/* AADHYAAADHVI FOUNDATION - Main Stylesheet */
:root {
  --purple: #5B2D8E;
  --purple-dark: #3D1A5C;
  --green: #2E8B3C;
  --green-light: #3CB371;
  --orange: #F5A623;
  --orange-dark: #E8940F;
  --blue: #4A90D9;
  --red: #C0392B;
  --white: #FAFAF8;
  --gray-100: #F5F5F5;
  --gray-200: #E8E8E8;
  --gray-600: #666;
  --gray-800: #333;
  --navy: #1A1A2E;
  --shadow: 0 4px 24px rgba(91, 45, 142, 0.12);
  --shadow-lg: 0 12px 48px rgba(91, 45, 142, 0.18);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --font-tagline: 'Dancing Script', cursive;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--purple); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--orange); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--navy);
}

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: linear-gradient(135deg, #f8f4fc 0%, #fff 50%, #f0faf2 100%); }

.section-header { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--green);
  margin-bottom: 12px;
}
.section-title { font-size: clamp(1.75rem, 4vw, 2.5rem); margin-bottom: 16px; }
.section-desc { color: var(--gray-600); font-size: 1.05rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 50px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary { background: linear-gradient(135deg, var(--purple), var(--purple-dark)); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); color: #fff; }
.btn-secondary { background: var(--green); color: #fff; }
.btn-secondary:hover { background: var(--green-light); color: #fff; transform: translateY(-2px); }
.btn-outline { background: transparent; border-color: var(--purple); color: var(--purple); }
.btn-outline:hover { background: var(--purple); color: #fff; }
.btn-orange { background: linear-gradient(135deg, var(--orange), var(--orange-dark)); color: #fff; }
.btn-orange:hover { transform: translateY(-2px); box-shadow: var(--shadow); color: #fff; }

/* Page Loader */
.page-loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--navy);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  transition: opacity 0.6s, visibility 0.6s;
}
.page-loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-logo { width: 100px; height: 100px; animation: pulse 1.5s ease-in-out infinite; }
.loader-text { color: #fff; margin-top: 20px; font-family: var(--font-tagline); font-size: 1.5rem; }
.loader-sun {
  width: 60px; height: 60px; border-radius: 50%;
  background: radial-gradient(circle, var(--orange), #FFD166);
  margin-top: 24px;
  animation: spin 3s linear infinite;
}

/* Scroll Progress */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px;
  background: linear-gradient(90deg, var(--purple), var(--orange), var(--green));
  z-index: 1001; width: 0%; transition: width 0.1s;
}

/* Header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
  transition: all var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 24px; max-width: 1200px; margin: 0 auto;
}
.logo-link { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-img { width: 56px; height: 56px; object-fit: contain; }
.logo-text { display: flex; flex-direction: column; }
.logo-name { font-family: var(--font-heading); font-weight: 800; font-size: 1rem; color: var(--purple); letter-spacing: 0.5px; }
.logo-sub { font-size: 0.65rem; font-weight: 700; color: var(--green); letter-spacing: 1.5px; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 8px 14px; font-size: 0.88rem; font-weight: 500;
  color: var(--gray-800); border-radius: 8px; transition: all var(--transition);
}
.main-nav a:hover, .main-nav a.active { color: var(--purple); background: rgba(91,45,142,0.08); }
.header-cta { margin-left: 12px; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--purple); transition: var(--transition); }

