/* ============================================
   GFBGFB Brand Website — Global Styles
   Primary: #E8491C (Orange-Red)
   Accent:  #F5A623 (Orange-Yellow)
   ============================================ */

:root {
  --primary: #E8491C;
  --primary-dark: #C73A14;
  --accent: #F5A623;
  --accent-light: #FFD87A;
  --text: #1A1A2E;
  --text-light: #4A4A5A;
  --text-muted: #7A7A8A;
  --bg: #FFFFFF;
  --bg-warm: #FFF8F3;
  --bg-light: #F8F9FA;
  --border: #E8E8EC;
  --shadow-sm: 0 2px 8px rgba(26,26,46,0.06);
  --shadow: 0 8px 30px rgba(26,26,46,0.10);
  --shadow-lg: 0 20px 60px rgba(26,26,46,0.14);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  --max-width: 1200px;
  --header-height: 72px;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width:100%; display:block; }
a { text-decoration:none; color:inherit; }
ul { list-style:none; }

/* Typography */
h1,h2,h3,h4 { font-weight:700; line-height:1.2; letter-spacing:-0.02em; }
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 0.6em;
  text-align:center;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  text-align:center;
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

/* Container */
.container {
  width:92%;
  max-width:var(--max-width);
  margin:0 auto;
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
  position:fixed;
  top:0; left:0; right:0;
  height:var(--header-height);
  z-index:1000;
  display:flex; align-items:center;
  transition: var(--transition);
}
.header.scrolled {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
}
.header-inner {
  width:92%; max-width:var(--max-width);
  margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
}
.logo {
  font-size:1.6rem; font-weight:800;
  color: var(--primary);
  letter-spacing:-0.03em;
}
.logo span { color: var(--accent); }
.nav { display:flex; gap:2.2rem; align-items:center; }
.nav a {
  font-size:0.95rem; font-weight:500;
  color: var(--text);
  position:relative; padding:4px 0;
}
.nav a::after {
  content:''; position:absolute; bottom:0; left:0; width:0; height:2px;
  background: var(--primary); border-radius:2px;
  transition: width 0.3s ease;
}
.nav a:hover::after, .nav a.active::after { width:100%; }
.nav a:hover { color: var(--primary); }
.nav .btn-sm {
  padding: 8px 20px; border-radius: 50px;
  background: var(--primary); color:#fff; font-weight:600; font-size:0.9rem;
  transition: var(--transition);
}
.nav .btn-sm:hover { background: var(--primary-dark); transform:translateY(-1px); }

/* Mobile menu */
.hamburger {
  display:none; flex-direction:column; gap:5px; cursor:pointer; padding:6px;
}
.hamburger span {
  display:block; width:26px; height:2.5px; background: var(--text);
  border-radius:2px; transition: var(--transition);
}
.hamburger.active span:nth-child(1){ transform:translateY(7.5px) rotate(45deg); }
.hamburger.active span:nth-child(2){ opacity:0; }
.hamburger.active span:nth-child(3){ transform:translateY(-7.5px) rotate(-45deg); }

@media (max-width: 768px) {
  .hamburger { display:flex; }
  .nav {
    position:fixed; top:var(--header-height); left:0; right:0;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(16px);
    flex-direction:column; align-items:flex-start;
    padding: 1.5rem 4%;
    gap:1.2rem;
    box-shadow: var(--shadow-sm);
    transform: translateY(-120%);
    transition: transform 0.4s cubic-bezier(0.25,0.8,0.25,1);
    pointer-events:none;
  }
  .nav.open { transform: translateY(0); pointer-events:auto; }
  .nav a { font-size:1.1rem; }
  .nav .btn-sm { width:100%; text-align:center; margin-top:0.5rem; }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 14px 32px; border-radius: 50px;
  font-weight:600; font-size:1rem; cursor:pointer; border:none;
  transition: var(--transition);
}
.btn-primary {
  background: var(--primary); color:#fff;
  box-shadow: 0 8px 24px rgba(232,73,28,0.30);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(232,73,28,0.40);
}
.btn-outline {
  background: transparent; color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary); color:#fff;
  transform: translateY(-3px);
}
.btn-white {
  background: #fff; color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.btn-white:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.btn-sm { padding: 10px 24px; font-size:0.9rem; }

