/* ============================================================
   DESIGN SYSTEM — SAFE VARIABLES (Safari‑compatible)
   ============================================================ */

:root {
  color-scheme: light;

  --color-bg: #f5f8ff;
  --color-text: #1b2a3b;

  --glass-bg: rgba(255, 255, 255, 0.18);
  --glass-border: rgba(255, 255, 255, 0.35);
  --glass-shadow: 0 8px 40px rgba(0, 0, 0, 0.15);
  --glass-shimmer: linear-gradient(
    120deg,
    rgba(255, 255, 255, 0.25) 0%,
    rgba(255, 255, 255, 0.05) 40%,
    rgba(255, 255, 255, 0.25) 100%
  );

  --radius-card: 1.5rem;
  --radius-medium: 1.2rem;
  --radius-small: 0.8rem;

  --space-section: 5rem;
  --space-section-large: 6rem;
  --space-card-padding: 2.5rem;

  --font-heading: "Playfair Display", serif;
  --font-body: "Inter", sans-serif;
  --heading-size-1: 2rem;
  --heading-size-cta: 1.8rem;

  --gallery-border: 2px solid rgba(45, 45, 45, 0.55);
  --gallery-radius: 1rem;
  --gallery-hover-scale: 1.05;
}

/* ============================================================
   GLOBAL RESET
   ============================================================ */

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

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  min-height: 100vh;
  background-image: url("heaven-tower.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 200px;

  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0%,
    rgba(220, 216, 233, 0.25) 25%,
    rgba(220, 216, 233, 0.55) 45%,
    #dcd8e9 80%,
    #dcd8e9 100%
  );

  pointer-events: none;
  z-index: 3;
}

/* MOBILE HERO FIX — prevents zoom + blur */
@media (max-width: 768px) {
  .hero {
    background-attachment: scroll; /* Safari-safe */
    background-size: cover;        /* still fills width */
    background-position: center top;
    background-repeat: no-repeat;
  }
}


/* ============================================================
   NAVIGATION (Glass + Hamburger)
   ============================================================ */

.nav {
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.3rem 4vw;

  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);

  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);

  position: sticky;
  top: 0;
}

.nav::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--glass-shimmer);
  opacity: 0.25;
  mix-blend-mode: screen;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #1b2a3b;
}



/* ============================================================
   GLASS BUTTON
   ============================================================ */

.glass-button {
  display: inline-block;
  padding: 1rem 2.2rem;
  border-radius: 0.9rem;
  text-decoration: none;
  font-weight: 500;
  font-size: 1.05rem;

  background: rgba(255, 255, 255, 0.22);
  color: #1b2a3b;
  border: 1px solid rgba(255, 255, 255, 0.4);

  backdrop-filter: blur(12px) saturate(160%);
  -webkit-backdrop-filter: blur(12px) saturate(160%);

  box-shadow: var(--glass-shadow);
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);

  transition: 0.25s ease;
}

.glass-button:hover {
  background: rgba(255, 255, 255, 0.35);
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

/* ============================================================
   CTA CARD
   ============================================================ */

.cta-card {
  margin: 10vh auto 0;
  padding: var(--space-card-padding) calc(var(--space-card-padding) + 0.5rem);
  max-width: 480px;
  text-align: center;
  border-radius: var(--radius-card);

  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);

  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);

  position: relative;
}

.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--glass-shimmer);
  opacity: 0.25;
  mix-blend-mode: screen;
}

.cta-card h1 {
  font-family: var(--font-heading);
  font-size: var(--heading-size-cta);
  margin-bottom: 0.5rem;
  color: #1b2a3b;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
}

.cta-card p {
  color: #1b2a3b;
  opacity: 0.9;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
}

/* ============================================================
   CONTENT WRAPPER
   ============================================================ */

.content-wrapper {
  background: linear-gradient(
    180deg,
    #dcd8e9 0%,
    #cfcfdd 40%,
    #c7c8d4 100%
  );
  padding-top: 4rem;
}

/* ============================================================
   SECTIONS
   ============================================================ */

.section {
  padding: var(--space-section) 4vw;
}

.section h2 {
  font-family: var(--font-heading);
  text-align: center;
  font-size: var(--heading-size-1);
  margin-bottom: 1rem;
  color: #1b2a3b;
}

.section p {
  max-width: 40rem;
  margin: 0.5rem auto 0;
  text-align: center;
  line-height: 1.7;
  color: #1b2a3b;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */

.about-card {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-card-padding) calc(var(--space-card-padding) + 0.3rem);
  border-radius: var(--radius-medium);

  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);

  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);

  position: relative;
}

.about-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--glass-shimmer);
  opacity: 0.25;
  mix-blend-mode: screen;
}

.about-selector {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.about-tab {
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-small);
  border: 1px solid var(--glass-border);

  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);

  cursor: pointer;
  font-weight: 500;
  color: #1b2a3b;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  transition: 0.25s ease;
}

.about-tab:hover,
.about-tab.active {
  background: rgba(255, 255, 255, 0.35);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.35);
}

.about-output {
  max-width: 650px;
  margin: 0 auto;
  position: relative;
  min-height: 140px;
}

.about-panel {
  display: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.about-panel.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   GALLERY
   ============================================================ */

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: 240px;
  gap: 1.2rem;
}

.box-1 { grid-column: span 1; grid-row: span 1; }
.box-2 { grid-column: span 1; grid-row: span 2; }
.box-3 { grid-column: span 1; grid-row: span 1; }
.box-4 { grid-column: span 2; grid-row: span 1; }

.gallery-item {
  position: relative;
  border-radius: var(--gallery-radius);
  transition: transform 0.25s ease;
  min-height: 240px;
  border: var(--gallery-border);
  overflow: hidden;
}

.gallery-item:hover {
  transform: scale(var(--gallery-hover-scale));
}

.gallery-item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.2s ease;
  border-radius: inherit;
}

.gallery-item img.active {
  opacity: 1;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */

.section-contact {
  padding: var(--space-section-large) 4vw;
}

.contact-container {
  display: flex;
  justify-content: center;
}

.contact-card {
  padding: 3rem 3.5rem;
  max-width: 520px;
  text-align: center;
  border-radius: var(--radius-card);

  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);

  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);

  position: relative;
}

.contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--glass-shimmer);
  opacity: 0.25;
  mix-blend-mode: screen;
}

.contact-card h2,
.contact-card p {
  color: #1b2a3b;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

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

footer {
  position: relative;
  z-index: 20;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.3rem 4vw;
  margin-top: 4rem;

  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);

  border-top: 1px solid var(--glass-border);
  box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.15);
}

footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--glass-shimmer);
  opacity: 0.25;
  mix-blend-mode: screen;
}

footer p,
footer a {
  color: #1b2a3b;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
  font-weight: 500;
  text-decoration: none;
}