/* ===================================
   ROYAL INTERIOR SOLUTION — style.css
   Elegant, Gold-Dark Theme
=================================== */

:root {
  --gold:        #c9a96e;
  --gold-light:  #e8d5b0;
  --gold-dark:   #8b6914;
  --dark:        #0e0c09;
  --dark-mid:    #1a1710;
  --dark-card:   #16140e;
  --light-bg:    #f7f3ec;
  --light-card:  #fffdf8;
  --text-light:  #f0ead8;
  --text-mid:    #b0a080;
  --text-dark:   #2a2215;
  --white:       #ffffff;
  --font-serif:  'Cormorant Garamond', Georgia, serif;
  --font-sans:   'Josefin Sans', 'Century Gothic', sans-serif;
  --transition:  0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --shadow-gold: 0 4px 32px rgba(201,169,110,0.18);
  --radius:      4px;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--dark);
  color: var(--text-light);
  overflow-x: hidden;
}

/* ---- TYPOGRAPHY ---- */
h1, h2, h3 { font-family: var(--font-serif); font-weight: 300; line-height: 1.15; }
h1 { font-size: clamp(3rem, 7vw, 6.5rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); }
h3 { font-size: 1.5rem; }
em { font-style: italic; color: var(--gold); }
p { line-height: 1.75; color: var(--text-mid); font-size: 0.95rem; letter-spacing: 0.02em; }

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

/* ---- SCROLL REVEAL ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }
.delay-3 { transition-delay: 0.36s; }

/* ---- BUTTONS ---- */
.btn-gold {
  display: inline-block;
  padding: 0.85rem 2.2rem;
  background: var(--gold);
  color: var(--dark);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid var(--gold);
  transition: var(--transition);
  cursor: pointer;
}
.btn-gold:hover {
  background: transparent;
  color: var(--gold);
}
.btn-outline {
  display: inline-block;
  padding: 0.85rem 2.2rem;
  background: transparent;
  color: var(--text-light);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid rgba(201,169,110,0.35);
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* =====================
   HEADER / NAV
===================== */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: background 0.5s ease, box-shadow 0.5s ease;
  border-bottom: 1px solid transparent;
}
#header.scrolled {
  background: rgba(14,12,9,0.97);
  box-shadow: 0 1px 0 rgba(201,169,110,0.2);
  border-bottom-color: rgba(201,169,110,0.15);
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.2rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.logo-block {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-shrink: 0;
}
.logo-crown {
  font-size: 1.6rem;
  color: var(--gold);
  line-height: 1;
}
.logo-text {
  display: flex;
  flex-direction: column;
}
.logo-main {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--gold-light);
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.logo-tagline {
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mid);
  margin-top: 1px;
}
nav {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}
nav a {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mid);
  transition: color 0.3s;
  position: relative;
}
nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -3px;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.3s;
}
nav a:hover { color: var(--gold); }
nav a:hover::after { width: 100%; }

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--gold);
  transition: var(--transition);
}
.mobile-nav {
  display: none;
  flex-direction: column;
  background: rgba(14,12,9,0.98);
  padding: 1.5rem 2.5rem;
  border-top: 1px solid rgba(201,169,110,0.15);
}
.mobile-nav a {
  padding: 0.8rem 0;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mid);
  border-bottom: 1px solid rgba(201,169,110,0.08);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav.open { display: flex; }

/* =====================
   HERO
===================== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 40%, rgba(201,169,110,0.07) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(201,169,110,0.04) 0%, transparent 50%),
    linear-gradient(135deg, #0e0c09 0%, #1a1508 50%, #0e0c09 100%);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 79px,
      rgba(201,169,110,0.04) 80px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 79px,
      rgba(201,169,110,0.04) 80px
    );
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2.5rem;
  padding-top: 8rem;
}
.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.hero-content h1 {
  color: var(--text-light);
  max-width: 10em;
  margin-bottom: 1.5rem;
}
.hero-sub {
  max-width: 520px;
  font-size: 1rem;
  color: var(--text-mid);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}
.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 2;
}
.hero-scroll-hint span {
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-mid);
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.1); }
}



/* =====================
   PRODUCT SECTIONS
===================== */
.product-section {
  position: relative;
  padding: 8rem 0;
  overflow: hidden;
}
.product-section.dark {
  background: var(--dark);
}
.product-section.light {
  background: var(--light-bg);
}
.product-section.light p,
.product-section.light .product-category,
.product-section.light .feature-list li {
  color: #5a4a30;
}
.product-section.light h2 { color: var(--text-dark); }
.product-section.light em { color: var(--gold-dark); }
.product-section.light .btn-gold {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  color: #fff;
}
.product-section.light .btn-gold:hover {
  background: transparent;
  color: var(--gold-dark);
}
.section-tag {
  position: absolute;
  top: 3rem;
  right: 3rem;
  font-family: var(--font-serif);
  font-size: 8rem;
  font-weight: 300;
  color: rgba(201,169,110,0.05);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}
.product-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}
.product-inner.reverse { direction: rtl; }
.product-inner.reverse > * { direction: ltr; }

/* Product Visual */
.product-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}
.product-icon-frame {
  width: 320px;
  height: 320px;
  border: 1px solid rgba(201,169,110,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: rgba(201,169,110,0.03);
}
.product-icon-frame.light {
  border-color: rgba(139,105,20,0.25);
  background: rgba(139,105,20,0.04);
}
.product-icon-frame::before,
.product-icon-frame::after {
  content: '';
  position: absolute;
  width: 12px; height: 12px;
  border-color: var(--gold);
  border-style: solid;
}
.product-icon-frame::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.product-icon-frame::after  { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }
.product-icon-frame svg { width: 65%; height: 65%; }
.product-badge {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(201,169,110,0.3);
  padding: 0.4rem 1.2rem;
}
.product-badge.dark { color: var(--gold-dark); border-color: rgba(139,105,20,0.3); }

