/* ================================================================
   Ratul Puri — Official Website
   Shared stylesheet
   ================================================================ */

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

:root {
  --white: #fafafa;
  --off-white: #f2f1ef;
  --light-gray: #e8e6e1;
  --mid-gray: #b0ada6;
  --dark-gray: #3a3a38;
  --near-black: #1a1a19;
  --accent: #8a6d3b;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Libre Franklin', sans-serif;
}

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

body {
  background: var(--white);
  color: var(--near-black);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; }

/* ── SKIP LINK (a11y) ── */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--near-black);
  color: var(--white);
  padding: 0.6rem 1rem;
  z-index: 200;
  font-size: 0.8rem;
}
.skip-link:focus { left: 0; }

/* ── NAV ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(250,250,250,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--light-gray);
  transition: transform 0.4s ease;
}

nav .logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--near-black);
  text-decoration: none;
}

nav .nav-links {
  display: flex;
  gap: 2.2rem;
  list-style: none;
}

nav .nav-links a {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dark-gray);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
}

nav .nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--near-black);
  transition: width 0.3s ease;
}

nav .nav-links a:hover::after,
nav .nav-links a.active::after {
  width: 100%;
}

nav .nav-links a.active { color: var(--near-black); }

/* ── HAMBURGER ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--near-black);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── MOBILE MENU ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--white);
  z-index: 99;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.mobile-menu.open { opacity: 1; pointer-events: all; }

.mobile-menu a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  color: var(--near-black);
  text-decoration: none;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.mobile-menu.open a { opacity: 1; transform: translateY(0); }
.mobile-menu.open a:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.open a:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.open a:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.open a:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.open a:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu.open a:nth-child(6) { transition-delay: 0.35s; }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding-top: 5rem;
}

.hero-image {
  height: 100vh;
  position: sticky;
  top: 0;
  overflow: hidden;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(15%);
  transition: transform 0.6s ease;
}

.hero-text {
  padding: 6rem 5rem 6rem 4rem;
  max-width: 640px;
}

.hero-label {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 1.8rem;
  display: inline-block;
  position: relative;
  padding-left: 2.5rem;
}

.hero-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 2rem;
  height: 1px;
  background: var(--mid-gray);
}

.hero-text h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 4vw, 3.8rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--near-black);
  margin-bottom: 2rem;
}

.hero-text h1 strong { font-weight: 600; }

.hero-text p {
  font-size: 1.02rem;
  color: var(--dark-gray);
  line-height: 1.85;
  margin-bottom: 1.2rem;
}

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  animation: float 2.5s ease-in-out infinite;
}

.scroll-indicator span {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mid-gray);
  font-weight: 500;
}

.scroll-indicator svg { width: 16px; height: 16px; stroke: var(--mid-gray); }

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ── PAGE HEADER (interior pages) ── */
.page-header {
  padding: 11rem 3rem 4rem;
  border-bottom: 1px solid var(--light-gray);
  text-align: center;
}

.page-header .section-label {
  justify-content: center;
  display: inline-block;
  margin-bottom: 1.2rem;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 300;
  line-height: 1.15;
  color: var(--near-black);
  max-width: 800px;
  margin: 0 auto 1.2rem;
}

.page-header h1 strong { font-weight: 600; }

.page-header p {
  font-size: 1.05rem;
  color: var(--dark-gray);
  max-width: 640px;
  margin: 0 auto;
}

/* ── BREADCRUMBS ── */
.breadcrumbs {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.4rem 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mid-gray);
}
.breadcrumbs a { color: var(--mid-gray); text-decoration: none; }
.breadcrumbs a:hover { color: var(--near-black); }
.breadcrumbs span { margin: 0 0.5rem; }

/* ── SECTIONS ── */
section { padding: 7rem 3rem; }

.section-inner { max-width: 900px; margin: 0 auto; }

.section-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 1.5rem;
  padding-left: 2.5rem;
  position: relative;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 2rem;
  height: 1px;
  background: var(--mid-gray);
}

.page-header .section-label { padding-left: 0; }
.page-header .section-label::before { display: none; }

