/* ========== CSS VARIABLES & RESETS ========== */
:root {
    --tnu-red: #b63136;
    --tnu-red-hover: #9c272a;
    --bg-light: #ffffff;
    --bg-light-alt: #f1f5f9;
    --text-dark: #212529;
    --text-muted: #64748b;
    --accent-glow: rgba(182, 49, 54, 0.4);
    --glass-border: rgba(0, 0, 0, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 { color: #111827; line-height: 1.3; }
a { text-decoration: none; color: inherit; transition: 0.3s ease; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { font-size: 2.5rem; font-weight: 700; margin-bottom: 10px; }
.section-title .line { height: 4px; width: 60px; background: var(--tnu-red); margin: 0 auto; border-radius: 2px; }
.section-title p { color: var(--text-muted); margin-top: 15px; font-size: 1.1rem; max-width: 600px; margin-inline: auto; }

.btn { display: inline-block; padding: 12px 28px; border-radius: 6px; font-weight: 600; cursor: pointer; transition: all 0.3s ease; border: none; }
.btn-primary { background-color: var(--tnu-red); color: #fff; box-shadow: 0 4px 15px var(--accent-glow); }
.btn-primary:hover { background-color: var(--tnu-red-hover); transform: translateY(-2px); box-shadow: 0 6px 20px var(--accent-glow); color: #fff;}
.btn-white { background-color: #fff; color: var(--tnu-red); }
.btn-white:hover { background-color: #f8fafc; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.1); }

/* ========== NAVBAR ========== */
.navbar { position: fixed; top: 0; width: 100%; background-color: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--glass-border); z-index: 1000; transition: all 0.3s ease; }
.nav-container { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo-container { padding: 5px 0px; display: flex; align-items: center; }
.logo { height: 40px; object-fit: contain; }
.nav-links { display: flex; gap: 30px; }
.nav-links a { font-weight: 500; font-size: 1rem; color: var(--text-dark); }
.nav-links a:hover { color: var(--tnu-red); }
.menu-toggle { display: none; background: none; border: none; color: var(--text-dark); font-size: 1.5rem; cursor: pointer; }

/* ========== HERO SECTION ========== */
.hero { min-height: 100vh; display: flex; align-items: center; position: relative; padding-top: 80px; }
.hero-bg { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    z-index: 1; 
    overflow: hidden;
}
.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #ffeaeb;
    opacity: 0.9;
    z-index: 2;
}
.hero-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-container { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 400px; gap: 60px; align-items: center; }
.badge { display: inline-block; background-color: rgba(182, 49, 54, 0.08); color: var(--tnu-red); padding: 6px 14px; border-radius: 20px; font-size: 0.85rem; font-weight: 600; border: 1px solid rgba(182, 49, 54, 0.2); margin-bottom: 20px; }
.hero-title { font-size: 3.5rem; font-weight: 900; margin-bottom: 20px; color: #111827; }
.hero-title .highlight { color: var(--tnu-red); text-shadow: 0 2px 10px rgba(182, 49, 54, 0.2); }
.hero-subtitle { font-size: 1.2rem; color: var(--text-muted); margin-bottom: 40px; max-width: 600px; }
.hero-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; max-width: 500px; }
.stat-item { display: flex; align-items: center; gap: 10px; background: #fff; padding: 10px 15px; border-radius: 8px; font-weight: 500; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05); border: 1px solid var(--glass-border); }
.stat-item i { color: var(--tnu-red); font-size: 1.2rem; }
.hero-form-wrapper { background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(20px); border: 1px solid rgba(255, 255, 255, 1); padding: 35px 30px; border-radius: 12px; box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08); }
.float-anim { 
    animation: float 6s ease-in-out infinite; 
    will-change: transform;
}
@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-15px); } 100% { transform: translateY(0px); } }
.form-header h2 { 
    font-size: 1.5rem; 
    background: var(--tnu-red); 
    color: #fff; 
    padding: 10px 20px; 
    border-radius: 6px; 
    display: block; 
    margin-bottom: 12px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
.form-header p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 25px; }
.form-group { margin-bottom: 15px; }
.form-group input, .form-group select { width: 100%; padding: 14px; background: #f8fafc; border: 1px solid #cbd5e1; border-radius: 6px; color: var(--text-dark); font-size: 1rem; outline: none; transition: 0.3s; }
.form-group input:focus, .form-group select:focus { border-color: var(--tnu-red); box-shadow: 0 0 0 3px rgba(182, 49, 54, 0.15); background: #fff; }
.btn-submit { width: 100%; background: var(--tnu-red); color: #fff; padding: 15px; font-size: 1.1rem; display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 10px; cursor: pointer; border: none; border-radius: 6px; }
.btn-submit:hover { background: var(--tnu-red-hover); box-shadow: 0 6px 20px var(--accent-glow); }
.form-footer { text-align: center; font-size: 0.8rem; color: var(--text-muted); margin-top: 15px; }

