/* =============================================
   ST. CHARLES LAB — style.css
   Modern Studio-Lab Inspired Layout
   ============================================= */

:root {
  --color-primary:    #0a192f; /* Deep Navy */
  --color-accent:     #b08d57; /* Brushed Brass */
  --color-accent-lt:  #d4af37;
  --color-white:      #ffffff;
  --color-ivory:      #fdfbf7;
  --color-gray:       #f1f2f6;
  --color-muted:      #636e72;
  --color-border:     #dfe6e9;
  --font-heading:     'Playfair Display', serif;
  --font-body:        'Inter', sans-serif;
  --radius:           12px;
  --transition:       0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --shadow:           0 10px 30px rgba(0,0,0,0.08);
  --glass:            rgba(10, 25, 47, 0.8);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-primary);
  background: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
h1, h2, h3 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: 20px; }
h2 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 16px; text-align: center; }
p { margin-bottom: 16px; }

/* Sections */
section { padding: 120px 0; position: relative; }
.section-header { text-align: center; max-width: 800px; margin: 0 auto 80px; }
.section-header p { color: var(--color-muted); font-size: 1.1rem; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 16px 36px;
  border-radius: 50px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  font-size: 0.95rem;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-primary:hover {
  background: var(--color-accent-lt);
  transform: scale(1.05);
  box-shadow: 0 8px 20px rgba(176,141,87,0.3);
}
.btn-outline {
  border-color: var(--color-white);
  color: var(--color-white);
}
.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

/* Header — Glassmorphism */
header {
  position: fixed;
  top: 20px; left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 1200px;
  z-index: 1000;
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  padding: 15px 40px;
  transition: all var(--transition);
}
header.scrolled {
  top: 0;
  width: 100%;
  max-width: 100%;
  border-radius: 0;
  padding: 10px 40px;
  background: var(--color-primary);
}

.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-family: var(--font-heading); font-size: 1.6rem; font-weight: 700; color: var(--color-white); }
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a { color: rgba(255,255,255,0.8); font-weight: 500; font-size: 0.9rem; transition: color var(--transition); }
.nav-links a:hover { color: var(--color-accent); }
.nav-phone { font-weight: 700 !important; color: var(--color-accent) !important; }

.hamburger { display: none; flex-direction: column; gap: 6px; cursor: pointer; }
.hamburger span { display: block; width: 25px; height: 2px; background: var(--color-white); }

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0; right: -100%;
  width: 280px; height: 100vh;
  background: var(--color-primary);
  z-index: 1100;
  padding: 100px 40px;
  transition: right 0.4s ease;
}
.mobile-nav.open { right: 0; }
.mobile-nav a { display: block; padding: 15px 0; color: var(--color-white); font-size: 1.1rem; border-bottom: 1px solid rgba(255,255,255,0.1); }

/* Hero — Layered Studio Layout */
#hero {
  height: 100vh;
  display: flex;
  align-items: center;
  color: var(--color-white);
  overflow: hidden;
  padding: 0;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('images/hero.jpg');
  background-size: cover;
  background-position: center;
  z-index: -1;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(10, 25, 47, 0.9), rgba(10, 25, 47, 0.4));
  z-index: 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-content { max-width: 650px; }
.hero-content p { font-size: 1.2rem; margin-bottom: 40px; opacity: 0.9; }
.hero-btns { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 30px; }
.hero-phone { font-size: 1.5rem; font-weight: 700; color: var(--color-accent); display: block; }

.hero-floating-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(15px);
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 25px 50px rgba(0,0,0,0.3);
}
.hero-floating-card h3 { margin-bottom: 15px; font-size: 1.5rem; color: var(--color-accent); }
.hero-floating-card p { font-size: 0.95rem; opacity: 0.8; margin-bottom: 25px; }

/* Decorative Elements */
.deco-line {
  position: absolute;
  background: var(--color-accent);
  opacity: 0.3;
}
.line-v { width: 1px; height: 100px; }
.line-h { height: 1px; width: 100px; }

/* About — Studio Profile */
#about { background: var(--color-ivory); }
.about-profile { display: flex; flex-direction: column; gap: 60px; }
.about-strip { height: 400px; width: 100%; overflow: hidden; border-radius: var(--radius); }
.about-strip img { width: 100%; height: 100%; object-fit: cover; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: flex-start; }
.about-value-cards { display: grid; grid-template-columns: 1fr; gap: 20px; }
.value-card {
  background: var(--color-white);
  padding: 30px;
  border-radius: var(--radius);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow);
}
.value-card h4 { margin-bottom: 10px; color: var(--color-accent); }

