/* ============================================================
   HOME PAGE STYLES — Infra Polytechnic Institute
   ============================================================ */

/* ── Hero Section ── */
.hero {
    min-height: 92vh;
    background: linear-gradient(135deg, rgba(13,51,73,0.65) 0%, rgba(26,82,118,0.45) 50%, rgba(31,97,141,0.35) 100%), url('/static/materials/images/hero-bg.png') center/cover no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 80px 0 60px;
}

/* Semi-transparent dark overlay so white text remains readable */
.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.345);
    z-index: 1;
    pointer-events: none;
}

/* Decorative floating shapes */
.hero::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 500px;
    height: 500px;
    background: rgba(255,255,255,0.04);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 600px;
    height: 600px;
    background: rgba(41,128,185,0.15);
    border-radius: 50%;
}

.hero .container { position: relative; z-index: 3; }

.hero-content {
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
    color: var(--white);
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero-badge {
    display: inline-block;
    background: rgba(243,156,18,0.2);
    border: 1px solid rgba(243,156,18,0.5);
    color: #f9ca24;
    padding: 7px 22px;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 24px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(243,156,18,0.3); }
    50%       { box-shadow: 0 0 0 8px rgba(243,156,18,0); }
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.3;
    margin-bottom: 20px;
}

.hero-title-highlight {
    display: block;
    background: linear-gradient(90deg, #f9ca24, #f0932b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2.4rem;
    margin-top: 6px;
}

.hero-subtitle {
    font-size: 1.08rem;
    color: rgba(255,255,255,0.82);
    max-width: 620px;
    margin: 0 auto 35px;
    line-height: 2;
}

.hero-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 55px;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    /* stronger translucent panel so stats read clearly over the hero image */
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-radius: calc(var(--radius-lg));
    padding: 20px 30px;
    flex-wrap: wrap;
    box-shadow: 0 6px 30px rgba(0,0,0,0.08);
    border: 1px solid rgba(255,255,255,0.06);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 30px;
}

.stat-number {
    font-size: 1.9rem;
    font-weight: 800;
    color: #f9ca24;
    line-height: 1.1;
}

.stat-label {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.75);
    margin-top: 4px;
    font-weight: 400;
}

.stat-divider {
    width: 1px;
    height: 45px;
    background: rgba(255,255,255,0.2);
}

/* ── About Section ── */
.about-section {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content h3 {
    font-size: 1.6rem;
    color: var(--dark);
    margin-bottom: 16px;
}

.about-content p {
    color: var(--gray-600);
    margin-bottom: 18px;
    font-size: 1rem;
    line-height: 2;
}

.about-features {
    margin-top: 25px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.92rem;
    color: var(--text);
    background: var(--gray-100);
    padding: 10px 14px;
    border-radius: 8px;
    border-left: 3px solid var(--secondary);
}

.feature-icon { flex-shrink: 0; font-size: 1rem; }

/* About image card */
.about-img-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-lg);
    padding: 35px;
    color: var(--white);
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.about-img-card::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: rgba(255,255,255,0.06);
    border-radius: 50%;
}

.college-icon-xl {
    font-size: 5rem;
    margin-bottom: 20px;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

.about-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 20px;
}

.a-stat {
    background: rgba(255,255,255,0.12);
    border-radius: 10px;
    padding: 14px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.15);
}

.a-stat strong {
    display: block;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 4px;
}

.a-stat span {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
}

/* ── Video Section ── */
.video-section {
    background: var(--gray-100);
}

.video-layout {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 50px;
    align-items: center;
}

.video-frame-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.video-responsive {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
}

.video-responsive iframe,
.video-responsive video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    background: #000;
}

/* Play button overlay */
.video-play-btn {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    border: none;
    background: transparent;
    padding: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 4;
}
.video-play-btn img { width: 64px; height: 64px; display: block; }
.video-responsive.playing .video-play-btn { display: none; }

.video-info h3 {
    font-size: 1.65rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.video-info p {
    color: var(--gray-600);
    line-height: 2;
    margin-bottom: 22px;
    font-size: 0.97rem;
}

.video-highlights {
    margin-bottom: 28px;
}

.video-highlights li {
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-200);
    color: var(--text);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.video-highlights li:last-child { border-bottom: none; }

