/* ============================================
   SN GROUP OF COMPANIES — Premium Corporate Styles
   Theme: Orange & Black
   ============================================ */
/* ---------- Team Section ---------- */
.team-section { background: var(--color-bg-alt); }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2.5rem; margin-top: 3rem; }
.team-card { background: var(--color-surface); border: 1px solid var(--color-line); transition: var(--transition); overflow: hidden; }
.team-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); border-color: var(--color-accent); }
.team-image { aspect-ratio: 1/1; overflow: hidden; }
.team-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; filter: grayscale(30%); }
.team-card:hover .team-image img { transform: scale(1.05); filter: grayscale(0%); }
.team-info { padding: 2rem 1.5rem; text-align: center; }
.team-name { font-family: var(--font-serif); font-size: 1.5rem; margin-bottom: 0.5rem; color: var(--color-ink); }
.team-role { display: block; font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--color-accent); font-weight: 600; margin-bottom: 1rem; }
.team-desc { font-size: 0.9rem; color: var(--color-ink-soft); line-height: 1.6; }

@media (max-width: 1024px) {
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .team-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
}
:root {
  /* Colors - Orange & Black Premium */
  --color-bg: #ffffff;
  --color-bg-alt: #f5f5f7;
  --color-surface: #ffffff;
  --color-ink: #111111;       /* Deep Black */
  --color-ink-soft: #333333;
  --color-muted: #666666;
  --color-line: #e5e5e5;
  --color-accent: #E65C00;    /* Premium Deep Orange */
  --color-accent-dark: #CC5200;

  /* Typography */
  --font-serif: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  /* Spacing & Layout */
  --space-xs: 0.5rem; --space-sm: 1rem; --space-md: 2rem;
  --space-lg: 4rem; --space-xl: 7rem; --space-2xl: 10rem;
  --container: 1400px;
  --radius: 2px;
  --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-sans); font-size: 16px; line-height: 1.7; color: var(--color-ink); background: var(--color-bg); overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 500; line-height: 1.15; letter-spacing: -0.01em; color: var(--color-ink); }
h1 { font-size: clamp(2.8rem, 7vw, 6rem); }
h2 { font-size: clamp(2.2rem, 5vw, 4rem); }
h3 { font-size: clamp(1.5rem, 2.5vw, 2rem); }
.eyebrow { font-family: var(--font-sans); font-size: 0.75rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--color-accent); font-weight: 600; display: inline-block; margin-bottom: var(--space-sm); }
.lead { font-size: clamp(1.05rem, 1.3vw, 1.2rem); color: var(--color-ink-soft); max-width: 60ch; }

/* ---------- Layout ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 clamp(1.25rem, 4vw, 3rem); }
section { padding: var(--space-xl) 0; }
.section-head { margin-bottom: var(--space-lg); max-width: 900px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 0.75rem; padding: 1.1rem 2.2rem; font-size: 0.8rem; letter-spacing: 0.15em; text-transform: uppercase; font-weight: 600; border: 2px solid var(--color-accent); background: var(--color-accent); color: #fff; transition: var(--transition-fast); position: relative; overflow: hidden; }
.btn::after { content: '→'; transition: transform var(--transition-fast); }
.btn:hover { background: var(--color-accent-dark); border-color: var(--color-accent-dark); }
.btn:hover::after { transform: translateX(6px); }
.btn.ghost { background: transparent; color: var(--color-ink); border-color: var(--color-ink); }
.btn.ghost:hover { background: var(--color-ink); color: #fff; }
.btn.light { border-color: #fff; color: #fff; background: transparent; }
.btn.light:hover { background: #fff; color: var(--color-ink); }

/* ---------- Header & Logo ---------- */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 1.5rem 0; transition: var(--transition); color: #fff; }
.site-header.scrolled { background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(10px); color: var(--color-ink); padding: 0.8rem 0; border-bottom: 1px solid var(--color-line); box-shadow: 0 4px 20px rgba(0,0,0,0.03); }
.site-header.scrolled .nav-link { color: var(--color-ink); }

.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; z-index: 110; }
.logo img { height: 45px; width: auto; transition: filter 0.3s ease; }
/* Makes logo white when header is transparent over hero, natural color when scrolled */
.site-header:not(.scrolled) .logo img { filter: brightness(0) invert(1); } 

.nav-list { display: flex; gap: 2.5rem; }
.nav-link { font-size: 0.8rem; letter-spacing: 0.15em; text-transform: uppercase; color: #fff; font-weight: 500; position: relative; padding: 0.25rem 0; transition: color var(--transition-fast); }
.nav-link::after { content: ''; position: absolute; left: 0; bottom: -4px; width: 0; height: 2px; background: var(--color-accent); transition: width var(--transition-fast); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--color-accent); }

.menu-toggle { display: none; width: 32px; height: 24px; position: relative; z-index: 110; }
.menu-toggle span { position: absolute; left: 0; width: 100%; height: 2px; background: currentColor; transition: var(--transition-fast); }
.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.menu-toggle span:nth-child(3) { bottom: 0; }
.menu-toggle.open span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* ---------- Hero Slider ---------- */
.hero { position: relative; height: 100vh; min-height: 640px; overflow: hidden; color: #fff; }
.slides { position: absolute; inset: 0; }
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s ease; }
.slide.active { opacity: 1; }
.slide-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.08); transition: transform 8s ease; }
.slide.active .slide-bg { transform: scale(1); }
.slide-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0.4) 0%, rgba(17,17,17,0.85) 100%); }
.slide-content { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; padding: 0 clamp(1.5rem, 6vw, 6rem); max-width: 1100px; }
.slide-content .eyebrow { color: var(--color-accent); opacity: 0; transform: translateY(20px); transition: all 1s ease 0.3s; }
.slide-content h1 { color: #fff; opacity: 0; transform: translateY(40px); transition: all 1.2s ease 0.5s; }
.slide-content p { color: rgba(255,255,255,0.85); opacity: 0; transform: translateY(30px); transition: all 1s ease 0.8s; max-width: 55ch; margin: 1.5rem 0 2.5rem; font-size: 1.1rem; }
.slide-content .btn { opacity: 0; transform: translateY(20px); transition: all 1s ease 1s, background 0.3s ease, border-color 0.3s ease; }
.slide.active .slide-content .eyebrow, .slide.active .slide-content h1, .slide.active .slide-content p, .slide.active .slide-content .btn { opacity: 1; transform: translateY(0); }

.slider-controls { position: absolute; bottom: 3rem; right: clamp(1.5rem, 6vw, 6rem); display: flex; align-items: center; gap: 1.5rem; z-index: 5; }
.slider-arrow { width: 52px; height: 52px; border: 1px solid rgba(255,255,255,0.4); display: grid; place-items: center; transition: var(--transition-fast); color: #fff; }
.slider-arrow:hover { background: var(--color-accent); border-color: var(--color-accent); }
.slider-dots { display: flex; gap: 0.5rem; }
.slider-dots button { width: 32px; height: 2px; background: rgba(255,255,255,0.4); transition: var(--transition-fast); }
.slider-dots button.active { background: var(--color-accent); width: 52px; }

/* ---------- Page Hero ---------- */
.page-hero { position: relative; height: 50vh; min-height: 380px; display: flex; align-items: flex-end; color: #fff; overflow: hidden; }
.page-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.page-hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(17,17,17,0.3) 0%, rgba(17,17,17,0.8) 100%); }
.page-hero-content { position: relative; padding: 0 clamp(1.5rem, 6vw, 6rem); max-width: var(--container); margin: 0 auto; width: 100%; padding-bottom: 4rem; }
.page-hero h1 { color: #fff; margin-bottom: 1rem; }
.breadcrumb { display: flex; gap: 0.75rem; font-size: 0.8rem; letter-spacing: 0.15em; text-transform: uppercase; opacity: 0.8; }
.breadcrumb a:hover { color: var(--color-accent); }