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position:relative;
  min-height: 100vh;
  display:flex; align-items:center;
  overflow:hidden;
  background: linear-gradient(135deg, #FFF0E8 0%, #FFF8F3 40%, #FFEDD5 100%);
}
.hero::before {
  content:''; position:absolute; inset:0;
  background:
    radial-gradient(circle at 80% 20%, rgba(245,166,35,0.18) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(232,73,28,0.12) 0%, transparent 50%);
  pointer-events:none;
}
.hero-deco {
  position:absolute; inset:0; pointer-events:none; overflow:hidden;
}
.hero-deco .orb {
  position:absolute; border-radius:50%; filter: blur(80px); opacity:0.5;
  animation: floatOrb 8s ease-in-out infinite;
}
.hero-deco .orb-1 { width:500px; height:500px; background:rgba(232,73,28,0.15); top:-10%; right:-5%; animation-delay:0s; }
.hero-deco .orb-2 { width:400px; height:400px; background:rgba(245,166,35,0.18); bottom:-5%; left:-8%; animation-delay:-3s; }
@keyframes floatOrb {
  0%,100%{ transform:translate(0,0) scale(1); }
  50%{ transform:translate(-20px, 20px) scale(1.05); }
}

.hero-inner {
  position:relative; z-index:2;
  width:92%; max-width:var(--max-width);
  margin:0 auto;
  display:grid; grid-template-columns:1fr 1fr; gap:3rem; align-items:center;
  padding-top: var(--header-height);
}
.hero-content { max-width: 560px; }
.hero-tag {
  display:inline-flex; align-items:center; gap:6px;
  padding: 6px 16px; border-radius: 50px;
  background: rgba(232,73,28,0.08); color: var(--primary);
  font-size:0.85rem; font-weight:600; margin-bottom:1.5rem;
  border:1px solid rgba(232,73,28,0.12);
}
.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight:800; line-height:1.1; margin-bottom:0.5em;
  color: var(--text);
}
.hero-title .accent { color: var(--primary); }
.hero-desc {
  font-size:1.15rem; color: var(--text-light); margin-bottom:2rem; line-height:1.7;
}
.hero-btns { display:flex; gap:1rem; flex-wrap:wrap; }

.hero-visual {
  position:relative; display:flex; align-items:center; justify-content:center;
}
.hero-visual img {
  max-height: 65vh; width:auto; object-fit:contain;
  filter: drop-shadow(0 30px 60px rgba(232,73,28,0.15));
  animation: heroFloat 6s ease-in-out infinite;
}
@keyframes heroFloat {
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(-12px); }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns:1fr; text-align:center; padding-top: calc(var(--header-height) + 2rem); }
  .hero-content { max-width:none; }
  .hero-btns { justify-content:center; }
  .hero-visual { order:-1; }
  .hero-visual img { max-height: 40vh; }
}

/* ============================================
   Section Utilities
   ============================================ */
section { padding: 100px 0; }
@media (max-width: 768px) { section { padding: 70px 0; } }

.bg-warm { background: var(--bg-warm); }
.bg-light { background: var(--bg-light); }

/* ============================================
   Promise / Feature Cards
   ============================================ */
.promise-grid {
  display:grid; grid-template-columns: repeat(3, 1fr); gap:2rem;
}
.promise-card {
  background: var(--bg); border-radius: var(--radius);
  padding: 2.5rem 2rem; text-align:center;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.promise-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.promise-icon {
  width: 64px; height: 64px; margin: 0 auto 1.2rem;
  display:flex; align-items:center; justify-content:center;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(232,73,28,0.08), rgba(245,166,35,0.08));
  color: var(--primary); font-size:1.6rem;
}
.promise-card h3 { font-size:1.15rem; margin-bottom:0.5rem; }
.promise-card p { font-size:0.92rem; color: var(--text-muted); line-height:1.6; }

