/* ===== COP31-Inspired Design System ===== */
:root {
    --navy-dark: #002C50;
    --navy: #003E6F;
    --navy-light: #2C4772;
    --green: #00784C;
    --green-mint: #43B97D;
    --green-light: rgba(16, 145, 74, 0.12);
    --blue: #1C75BC;
    --blue-deep: #144EA2;
    --blue-soft: #C3D1E2;
    --red: #ED2224;
    --text: #2F3846;
    --text-light: #5A6577;
    --white: #fff;
    --white-soft: #F2F5F8;
    --gray-50: #F8FAFB;
    --gray-100: #F1F4F7;
    --gray-200: #E4E9EE;
    --gray-300: #D0D7E0;
    --gray-400: #A8B3C2;
    --gray-500: #7C8A9A;
    --gray-600: #556170;
    --gray-700: #3D4A58;
    --gray-800: #2A3340;
    --gray-900: #1A2230;
    --shadow-sm: 0 1px 3px rgba(0, 44, 80, 0.06);
    --shadow: 0 4px 16px rgba(0, 44, 80, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 44, 80, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 44, 80, 0.16);
    --radius: 8px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 999px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    width: 100%;
    background: var(--white);
}

body {
    font-family: 'Inter Tight', system-ui, -apple-system, sans-serif;
    color: var(--text);
    font-size: clamp(1rem, 0.95rem + 0.25vw, 1.1rem);
    line-height: 1.65;
    overflow-x: hidden;
    background: transparent;
    min-height: 100vh;
}

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

img, svg, video {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', system-ui, sans-serif;
    font-weight: 700;
    color: var(--navy-dark);
    line-height: 1.2;
}

/* ===== Header — Floating Navbar ===== */
.header {
    position: fixed;
    top: 20px;
    left: 24px;
    right: 24px;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow);
    border-radius: 18px;
    padding: 12px 28px;
    transition: var(--transition);
}

.header.scrolled {
    background: var(--white);
    box-shadow: var(--shadow-lg);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.header-logo {
    text-decoration: none;
    flex-shrink: 0;
}

.logo-img {
    height: 42px;
    width: auto;
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 6px;
}

.main-nav a {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.88rem;
    padding: 8px 16px;
    border-radius: var(--radius);
    transition: var(--transition);
    white-space: nowrap;
}

.main-nav a:hover {
    color: var(--green);
    background: rgba(0, 120, 76, 0.06);
}

.btn-register {
    background: var(--green) !important;
    color: var(--white) !important;
    padding: 10px 22px !important;
    border-radius: var(--radius-full) !important;
    font-weight: 600 !important;
}

.btn-register:hover {
    background: var(--green-mint) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 120, 76, 0.3);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}    .mobile-toggle span {
        width: 24px;
        height: 2px;
        background: var(--gray-700);
        border-radius: 2px;
        transition: var(--transition);
    }

/* ===== Hero — Dark Full-Screen ===== */
.hero {
    min-height: 100vh;
    height: 100vh;
    background: linear-gradient(160deg, #0c1e14 0%, #0a1628 40%, #0c1e14 70%, #0a2818 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#hero-canvas {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    z-index: 2;
    background-image:
        radial-gradient(ellipse at 20% 80%, rgba(0, 120, 76, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(28, 117, 188, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 60%);
}

.hero .container {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-content {
    color: var(--white);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    grid-column: 1 / -1;
}

.hero-badge {
    display: inline-block;
    background: rgba(67, 185, 125, 0.15);
    border: 1px solid rgba(67, 185, 125, 0.3);
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 28px;
    color: var(--green-mint);
    text-transform: uppercase;
}

.hero-title {
    margin-bottom: 20px;
    color: var(--white);
}

.title-line {
    display: block;
    font-size: clamp(2.2rem, 1.5rem + 3vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
}

.title-highlight {
    display: block;
    font-size: clamp(1.8rem, 1.2rem + 2.5vw, 2.8rem);
    font-weight: 700;
    color: var(--green-mint);
}