/* ========== VALIDATION STYLES ========== */
.form-group { position: relative; }
.form-control.error { border-color: #ef4444 !important; background: #fef2f2 !important; }
.error-message { color: #ef4444; font-size: 0.75rem; margin-top: 4px; display: none; margin-left: 2px; }
.form-group.has-error .error-message { display: block; }
.form-group.has-error input, .form-group.has-error select { border-color: #ef4444; background: #fef2f2; }

/* ========== AFFILIATION & ACCREDITATION ========== */
.accreditation-section { padding: 40px 0; background: #fff; border-bottom: 1px solid var(--glass-border); }
.acc-grid { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 40px; }
.acc-item { display: flex; align-items: center; gap: 10px; font-weight: 600; color: #111827; }
.acc-item i { font-size: 1.8rem; color: var(--tnu-red); }
.acc-divider { color: #cbd5e1; font-size: 1.5rem; font-weight: 300; user-select: none; }

.acc-details-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.acc-card { background: #fff; padding: 40px; border-radius: 12px; border: 1px solid var(--glass-border); transition: 0.3s; box-shadow: 0 10px 30px rgba(0,0,0,0.02); }
.acc-card:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.05); border-color: rgba(182, 49, 54, 0.2); }
.acc-card h3 { margin-bottom: 20px; color: #111827; border-left: 4px solid var(--tnu-red); padding-left: 15px; font-size: 1.6rem; }
.acc-card.alt { background: var(--bg-light-alt); }

/* ========== COURSE OVERVIEW (WITH IMAGE) ========== */
.about-course { background-color: var(--bg-light-alt); content-visibility: auto; contain-intrinsic-size: 1px 500px; }
.overview-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.overview-image { border-radius: 12px; overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.overview-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.overview-image:hover img { transform: scale(1.05); }
.overview-grid { display: flex; flex-direction: column; gap: 20px; }
.overview-card { background: #fff; border: 1px solid var(--glass-border); padding: 30px; border-radius: 12px; transition: 0.4s ease; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02); display: flex; gap: 20px; align-items: flex-start; }
.overview-card:hover { transform: translateY(-5px); border-color: rgba(182, 49, 54, 0.3); box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08); }
.card-icon { width: 50px; height: 50px; flex-shrink: 0; background: rgba(182, 49, 54, 0.08); color: var(--tnu-red); border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 1.5rem; transition: 0.3s; }
.overview-card:hover .card-icon { background: var(--tnu-red); color: #fff; box-shadow: 0 5px 15px var(--accent-glow); }
.card-content h3 { margin-bottom: 8px; font-size: 1.3rem; color: #111827; }
.card-content p { color: var(--text-muted); font-size: 0.95rem; }

/* ========== TOOLS MARQUEE ========== */
.tools-section { position: relative; overflow: hidden; background-color: var(--bg-light); border-top: 1px solid var(--glass-border); border-bottom: 1px solid var(--glass-border); }
.marquee-container { width: 100%; overflow: hidden; padding: 40px 0; position: relative; display: flex; white-space: nowrap; }
.marquee-container::before, .marquee-container::after { position: absolute; top: 0; width: 250px; height: 100%; content: ""; z-index: 2; }
.marquee-container::before { left: 0; background: linear-gradient(to right, var(--bg-light) 0%, transparent 100%); }
.marquee-container::after { right: 0; background: linear-gradient(to left, var(--bg-light) 0%, transparent 100%); }
.marquee-content { 
    display: flex; 
    gap: 60px; 
    animation: scroll 30s linear infinite; 
    padding-left: 60px; 
    will-change: transform;
}
.tech-card { display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 120px; }
.tech-card img { height: 50px; object-fit: contain; margin-bottom: 10px; }
.tech-card span { font-size: 0.9rem; color: var(--text-dark); font-weight: 600; }
@keyframes scroll { 0% { transform: translateX(0); } 100% { transform: translateX(calc(-50% - 30px)); } }