/* Hero */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding-top: 80px;
  background: linear-gradient(135deg, #1A1A2E 0%, #2D1B4E 40%, #1A3A2E 100%);
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0.15;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(245,166,35,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(46,139,60,0.12) 0%, transparent 50%);
}
.hero-content { position: relative; z-index: 2; color: #fff; max-width: 680px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.12); backdrop-filter: blur(8px);
  padding: 8px 16px; border-radius: 50px; font-size: 0.85rem;
  margin-bottom: 24px; border: 1px solid rgba(255,255,255,0.2);
}
.hero-title { font-size: clamp(2.2rem, 5vw, 3.5rem); color: #fff; margin-bottom: 8px; }
.hero-tagline {
  font-family: var(--font-tagline); font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--orange); margin-bottom: 20px;
}
.hero-desc { font-size: 1.1rem; opacity: 0.9; margin-bottom: 32px; line-height: 1.8; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-visual {
  position: absolute; right: 5%; top: 50%; transform: translateY(-50%);
  width: 380px; max-width: 40vw; z-index: 2;
}
.hero-logo-large {
  width: 100%; filter: drop-shadow(0 20px 60px rgba(0,0,0,0.4));
  animation: float 6s ease-in-out infinite;
}
.hero-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.shape { position: absolute; border-radius: 50%; opacity: 0.1; }
.shape-1 { width: 300px; height: 300px; background: var(--orange); top: 10%; right: 10%; animation: float 8s ease-in-out infinite; }
.shape-2 { width: 200px; height: 200px; background: var(--green); bottom: 20%; left: 5%; animation: float 6s ease-in-out infinite reverse; }
.shape-3 { width: 150px; height: 150px; background: var(--blue); top: 60%; right: 30%; animation: float 10s ease-in-out infinite; }

/* Stats */
.stats-bar {
  background: linear-gradient(135deg, var(--purple), var(--purple-dark));
  padding: 48px 0; position: relative; overflow: hidden;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-item { color: #fff; }
.stat-number { font-family: var(--font-heading); font-size: 2.5rem; font-weight: 800; color: var(--orange); }
.stat-label { font-size: 0.9rem; opacity: 0.85; margin-top: 4px; }

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px; }
.card {
  background: #fff; border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow);
  transition: all var(--transition);
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.card-img { height: 200px; overflow: hidden; position: relative; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.card:hover .card-img img { transform: scale(1.08); }
.card-body { padding: 24px; }
.card-icon { font-size: 2rem; margin-bottom: 12px; }
.card-title { font-size: 1.15rem; margin-bottom: 8px; }
.card-text { color: var(--gray-600); font-size: 0.92rem; }
.card-link { display: inline-flex; align-items: center; gap: 4px; margin-top: 12px; font-weight: 600; font-size: 0.9rem; }

/* Pillars */
.pillar-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.pillar-card {
  text-align: center; padding: 32px 20px;
  background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow); transition: all var(--transition);
  border-top: 4px solid var(--purple);
}
.pillar-card:nth-child(2) { border-top-color: var(--green); }
.pillar-card:nth-child(3) { border-top-color: var(--orange); }
.pillar-card:nth-child(4) { border-top-color: var(--blue); }
.pillar-card:hover { transform: translateY(-6px); }
.pillar-icon { font-size: 2.5rem; margin-bottom: 16px; }
.pillar-title { font-size: 1.05rem; margin-bottom: 8px; }
.pillar-text { font-size: 0.88rem; color: var(--gray-600); }

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--green) 0%, #1B6B30 100%);
  padding: 64px 0; text-align: center; color: #fff;
  position: relative; overflow: hidden;
}
.cta-banner h2 { color: #fff; font-size: 2rem; margin-bottom: 12px; }
.cta-banner p { opacity: 0.9; margin-bottom: 28px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* Page Hero (inner pages) */
.page-hero {
  padding: 140px 0 60px;
  background: linear-gradient(135deg, var(--purple-dark), var(--purple));
  color: #fff; text-align: center; position: relative; overflow: hidden;
}
.page-hero h1 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 12px; }
.page-hero p { opacity: 0.9; max-width: 600px; margin: 0 auto; font-size: 1.05rem; }
.breadcrumb { margin-top: 20px; font-size: 0.9rem; opacity: 0.8; }
.breadcrumb a { color: var(--orange); }