.title-event {
    display: block;
    font-size: clamp(2.5rem, 1.8rem + 3.5vw, 4.2rem);
    font-weight: 700;
    letter-spacing: 6px;
    margin-top: 8px;
}

.year {
    font-weight: 400;
    opacity: 0.7;
}

.hero-tagline {
    font-size: 1rem;
    letter-spacing: 8px;
    text-transform: uppercase;
    opacity: 0.6;
    margin-bottom: 16px;
    font-weight: 500;
}

.hero-desc {
    font-size: 1.1rem;
    opacity: 0.85;
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn:hover::after {
    opacity: 1;
}

.btn-primary {
    background: var(--white);
    color: var(--navy-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255, 255, 255, 0.35);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
}

.hero-visual {
    display: none;
}

/* ===== Countdown Banner ===== */
.countdown-banner {
    background: var(--white);
    padding: 28px 0;
    box-shadow: var(--shadow);
    position: relative;
    z-index: 10;
}

.countdown-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.countdown-label {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--navy-dark);
}

.countdown-timer {
    display: flex;
    align-items: center;
    gap: 10px;
}

.timer-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--gray-50);
    padding: 10px 18px;
    border-radius: var(--radius);
    min-width: 68px;
    border: 1px solid var(--gray-200);
}

.timer-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--green);
    font-variant-numeric: tabular-nums;
    font-family: 'Outfit', sans-serif;
}

.timer-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    color: var(--gray-500);
    letter-spacing: 1px;
    font-weight: 600;
}

.timer-sep {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gray-300);
    padding-bottom: 16px;
}

.btn-cta {
    background: var(--green);
    color: var(--white);
    padding: 12px 24px;
    font-size: 0.9rem;
    border-radius: var(--radius-full);
}

.btn-cta:hover {
    background: var(--green-mint);
    transform: translateY(-1px);
}

/* ===== Sections ===== */
.section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 56px;
}

.section-header.center {
    text-align: center;
}

.section-tag {
    display: inline-block;
    padding: 6px 18px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.section-tag.green {
    background: rgba(0, 120, 76, 0.1);
    color: var(--green);
}

.section-tag.blue {
    background: rgba(28, 117, 188, 0.1);
    color: var(--blue);
}

.section-tag.orange {
    background: rgba(225, 112, 85, 0.1);
    color: #d35400;
}

.section-tag.purple {
    background: rgba(108, 92, 231, 0.1);
    color: #6c5ce7;
}

.section-title {
    font-size: clamp(1.8rem, 1.4rem + 1.5vw, 2.4rem);
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 10px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-light);
}

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

.about-content-center {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content-center p {
    color: var(--gray-600);
    margin-bottom: 16px;
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-divider {
    width: 100%;
    height: 1px;
    background: var(--gray-200);
    margin: 48px 0;
    border-radius: 1px;
}

.about-split {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
}

.about-split-reverse {
    grid-template-columns: 1fr 1.2fr;
}

.about-split-text p {
    color: var(--gray-600);
    margin-bottom: 16px;
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-split-text p strong {
    color: var(--navy-dark);
}

.about-sub-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 20px;
}

.about-split-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-event-logo {
    max-width: 100%;
    height: auto;
    max-height: 320px;
    object-fit: contain;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.about-cregu-logo {
    max-width: 100%;
    height: auto;
    max-height: 260px;
    object-fit: contain;
}

/* ===== Vision & Mission ===== */
.section-vision {
    background: var(--gray-50);
}

.vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.vision-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.vision-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.vision-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.vision-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 14px;
}

.vision-card p {
    color: var(--gray-600);
    font-size: 1rem;
    line-height: 1.8;
}

.vision-list {
    list-style: none;
}

.vision-list li {
    font-size: 0.95rem;
    color: var(--gray-600);
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    line-height: 1.6;
}

.vision-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 15px;
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
}

/* ===== Objectives ===== */
.section-objectives {
    background: var(--white);
}