/* ========== MID PAGE CTA ========== */
.mid-cta-section { background-color: #fff; padding: 100px 0; }
.mid-cta-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; background: #f8fafc; border-radius: 24px; padding: 60px; border: 1px solid var(--glass-border); position: relative; overflow: hidden; }
.mid-cta-content h2 { font-size: 2.8rem; margin-bottom: 20px; font-weight: 800; color: #111827; }
.mid-cta-content p { font-size: 1.15rem; color: var(--text-muted); margin-bottom: 35px; line-height: 1.8; }
.cta-btns { display: flex; gap: 15px; flex-wrap: wrap; }
.mid-cta-image { border-radius: 16px; overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.mid-cta-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.mid-cta-wrapper:hover .mid-cta-image img { transform: scale(1.05); }

/* ========== JOB ROLES ========== */
.careers-section { background-color: var(--bg-light-alt); }
.roles-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.role-card { background: #fff; border: 1px solid var(--glass-border); padding: 30px 20px; border-radius: 8px; display: flex; align-items: center; gap: 15px; transition: 0.3s; box-shadow: 0 4px 6px rgba(0,0,0,0.02); }
.role-card:hover { 
    transform: translateY(-8px); 
    border-color: var(--tnu-red); 
    box-shadow: 0 15px 35px rgba(182, 49, 54, 0.12); 
    background: #fdf2f2;
}
.role-card:hover .role-icon { color: var(--tnu-red-hover); transform: scale(1.1); transition: 0.3s; }
.role-icon { font-size: 2rem; color: var(--tnu-red); }
.role-card h4 { font-size: 1.1rem; font-weight: 600; color: #111827; }
.role-card small { color: var(--text-muted); }

/* ========== CAREER & PLACEMENTS ========== */
.placements-section { background-color: #fff; content-visibility: auto; contain-intrinsic-size: 1px 800px; }
.placement-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.placement-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat-box { background: var(--bg-light-alt); padding: 30px; border-radius: 12px; text-align: center; border: 1px solid var(--glass-border); }
.stat-box h3 { font-size: 2.5rem; color: var(--tnu-red); margin-bottom: 5px; }
.stat-box p { color: var(--text-dark); font-weight: 500; }

.stat-box-large { background: #fff; padding: 40px 20px; border-radius: 16px; text-align: center; border: 1px solid var(--glass-border); box-shadow: 0 10px 30px rgba(0,0,0,0.03); transition: 0.3s ease; }
.stat-box-large:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(182, 49, 54, 0.1); border-color: rgba(182, 49, 54, 0.2); }
.stat-box-large h3 { font-size: 3rem; color: var(--tnu-red); margin-bottom: 10px; font-weight: 900; }
.stat-box-large p { color: var(--text-dark); font-weight: 600; font-size: 1.1rem; }
.recruiters-box { background: #f8fafc; padding: 40px; border-radius: 12px; border: 1px solid var(--glass-border); }
.recruiters-box h3 { margin-bottom: 20px; color: #111827; }
.recruiters-grid { display: flex; flex-wrap: wrap; gap: 15px; }
.recruiter-tag { background: #fff; padding: 8px 16px; border-radius: 20px; font-weight: 500; font-size: 0.95rem; color: var(--text-dark); border: 1px solid var(--glass-border); box-shadow: 0 2px 5px rgba(0,0,0,0.02); }