@media (max-width: 768px) {
  .promise-grid { grid-template-columns:1fr; }
}

/* ============================================
   Product Showcase
   ============================================ */
.product-showcase {
  display:grid; grid-template-columns: 1fr 1.1fr; gap:4rem; align-items:center;
}
.product-visual {
  position:relative; display:flex; align-items:center; justify-content:center;
  background: radial-gradient(circle at center, rgba(232,73,28,0.05), transparent 70%);
  border-radius: var(--radius); padding: 2rem;
}
.product-visual img {
  max-height: 420px; width:auto;
  filter: drop-shadow(0 20px 50px rgba(0,0,0,0.12));
  transition: var(--transition);
}
.product-visual:hover img { transform: scale(1.03); }

.product-info h2 { font-size:2rem; margin-bottom:0.8rem; }
.product-info .subtitle { color: var(--text-light); margin-bottom:1.8rem; }
.feature-tags {
  display:flex; flex-wrap:wrap; gap:0.7rem; margin-bottom:2rem;
}
.tag {
  display:inline-flex; align-items:center; gap:6px;
  padding: 8px 16px; border-radius: 50px;
  background: var(--bg-warm); border: 1px solid rgba(232,73,28,0.10);
  font-size:0.85rem; font-weight:500; color: var(--text);
}
.tag svg { width:18px; height:18px; color: var(--primary); flex-shrink:0; }

@media (max-width: 900px) {
  .product-showcase { grid-template-columns:1fr; text-align:center; }
  .feature-tags { justify-content:center; }
}

/* ============================================
   Brand Story Teaser
   ============================================ */
.story-grid {
  display:grid; grid-template-columns: 1fr 1fr; gap:4rem; align-items:center;
}
.story-text h2 { font-size:2rem; margin-bottom:1rem; }
.story-text p { color: var(--text-light); margin-bottom:1.5rem; line-height:1.7; }
.story-image {
  border-radius: var(--radius); overflow:hidden;
  box-shadow: var(--shadow-lg);
}
.story-image img { width:100%; height:100%; object-fit:cover; min-height:320px; }

@media (max-width: 900px) {
  .story-grid { grid-template-columns:1fr; }
  .story-image { order:-1; }
}

/* ============================================
   Product Detail Page — Features
   ============================================ */
.features-list { display:flex; flex-direction:column; gap:3rem; }
.feature-row {
  display:grid; grid-template-columns: 1fr 1fr; gap:3rem; align-items:center;
}
.feature-row:nth-child(even) .feature-img { order:2; }
.feature-row:nth-child(even) .feature-text { order:1; }
.feature-img {
  border-radius: var(--radius); overflow:hidden;
  background: var(--bg-light);
  display:flex; align-items:center; justify-content:center;
  min-height: 300px;
}
.feature-img img { width:100%; height:100%; object-fit:cover; }
.feature-num {
  display:inline-block; width:36px; height:36px; line-height:36px; text-align:center;
  border-radius:50%; background: var(--primary); color:#fff;
  font-size:0.85rem; font-weight:700; margin-bottom:1rem;
}
.feature-text h3 { font-size:1.4rem; margin-bottom:0.6rem; }
.feature-text p { color: var(--text-light); line-height:1.7; }

@media (max-width: 900px) {
  .feature-row { grid-template-columns:1fr; }
  .feature-row:nth-child(even) .feature-img { order:-1; }
}