.objectives-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.objective-item {
    background: var(--gray-50);
    padding: 24px 20px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.objective-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: rgba(0, 120, 76, 0.2);
}

.objective-icon {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.objective-item p {
    font-size: 0.9rem;
    color: var(--gray-700);
    font-weight: 500;
    line-height: 1.5;
}

/* ===== Categories ===== */
.section-categories {
    background: var(--gray-50);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.category-card {
    padding: 28px 20px;
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1.5px solid transparent;
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.green-card:hover { border-color: rgba(0, 120, 76, 0.5); box-shadow: 0 8px 32px rgba(0, 120, 76, 0.12); }
.blue-card:hover { border-color: rgba(28, 117, 188, 0.5); box-shadow: 0 8px 32px rgba(28, 117, 188, 0.12); }
.orange-card:hover { border-color: rgba(211, 84, 0, 0.5); box-shadow: 0 8px 32px rgba(211, 84, 0, 0.12); }
.purple-card:hover { border-color: rgba(108, 92, 231, 0.5); box-shadow: 0 8px 32px rgba(108, 92, 231, 0.12); }

.green-card {
    background: linear-gradient(135deg, rgba(0, 120, 76, 0.06), rgba(67, 185, 125, 0.06));
    border-color: rgba(0, 120, 76, 0.2);
}

.blue-card {
    background: linear-gradient(135deg, rgba(28, 117, 188, 0.06), rgba(116, 185, 255, 0.06));
    border-color: rgba(28, 117, 188, 0.2);
}

.orange-card {
    background: linear-gradient(135deg, rgba(211, 84, 0, 0.06), rgba(250, 177, 160, 0.06));
    border-color: rgba(211, 84, 0, 0.2);
}

.purple-card {
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.06), rgba(162, 155, 254, 0.06));
    border-color: rgba(108, 92, 231, 0.2);
}

.category-icon {
    font-size: 2.5rem;
    margin-bottom: 14px;
}

.category-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 6px;
}

.category-level {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 18px;
}

.category-note {
    font-size: 0.8rem;
    font-weight: 600;
    color: #6c5ce7;
    margin-bottom: 14px;
}

.category-prizes {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.category-prizes span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    padding: 8px 12px;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-100);
}

/* ===== Participation ===== */
.section-participation {
    background: var(--white);
}

.participation-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.participation-card {
    background: var(--gray-50);
    padding: 28px 20px;
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}

.participation-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(0, 120, 76, 0.2);
}

.participation-icon {
    font-size: 2.5rem;
    margin-bottom: 14px;
}

.participation-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 6px;
}

.participation-card p {
    font-size: 0.85rem;
    color: var(--gray-500);
    line-height: 1.5;
}

/* ===== Benefits ===== */
.section-benefits {
    background: var(--gray-50);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.benefit-item {
    background: var(--white);
    padding: 28px 20px;
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.benefit-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(0, 120, 76, 0.2);
}

.benefit-icon {
    font-size: 2.2rem;
    margin-bottom: 12px;
}

.benefit-item p {
    font-size: 0.9rem;
    color: var(--gray-700);
    font-weight: 500;
    line-height: 1.5;
}

/* ===== Expected Outcomes ===== */
.section-outcomes {
    background: var(--white);
}

.outcomes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.outcome-item {
    background: var(--gray-50);
    padding: 24px 18px;
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.outcome-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(28, 117, 188, 0.2);
}

.outcome-num {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--blue);
    opacity: 0.25;
    margin-bottom: 8px;
    font-family: 'Outfit', sans-serif;
}

.outcome-item p {
    font-size: 0.88rem;
    color: var(--gray-700);
    font-weight: 500;
    line-height: 1.5;
}

/* ===== Prizes ===== */
.section-prizes {
    background: var(--gray-50);
}

.prizes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.prize-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.prize-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.prize-card.highlight {
    background: linear-gradient(135deg, var(--navy-dark), var(--navy));
    border: none;
}