/* Product Copy */
.product-category {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}
.product-copy h2 { margin-bottom: 1rem; }
.product-lead {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--text-mid) !important;
  margin-bottom: 1.2rem;
}
.product-copy > p { margin-bottom: 1.5rem; }
.feature-list {
  list-style: none;
  margin-bottom: 2rem;
}
.feature-list li {
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--text-mid);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(201,169,110,0.1);
  padding-left: 1rem;
  position: relative;
}
.feature-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 0.7rem;
}

/* =====================
   WHY CHOOSE US
===================== */
#why {
  background: var(--dark-mid);
  padding: 7rem 0;
  border-top: 1px solid rgba(201,169,110,0.1);
}
.why-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2.5rem;
}
.why-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-eyebrow {
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.8rem;
  display: block;
}
.why-header h2 { color: var(--text-light); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.why-card {
  background: var(--dark-card);
  border: 1px solid rgba(201,169,110,0.1);
  padding: 2.5rem 1.8rem;
  transition: border-color var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}
.why-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}
.why-card:hover { border-color: rgba(201,169,110,0.3); transform: translateY(-4px); }
.why-card:hover::before { transform: scaleX(1); }
.why-icon {
  font-size: 0.8rem;
  color: var(--gold);
  margin-bottom: 1.2rem;
}
.why-card h3 {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 0.8rem;
}
.why-card p { font-size: 0.85rem; }

/* =====================
   CONTACT
===================== */
#contact {
  background: var(--dark);
  padding: 8rem 0;
  border-top: 1px solid rgba(201,169,110,0.12);
}
.contact-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2.5rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 6rem;
  align-items: center;
}
.contact-copy h2 { margin-bottom: 1.2rem; }
.contact-copy > p { margin-bottom: 2rem; }
.contact-details {
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(201,169,110,0.1);
}
.contact-label {
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}
.contact-item span:last-child { font-size: 0.88rem; color: var(--text-light); }

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 2rem;
  background: #25D366;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 400;
}
.btn-whatsapp:hover { background: #128C7E; }
.btn-whatsapp svg { width: 18px; height: 18px; }

/* Ornament box */
.ornament-box {
  border: 1px solid rgba(201,169,110,0.25);
  padding: 4rem 3rem;
  text-align: center;
  position: relative;
  background: linear-gradient(135deg, rgba(201,169,110,0.04), transparent);
}
.ornament-box::before,
.ornament-box::after {
  content: '';
  position: absolute;
  width: 20px; height: 20px;
  border-color: rgba(201,169,110,0.5);
  border-style: solid;
}
.ornament-box::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.ornament-box::after  { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }
.ornament-crown { font-size: 3rem; color: var(--gold); margin-bottom: 1rem; }
.ornament-name {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--text-light);
  margin-bottom: 0.3rem;
}
.ornament-est {
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.ornament-line {
  width: 40px;
  height: 1px;
  background: var(--gold);
  margin: 1.2rem auto;
}
.ornament-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--text-mid);
}

/* =====================
   FOOTER
===================== */
footer {
  background: var(--dark-mid);
  border-top: 1px solid rgba(201,169,110,0.15);
  padding: 3rem;
  text-align: center;
}
.footer-inner {}
.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--gold-light);
  margin-bottom: 0.5rem;
}
.logo-crown-sm { font-size: 1rem; color: var(--gold); }
.footer-tagline {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-mid);
  margin-bottom: 0.8rem;
}
.footer-copy {
  font-size: 0.72rem;
  color: rgba(176,160,128,0.5);
}

/* =====================
   WHATSAPP FLOAT
===================== */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 58px;
  height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px rgba(37,211,102,0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.whatsapp-float svg {
  width: 28px;
  height: 28px;
  color: #fff;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 32px rgba(37,211,102,0.55);
}
.wa-tooltip {
  position: absolute;
  right: 70px;
  background: rgba(14,12,9,0.92);
  color: var(--text-light);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  padding: 0.4rem 0.9rem;
  white-space: nowrap;
  border: 1px solid rgba(201,169,110,0.2);
  opacity: 0;
  transform: translateX(10px);
  transition: var(--transition);
  pointer-events: none;
}
.whatsapp-float:hover .wa-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* Pulse ring */
.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid #25D366;
  opacity: 0;
  animation: waPulse 2.5s ease-out infinite;
}
@keyframes waPulse {
  0%   { transform: scale(0.9); opacity: 0.6; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* =====================
   RESPONSIVE
===================== */
@media (max-width: 1100px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  nav { display: none; }
  .hamburger { display: flex; }
  .product-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .product-inner.reverse { direction: ltr; }
  .product-icon-frame { width: 240px; height: 240px; }
  .contact-inner { grid-template-columns: 1fr; }
  .section-tag { font-size: 5rem; right: 1rem; }
}

@media (max-width: 600px) {
  .header-inner { padding: 1rem 1.2rem; }
  .hero-content { padding: 0 1.2rem; padding-top: 7rem; }
  #about, .product-section, #why, #contact { padding: 4rem 0; }
  .product-inner { padding: 0 1.2rem; }
  .why-grid { grid-template-columns: 1fr; }
  .contact-inner { padding: 0 1.2rem; }
  .ornament-box { padding: 2.5rem 1.5rem; }
  .btn-gold, .btn-outline { padding: 0.7rem 1.5rem; font-size: 0.65rem; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
}