);
  backdrop-filter: blur(12px);
  padding: 0.9rem 5%;
  box-shadow: 0 2px 24px rgba(0,0,0,0.3);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--teal); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--teal); }
.nav-links a.active { color: var(--teal); }
.nav-cta {
  background: var(--coral);
  color: var(--white) !important;
  padding: 0.6rem 1.4rem;
  border-radius: 50px;
  font-weight: 600 !important;
}
.nav-cta:hover { background: #e85530 !important; transform: translateY(-1px); }

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: var(--font-body);
}
.btn-primary {
  background: var(--coral);
  color: var(--white);
}
.btn-primary:hover { background: #e85530; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,107,74,0.4); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.7);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--white); transform: translateY(-2px); }
.btn-dark {
  background: var(--ocean);
  color: var(--white);
}
.btn-dark:hover { background: var(--ocean-light); transform: translateY(-2px); }

/* ===== SECTIONS ===== */
.section { padding: 7rem 5%; }
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1rem;
}
.section-title { margin-bottom: 1.25rem; }
.section-subtitle { font-size: 1.1rem; max-width: 560px; margin-bottom: 2.5rem; }

.container { max-width: 1280px; margin: 0 auto; }

/* ===== ICON SPANS (replacing emojis) ===== */
.icon-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 180, 216, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.icon-circle svg {
  width: 18px;
  height: 18px;
  stroke: var(--teal);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ===== FOOTER ===== */
footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 4rem 5% 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand .nav-logo { font-size: 1.5rem; margin-bottom: 1rem; }
.footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.5); max-width: 260px; }
.footer-col h4 { color: var(--white); font-size: 0.85rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 1.25rem; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.7rem; }
.footer-col a { color: rgba(255,255,255,0.5); font-size: 0.9rem; transition: var(--transition); }
.footer-col a:hover { color: var(--teal); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.35);
}
.social-links { display: flex; gap: 0.75rem; margin-top: 1.5rem; }
.social-links a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.social-links a svg {
  width: 16px;
  height: 16px;
  fill: rgba(255,255,255,0.6);
}
.social-links a:hover { background: var(--teal); }
.social-links a:hover svg { fill: var(--white); }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 27, 42, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .nav-links.open {
    right: 0;
  }
  .nav-toggle {
    display: flex;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 5rem 5%; }
}
