/* ============================================
   HOMEPAGE — Hero · Blog · Alumni
   Page-specific styles for index.html
   ============================================ */

/* ===================================================
   HERO
   =================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #0f1a2a;
  padding-bottom: 2rem;
}
/* Smooth curved bottom transition */
.hero::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 80px;
  background: var(--white);
  clip-path: ellipse(55% 100% at 50% 100%);
  z-index: 3;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 1;
  filter: blur(8px) brightness(0.65) saturate(1.15);
  transform: scale(1.06);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0,0,0,.35) 0%,
    rgba(0,0,0,.10) 45%,
    rgba(0,0,0,.40) 100%
  );
  z-index: 1;
}
.hero .container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
  padding-top: 72px;
}
.hero-content {
  flex: 1;
  max-width: 620px;
}
.hero-content .tagline {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  backdrop-filter: blur(8px);
  padding: .4rem 1rem;
  border-radius: var(--radius-full);
  color: var(--blue-200);
  font-size: .85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}
.hero-content h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}
.hero-content h1 span {
  color: var(--amber-400);
}
.hero-content p {
  font-size: 1.1rem;
  color: var(--blue-100);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 520px;
}
.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.15);
}
.hero-stats .stat h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
}
.hero-stats .stat p {
  font-size: .85rem;
  color: var(--blue-200);
  margin-bottom: 0;
}
.hero-image {
  flex: 0 0 420px;
  position: relative;
}
.hero-image-card {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-xl);
  padding: 1rem;
  transform: rotate(2deg);
  transition: transform .5s var(--ease);
}
.hero-image-card:hover {
  transform: rotate(0deg);
}
.hero-image-card img {
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* Floating badge */
.float-badge {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: .75rem 1.25rem;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: .6rem;
  animation: floaty 3s ease-in-out infinite alternate;
}
.float-badge.top    { top: -10px; right: -20px; }
.float-badge.bottom { bottom: 20px; left: -30px; }
.float-badge .icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}
.float-badge .icon.blue  { background: var(--blue-100); color: var(--blue-600); }
.float-badge .icon.green { background: #d1fae5; color: #059669; }
.float-badge .text span    { display: block; font-size: .7rem; color: var(--gray-400); }
.float-badge .text strong  { font-size: .95rem; color: var(--gray-800); }

@keyframes floaty {
  0%   { transform: translateY(0); }
  100% { transform: translateY(-12px); }
}

/* ===================================================
   BLOG
   =================================================== */
.blog {
  padding: var(--section-py) 0;
  background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}
.blog-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: all .35s var(--ease);
}
.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.blog-card .blog-img {
  height: 220px;
  overflow: hidden;
}
.blog-card .blog-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease);
}
.blog-card .blog-img .placeholder-img {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
  transition: transform .5s var(--ease);
}
.blog-card:hover .blog-img .placeholder-img,
.blog-card:hover .blog-img img { transform: scale(1.08); }
.blog-card .blog-body { padding: 1.5rem; }
.blog-card .blog-meta {
  display: flex;
  gap: 1rem;
  font-size: .78rem;
  color: var(--gray-400);
  margin-bottom: .75rem;
}
.blog-card .blog-meta span {
  display: flex;
  align-items: center;
  gap: .3rem;
}
.blog-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: .5rem;
  line-height: 1.4;
}
.blog-card p {
  font-size: .85rem;
  color: var(--gray-500);
  line-height: 1.6;
}
.blog-card .read-more {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  margin-top: 1rem;
  font-size: .85rem;
  font-weight: 600;
  color: var(--blue-600);
  transition: gap .3s var(--ease);
}
.blog-card:hover .read-more { gap: .6rem; }

/* ===================================================
   ALUMNI
   =================================================== */
.alumni {
  padding: var(--section-py) 0;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 50%, var(--blue-700) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.alumni::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(247,197,39,.08) 0%, transparent 70%);
  border-radius: 50%;
}
.alumni .section-header h2 { color: var(--white); }
.alumni .section-header p  { color: var(--blue-200); }
.alumni .section-header .badge {
  background: rgba(255,255,255,.15);
  color: var(--blue-200);
}
.alumni-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}
.alumni-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all .35s var(--ease);
}
.alumni-card:hover {
  background: rgba(255,255,255,.14);
  transform: translateY(-4px);
}
.alumni-card .alumni-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.alumni-card .alumni-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-400), var(--amber-400));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
}
.alumni-card .alumni-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
}
.alumni-card .alumni-header .batch {
  font-size: .8rem;
  color: var(--blue-300);
}
.alumni-card .quote {
  font-style: italic;
  font-size: .9rem;
  color: var(--blue-200);
  line-height: 1.7;
  position: relative;
  padding-left: 1.5rem;
  border-left: 3px solid var(--blue-400);
}
.alumni-card .achievement {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  color: var(--amber-400);
  font-weight: 600;
}

/* ===================================================
   RESPONSIVE — homepage-specific
   =================================================== */
@media (max-width: 1024px) {
  .hero .container {
    flex-direction: column;
    text-align: center;
    padding-top: 120px;
    padding-bottom: 3rem;
  }
  .hero-content { max-width: 100%; }
  .hero-content p { margin: 0 auto 2rem; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; flex-wrap: wrap; }
  .hero-image { flex: none; max-width: 380px; }
  .hero::after { height: 60px; }
}

@media (max-width: 768px) {
  .hero::after { height: 40px; }
  .hero-image { display: none; }
  .hero-btns { flex-direction: column; align-items: center; gap: .75rem; }
  .hero-btns .btn { width: 100%; max-width: 320px; justify-content: center; }
  .hero-stats {
    flex-wrap: wrap;
    gap: 1.25rem;
    justify-content: center;
  }
  .hero-stats .stat {
    flex: 0 0 calc(50% - 1rem);
    text-align: center;
  }
  .hero-content .tagline { font-size: .78rem; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card .blog-img { height: 200px; }
  .alumni-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.75rem; line-height: 1.2; }
  .hero-content p  { font-size: .95rem; }
  .hero .container { padding-top: 100px; }
  .hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    text-align: center;
  }
  .hero-stats .stat { flex: none; }
  .hero-stats .stat h3 { font-size: 1.6rem; }
  .hero-stats .stat p  { font-size: .75rem; }
  .blog-card .blog-img  { height: 180px; }
  .blog-card .blog-body { padding: 1.25rem; }
  .blog-card h3         { font-size: .95rem; }
  .alumni-card          { padding: 1.5rem; }
  .alumni-card .quote   { font-size: .82rem; padding-left: 1rem; }
}

@media (max-width: 360px) {
  .hero-content h1       { font-size: 1.5rem; }
  .hero-stats { grid-template-columns: 1fr; }
  .hero-stats .stat h3   { font-size: 1.4rem; }
}

/* ===================================================
   TOP STUDENTS GRID OVERRIDE (Homepage)
   =================================================== */
#home-rankers-grid {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  #home-rankers-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  #home-rankers-grid {
    grid-template-columns: 1fr;
  }
}