/* ========== MENTORS & INFRASTRUCTURE ========== */
.mentors-section { background-color: var(--bg-light-alt); }
.split-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.mentors-box, .infra-box { background: #fff; border: 1px solid var(--glass-border); padding: 40px; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.03); }
.mentors-box h3, .infra-box h3 { margin-bottom: 25px; font-size: 1.8rem; border-left: 4px solid var(--tnu-red); padding-left: 15px; color: #111827; }
.mentor-item { display: flex; gap: 20px; align-items: flex-start; }
.mt-4 { margin-top: 30px; }
.mentor-avatar { font-size: 3rem; color: #cbd5e1; background: #f1f5f9; border-radius: 50%; width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; overflow: hidden; }
.mentor-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.mentor-info h4 { font-size: 1.2rem; margin-bottom: 5px; color: #111827; }
.mentor-info p { color: var(--text-muted); font-size: 0.95rem; }
.infra-list { display: flex; flex-direction: column; gap: 15px; }
.infra-list li { display: flex; align-items: center; gap: 15px; color: var(--text-muted); font-weight: 500; }
.infra-list li i { color: #10b981; font-size: 1.2rem; flex-shrink: 0;}

/* ========== CAMPUS LIFE ========== */
.campus-section { background-color: #fff; }
.campus-wrapper { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: center; }
.campus-image { border-radius: 12px; overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.campus-content h3 { font-size: 2rem; margin-bottom: 20px; }
.campus-content p { margin-bottom: 20px; color: var(--text-muted); }
.campus-features { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.feature-item { background: var(--bg-light-alt); padding: 15px; border-radius: 8px; display: flex; align-items: center; gap: 15px; }
.feature-item i { color: var(--tnu-red); font-size: 1.5rem; }

/* ========== FAQS SECTION ========== */
.faq-section { background-color: var(--bg-light-alt); }
.faq-container { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 15px; }
details { background: #fff; border: 1px solid var(--glass-border); border-radius: 8px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.02); }
summary { padding: 20px; font-weight: 600; font-size: 1.1rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary:after { content: '\f0d7'; font-family: 'Font Awesome 6 Free'; font-weight: 900; color: var(--tnu-red); transition: 0.3s; }
details[open] summary:after { transform: rotate(180deg); }
.faq-content { padding: 0 20px 20px 20px; color: var(--text-muted); border-top: 1px solid var(--glass-border); margin-top: 10px; padding-top: 15px; }

/* ========== CTA BANNER ========== */
.cta-banner { background: linear-gradient(135deg, var(--tnu-red), #e63946); padding: 70px 0; color: #fff; text-align: center; }
.cta-banner h2 { color: #fff; font-size: 2.5rem; margin-bottom: 20px; }
.cta-banner p { font-size: 1.1rem; margin-bottom: 30px; opacity: 0.9; }

/* ========== FOOTER ========== */
.footer { background-color: #f8fafc; padding: 60px 0 20px; border-top: 4px solid var(--tnu-red); }
.footer-container { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-logo { height: 60px; background: #fff; padding: 0; margin-bottom: 15px; }
.footer-col p { color: var(--text-muted); margin-bottom: 10px; display: flex; align-items: flex-start; gap: 10px; }
.footer-col h4 { font-size: 1.5rem; margin-bottom: 20px; color: #111827; }
.social-links { display: flex; gap: 15px; margin-top: 20px; }
.social-links a { width: 40px; height: 40px; background: #e2e8f0; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 1.2rem; color: var(--text-dark); }
.social-links a:hover { background: var(--tnu-red); color: #fff; transform: translateY(-3px); }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid #e2e8f0; color: var(--text-muted); font-size: 0.9rem; }

/* ========== POPUP MODAL (Redesigned) ========== */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(10px);
    z-index: 2000;
    display: none; /* Hidden by default */
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.4s ease;
}

.popup-overlay.active { display: flex; }

.popup-content {
    background: #fff;
    width: 400px;
    height: 457px;
    max-width: 100%;
    border-radius: 12px;
    padding: 0;
    position: relative;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    transform: translateY(30px);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.15);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.popup-overlay.active .popup-content { transform: translateY(0); }

.popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: 0.3s;
    z-index: 10;
}

.popup-close:hover { background: #fff; color: var(--tnu-red); }

.popup-header-banner {
    background: var(--tnu-red);
    color: #fff;
    padding: 18px 20px 14px; /* Reduced bottom padding */
    text-align: center;
}

