/* PICO — Index Page Styles */

:root {
  --color-bg: #0b1420;
  --color-bg-soft: #111d2e;
  --color-surface: rgba(255, 255, 255, 0.06);
  --color-surface-hover: rgba(255, 255, 255, 0.1);
  --color-border: rgba(255, 255, 255, 0.12);
  --color-text: #f4f1eb;
  --color-text-muted: rgba(244, 241, 235, 0.65);
  --color-gold: #c8a96e;
  --color-gold-soft: rgba(200, 169, 110, 0.35);
  --color-ocean: #3d6b7a;
  --font-display: "Cormorant Garamond", "Times New Roman", serif;
  --font-body: "Outfit", system-ui, sans-serif;
  --header-h: 4.5rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --radius-lg: 1.25rem;
  --radius-xl: 2rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ── Header ── */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.4s var(--ease-out), backdrop-filter 0.4s var(--ease-out), border-color 0.4s;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(11, 20, 32, 0.85);
  backdrop-filter: blur(16px);
  border-color: var(--color-border);
}

.header-inner {
  width: min(72rem, 100% - 2rem);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 1.875rem);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-indent: 0.28em;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-desktop a {
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color 0.25s;
  position: relative;
}

.nav-desktop a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease-out);
}

.nav-desktop a:hover,
.nav-desktop a.is-active {
  color: var(--color-text);
}

.nav-desktop a:hover::after,
.nav-desktop a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  display: block;
  height: 1px;
  background: var(--color-text);
  transition: transform 0.3s, opacity 0.3s;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-mobile {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 99;
  background: rgba(11, 20, 32, 0.97);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s, visibility 0.35s;
}

.nav-mobile.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-mobile a {
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  transition: color 0.25s;
}

.nav-mobile a:hover {
  color: var(--color-gold);
}

@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }
}

/* ── Hero ── */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url("/image/main_img.jpg") center / cover no-repeat;
  transform: scale(1.06);
  animation: heroKenBurns 22s ease-in-out infinite alternate;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 20, 32, 0.55) 0%, rgba(11, 20, 32, 0.35) 40%, rgba(11, 20, 32, 0.82) 100%),
    radial-gradient(ellipse 80% 60% at 50% 20%, rgba(61, 107, 122, 0.25), transparent);
}

@keyframes heroKenBurns {
  from { transform: scale(1.06); }
  to { transform: scale(1.12); }
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(52rem, 100% - 2rem);
  text-align: center;
  padding-top: var(--header-h);
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1.25rem;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 0.2s forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 8vw, 5.5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 0.35s forwards;
}

.hero-title em {
  font-style: italic;
  color: var(--color-gold);
}

.hero-desc {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  font-weight: 300;
  color: var(--color-text-muted);
  max-width: 36rem;
  margin-inline: auto;
  margin-bottom: 2.75rem;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 0.5s forwards;
}

.hero-desc strong {
  color: var(--color-text);
  font-weight: 400;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.625rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 1s forwards;
}

.hero-scroll-line {
  width: 1px;
  height: 2.5rem;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(0.6); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(1.5rem); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Services ── */

.services {
  padding: clamp(4rem, 10vw, 7rem) 1rem;
  background: var(--color-bg);
}

.section-label {
  text-align: center;
  font-size: 0.6875rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  text-align: center;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  width: min(56rem, 100%);
  margin-inline: auto;
}

@media (min-width: 640px) {
  .service-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 22rem;
  padding: 2rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-bg-soft);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.5s var(--ease-out), border-color 0.4s, box-shadow 0.4s;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-repeat: no-repeat;
  background-position: center 38%;
  background-size: 58% auto;
  opacity: 0.55;
  transition: transform 0.7s var(--ease-out), opacity 0.4s;
}

.service-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 20, 32, 0.25) 0%, rgba(11, 20, 32, 0.55) 45%, rgba(11, 20, 32, 0.92) 100%);
  transition: opacity 0.4s;
}

.service-card--house::before {
  background-image: url("/logo/pico_house_blue(no_background).png");
}

.service-card--dive::before {
  background-image: url("/logo/pico_dive_blue(no_background).png");
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold-soft);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
}

.service-card:hover::before {
  transform: scale(1.06);
  opacity: 0.72;
}

.service-card-inner {
  position: relative;
  z-index: 1;
}

.service-card-tag {
  display: inline-block;
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}

.service-card-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.service-card-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  max-width: 20rem;
  line-height: 1.55;
}

.service-card-desc .desc-sub {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.8125rem;
  opacity: 0.72;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: gap 0.3s var(--ease-out), color 0.3s;
}

.service-card:hover .service-card-link {
  gap: 0.85rem;
  color: var(--color-gold);
}

.service-card-link svg {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
}

/* ── Contact ── */

.contact {
  padding: clamp(4rem, 10vw, 6rem) 1rem;
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
}

.contact-inner {
  width: min(40rem, 100%);
  margin-inline: auto;
  text-align: center;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 2rem 0 2.5rem;
}

.contact-list a {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  font-weight: 300;
  color: var(--color-text-muted);
  transition: color 0.25s;
}

.contact-list a:hover {
  color: var(--color-gold);
}

.social-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.social-row a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: transform 0.3s var(--ease-out), border-color 0.3s, background 0.3s;
}

.social-row a:hover {
  transform: translateY(-3px);
  border-color: var(--color-gold-soft);
  background: var(--color-surface-hover);
}

.social-row img {
  width: 1.5rem;
  height: 1.5rem;
  object-fit: contain;
}

/* ── Location ── */

.location {
  padding: clamp(4rem, 10vw, 6rem) 1rem;
  background: var(--color-bg);
}

.location-inner {
  width: min(48rem, 100%);
  margin-inline: auto;
  text-align: center;
}

.location-address {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.map-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  aspect-ratio: 16 / 10;
}

.map-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ── Footer ── */

.site-footer {
  padding: 2rem 1rem;
  text-align: center;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-soft);
}

.site-footer p {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

/* ── Reveal on scroll ── */

.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .hero-bg { animation: none; }
  .hero-eyebrow, .hero-title, .hero-desc, .hero-scroll { animation: none; opacity: 1; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-scroll-line { animation: none; }
}