/* About / Content blocks */
.content-block { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.content-block.reverse { direction: rtl; }
.content-block.reverse > * { direction: ltr; }
.content-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.content-img img { width: 100%; height: 360px; object-fit: cover; }
.content-text h2 { margin-bottom: 16px; }
.content-text p { color: var(--gray-600); margin-bottom: 16px; }

/* Timeline */
.timeline { position: relative; max-width: 700px; margin: 0 auto; padding-left: 40px; }
.timeline::before {
  content: ''; position: absolute; left: 12px; top: 0; bottom: 0;
  width: 3px; background: linear-gradient(to bottom, var(--purple), var(--green));
}
.timeline-item { position: relative; margin-bottom: 32px; padding-left: 24px; }
.timeline-item::before {
  content: ''; position: absolute; left: -34px; top: 6px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--orange); border: 3px solid #fff; box-shadow: 0 0 0 3px var(--purple);
}
.timeline-year { font-weight: 700; color: var(--purple); font-size: 0.9rem; }
.timeline-title { font-weight: 600; margin: 4px 0; }
.timeline-desc { color: var(--gray-600); font-size: 0.92rem; }

/* Accordion */
.accordion-item { border: 1px solid var(--gray-200); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; }
.accordion-header {
  width: 100%; text-align: left; padding: 18px 24px;
  background: #fff; border: none; cursor: pointer;
  font-family: var(--font-heading); font-weight: 600; font-size: 1rem;
  display: flex; justify-content: space-between; align-items: center;
  transition: background var(--transition);
}
.accordion-header:hover { background: var(--gray-100); }
.accordion-header.active { background: rgba(91,45,142,0.06); color: var(--purple); }
.accordion-icon { font-size: 1.2rem; transition: transform var(--transition); }
.accordion-header.active .accordion-icon { transform: rotate(45deg); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.accordion-body-inner { padding: 0 24px 18px; color: var(--gray-600); font-size: 0.95rem; }

/* Team */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 32px; }
.team-card {
  text-align: center; background: #fff; border-radius: var(--radius-lg);
  padding: 32px 24px; box-shadow: var(--shadow); transition: all var(--transition);
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.team-photo {
  width: 140px; height: 140px; border-radius: 50%; object-fit: cover;
  margin: 0 auto 20px; border: 4px solid var(--purple);
  box-shadow: 0 8px 24px rgba(91,45,142,0.2);
}
.team-name { font-size: 1.15rem; margin-bottom: 4px; }
.team-role { color: var(--green); font-weight: 600; font-size: 0.9rem; margin-bottom: 12px; }
.team-bio { color: var(--gray-600); font-size: 0.9rem; }

/* Gallery */
.gallery-filters { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 32px; }
.filter-btn {
  padding: 8px 20px; border-radius: 50px; border: 2px solid var(--gray-200);
  background: #fff; cursor: pointer; font-size: 0.88rem; font-weight: 500;
  transition: all var(--transition);
}
.filter-btn.active, .filter-btn:hover { border-color: var(--purple); background: var(--purple); color: #fff; }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.gallery-item {
  position: relative; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4/3; cursor: pointer;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.gallery-item:hover img { transform: scale(1.1); }
.gallery-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 16px; background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: #fff; font-size: 0.9rem; transform: translateY(100%);
  transition: transform var(--transition);
}
.gallery-item:hover .gallery-caption { transform: translateY(0); }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 10000;
  background: rgba(0,0,0,0.92); display: none;
  align-items: center; justify-content: center; padding: 24px;
}
.lightbox.active { display: flex; }
.lightbox img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius); }
.lightbox-close {
  position: absolute; top: 24px; right: 24px;
  background: none; border: none; color: #fff; font-size: 2rem; cursor: pointer;
}