.popup-header-banner h3 {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 2px;
    color: #fff;
    text-transform: none;
    letter-spacing: -0.5px;
}

.popup-header-banner p {
    font-size: 0.85rem;
    color: #fff;
    opacity: 0.95;
    max-width: 280px;
    margin: 0 auto;
    line-height: 1.4;
}

.popup-body {
    padding: 10px 30px 30px; /* Reduced top padding */
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start; /* Move everything up */
}

.popup-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--tnu-red);
    text-transform: uppercase;
    margin-bottom: 20px; /* Increased gap under title */
    display: inline-block;
    position: relative;
}

.popup-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--tnu-red);
}

.popup-form {
    text-align: left;
}

.popup-form .form-group {
    margin-bottom: 12px;
}

.popup-form .form-group input, 
.popup-form .form-group select {
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    padding: 10px;
    font-size: 0.95rem;
}

.popup-form .btn-submit {
    background: var(--tnu-red);
    color: #fff;
    border-radius: 6px;
    padding: 12px;
    font-weight: 800;
    font-size: 1.1rem;
    margin-top: 5px;
    box-shadow: 0 6px 12px rgba(182, 49, 54, 0.2);
}

.popup-form .btn-submit:hover {
    background: var(--tnu-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 15px 25px rgba(182, 49, 54, 0.3);
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ========== ANIMATION CLASSES ========== */
.reveal { 
    opacity: 0; 
    transform: translateY(30px); 
    transition: all 0.8s ease-out; 
    will-change: transform, opacity;
}
.reveal.active { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.fade-in-up { 
    animation: fadeInUp 1s ease-out; 
    will-change: transform, opacity;
}
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* ========== MEDIA QUERIES ========== */

/* ---------- Tablet (≤992px) ---------- */
@media (max-width: 992px) {
    .hero-container, .overview-wrapper, .placement-wrapper, .split-layout, .campus-wrapper, .mid-cta-wrapper { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .hero-stats { justify-content: center; }
    .hero-subtitle { margin-inline: auto; }
    .hero-form-wrapper { max-width: 500px; margin: 0 auto; }
    .overview-card, .mentor-item, .feature-item { text-align: left; }
    .mid-cta-wrapper { padding: 40px 25px; }
    .mid-cta-content h2 { font-size: 2.2rem; }
    .cta-btns { justify-content: center; }
    .campus-features { grid-template-columns: 1fr 1fr; }
}

/* ---------- Small Tablet / Large Phone (≤768px) ---------- */
@media (max-width: 768px) {
    .navbar { padding: 5px 0; }
    .nav-container { height: 60px; }
    .nav-links, .nav-actions { display: none; }
    .nav-links.active { display: flex; flex-direction: column; position: absolute; top: 60px; left: 0; width: 100%; background: rgba(255, 255, 255, 0.98); padding: 20px; border-bottom: 1px solid var(--glass-border); box-shadow: 0 10px 30px rgba(0,0,0,0.08); }
    .menu-toggle { display: block; }

    /* Hero */
    .hero { padding-top: 110px; padding-bottom: 40px; height: auto; min-height: auto; }
    .hero-bg { background-position: center; opacity: 1; }
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1rem; }
    .hero-container { grid-template-columns: 1fr; gap: 30px; }
    .hero-stats { margin: 0 auto; justify-content: center; }
    .stat-item { width: auto; font-size: 0.85rem; padding: 8px 12px; }
    .badge { font-size: 0.75rem; padding: 5px 12px; }

    /* Accreditation */
    .accreditation-section { padding: 25px 0; }
    .acc-grid { gap: 12px; flex-direction: column; }
    .acc-item { width: 100%; justify-content: center; font-size: 0.9rem; }
    .acc-item i { font-size: 1.4rem; }
    .acc-divider { display: none; }
    .acc-details-grid { grid-template-columns: 1fr; }
    .acc-card { padding: 25px 20px; }
    .acc-card h3 { font-size: 1.3rem; }

    /* Sections */
    .section { padding: 50px 0; }
    .section-title { margin-bottom: 30px; }
    .section-title h2 { font-size: 1.8rem; }
    .section-title p { font-size: 0.95rem; }