.prize-card.highlight:hover {
    box-shadow: 0 12px 40px rgba(0, 44, 80, 0.25);
}

.prize-card.highlight h3,
.prize-card.highlight p {
    color: var(--white);
}

.prize-icon {
    font-size: 2.5rem;
    margin-bottom: 14px;
}

.prize-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 8px;
}

.prize-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* ===== Schedule ===== */
.section-schedule {
    background: var(--white);
}

.schedule-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.schedule-item {
    display: flex;
    gap: 28px;
    margin-bottom: 28px;
}

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

.schedule-date {
    flex-shrink: 0;
    width: 90px;
    padding: 18px;
    border-radius: var(--radius-lg);
    text-align: center;
    color: var(--white);
}

.green-bg { background: var(--green); }
.blue-bg { background: var(--blue); }

.schedule-day {
    display: block;
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1;
    font-family: 'Outfit', sans-serif;
}

.schedule-month {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.schedule-content {
    flex: 1;
    background: var(--gray-50);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}

.schedule-content:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--gray-200);
}

.schedule-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    background: var(--green);
    color: var(--white);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.schedule-badge.blue {
    background: var(--blue);
}

.schedule-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 6px;
}

.schedule-content p {
    color: var(--gray-600);
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.schedule-time {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-500);
}

/* ===== Evaluation Criteria ===== */
.section-criteria {
    background: var(--gray-50);
}

.criteria-visual {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.criteria-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.criteria-bar:hover {
    border-color: rgba(0, 120, 76, 0.3);
    box-shadow: 0 4px 16px rgba(0, 120, 76, 0.1);
    transform: translateX(4px);
}

.criteria-bar::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: var(--width);
    background: linear-gradient(90deg, rgba(0, 120, 76, 0.08), rgba(28, 117, 188, 0.08));
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    transition: width 0.8s ease;
}

.criteria-bar-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
    position: relative;
    z-index: 1;
}

.criteria-bar-value {
    font-size: 1rem;
    font-weight: 800;
    color: var(--green);
    position: relative;
    z-index: 1;
    font-family: 'Outfit', sans-serif;
}

/* ===== Guidelines ===== */
.section-guidelines {
    background: var(--white);
}

.guidelines-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.guideline-card {
    background: var(--gray-50);
    padding: 28px 20px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}

.guideline-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.guideline-icon {
    font-size: 2.2rem;
    margin-bottom: 14px;
}

.guideline-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 14px;
}

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

.guideline-card li {
    font-size: 0.85rem;
    color: var(--gray-600);
    padding: 5px 0;
    padding-left: 20px;
    position: relative;
}

.guideline-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 6px;
    height: 6px;
    background: var(--green);
    border-radius: 50%;
}

/* ===== CTA ===== */
.section-cta {
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--green) 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta-bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(67, 185, 125, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(28, 117, 188, 0.1) 0%, transparent 50%);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
    color: var(--white);
}

.cta-content h2 {
    font-size: clamp(1.8rem, 1.4rem + 2vw, 2.4rem);
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--white);
}

.cta-content > p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

.btn-register {
    background: var(--white);
    color: var(--navy-dark);
    font-size: 1rem;
    padding: 16px 44px;
    border-radius: var(--radius-full);
    font-weight: 700;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.cta-note {
    font-size: 0.85rem;
    opacity: 0.7;
    margin-top: 14px;
}

/* ===== Partners ===== */
.section-partners {
    background: var(--white);
    padding: 60px 0;
    border-top: 1px solid var(--gray-200);
}

.partners-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}

.partner-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    padding: 12px 20px;
}

.partner-item:hover {
    transform: translateY(-2px);
}

.partner-logo {
    height: 70px;
    width: auto;
    object-fit: contain;
}

.partner-logo.sdc-logo {
    height: 70px;
}

.partner-logo.cregu-logo {
    height: 70px;
}

.partner-logo.ck-logo {
    height: 70px;
    border-radius: 4px;
}

/* ===== Footer ===== */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 56px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 36px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    height: 60px;
    width: auto;
    filter: brightness(0) invert(1);
    margin-bottom: 18px;
    opacity: 0.95;
    transition: opacity 0.3s ease;
}