/* Forms */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 2px solid var(--gray-200);
  border-radius: var(--radius); font-family: var(--font-body); font-size: 0.95rem;
  transition: border-color var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--purple);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-card {
  background: #fff; padding: 40px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); max-width: 640px; margin: 0 auto;
}
.form-success {
  display: none; text-align: center; padding: 32px;
  background: rgba(46,139,60,0.1); border-radius: var(--radius); color: var(--green);
  font-weight: 600;
}

/* Donate */
.donate-tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 40px; }
.donate-tier {
  text-align: center; padding: 32px 20px; border-radius: var(--radius-lg);
  border: 2px solid var(--gray-200); cursor: pointer; transition: all var(--transition);
}
.donate-tier:hover, .donate-tier.selected { border-color: var(--purple); background: rgba(91,45,142,0.04); transform: translateY(-4px); }
.donate-amount { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; color: var(--purple); }
.donate-label { color: var(--gray-600); font-size: 0.9rem; margin-top: 4px; }
.donate-placeholder {
  text-align: center; padding: 48px; background: var(--gray-100);
  border-radius: var(--radius-lg); border: 2px dashed var(--gray-200);
}
.donate-placeholder h3 { margin-bottom: 8px; color: var(--gray-600); }

/* Legal */
.legal-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.legal-card {
  padding: 24px; background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow); border-left: 4px solid var(--purple);
}
.legal-label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: var(--gray-600); }
.legal-value { font-weight: 700; font-size: 1rem; margin-top: 4px; word-break: break-all; }
.badge-80g {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(46,139,60,0.12); color: var(--green);
  padding: 10px 20px; border-radius: 50px; font-weight: 600; font-size: 0.9rem;
}

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info-item { display: flex; gap: 16px; margin-bottom: 24px; }
.contact-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(91,45,142,0.1); display: flex;
  align-items: center; justify-content: center; font-size: 1.3rem; flex-shrink: 0;
}
.contact-map { border-radius: var(--radius-lg); overflow: hidden; height: 300px; border: none; width: 100%; }

/* Testimonials */
.testimonial-slider { max-width: 800px; margin: 0 auto; text-align: center; }
.testimonial-card {
  padding: 40px; background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow); position: relative;
}
.testimonial-quote { font-size: 1.1rem; font-style: italic; color: var(--gray-600); margin-bottom: 20px; }
.testimonial-author { font-weight: 700; color: var(--purple); }

/* Footer */
.site-footer {
  background: var(--navy); color: rgba(255,255,255,0.8);
  padding: 64px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand p { margin-top: 16px; font-size: 0.9rem; line-height: 1.7; }
.footer-logo { width: 64px; height: 64px; }
.footer-title { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.footer-links a:hover { color: var(--orange); }
.footer-contact li { display: flex; gap: 8px; margin-bottom: 10px; font-size: 0.9rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0; text-align: center; font-size: 0.85rem;
}
.footer-legal { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; margin-top: 8px; font-size: 0.8rem; opacity: 0.6; }

/* Back to top */
.back-to-top {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--purple); color: #fff; border: none;
  cursor: pointer; font-size: 1.2rem;
  opacity: 0; visibility: hidden; transition: all var(--transition);
  box-shadow: var(--shadow);
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--orange); transform: translateY(-4px); }

/* Responsive */
@media (max-width: 992px) {
  .hero-visual { display: none; }
  .content-block { grid-template-columns: 1fr; }
  .content-block.reverse { direction: ltr; }
  .pillar-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .main-nav {
    position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
    background: #fff; flex-direction: column; align-items: flex-start;
    padding: 80px 24px 24px; box-shadow: -4px 0 24px rgba(0,0,0,0.1);
    transition: right var(--transition); gap: 0;
  }
  .main-nav.open { right: 0; }
  .main-nav a { width: 100%; padding: 12px 16px; }
  .header-cta { margin: 16px 0 0; width: 100%; }
  .header-cta .btn { width: 100%; }
  .nav-toggle { display: flex; }
  .pillar-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}