/* ── Courses Section ── */
.courses-section {
    background: var(--white);
}

/* Tabs */
.courses-tabs {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 11px 28px;
    border: 2px solid var(--gray-300);
    background: var(--white);
    border-radius: 50px;
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--gray-600);
    transition: var(--transition);
}

.tab-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.tab-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    box-shadow: 0 5px 15px rgba(26,82,118,0.3);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* Course Cards Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.courses-grid.four-col {
    grid-template-columns: repeat(4, 1fr);
}

/* Course Card */
.course-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.course-card-header {
    padding: 24px 22px 18px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

.course-card-header.science   { background: linear-gradient(135deg, #1a5276, #2980b9); color: var(--white); }
.course-card-header.humanities{ background: linear-gradient(135deg, #6c3483, #9b59b6); color: var(--white); }
.course-card-header.business  { background: linear-gradient(135deg, #1e8449, #27ae60); color: var(--white); }
.course-card-header.honours   { background: linear-gradient(135deg, #7d6608, #d4ac0d); color: var(--white); }

.course-icon {
    font-size: 2.4rem;
    line-height: 1;
}

/* Details button */
.course-card-header { position: relative; }
.details-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255,255,255,0.08);
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.12);
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: var(--font);
    font-weight: 700;
    cursor: pointer;
}
.details-btn:hover { background: rgba(255,255,255,0.12); }

/* Modal styles */
.modal { display:none; position:fixed; inset:0; z-index:2000; }
.modal[aria-hidden="false"] { display:flex; align-items:center; justify-content:center; }
.modal-backdrop { position:absolute; inset:0; background:rgba(0,0,0,0.45); }
.modal-content { position:relative; width:100%; max-width:820px; margin:0; background:var(--white); border-radius:12px; overflow:hidden; box-shadow:var(--shadow-lg); max-height:90vh; }

/* mobile: keep modal inset from edges */
@media (max-width:600px){
    .modal-content { margin:0 14px; width: calc(100% - 28px); border-radius:12px; }
    .modal-body { padding:18px; overflow:auto; max-height:84vh; }
    .gallery-item { width:120px; height:90px; }
}
.modal-body { padding:22px; color:var(--dark); font-size:1rem; }
.modal-section-title { font-size:1.05rem; margin:0 0 8px 0; color:var(--primary); font-weight:800; }
.modal-text { line-height:1.7; color:var(--text); }
.modal-gallery { display:flex; gap:10px; flex-wrap:wrap; margin-top:8px; }
.gallery-item { width:160px; height:110px; object-fit:cover; border-radius:8px; box-shadow:var(--shadow); }
.modal-close { position:absolute; top:10px; right:10px; background:transparent; border:0; font-size:1.1rem; cursor:pointer; }

.course-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    display: block;
    border-radius: 8px;
}

.course-card-header h3 {
    font-size: 1.1rem;
    color: var(--white);
    margin: 0;
}

.course-card-body {
    padding: 20px 22px;
    flex: 1;
}

.subjects-label {
    font-size: 0.82rem;
    color: var(--gray-600);
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.subject-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 18px;
}

.subject-tags span {
    background: var(--gray-100);
    color: var(--text);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
    border: 1px solid var(--gray-200);
}

.course-desc {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 18px;
}

.course-duration {
    display: inline-block;
    background: rgba(26,82,118,0.08);
    color: var(--primary);
    padding: 3px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 15px;
}

/* Fee Info */
.course-fee-info {
    background: var(--gray-100);
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 14px;
}

.fee-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px dashed var(--gray-300);
    font-size: 0.88rem;
}

.fee-row:last-child { border-bottom: none; }
.fee-row span { color: var(--gray-600); }
.fee-row strong { color: var(--dark); font-weight: 700; }

/* Scholarship badge */
.scholarship-badge {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    color: var(--white);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.83rem;
    font-weight: 600;
    text-align: center;
}

.course-card-footer {
    padding: 16px 22px 22px;
    background: var(--gray-100);
    border-top: 1px solid var(--gray-200);
}

/* ── Scholarship Section ── */
.scholarship-section {
    background: linear-gradient(135deg, #0d3349 0%, #1a5276 100%);
    color: var(--white);
    padding: 70px 0;
    position: relative;
    overflow: hidden;
}