    /* Overview */
    .overview-card { padding: 20px; gap: 15px; }
    .card-icon { width: 40px; height: 40px; font-size: 1.2rem; }
    .card-content h3 { font-size: 1.1rem; }
    .card-content p { font-size: 0.85rem; }

    /* Marquee */
    .marquee-container::before, .marquee-container::after { width: 60px; }
    .marquee-content { gap: 40px; }
    .tech-card { min-width: 90px; }
    .tech-card img { height: 40px; }
    .tech-card span { font-size: 0.75rem; }

    /* Mid-CTA */
    .mid-cta-section { padding: 50px 0; }
    .mid-cta-wrapper { padding: 30px 20px; border-radius: 16px; gap: 30px; }
    .mid-cta-content h2 { font-size: 1.8rem; }
    .mid-cta-content p { font-size: 1rem; margin-bottom: 25px; }
    .cta-btns { flex-direction: column; align-items: stretch; }
    .cta-btns .btn { text-align: center; padding: 14px 20px; font-size: 0.95rem; }

    /* Job Roles */
    .roles-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .role-card { padding: 20px 15px; gap: 10px; }
    .role-icon { font-size: 1.5rem; }
    .role-card h4 { font-size: 0.95rem; }

    /* Placements */
    .placement-stats-new { grid-template-columns: 1fr 1fr !important; gap: 12px !important; }
    .stat-box-large { padding: 25px 15px; }
    .stat-box-large h3 { font-size: 2rem; }
    .stat-box-large p { font-size: 0.9rem; }
    .stat-box h3 { font-size: 1.8rem; }
    .recruiters-box { padding: 25px 20px; }
    .recruiter-tag { padding: 6px 12px; font-size: 0.85rem; }

    /* Mentors */
    .mentors-box, .infra-box { padding: 25px 20px; }
    .mentors-box h3, .infra-box h3 { font-size: 1.4rem; padding-left: 12px; }
    .mentor-item { gap: 15px; }

    /* Campus */
    .campus-content h3 { font-size: 1.6rem; }
    .campus-features { grid-template-columns: 1fr; gap: 12px; }
    .feature-item { padding: 12px; gap: 10px; }

    /* CTA Banner */
    .cta-banner { padding: 50px 0; }
    .cta-banner h2 { font-size: 1.8rem; }
    .cta-banner p { font-size: 0.95rem; }

    /* FAQs */
    .faq-container summary { font-size: 1rem; padding: 15px; }
    .faq-content { padding: 0 15px 15px 15px; font-size: 0.9rem; }

    /* Footer */
    .footer { padding: 40px 0 15px; }
    .footer-container { grid-template-columns: 1fr; gap: 30px; }
    .footer-col h4 { font-size: 1.3rem; margin-bottom: 15px; }
    .footer-col p { font-size: 0.85rem; }
    .footer-logo { height: 45px; }

    /* Popup */
    .popup-content { width: 400px; height: 457px; max-width: 95%; }
}

/* ---------- Small Phone (≤480px) ---------- */
@media (max-width: 480px) {
    .container { padding: 0 12px; }

    /* Hero */
    .hero { padding-top: 105px; padding-bottom: 30px; }
    .hero-title { font-size: 1.7rem; }
    .hero-subtitle { font-size: 0.9rem; margin-bottom: 25px; }
    .hero-form-wrapper { padding: 22px 16px; }
    .form-header h2 { font-size: 1.5rem; }
    .form-header p { font-size: 0.8rem; margin-bottom: 18px; }
    .form-group input, .form-group select { padding: 12px; font-size: 0.9rem; }
    .btn-submit { padding: 13px; font-size: 1rem; }
    .logo { height: 32px; }
    .hero-stats { gap: 8px; }
    .stat-item { padding: 8px 12px; font-size: 0.85rem; }

    /* Sections */
    .section { padding: 40px 0; }
    .section-title { margin-bottom: 25px; }
    .section-title h2 { font-size: 1.5rem; }
    .section-title p { font-size: 0.85rem; }

    /* Overview */
    .overview-card { padding: 18px 15px; }
    .card-icon { width: 38px; height: 38px; font-size: 1.1rem; }
    .card-content h3 { font-size: 1rem; }
    .card-content p { font-size: 0.8rem; }

    /* Mid-CTA */
    .mid-cta-section { padding: 40px 0; }
    .mid-cta-wrapper { padding: 25px 15px; border-radius: 12px; }
    .mid-cta-content h2 { font-size: 1.5rem; line-height: 1.3; }
    .mid-cta-content p { font-size: 0.9rem; line-height: 1.6; margin-bottom: 20px; }
    .mid-cta-content .badge { font-size: 0.7rem; }

    /* Job Roles */
    .roles-grid { grid-template-columns: 1fr; gap: 10px; }
    .role-card { padding: 18px 15px; }
    .role-icon { font-size: 1.4rem; }
    .role-card h4 { font-size: 0.9rem; }

    /* Placements */
    .placement-stats-new { grid-template-columns: 1fr 1fr !important; gap: 10px !important; }
    .stat-box-large { padding: 20px 10px; border-radius: 12px; }
    .stat-box-large h3 { font-size: 1.6rem; }
    .stat-box-large p { font-size: 0.8rem; }
    .recruiters-box { padding: 20px 15px; }
    .recruiters-grid { gap: 8px; }
    .recruiter-tag { padding: 5px 10px; font-size: 0.8rem; }

    /* Mentors */
    .mentors-box, .infra-box { padding: 20px 15px; }
    .mentors-box h3, .infra-box h3 { font-size: 1.2rem; }
    .mentor-avatar { width: 50px; height: 50px; }
    .mentor-info h4 { font-size: 1rem; }
    .mentor-info p { font-size: 0.85rem; }
    .infra-list li { font-size: 0.85rem; gap: 10px; }

    /* Campus */
    .campus-content h3 { font-size: 1.4rem; }
    .campus-content p { font-size: 0.9rem; }
    .feature-item { font-size: 0.85rem; }
    .feature-item i { font-size: 1.2rem; }

    /* CTA Banner */
    .cta-banner { padding: 40px 0; }
    .cta-banner h2 { font-size: 1.5rem; margin-bottom: 15px; }
    .cta-banner p { font-size: 0.9rem; margin-bottom: 20px; }

    /* FAQs */
    .faq-container summary { font-size: 0.9rem; padding: 14px 12px; }
    .faq-content { font-size: 0.85rem; padding: 0 12px 12px 12px; }

    /* Footer */
    .footer { padding: 30px 0 12px; }
    .footer-col p { font-size: 0.8rem; gap: 8px; }
    .footer-col h4 { font-size: 1.2rem; }
    .footer-logo { height: 40px; }
    .social-links a { width: 35px; height: 35px; font-size: 1rem; }
    .footer-bottom { font-size: 0.75rem; padding-top: 15px; }

    /* Popup */
    .popup-content { width: 360px; height: auto; max-width: 95%; min-height: unset; }
    .popup-header-banner { padding: 15px 12px; }
    .popup-body { padding: 15px 12px; }
}

/* ---------- Extra Small / 320px (≤330px) ---------- */
@media (max-width: 330px) {
    .container { padding: 0 10px; }

    /* Hero */
    .hero { padding-top: 100px; }
    .hero-title { font-size: 1.45rem; line-height: 1.3; }
    .hero-subtitle { font-size: 0.85rem; }
    .hero-form-wrapper { padding: 18px 12px; border-radius: 10px; }
    .form-header h2 { font-size: 1.35rem; }
    .form-header p { font-size: 0.75rem; }
    .form-group { margin-bottom: 10px; }
    .form-group input, .form-group select { padding: 10px; font-size: 0.85rem; }
    .btn-submit { font-size: 0.9rem; padding: 11px; }
    .form-footer { font-size: 0.7rem; }
    .logo { height: 28px; }
    .badge { font-size: 0.65rem; padding: 4px 10px; }
    .stat-item { padding: 7px 10px; font-size: 0.8rem; }
    .stat-item i { font-size: 1rem; }

    /* Sections */
    .section { padding: 35px 0; }
    .section-title h2 { font-size: 1.35rem; }
    .section-title p { font-size: 0.8rem; }
    .section-title { margin-bottom: 20px; }