/* ============================================
   Specs Table
   ============================================ */
.specs-table {
  width:100%; border-collapse:collapse;
  background: var(--bg); border-radius: var(--radius); overflow:hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
}
.specs-table th, .specs-table td {
  padding: 16px 24px; text-align:left; font-size:0.95rem;
  border-bottom: 1px solid var(--border);
}
.specs-table th {
  background: var(--bg-warm); font-weight:600; color: var(--text);
  width: 35%;
}
.specs-table tr:last-child td, .specs-table tr:last-child th { border-bottom:none; }
.specs-table td { color: var(--text-light); }

@media (max-width: 600px) {
  .specs-table th, .specs-table td { padding: 12px 16px; font-size:0.9rem; }
}

/* ============================================
   Packaging / List
   ============================================ */
.pack-grid {
  display:grid; grid-template-columns: repeat(4, 1fr); gap:1.2rem;
}
.pack-item {
  background: var(--bg); border:1px solid var(--border); border-radius: var(--radius-sm);
  padding:1.2rem; text-align:center; font-size:0.9rem;
  transition: var(--transition);
}
.pack-item:hover { border-color: var(--primary); transform:translateY(-4px); }
.pack-item .icon { font-size:1.6rem; margin-bottom:0.5rem; }

@media (max-width: 768px) {
  .pack-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================
   FAQ Accordion
   ============================================ */
.faq-list { max-width: 800px; margin:0 auto; display:flex; flex-direction:column; gap:0.8rem; }
.faq-item {
  background: var(--bg); border:1px solid var(--border); border-radius: var(--radius-sm);
  overflow:hidden; transition: var(--transition);
}
.faq-item:hover { border-color: rgba(232,73,28,0.2); }
.faq-question {
  width:100%; padding: 18px 24px; display:flex; justify-content:space-between; align-items:center;
  background:none; border:none; font-size:1rem; font-weight:600; text-align:left; cursor:pointer;
  color: var(--text);
}
.faq-question::after {
  content:'+'; font-size:1.4rem; color: var(--primary); font-weight:400;
  transition: transform 0.3s ease;
}
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  max-height:0; overflow:hidden; transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
}
.faq-item.open .faq-answer {
  max-height: 300px; padding: 0 24px 18px;
}
.faq-answer p { color: var(--text-light); font-size:0.95rem; line-height:1.7; }

/* ============================================
   Forms
   ============================================ */
.form-group { margin-bottom:1.2rem; }
.form-group label {
  display:block; font-size:0.9rem; font-weight:600; margin-bottom:0.4rem; color: var(--text);
}
.form-group input,
.form-group textarea {
  width:100%; padding: 12px 16px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--border); background: var(--bg);
  font-size:1rem; font-family:inherit; color: var(--text);
  transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline:none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232,73,28,0.08);
}
.form-group textarea { min-height: 140px; resize:vertical; }

/* ============================================
   Contact Section
   ============================================ */
.contact-grid {
  display:grid; grid-template-columns: 1fr 1fr; gap:3rem; align-items:start;
}
.contact-info h3 { font-size:1.3rem; margin-bottom:0.8rem; }
.contact-info p { color: var(--text-light); margin-bottom:1.5rem; }
.contact-card {
  display:flex; align-items:center; gap:1rem;
  padding:1rem; border-radius: var(--radius-sm);
  background: var(--bg-warm); margin-bottom:0.8rem;
}
.contact-card .icon { font-size:1.4rem; }
.contact-card strong { display:block; font-size:0.85rem; color: var(--text-muted); }
.contact-card span { font-size:1rem; font-weight:600; }

