/* ==========================================================================
   ASIAN! Signature Design, Preview Website
   Shared stylesheet for all pages
   ========================================================================== */

:root {
  --navy: #1b3a5c;
  --navy-deep: #122840;
  --coral: #f0652e;
  --gold: #c9a24b;
  --cream: #faf7f2;
  --off-white: #f4f1eb;
  --white: #ffffff;
  --ink: #2a2a28;
  --ink-soft: #5b5b57;
  --line: #e4ddd0;

  --font-serif: "Fraunces", "Cormorant Garamond", Georgia, serif;
  --font-sans: "Jost", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --container: 1240px;
  --gutter: 32px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--navy);
  margin: 0;
  line-height: 1.15;
}

p {
  margin: 0;
}

button {
  font-family: inherit;
  cursor: pointer;
}

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

/* -------------------- Utility type scale -------------------- */
.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--coral);
  font-weight: 500;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.1rem);
  margin-top: 14px;
}

.section-lede {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 620px;
  margin-top: 18px;
}

/* -------------------- Header -------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  background: rgba(250, 247, 242, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand img {
  height: 46px;
  width: auto;
  border-radius: 4px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text .brand-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--navy);
  letter-spacing: 0.01em;
}

.brand-text .brand-name span {
  color: var(--coral);
}

.brand-text .brand-sub {
  font-size: 0.58rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 3px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 44px;
}

.main-nav ul {
  display: flex;
  gap: 38px;
}

.main-nav a {
  font-size: 0.86rem;
  letter-spacing: 0.03em;
  color: var(--navy);
  position: relative;
  padding-bottom: 4px;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--coral);
  transition: width 0.35s var(--ease);
}

.main-nav a:hover::after,
.main-nav a.is-active::after {
  width: 100%;
}

.main-nav a.is-active {
  color: var(--coral);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: all 0.35s var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: var(--coral);
  color: var(--white);
}

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

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

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

.btn-ghost {
  background: transparent;
  color: var(--navy);
  border-color: rgba(27, 58, 92, 0.25);
}

.btn-ghost:hover {
  border-color: var(--navy);
}

.header-cta {
  display: flex;
  align-items: center;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  padding: 0;
  z-index: 600;
}

.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--navy);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--cream);
  z-index: 490;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
  transform: translateY(-100%);
  transition: transform 0.5s var(--ease);
}

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

.mobile-nav a {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--navy);
}

.mobile-nav .btn {
  margin-top: 10px;
}

/* -------------------- Footer -------------------- */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.82);
  padding: 84px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand .brand-name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--white);
}

.footer-brand .brand-name span {
  color: var(--coral);
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-family: var(--font-sans);
  margin-bottom: 20px;
}

.footer-col ul li {
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--coral);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 26px;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
  flex-wrap: wrap;
  gap: 10px;
}

.footer-bottom .legal-name {
  color: rgba(255, 255, 255, 0.55);
}

/* -------------------- Reveal animation base -------------------- */
.reveal {
  opacity: 0;
  transform: translateY(46px);
  will-change: transform, opacity;
}

.reveal-fade {
  opacity: 0;
  will-change: opacity;
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.94);
  will-change: transform, opacity;
}

/* -------------------- Buttons row -------------------- */
.btn-row {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

/* -------------------- WhatsApp floating button -------------------- */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 400;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
  transition: transform 0.3s var(--ease);
}

.wa-float:hover {
  transform: scale(1.08);
}

.wa-float svg {
  width: 28px;
  height: 28px;
  fill: var(--white);
}

/* -------------------- Responsive -------------------- */
@media (max-width: 980px) {
  .main-nav {
    display: none;
  }

  .header-cta .btn-primary {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }
}

@media (max-width: 640px) {
  :root {
    --gutter: 20px;
  }

  .site-header .container {
    height: 74px;
  }

  .brand img {
    height: 36px;
  }
}