.footer-logo:hover {
    opacity: 1;
}

.footer-brand p {
    font-size: 0.85rem;
    margin-bottom: 6px;
}

.footer-tagline {
    color: var(--green-mint);
}

.footer-col h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 18px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 8px;
}

.footer-col a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--green-mint);
}

.footer-col p {
    font-size: 0.85rem;
    margin-bottom: 6px;
}

.footer-link {
    color: var(--green-mint) !important;
    font-weight: 600;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    font-size: 0.8rem;
}

/* ===== Scroll Reveal Animations ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* ===== Enhanced Hover Effects ===== */
.hover-lift {
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.hover-glow-green:hover {
    box-shadow: 0 8px 32px rgba(0, 120, 76, 0.15);
}

.hover-glow-blue:hover {
    box-shadow: 0 8px 32px rgba(28, 117, 188, 0.15);
}

.hover-border-green {
    transition: border-color 0.35s ease, box-shadow 0.35s ease;
}

.hover-border-green:hover {
    border-color: rgba(0, 120, 76, 0.4);
}

.hover-border-blue {
    transition: border-color 0.35s ease, box-shadow 0.35s ease;
}

.hover-border-blue:hover {
    border-color: rgba(28, 117, 188, 0.4);
}

/* ===== Floating Atoms ===== */
.floating-atoms {
    display: none;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-visual {
        display: none;
    }

    .hero-content {
        grid-column: 1;
    }

    .about-split,
    .about-split-reverse {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .about-split-reverse .about-split-image {
        order: -1;
    }

    .about-event-logo {
        max-height: 260px;
    }

    .about-cregu-logo {
        max-height: 200px;
    }

    .categories-grid,
    .participation-grid,
    .guidelines-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .benefits-grid,
    .outcomes-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .objectives-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .header {
        top: 12px;
        left: 12px;
        right: 12px;
        padding: 10px 16px;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--white);
        box-shadow: var(--shadow-xl);
        transition: var(--transition);
        z-index: 999;
        padding: 80px 24px 24px;
        border-radius: 0;
    }

    .main-nav.active {
        right: 0;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: stretch;
    }

    .main-nav a {
        display: block;
        padding: 14px 16px;
        color: var(--gray-700);
        border-bottom: 1px solid var(--gray-100);
    }

    .mobile-toggle {
        display: flex;
        z-index: 1001;
    }

    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .title-line {
        font-size: 2rem;
    }

    .title-highlight {
        font-size: 1.6rem;
    }

    .title-event {
        font-size: 2rem;
        letter-spacing: 3px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .countdown-content {
        flex-direction: column;
        gap: 16px;
    }

    .categories-grid,
    .participation-grid,
    .prizes-grid,
    .guidelines-grid {
        grid-template-columns: 1fr;
    }

    .benefits-grid,
    .outcomes-grid {
        grid-template-columns: 1fr;
    }

    .objectives-grid {
        grid-template-columns: 1fr;
    }

    .vision-grid {
        grid-template-columns: 1fr;
    }

    .schedule-item {
        flex-direction: column;
        gap: 14px;
    }

    .schedule-date {
        width: 100%;
    }

    .partners-grid {
        gap: 24px;
    }

    .partner-logo {
        height: 55px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
    }

    .section {
        padding: 72px 0;
    }
}

@media (max-width: 480px) {
    .title-line {
        font-size: 1.6rem;
    }

    .title-highlight {
        font-size: 1.4rem;
    }

    .title-event {
        font-size: 1.6rem;
        letter-spacing: 2px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .cta-content h2 {
        font-size: 1.5rem;
    }

    .timer-box {
        min-width: 58px;
        padding: 8px 12px;
    }

    .timer-value {
        font-size: 1.3rem;
    }
}