/* Services — Modular Grid */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.service-card {
  background: var(--color-white);
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  text-align: center;
}
.service-card:nth-child(even) { border-top: 4px solid var(--color-accent); }
.service-card:nth-child(odd) { border-bottom: 4px solid var(--color-accent); }
.service-card:hover { transform: translateY(-10px); box-shadow: var(--shadow); }
.service-card h3 { margin-bottom: 15px; font-size: 1.3rem; }
.service-card p { color: var(--color-muted); font-size: 0.9rem; }

/* Why Choose Us — Dark Premium Block */
#why { background: var(--color-primary); color: var(--color-white); }
#why h2 { color: var(--color-white); }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; }
.why-tile { padding: 30px; border: 1px solid rgba(255,255,255,0.1); position: relative; }
.why-num { position: absolute; top: -15px; left: 20px; background: var(--color-accent); padding: 5px 15px; font-weight: 700; font-size: 0.8rem; }
.why-tile h3 { color: var(--color-accent); margin-bottom: 15px; font-size: 1.2rem; }
.why-tile p { font-size: 0.9rem; opacity: 0.7; }

/* Gallery — Masonry */
.gallery-masonry { columns: 3 300px; column-gap: 20px; }
.gallery-item { break-inside: avoid; margin-bottom: 20px; border-radius: var(--radius); overflow: hidden; position: relative; }
.gallery-item img { width: 100%; transition: transform 0.6s ease; }
.gallery-item:hover img { transform: scale(1.1); }

/* Process — Vertical Timeline */
.process-vertical { max-width: 800px; margin: 0 auto; position: relative; }
.process-vertical::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: var(--color-border); transform: translateX(-50%); }
.process-item { display: flex; align-items: center; margin-bottom: 80px; position: relative; }
.process-item:nth-child(even) { flex-direction: row-reverse; }
.process-content { width: 45%; padding: 30px; background: var(--color-ivory); border-radius: var(--radius); }
.process-num {
  width: 50px; height: 50px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  position: absolute; left: 50%; transform: translateX(-50%);
  z-index: 2;
  border: 4px solid var(--color-white);
}

/* Reviews */
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.review-card {
  background: var(--color-white);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.review-header { display: flex; align-items: center; gap: 15px; margin-bottom: 20px; }
.review-avatar { width: 50px; height: 50px; background: var(--color-gray); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--color-accent); }
.review-info h4 { font-size: 1rem; }
.review-info span { font-size: 0.8rem; color: var(--color-muted); }
.review-stars { color: #f1c40f; margin-bottom: 15px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 60px; }
.contact-panel { background: var(--color-primary); color: var(--color-white); padding: 60px; border-radius: var(--radius); }
.contact-panel h3 { color: var(--color-accent); margin-bottom: 30px; }
.contact-item { margin-bottom: 30px; }
.contact-item label { display: block; font-size: 0.8rem; text-transform: uppercase; color: var(--color-accent); margin-bottom: 5px; }
.contact-item p { font-size: 1.1rem; }

.contact-card { background: var(--color-white); padding: 60px; border-radius: var(--radius); box-shadow: var(--shadow); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; font-size: 0.9rem; }
.form-group input, .form-group textarea {
  width: 100%; padding: 14px; border: 1px solid var(--color-border); border-radius: 8px;
  font-family: inherit; font-size: 1rem;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--color-accent); }
#form-success { display: none; background: #d1fae5; color: #065f46; padding: 20px; border-radius: 8px; text-align: center; margin-bottom: 20px; }

/* Map */
.map-wrap { position: relative; height: 500px; border-radius: var(--radius); overflow: hidden; }
.map-wrap iframe { width: 100%; height: 100%; border: none; }
.map-address-card {
  position: absolute; bottom: 40px; left: 40px;
  background: var(--color-white); padding: 30px;
  border-radius: var(--radius); box-shadow: var(--shadow);
  max-width: 300px;
}

/* Footer */
footer { background: var(--color-primary); color: rgba(255,255,255,0.6); padding: 80px 0 40px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 60px; }
.footer-col h4 { color: var(--color-white); margin-bottom: 25px; }
.footer-col a { display: block; margin-bottom: 12px; transition: color var(--transition); }
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 40px; text-align: center; font-size: 0.85rem; }

/* Responsive */
@media (max-width: 992px) {
  header { width: 95%; padding: 15px 25px; }
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-floating-card { display: none; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .process-vertical::before { left: 30px; }
  .process-num { left: 30px; }
  .process-item, .process-item:nth-child(even) { flex-direction: row; padding-left: 70px; }
  .process-content { width: 100%; }
}

@media (max-width: 768px) {
  section { padding: 80px 0; }
  .contact-panel, .contact-card { padding: 40px 25px; }
  .map-address-card { position: static; max-width: 100%; margin-top: 20px; }
}

/* Animations */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }