/* =====================================================
   MICCAI 2026 Doctoral Symposium — Complete Redesign
   Colors: Navy #1A2B6B | Cyan #00AEEF | White #FFFFFF
   ===================================================== */

/* ─── Reset & Base ─────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --navy:        #1A2B6B;
    --navy-dark:   #0D1833;
    --navy-mid:    #1E3480;
    --cyan:        #00AEEF;
    --cyan-light:  #33C1F5;
    --cyan-pale:   #E0F5FD;
    --white:       #FFFFFF;
    --off-white:   #F4F8FF;
    --text-dark:   #0F1729;
    --text-mid:    #374151;
    --text-light:  #6B7280;
    --border:      #D1E4F5;
    --shadow-sm:   0 2px 12px rgba(26, 43, 107, 0.08);
    --shadow-md:   0 8px 32px rgba(26, 43, 107, 0.15);
    --shadow-lg:   0 20px 60px rgba(26, 43, 107, 0.2);
    --radius:      16px;
    --radius-sm:   10px;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ─── Navbar ────────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.4s ease;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(13, 24, 51, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    padding: 0.7rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img {
    height: 38px;
    width: auto;
    filter: brightness(0) invert(1);
}

.logo-text {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.01em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    align-items: center;
}

.nav-menu li {
    flex-shrink: 0;
}

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 0.92rem;
    padding: 0.5rem 0.85rem;
    border-radius: 8px;
    transition: all 0.25s ease;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--cyan);
    background: rgba(0, 174, 239, 0.1);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 4px;
}

.bar {
    width: 26px;
    height: 2.5px;
    background: var(--white);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.hamburger.active .bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.active .bar:nth-child(2) { opacity: 0; }
.hamburger.active .bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ─── Hero ──────────────────────────────────────────── */
.hero {
    min-height: 100vh;
    background: linear-gradient(145deg, var(--navy-dark) 0%, var(--navy) 50%, #1E3A8A 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* Animated grid overlay */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,174,239,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,174,239,0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}

/* Glowing orb top-right */
.hero::after {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0,174,239,0.18) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 6s ease-in-out infinite;
}

/* Second orb bottom-left */
.hero-glow {
    position: absolute;
    bottom: -10%;
    left: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(26,43,107,0.6) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

@keyframes gridMove {
    0%   { transform: translateY(0); }
    100% { transform: translateY(60px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50%       { transform: scale(1.1); opacity: 1; }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 24px 60px;
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 5rem;
    align-items: center;
}

.hero-text { color: var(--white); }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 174, 239, 0.15);
    border: 1px solid rgba(0, 174, 239, 0.4);
    color: var(--cyan-light);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.45rem 1.1rem;
    border-radius: 100px;
    margin-bottom: 1.75rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.hero-badge i { font-size: 0.8rem; }

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.12;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(90deg, var(--cyan) 0%, #7DD8F8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    max-width: 500px;
}

.hero-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.hero-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    font-weight: 500;
}

.hero-meta-item i {
    color: var(--cyan);
    font-size: 1rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Logo card */
.hero-image { position: relative; }

.hero-logo-container {
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 24px;
    padding: 3.5rem 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255,255,255,0.1);
    position: relative;
    overflow: hidden;
}

.hero-logo-container::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan), #7DD8F8, var(--cyan));
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.hero-logo {
    max-width: 100%;
    height: auto;
    filter: brightness(0) invert(1);
    drop-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.hero-logo-divider {
    width: 60px;
    height: 1.5px;
    background: linear-gradient(90deg, transparent, rgba(0,174,239,0.6), transparent);
}

.hero-logo-tagline {
    text-align: center;
    color: rgba(255,255,255,0.65);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* Scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.5);
    font-size: 1.2rem;
    animation: bounce 2s infinite;
    cursor: pointer;
    z-index: 3;
}

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

/* ─── Buttons ───────────────────────────────────────── */
.btn {
    padding: 13px 32px;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.02em;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--cyan);
    color: var(--white);
    border-color: var(--cyan);
    box-shadow: 0 4px 20px rgba(0, 174, 239, 0.4);
}

.btn-primary:hover {
    background: var(--cyan-light);
    border-color: var(--cyan-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 174, 239, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.7);
    transform: translateY(-2px);
}

/* Dark-context secondary button */
.btn-outline-navy {
    background: transparent;
    color: var(--navy);
    border-color: var(--navy);
}

.btn-outline-navy:hover {
    background: var(--navy);
    color: var(--white);
    transform: translateY(-2px);
}

/* ─── Section Shared ────────────────────────────────── */
section { padding: 90px 0; }

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-eyebrow {
    display: inline-block;
    color: var(--cyan);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-title span { color: var(--cyan); }

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Divider accent under title */
.section-header::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan), var(--navy));
    border-radius: 4px;
    margin: 1.5rem auto 0;
}

.timezone-note {
    color: var(--text-light);
    font-style: italic;
    font-size: 0.9rem;
    margin-top: 0.4rem;
}

/* ─── About Section ─────────────────────────────────── */
.about {
    background: var(--off-white);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(0,174,239,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.about-content { max-width: 820px; margin: 0 auto; }

.about-text p {
    font-size: 1.1rem;
    color: var(--text-mid);
    line-height: 1.85;
    margin-bottom: 1.25rem;
}

.about-text p:first-child {
    font-size: 1.2rem;
    color: var(--text-dark);
    font-weight: 500;
}

/* ─── Program Cards ─────────────────────────────────── */
.program { background: var(--white); }

.program-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
}

.program-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 2.25rem;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.program-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--navy), var(--cyan));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s ease;
}

.program-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0,174,239,0.2);
}

.program-card:hover::before { transform: scaleX(1); }

.program-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--navy), var(--navy-mid));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 16px rgba(26,43,107,0.25);
    transition: transform 0.3s ease;
}

.program-card:hover .program-icon {
    background: linear-gradient(135deg, var(--cyan), var(--navy));
    transform: scale(1.1) rotate(-3deg);
}

.program-icon i {
    font-size: 1.4rem;
    color: var(--white);
}

.program-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.85rem;
    color: var(--navy);
    line-height: 1.4;
}

.program-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.97rem;
}

/* ─── Eligibility Section ───────────────────────────── */
.eligibility {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
    position: relative;
    overflow: hidden;
}

.eligibility::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,174,239,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,174,239,0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

.eligibility .section-title { color: var(--white); }
.eligibility .section-eyebrow { color: var(--cyan-light); }
.eligibility .section-subtitle { color: rgba(255,255,255,0.65); }
.eligibility .section-header::after {
    background: linear-gradient(90deg, var(--cyan), rgba(255,255,255,0.3));
}

.eligibility-content {
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.eligibility-card {
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 24px;
    padding: 3rem 3.5rem;
    max-width: 680px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.eligibility-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--cyan), #0080B3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 8px 24px rgba(0,174,239,0.4);
}

.eligibility-icon i {
    font-size: 1.75rem;
    color: var(--white);
}

.eligibility-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1.75rem;
    color: var(--white);
    text-align: center;
}

.eligibility-card ul { list-style: none; }

.eligibility-card li {
    padding: 0.85rem 0;
    color: rgba(255,255,255,0.85);
    position: relative;
    padding-left: 2.25rem;
    font-size: 1.05rem;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}

.eligibility-card li:last-child { border-bottom: none; }

.eligibility-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background: rgba(0,174,239,0.2);
    border: 2px solid var(--cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.eligibility-card li::after {
    content: '✓';
    position: absolute;
    left: 4px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--cyan);
    font-weight: 800;
    font-size: 0.7rem;
}

/* ─── Dates Section ─────────────────────────────────── */
.dates { background: var(--off-white); }

.dates-timeline {
    max-width: 640px;
    margin: 0 auto;
    position: relative;
}

.dates-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 20px;
    bottom: 20px;
    width: 2px;
    background: linear-gradient(to bottom, var(--cyan), var(--navy));
    border-radius: 2px;
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2.5rem;
    position: relative;
    padding-left: 1rem;
}

.timeline-item:last-child { margin-bottom: 0; }

.timeline-marker {
    width: 42px;
    height: 42px;
    min-width: 42px;
    background: linear-gradient(135deg, var(--navy), var(--cyan));
    border-radius: 50%;
    margin-right: 2rem;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 16px rgba(26,43,107,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-marker::after {
    content: '';
    width: 10px;
    height: 10px;
    background: var(--white);
    border-radius: 50%;
}

.timeline-content {
    background: var(--white);
    border-radius: var(--radius-sm);
    padding: 1.4rem 1.75rem;
    flex: 1;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-content:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.timeline-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.35rem;
}

.date {
    font-size: 1rem;
    color: var(--cyan);
    font-weight: 600;
}

.location {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.submission-button-container {
    text-align: center;
    margin-top: 3rem;
    display: flex;
    justify-content: center;
}

.submission-btn {
    font-size: 1rem;
    padding: 14px 40px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--navy);
    color: var(--white);
    border-color: var(--navy);
    box-shadow: 0 6px 24px rgba(26,43,107,0.35);
}

.submission-btn:hover {
    background: var(--cyan);
    border-color: var(--cyan);
    transform: translateY(-3px);
    box-shadow: 0 10px 32px rgba(0,174,239,0.4);
}

/* ─── Agenda Section ────────────────────────────────── */
.agenda { background: var(--white); }

/* ─── FAQ Section ───────────────────────────────────── */
.faq { background: var(--off-white); }

.faq-container {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.faq-item:hover,
.faq-item.active {
    box-shadow: var(--shadow-md);
    border-color: rgba(0,174,239,0.3);
}

.faq-item.active {
    border-left: 4px solid var(--cyan);
}

.faq-question {
    padding: 1.4rem 1.75rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: background 0.2s ease;
}

.faq-question:hover { background: var(--off-white); }

.faq-question h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--navy);
    line-height: 1.5;
}

.faq-question i {
    color: var(--cyan);
    font-size: 0.9rem;
    min-width: 16px;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i { transform: rotate(180deg); }

.faq-answer {
    padding: 0 1.75rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.35s ease;
}

.faq-item.active .faq-answer {
    padding: 0 1.75rem 1.5rem;
    max-height: 500px;
}

.faq-answer p {
    color: var(--text-mid);
    line-height: 1.75;
    font-size: 0.97rem;
    padding-top: 0.25rem;
    border-top: 1px solid var(--border);
}

/* ─── Contact Section ───────────────────────────────── */
.contact { background: var(--white); }

.contact-content {
    display: flex;
    justify-content: center;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
    max-width: 900px;
    width: 100%;
}

.contact-item {
    background: var(--off-white);
    border-radius: var(--radius);
    padding: 2.25rem 2rem;
    text-align: center;
    border: 1px solid var(--border);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--navy), var(--cyan));
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0,174,239,0.2);
}

.contact-item i {
    font-size: 2rem;
    color: var(--cyan);
    margin-bottom: 1.25rem;
    display: block;
}

.contact-item h3 {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--navy);
    margin-bottom: 0.75rem;
}

.contact-item p {
    color: var(--text-mid);
    line-height: 1.7;
    font-size: 0.97rem;
}

/* ─── Footer ────────────────────────────────────────── */
.footer {
    background: var(--navy-dark);
    color: var(--white);
    padding: 3.5rem 0 1.5rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--navy), var(--cyan), var(--navy));
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-logo img {
    height: 38px;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.footer-logo p {
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255,255,255,0.55);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.25s ease;
    position: relative;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--cyan);
    transition: width 0.25s ease;
}

.footer-links a:hover {
    color: var(--cyan);
}

.footer-links a:hover::after { width: 100%; }

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.35);
    font-size: 0.87rem;
}

/* ─── Scroll-to-top button ──────────────────────────── */
.scroll-to-top {
    background: linear-gradient(135deg, var(--navy), var(--cyan)) !important;
}

/* ─── Responsive ────────────────────────────────────── */
@media (max-width: 1024px) {
    .hero-title { font-size: 3.2rem; }
    .contact-info { grid-template-columns: repeat(2, 1fr); }
    .logo-text { font-size: 0.9rem; }
    .nav-link { font-size: 0.85rem; padding: 0.45rem 0.65rem; }
}

@media (max-width: 768px) {
    .hamburger { display: flex; }

    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        flex-direction: column;
        background: var(--navy-dark);
        justify-content: center;
        align-items: center;
        gap: 0.5rem;
        transition: left 0.35s cubic-bezier(0.4,0,0.2,1);
        z-index: 999;
    }

    .nav-menu.active { left: 0; }
    .nav-link { font-size: 1.2rem; padding: 0.75rem 1.5rem; }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .hero-title { font-size: 2.8rem; }
    .hero-subtitle { margin: 0 auto 2.5rem; }
    .hero-meta { justify-content: center; flex-wrap: wrap; gap: 1rem; }
    .hero-buttons { justify-content: center; }
    .hero-badge { margin: 0 auto 1.75rem; }

    .section-title { font-size: 2rem; }
    .program-grid { grid-template-columns: 1fr; }
    .contact-info { grid-template-columns: 1fr; max-width: 460px; }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
        gap: 1.25rem;
    }

    .eligibility-card { padding: 2rem 1.75rem; }
    .dates-timeline::before { left: 20px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.2rem; }
    .hero-badge { font-size: 0.75rem; }
    .btn { padding: 11px 24px; font-size: 0.9rem; }
    .section-title { font-size: 1.75rem; }
    .program-card, .contact-item { padding: 1.75rem; }
    .hero-logo-container { padding: 2.5rem 2rem; }
}