.section-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  font-weight: 300;
  line-height: 1.2;
  color: var(--near-black);
  margin-bottom: 2.2rem;
  letter-spacing: -0.005em;
}

.section-inner h2 strong { font-weight: 600; }

.section-inner h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--near-black);
  margin: 2.5rem 0 1rem;
}

.section-inner p {
  font-size: 1.02rem;
  color: var(--dark-gray);
  line-height: 1.85;
  margin-bottom: 1.5rem;
}

.section-inner ul {
  margin: 0 0 1.5rem 1.2rem;
  color: var(--dark-gray);
}
.section-inner ul li { margin-bottom: 0.6rem; padding-left: 0.3rem; }

/* ── DARK SECTION ── */
.dark-section { background: var(--near-black); color: var(--off-white); }
.dark-section .section-label { color: var(--mid-gray); }
.dark-section .section-label::before { background: var(--mid-gray); }
.dark-section h2 { color: var(--off-white); }
.dark-section h3 { color: var(--off-white); }
.dark-section p { color: var(--mid-gray); }

/* ── RECOGNITION GRID ── */
.recognition-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.recognition-card {
  padding: 2.2rem;
  border: 1px solid var(--light-gray);
  border-radius: 2px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.recognition-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}

.recognition-card .year {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 300;
  color: var(--near-black);
  margin-bottom: 0.5rem;
  line-height: 1;
}

.recognition-card .title {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--near-black);
  margin-bottom: 0.4rem;
  line-height: 1.4;
}

.recognition-card .org { font-size: 0.8rem; color: var(--mid-gray); font-weight: 400; }

/* ── STAT GRID ── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}
.stat-card { text-align: center; }
.stat-card .num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 400;
  color: var(--near-black);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.dark-section .stat-card .num { color: var(--off-white); }
.stat-card .lbl {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--mid-gray);
}

/* ── CTA BAND ── */
.cta-band {
  background: var(--off-white);
  text-align: center;
}
.cta-band .section-inner { max-width: 720px; }
.cta-band .section-label { padding-left: 0; display: inline-block; }
.cta-band .section-label::before { display: none; }

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--near-black);
  padding: 1rem 2.4rem;
  border: 1px solid var(--near-black);
  border-radius: 2px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease;
}
.btn:hover { background: transparent; color: var(--near-black); }

.btn-outline {
  color: var(--near-black);
  background: transparent;
}
.btn-outline:hover { background: var(--near-black); color: var(--white); }

/* ── BLOG GRID ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  margin-top: 1rem;
}

.blog-card {
  border: 1px solid var(--light-gray);
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--white);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 44px rgba(0,0,0,0.07);
}

.blog-card .card-body { padding: 2rem; display: flex; flex-direction: column; flex: 1; }

.blog-card .card-meta {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 0.9rem;
}

.blog-card h3 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 500;
  line-height: 1.25;
  color: var(--near-black);
  margin-bottom: 0.9rem;
}

.blog-card p {
  font-size: 0.95rem;
  color: var(--dark-gray);
  line-height: 1.7;
  margin-bottom: 1.4rem;
  flex: 1;
}

.blog-card a.read-more {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--near-black);
  text-decoration: none;
  align-self: flex-start;
  border-bottom: 1px solid var(--near-black);
  padding-bottom: 2px;
}
.blog-card a.read-more:hover { color: var(--accent); border-color: var(--accent); }

.card-link { text-decoration: none; color: inherit; display: block; }

/* ── ARTICLE ── */
.article {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 0 2rem;
}
.article .article-meta {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 1.2rem;
}
.article h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 2.9rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--near-black);
  margin-bottom: 1.5rem;
}
.article h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--near-black);
  margin: 2.5rem 0 1rem;
}
.article p {
  font-size: 1.06rem;
  color: var(--dark-gray);
  line-height: 1.9;
  margin-bottom: 1.5rem;
}
.article ul { margin: 0 0 1.5rem 1.2rem; color: var(--dark-gray); }
.article ul li { margin-bottom: 0.6rem; }
.article blockquote {
  border-left: 2px solid var(--accent);
  padding-left: 1.4rem;
  margin: 2rem 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--near-black);
}

/* ── CONTACT ── */
.contact-wrap {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 1.2rem;
}
.contact-info p { color: var(--dark-gray); margin-bottom: 1.5rem; }

.contact-detail {
  margin-bottom: 1.6rem;
}
.contact-detail .label {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 0.35rem;
}
.contact-detail .value {
  font-size: 1rem;
  color: var(--near-black);
}
.contact-detail a { color: var(--near-black); text-decoration: none; border-bottom: 1px solid var(--light-gray); }
.contact-detail a:hover { border-color: var(--near-black); }

.contact-form label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dark-gray);
  margin-bottom: 0.5rem;
  margin-top: 1.3rem;
}
.contact-form label:first-child { margin-top: 0; }

.contact-form input,
.contact-form textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--near-black);
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: 2px;
  padding: 0.85rem 1rem;
  transition: border-color 0.3s ease;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--near-black);
}
.contact-form textarea { resize: vertical; min-height: 140px; }
.contact-form button { margin-top: 1.6rem; width: 100%; }

.form-status {
  margin-top: 1rem;
  font-size: 0.9rem;
  display: none;
}
.form-status.show { display: block; }
.form-status.ok { color: #2f6f43; }
.form-status.err { color: #a3402e; }

.hidden-field { position: absolute; left: -9999px; }

/* ── FAQ ── */
.faq-item {
  border-bottom: 1px solid var(--light-gray);
  padding: 1.6rem 0;
}
.faq-item h3 {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--near-black);
  margin: 0 0 0.6rem;
}
.faq-item p { margin: 0; font-size: 0.98rem; }

/* ── DIVIDER ── */
.divider {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  border: none;
  border-top: 1px solid var(--light-gray);
}

/* ── FOOTER ── */
footer {
  background: var(--near-black);
  color: var(--off-white);
  padding: 5rem 3rem 2.5rem;
}

.footer-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 3rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.footer-brand .footer-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--white);
  display: block;
  margin-bottom: 0.8rem;
}
.footer-brand p {
  font-size: 0.9rem;
  color: var(--mid-gray);
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 1.2rem;
  font-weight: 600;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.7rem; }
.footer-col ul li a {
  font-size: 0.9rem;
  color: var(--off-white);
  text-decoration: none;
  transition: color 0.3s ease;
}
.footer-col ul li a:hover { color: var(--mid-gray); }

.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p { font-size: 0.78rem; color: var(--mid-gray); }
.footer-bottom .footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}
.footer-bottom .footer-links a {
  font-size: 0.78rem;
  color: var(--mid-gray);
  text-decoration: none;
}
.footer-bottom .footer-links a:hover { color: var(--off-white); }

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

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-image { height: 60vh; position: relative; }
  .hero-text { padding: 3.5rem 2.5rem 4rem; max-width: 100%; }
  section { padding: 5rem 2.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .contact-wrap { gap: 3rem; }
}

@media (max-width: 768px) {
  nav { padding: 1.2rem 1.5rem; }
  nav .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }
  .hero-image { height: 50vh; }
  .hero-text { padding: 2.5rem 1.5rem 3.5rem; }
  .hero-text h1 { font-size: 2.2rem; }
  section { padding: 4rem 1.5rem; }
  .page-header { padding: 8.5rem 1.5rem 3rem; }
  .section-inner h2 { font-size: 1.8rem; }
  .recognition-grid { grid-template-columns: 1fr; gap: 1.2rem; }
  .recognition-card { padding: 1.6rem; }
  .stat-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .blog-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .scroll-indicator { display: none; }
}

@media (max-width: 480px) {
  .hero-image { height: 42vh; }
  .hero-text { padding: 2rem 1.2rem 3rem; }
  .hero-text h1 { font-size: 1.85rem; }
  .hero-text p, .section-inner p { font-size: 0.95rem; }
  section { padding: 3rem 1.2rem; }
}