/* ---------- Intro & Grids ---------- */
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 6rem); align-items: center; }
.intro-image { position: relative; aspect-ratio: 4/5; overflow: hidden; }
.intro-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.5s ease; }
.intro-image:hover img { transform: scale(1.05); }
.intro-text h2 { margin-bottom: 1.5rem; }
.intro-text p { margin-bottom: 1.25rem; color: var(--color-ink-soft); }
.intro-text .btn { margin-top: 1.5rem; }

/* ---------- Stats (Black Section) ---------- */
.stats { background: var(--color-ink); color: #fff; padding: var(--space-xl) 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; border-top: 1px solid rgba(255,255,255,0.1); padding-top: var(--space-lg); }
.stat-number { font-family: var(--font-serif); font-size: clamp(3rem, 5vw, 5rem); line-height: 1; color: var(--color-accent); margin-bottom: 0.75rem; display: flex; align-items: baseline; }
.stat-number .suffix { font-size: 0.6em; margin-left: 0.2em; }
.stat-label { font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; opacity: 0.8; color: #fff; }

/* ---------- Leadership / Chairman ---------- */
.chairman { background: var(--color-bg-alt); }
.chairman-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(2rem, 5vw, 6rem); align-items: center; }
.chairman-image { position: relative; aspect-ratio: 3/4; overflow: hidden; }
.chairman-image img { width: 100%; height: 100%; object-fit: cover; }
.chairman-content blockquote { font-family: var(--font-serif); font-size: clamp(1.3rem, 2vw, 1.7rem); line-height: 1.5; margin: 2rem 0; font-style: italic; color: var(--color-ink-soft); position: relative; padding-left: 2rem; border-left: 3px solid var(--color-accent); }
.chairman-name { font-family: var(--font-serif); font-size: 1.5rem; margin-bottom: 0.25rem; }
.chairman-title { font-size: 0.8rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-accent); font-weight: 600; }

/* ---------- Featured Projects ---------- */
.featured-project { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; margin-bottom: var(--space-xl); }
.featured-project:nth-child(even) { grid-template-columns: 1fr 1.3fr; }
.featured-project:nth-child(even) .fp-image { order: 2; }
.fp-image { position: relative; aspect-ratio: 4/3; overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.fp-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.5s ease; }
.fp-image:hover img { transform: scale(1.06); }
.fp-number { font-family: var(--font-sans); font-size: 0.8rem; letter-spacing: 0.3em; color: var(--color-accent); font-weight: 700; margin-bottom: 1rem; }
.fp-title { font-size: clamp(2rem, 3.5vw, 3rem); margin-bottom: 1.5rem; }
.fp-meta { display: flex; gap: 2rem; margin: 2rem 0; padding: 1.5rem 0; border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
.fp-meta dt { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-muted); margin-bottom: 0.5rem; font-weight: 600; }
.fp-meta dd { font-family: var(--font-serif); font-size: 1.2rem; font-weight: 500; }

/* ---------- CTA (Black Section) ---------- */
.cta { position: relative; padding: var(--space-2xl) 0; color: #fff; text-align: center; overflow: hidden; }
.cta-bg { position: absolute; inset: 0; background-size: cover; background-position: center; background-attachment: fixed; }
.cta-bg::after { content: ''; position: absolute; inset: 0; background: rgba(17, 17, 17, 0.88); }
.cta-content { position: relative; z-index: 2; max-width: 800px; margin: 0 auto; }
.cta h2 { color: #fff; margin-bottom: 1.5rem; }
.cta p { margin-bottom: 2.5rem; opacity: 0.85; font-size: 1.1rem; }