@media (max-width: 900px) {
  .contact-grid { grid-template-columns:1fr; }
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--text); color: rgba(255,255,255,0.7); padding: 60px 0 30px;
}
.footer-inner {
  display:grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap:3rem;
}
.footer-brand .logo { color:var(--primary); margin-bottom:0.8rem; display:inline-block; }
.footer-brand p { font-size:0.9rem; line-height:1.6; max-width:280px; }
.footer-col h4 { color:#fff; font-size:0.95rem; margin-bottom:1.2rem; }
.footer-col a {
  display:block; font-size:0.9rem; margin-bottom:0.7rem;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08); margin-top:2.5rem; padding-top:1.5rem;
  display:flex; justify-content:space-between; align-items:center; font-size:0.85rem;
}
.footer-social { display:flex; gap:1rem; }
.footer-social a {
  width:36px; height:36px; border-radius:50%;
  background: rgba(255,255,255,0.08); display:flex; align-items:center; justify-content:center;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); transform:translateY(-2px); }

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap:2rem; }
  .footer-bottom { flex-direction:column; gap:1rem; text-align:center; }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns:1fr; }
}

/* ============================================
   Animations
   ============================================ */
.reveal {
  opacity:0; transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity:1; transform: translateY(0); }

/* ============================================
   Utilities
   ============================================ */
.text-center { text-align:center; }
.mt-1 { margin-top:0.5rem; } .mt-2 { margin-top:1rem; } .mt-3 { margin-top:1.5rem; }
.mb-1 { margin-bottom:0.5rem; } .mb-2 { margin-bottom:1rem; } .mb-3 { margin-bottom:1.5rem; }

/* Page Hero (inner pages) */
.page-hero {
  position:relative; padding: 160px 0 80px;
  background: linear-gradient(135deg, #FFF0E8, #FFEDD5);
  text-align:center;
}
.page-hero h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom:0.5rem; }
.page-hero p { color: var(--text-light); font-size:1.1rem; max-width:600px; margin:0 auto; }

/* Manual card */
.manual-card {
  display:flex; flex-direction:column; align-items:center; text-align:center;
  background: var(--bg); border:1px solid var(--border); border-radius: var(--radius);
  padding: 2rem; transition: var(--transition);
}
.manual-card:hover { transform:translateY(-6px); box-shadow: var(--shadow); border-color:transparent; }
.manual-card img { max-height:200px; margin-bottom:1rem; }
.manual-card h3 { margin-bottom:0.4rem; }
.manual-card p { font-size:0.9rem; color: var(--text-muted); margin-bottom:1.2rem; }

/* Blog placeholder */
.coming-soon {
  text-align:center; padding: 80px 20px;
}
.coming-soon .icon { font-size:3rem; margin-bottom:1rem; }
.coming-soon h2 { margin-bottom:0.5rem; }
.coming-soon p { color: var(--text-muted); }

/* QR block */
.qr-block {
  text-align:center; padding: 2rem;
  background: var(--bg-warm); border-radius: var(--radius);
}
.qr-block img { max-width: 200px; margin: 0 auto 1rem; border-radius: var(--radius-sm); }
.qr-block p { color: var(--text-muted); font-size:0.9rem; }

/* Download card */
.download-card {
  display:flex; align-items:center; gap:1.2rem;
  padding: 1.2rem 1.5rem; background: var(--bg); border:1px solid var(--border);
  border-radius: var(--radius-sm); transition: var(--transition);
}
.download-card:hover { border-color: var(--primary); transform:translateX(4px); }
.download-card .icon { font-size:2rem; }
.download-card h4 { margin-bottom:0.2rem; }
.download-card p { font-size:0.85rem; color: var(--text-muted); margin:0; }
.video-card { background:#fff; border-radius:16px; overflow:hidden; box-shadow:0 6px 24px rgba(26,26,46,0.10); }
.video-card video { width:100%; display:block; aspect-ratio:16/9; background:#1A1A2E; object-fit:cover; }
.video-card .video-caption { padding:1.4rem 1.6rem; }
.video-card .video-caption h4 { font-family:'Poppins',sans-serif; font-size:1.05rem; color:var(--text); margin-bottom:0.35rem; }
.video-card .video-caption p { font-size:0.88rem; color:var(--text-muted); margin:0; line-height:1.6; }