/* ── Aquaflow · Redesign 2025 ── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&family=DM+Serif+Display:ital@0;1&display=swap');

:root {
  --blue-light:   #8ECAE6;
  --teal:         #219EBC;
  --navy:         #023047;
  --yellow:       #FFB703;
  --orange:       #FB8500;

  --teal-dark:    #1a7d96;
  --teal-50:      #eaf6fb;
  --teal-100:     #c7e9f4;
  --orange-50:    #fff8ed;
  --orange-100:   #ffe5b8;
  --navy-light:   #0a4a6a;

  --text-primary:   #011e2f;
  --text-secondary: #2a5a72;
  --text-muted:     #6b9ab0;

  --sand-100: #f2f7fa;
  --sand-200: #e2ecf2;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(2,48,71,0.08);
  --shadow-md: 0 4px 20px rgba(2,48,71,0.10);
  --shadow-lg: 0 12px 48px rgba(2,48,71,0.14);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  color: var(--text-primary);
  background: var(--sand-100);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: 'DM Serif Display', serif; line-height: 1.2; }
h1 { font-size: clamp(28px, 5vw, 44px); }
h2 { font-size: clamp(22px, 4vw, 32px); }
h3 { font-size: 20px; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: 'DM Sans', sans-serif; cursor: pointer; }

/* ── Header ── */
header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(2,48,71,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.header-inner {
  max-width: 1100px; margin: 0 auto;
  padding: 0 28px; height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo a {
  font-family: 'DM Serif Display', serif;
  font-size: 22px; color: #fff; letter-spacing: 0.3px;
}
.logo a span { color: var(--yellow); }

.navbar ul { display: flex; gap: 8px; list-style: none; }
.navbar a {
  color: rgba(255,255,255,0.75); font-size: 14px;
  padding: 7px 14px; border-radius: 20px; transition: all 0.2s;
}
.navbar a:hover { color: #fff; background: rgba(255,255,255,0.1); }

/* Burger */
.burger-wrap { display: none; }
.burger-btn {
  background: none; border: none;
  display: flex; flex-direction: column;
  gap: 5px; padding: 8px; cursor: pointer;
}
.burger-btn span {
  display: block; width: 22px; height: 2px;
  background: #fff; border-radius: 2px; transition: all 0.3s;
}
.burger-btn.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.burger-btn.open span:nth-child(2) { opacity: 0; }
.burger-btn.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

.side-menu {
  position: fixed; top: 64px; right: -280px;
  width: 260px; height: calc(100vh - 64px);
  background: var(--navy); padding: 28px 24px;
  transition: right 0.3s cubic-bezier(0.4,0,0.2,1); z-index: 99;
}
.side-menu.open { right: 0; }
.side-menu ul { list-style: none; }
.side-menu li { border-bottom: 0.5px solid rgba(255,255,255,0.08); }
.side-menu a {
  display: block; padding: 14px 0;
  color: rgba(255,255,255,0.85); font-size: 16px; transition: color 0.2s;
}
.side-menu a:hover { color: var(--yellow); }

/* ── Footer ── */
footer { background: var(--navy); padding: 52px 28px 32px; }
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 48px;
}
.footer-brand .footer-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 20px; color: #fff; margin-bottom: 12px;
}
.footer-brand .footer-logo span { color: var(--yellow); }
.footer-brand p { color: rgba(255,255,255,0.5); font-size: 14px; line-height: 1.6; max-width: 240px; }
.footer-col h4 {
  color: rgba(255,255,255,0.4); font-size: 11px;
  letter-spacing: 1.2px; text-transform: uppercase; font-weight: 500; margin-bottom: 14px;
}
.footer-col a, .footer-col p {
  display: block; color: rgba(255,255,255,0.65);
  font-size: 14px; line-height: 2; transition: color 0.2s;
}
.footer-col a:hover { color: var(--yellow); }
.footer-bottom {
  max-width: 1100px; margin: 32px auto 0; padding-top: 20px;
  border-top: 0.5px solid rgba(255,255,255,0.1);
  display: flex; justify-content: space-between; align-items: center;
}
.footer-bottom p { color: rgba(255,255,255,0.3); font-size: 13px; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius-md);
  font-size: 15px; font-weight: 500; border: none;
  transition: all 0.2s; cursor: pointer;
}
.btn-primary  { background: var(--yellow); color: var(--navy); }
.btn-primary:hover { background: var(--orange); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline  { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.45); }
.btn-outline:hover { background: rgba(255,255,255,0.1); }
.btn-teal     { background: var(--teal); color: #fff; }
.btn-teal:hover { background: var(--teal-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-orange   { background: var(--orange); color: #fff; }
.btn-orange:hover { background: #e07000; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-ghost {
  background: transparent; color: var(--text-secondary);
  border: 1px solid var(--sand-200);
}
.btn-ghost:hover { border-color: var(--teal); color: var(--teal); }

/* ── Badges ── */
.badge { display: inline-block; padding: 4px 11px; border-radius: 20px; font-size: 12px; font-weight: 500; }
.badge-teal   { background: var(--teal-50); color: #0d6e8a; }
.badge-orange { background: var(--orange-50); color: #c45e00; }
.badge-sand   { background: var(--sand-200); color: var(--text-secondary); }

/* ── Section wrapper ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 28px; }

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up   { animation: fadeUp 0.6s ease both; }
.fade-up-2 { animation: fadeUp 0.6s 0.15s ease both; }
.fade-up-3 { animation: fadeUp 0.6s 0.3s ease both; }

/* ── Mobile ── */
@media (max-width: 768px) {
  .navbar { display: none; }
  .burger-wrap { display: block; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
}