/* ---------- Footer (Black Section) ---------- */
.site-footer { background: #0a0a0a; color: #fff; padding: var(--space-xl) 0 var(--space-md); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem; padding-bottom: var(--space-lg); border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-col h4 { font-family: var(--font-sans); font-size: 0.8rem; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 1.5rem; color: var(--color-accent); font-weight: 600; }
.footer-col ul li { margin-bottom: 0.75rem; }
.footer-col a { font-size: 0.95rem; opacity: 0.7; transition: opacity var(--transition-fast); }
.footer-col a:hover { opacity: 1; color: var(--color-accent); }
.footer-about p { opacity: 0.7; margin: 1.5rem 0; font-size: 0.95rem; }
.footer-about .logo img { height: 40px; filter: brightness(0) invert(1); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: var(--space-md); font-size: 0.85rem; opacity: 0.5; }

/* ---------- Contact Form & Map ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(2rem, 5vw, 5rem); }
.contact-info-list { margin-top: 2rem; }
.contact-info-list li { padding: 1.5rem 0; border-bottom: 1px solid var(--color-line); }
.contact-info-list dt { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-accent); margin-bottom: 0.5rem; font-weight: 600; }
.contact-info-list dd { font-family: var(--font-serif); font-size: 1.2rem; }
.contact-form { display: grid; gap: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form-field label { display: block; font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-muted); margin-bottom: 0.75rem; font-weight: 600; }
.form-field input, .form-field textarea { width: 100%; padding: 1rem 0; font: inherit; background: transparent; border: none; border-bottom: 1px solid var(--color-line); color: var(--color-ink); transition: border-color var(--transition-fast); }
.form-field input:focus, .form-field textarea:focus { outline: none; border-color: var(--color-accent); }
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field.error input, .form-field.error textarea { border-color: #d32f2f; }
.form-error { font-size: 0.75rem; color: #d32f2f; margin-top: 0.5rem; display: none; }
.form-field.error .form-error { display: block; }
.form-success { padding: 1.5rem; background: var(--color-ink); color: #fff; text-align: center; display: none; }
.form-success.show { display: block; }
.map-container { margin-top: var(--space-lg); aspect-ratio: 21/9; overflow: hidden; background: var(--color-bg-alt); border: 1px solid var(--color-line); }
.map-container iframe { width: 100%; height: 100%; border: 0; filter: grayscale(20%); }

/* ---------- Utilities & Animations ---------- */
.back-to-top { position: fixed; bottom: 2rem; right: 2rem; width: 52px; height: 52px; background: var(--color-accent); color: #fff; display: grid; place-items: center; opacity: 0; pointer-events: none; transition: var(--transition); z-index: 50; font-size: 1.2rem; }
.back-to-top.show { opacity: 1; pointer-events: auto; }
.back-to-top:hover { background: var(--color-accent-dark); }

.social-links { display: flex; gap: 1rem; margin-top: 2rem; }
.social-links a { width: 44px; height: 44px; border: 1px solid var(--color-line); display: grid; place-items: center; transition: var(--transition-fast); }
.social-links a:hover { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }

.reveal { opacity: 0; transform: translateY(40px); transition: opacity 1s ease, transform 1s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .intro-grid, .chairman-grid, .featured-project, .featured-project:nth-child(even), .contact-grid { grid-template-columns: 1fr; }
  .featured-project:nth-child(even) .fp-image { order: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .main-nav { position: fixed; inset: 0; background: var(--color-ink); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity var(--transition); }
  .main-nav.open { opacity: 1; pointer-events: auto; }
  .nav-list { flex-direction: column; gap: 2rem; text-align: center; }
  .nav-link { color: #fff; font-size: 1.5rem; }
  .site-header.scrolled .nav-link { color: #fff; }
  
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
  .slider-controls { bottom: 2rem; right: 1.5rem; }
  .cta-bg { background-attachment: scroll; }
}