    /* Accreditation */
    .accreditation-section { padding: 20px 0; }
    .acc-item { font-size: 0.8rem; }
    .acc-item i { font-size: 1.2rem; }
    .acc-card { padding: 20px 15px; }
    .acc-card h3 { font-size: 1.15rem; padding-left: 10px; }

    /* Overview */
    .overview-card { padding: 15px 12px; gap: 12px; }
    .card-icon { width: 35px; height: 35px; font-size: 1rem; }
    .card-content h3 { font-size: 0.95rem; }
    .card-content p { font-size: 0.78rem; }

    /* Marquee */
    .marquee-container { padding: 25px 0; }
    .marquee-container::before, .marquee-container::after { width: 30px; }
    .marquee-content { gap: 30px; padding-left: 30px; }
    .tech-card { min-width: 70px; }
    .tech-card img { height: 30px; }
    .tech-card span { font-size: 0.65rem; }

    /* Mid-CTA */
    .mid-cta-section { padding: 30px 0; }
    .mid-cta-wrapper { padding: 20px 12px; border-radius: 10px; gap: 20px; }
    .mid-cta-content h2 { font-size: 1.3rem; }
    .mid-cta-content p { font-size: 0.8rem; margin-bottom: 15px; }
    .cta-btns .btn { padding: 12px 16px; font-size: 0.85rem; }

    /* Job Roles */
    .roles-grid { gap: 8px; }
    .role-card { padding: 15px 12px; gap: 10px; }
    .role-icon { font-size: 1.2rem; }
    .role-card h4 { font-size: 0.85rem; }
    .role-card small { font-size: 0.7rem; }

    /* Placements */
    .stat-box-large { padding: 15px 8px; }
    .stat-box-large h3 { font-size: 1.3rem; margin-bottom: 5px; }
    .stat-box-large p { font-size: 0.75rem; }
    .recruiters-box { padding: 18px 12px; }
    .recruiters-box h3 { font-size: 1.1rem; }
    .recruiter-tag { padding: 4px 8px; font-size: 0.75rem; }

    /* Mentors */
    .mentors-box, .infra-box { padding: 18px 12px; }
    .mentors-box h3, .infra-box h3 { font-size: 1.1rem; margin-bottom: 18px; }
    .mentor-avatar { width: 45px; height: 45px; }
    .mentor-info h4 { font-size: 0.9rem; }
    .mentor-info p { font-size: 0.8rem; }
    .mentor-item { gap: 12px; }
    .infra-list li { font-size: 0.8rem; gap: 8px; }
    .infra-list li i { font-size: 1rem; }

    /* Campus */
    .campus-content h3 { font-size: 1.2rem; }
    .campus-content p { font-size: 0.8rem; }
    .feature-item { padding: 10px; font-size: 0.8rem; gap: 8px; }
    .feature-item i { font-size: 1.1rem; }

    /* CTA Banner */
    .cta-banner { padding: 30px 0; }
    .cta-banner h2 { font-size: 1.3rem; }
    .cta-banner p { font-size: 0.8rem; }
    .cta-banner .btn { padding: 10px 20px; font-size: 0.85rem; }

    /* FAQs */
    .faq-container { gap: 10px; }
    .faq-container summary { font-size: 0.85rem; padding: 12px 10px; }
    .faq-content { font-size: 0.8rem; padding: 0 10px 10px 10px; padding-top: 10px; }

    /* Footer */
    .footer { padding: 25px 0 10px; }
    .footer-container { gap: 25px; margin-bottom: 25px; }
    .footer-col h4 { font-size: 1.1rem; margin-bottom: 12px; }
    .footer-col p { font-size: 0.75rem; }
    .footer-logo { height: 35px; }
    .social-links { gap: 10px; margin-top: 15px; }
    .social-links a { width: 32px; height: 32px; font-size: 0.9rem; }
    .footer-bottom { font-size: 0.7rem; }

    /* Popup */
    .popup-content { width: 300px; }
    .popup-header-banner { padding: 12px 10px; }
    .popup-header-banner h3 { font-size: 1.1rem; }
    .popup-body { padding: 12px 10px; }
    .popup-title { font-size: 1.1rem; }
    .popup-form .btn-submit { padding: 10px; font-size: 0.9rem; }
}