.scholarship-section::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 350px;
    height: 350px;
    background: rgba(255,255,255,0.04);
    border-radius: 50%;
}

.scholarship-section::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -60px;
    width: 400px;
    height: 400px;
    background: rgba(41,128,185,0.12);
    border-radius: 50%;
}

.scholarship-layout {
    display: flex;
    align-items: center;
    gap: 55px;
    position: relative;
    z-index: 2;
}

.scholarship-icon-big {
    font-size: 7rem;
    flex-shrink: 0;
    filter: drop-shadow(0 0 20px rgba(249,202,36,0.4));
    animation: trophyBounce 2s ease-in-out infinite;
}

@keyframes trophyBounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-8px); }
}

.scholarship-body h2 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 8px;
}

.scholarship-amount {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 10px;
    line-height: 1.9;
}

.scholarship-amount strong {
    font-size: 2rem;
    color: #f9ca24;
    font-weight: 800;
}

.scholarship-note {
    color: rgba(255,255,255,0.7);
    font-size: 0.92rem;
    margin-bottom: 30px;
    line-height: 1.9;
}

.scholarship-types {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.sch-type {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 12px;
    padding: 18px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    transition: var(--transition);
}

.sch-type:hover {
    background: rgba(255,255,255,0.14);
    transform: translateY(-3px);
}

.sch-icon { font-size: 1.8rem; flex-shrink: 0; }
.sch-type strong { display: block; color: var(--white); font-size: 0.95rem; margin-bottom: 4px; }
.sch-type p { font-size: 0.82rem; color: rgba(255,255,255,0.65); margin: 0; }

/* ── Admission Steps ── */
.apply-section { background: var(--gray-100); }

.steps-wrapper {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    position: relative;
    margin-bottom: 50px;
}

.steps-wrapper::before {
    content: '';
    position: absolute;
    top: 35px;
    left: calc(12.5% + 20px);
    right: calc(12.5% + 20px);
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    z-index: 0;
}

.step-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.step-number {
    width: 52px;
    height: 52px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    font-weight: 800;
    margin: 0 auto 18px;
    box-shadow: 0 4px 15px rgba(26,82,118,0.3);
    border: 4px solid var(--white);
    outline: 2px solid var(--primary);
}

.step-icon { font-size: 2rem; margin-bottom: 10px; }

.step-card h4 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.step-card p {
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.8;
}

.apply-cta { text-align: center; }

/* Notice styles removed */

/* ── Responsive ── */
@media (max-width: 1100px) {
    .courses-grid.four-col { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
    .hero-title { font-size: 2.4rem; }
    .hero-title-highlight { font-size: 2rem; }
    .about-grid { grid-template-columns: 1fr; }
    .about-img-card { max-width: 500px; margin: 0 auto; }
    .video-layout { grid-template-columns: 1fr; }
    .courses-grid { grid-template-columns: repeat(2, 1fr); }
    .scholarship-layout { flex-direction: column; text-align: center; }
    .scholarship-types { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; }
    .steps-wrapper { grid-template-columns: repeat(2, 1fr); }
    .steps-wrapper::before { display: none; }
    /* notice grid removed */
    .about-features { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .hero { min-height: auto; padding: 60px 0 50px; }
    .hero-title { font-size: 1.8rem; }
    .hero-title-highlight { font-size: 1.5rem; }
    .hero-stats { gap: 0; padding: 16px 10px; }
    .stat-item { padding: 8px 14px; }
    .stat-number { font-size: 1.5rem; }
    .stat-divider { height: 35px; }
    .courses-grid { grid-template-columns: 1fr; }
    .scholarship-icon-big { font-size: 5rem; }
    .steps-wrapper { grid-template-columns: 1fr; }
    .hero-actions { gap: 12px; }
    .hero-actions .btn { padding: 13px 22px; font-size: 0.97rem; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 1.5rem; }
    .hero-title-highlight { font-size: 1.25rem; }
    .hero-stats { flex-direction: column; }
    .stat-divider { width: 60px; height: 1px; }
    .scholarship-body h2 { font-size: 1.5rem; }
    .scholarship-amount strong { font-size: 1.6rem; }
    .about-stats-grid { grid-template-columns: 1fr 1fr; }
}