/* ======================================== */
/* RESET & VARIABLES */
/* ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0a2a4a;
    --primary-light: #1a4a7a;
    --primary-dark: #061a2e;
    --secondary: #2a6a9a;
    --accent: #4a9acf;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --white: #ffffff;
    --gray-bg: #f1f5f9;
    --shadow: 0 4px 20px rgba(0,0,0,0.06);
    --radius: 20px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: #f8fafc;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

/* ======================================== */
/* TOP BAR - RAPI */
/* ======================================== */
.top-bar {
    background: var(--primary-dark);
    color: #cbd5e1;
    font-size: 0.82rem;
    padding: 8px 0;
    border-bottom: 2px solid var(--primary-light);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.top-bar-left {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
}

.top-bar-left span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.top-bar-left span i {
    color: var(--accent);
    font-size: 0.75rem;
    width: 16px;
    text-align: center;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.top-bar-right a {
    color: #cbd5e1;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    font-size: 0.8rem;
}

.top-bar-right a:hover {
    color: var(--white);
    background: rgba(255,255,255,0.08);
    transform: translateY(-2px);
}

.btn-top-login {
    background: var(--primary-light);
    padding: 4px 16px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.75rem;
    width: auto !important;
    height: auto !important;
    border-radius: 20px !important;
    gap: 6px;
}

.btn-top-login:hover {
    background: var(--accent);
    color: var(--white) !important;
    transform: translateY(-2px);
}

/* ======================================== */
/* MAIN HEADER - RAPI */
/* ======================================== */
.main-header {
    background: var(--white);
    box-shadow: 0 2px 20px rgba(0,0,0,0.04);
    padding: 6px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 1px;
}

.logo-text span {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--primary-light);
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

/* ======================================== */
/* NAVIGATION - RAPI */
/* ======================================== */
nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-menu > li > a {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-dark);
    padding: 8px 0;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    position: relative;
}

.nav-menu > li > a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-light);
    transition: width 0.3s ease;
}

.nav-menu > li > a:hover::after,
.nav-menu > li > a.active::after {
    width: 100%;
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    color: var(--primary-light);
}

.nav-menu .btn-daftar {
    background: var(--primary-light);
    color: var(--white) !important;
    padding: 8px 22px;
    border-radius: 30px;
    border-bottom: none !important;
    font-weight: 600;
    font-size: 0.85rem;
    box-shadow: 0 4px 15px rgba(26,74,122,0.2);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.nav-menu .btn-daftar::after {
    display: none;
}

.nav-menu .btn-daftar:hover {
    background: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(26,74,122,0.3);
    color: var(--white) !important;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown > a i {
    font-size: 0.6rem;
    margin-left: 4px;
}

.dropdown-menu {
    position: absolute;
    top: 38px;
    left: 0;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
    padding: 10px 0;
    min-width: 190px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.25s ease;
    border: 1px solid #e9edf2;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 8px 22px;
    font-size: 0.85rem;
    color: var(--text-dark);
    border-bottom: none !important;
    transition: var(--transition);
}

.dropdown-menu a::after {
    display: none;
}

.dropdown-menu a:hover {
    background: var(--gray-bg);
    color: var(--primary-light);
    padding-left: 28px;
}

/* Hamburger */
.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
    padding: 4px 8px;
    border-radius: 8px;
    transition: var(--transition);
}

.hamburger:hover {
    background: var(--gray-bg);
}

/* ======================================== */
/* RESPONSIVE */
/* ======================================== */
@media (max-width: 992px) {
    .top-bar-left {
        gap: 12px;
        font-size: 0.75rem;
    }
    
    .top-bar-left span {
        gap: 4px;
    }
    
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .top-bar .container {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 6px;
    }
    
    .top-bar-left {
        justify-content: center;
    }
    
    .top-bar-right {
        justify-content: center;
    }
    
    .nav-menu {
        display: none;
        flex-direction: column;
        background: var(--white);
        position: absolute;
        top: 68px;
        left: 0;
        width: 100%;
        padding: 20px;
        box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        gap: 14px;
        border-top: 1px solid #e9edf2;
    }

    .nav-menu.active {
        display: flex;
    }

    .hamburger {
        display: block;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        padding: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: var(--gray-bg);
        border-radius: 10px;
        margin-top: 6px;
        border: none;
        display: none;
    }

    .dropdown-menu a {
        padding: 8px 20px;
    }
    
    .dropdown-menu a:hover {
        padding-left: 24px;
    }

    .dropdown:hover .dropdown-menu {
        transform: none;
    }
    
    .nav-menu .btn-daftar {
        width: 100%;
        justify-content: center;
    }
    
    .hero-slider {
        height: 400px;
    }
    
    .hero-text h2 {
        font-size: 2.2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .top-bar-left {
        flex-direction: column;
        gap: 4px;
    }
    
    .top-bar-right {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-slider {
        height: 350px;
    }
    
    .hero-text h2 {
        font-size: 1.8rem;
    }
    
    .hero-text p {
        font-size: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    
    .stats-item i {
        font-size: 1.8rem;
        padding: 12px;
    }
    
    .stats-item h3 {
        font-size: 1.8rem;
    }
    
    .events-grid {
        grid-template-columns: 1fr;
    }
    
    .event-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* ======================================== */
/* HERO SLIDER */
/* ======================================== */
.hero-slider {
    position: relative;
    height: 550px;
    overflow: hidden;
    background: var(--primary);
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    opacity: 0;
    transition: opacity 0.9s ease;
    background-size: cover;
    background-position: center;
}

.slide.active {
    opacity: 1;
}

.hero-content {
    width: 100%;
}

.hero-text {
    color: var(--white);
    max-width: 700px;
    animation: slideUp 0.8s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-text h2 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.hero-text h2 span {
    color: var(--accent);
    position: relative;
}

.hero-text h2 span::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent);
    border-radius: 4px;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 28px;
    opacity: 0.9;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent);
    color: var(--white);
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(74,154,207,0.3);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.15);
    color: var(--white);
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: 2px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-3px);
}

/* Slider Controls */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.1);
    border: none;
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: var(--transition);
    z-index: 10;
    border: 1px solid rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-50%) scale(1.05);
}

.slider-btn.prev { left: 20px; }
.slider-btn.next { right: 20px; }

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--white);
    transform: scale(1.25);
}

/* ======================================== */
/* STATS */
/* ======================================== */
.stats {
    padding: 50px 0;
    background: var(--white);
    border-bottom: 1px solid #e9edf2;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.stats-item {
    text-align: center;
    padding: 15px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.stats-item:hover {
    transform: translateY(-5px);
    background: var(--gray-bg);
}

.stats-item i {
    font-size: 2.2rem;
    color: var(--primary-light);
    background: #dbeafe;
    padding: 14px;
    border-radius: 50%;
    margin-bottom: 12px;
}

.stats-item h3 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
}

.stats-item p {
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.95rem;
}

/* ======================================== */
/* PROGRAM / DEPARTMENTS */
/* ======================================== */
.programs {
    padding: 60px 0;
    background: var(--gray-bg);
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
}

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

.section-sub {
    color: var(--text-light);
    font-size: 1.05rem;
    margin-top: 6px;
}

.program-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.program-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid #e9edf2;
    transition: var(--transition);
}

.program-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(26,74,122,0.08);
    border-color: var(--accent);
}

.program-icon {
    width: 70px;
    height: 70px;
    background: #dbeafe;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    transition: var(--transition);
}

.program-card:hover .program-icon {
    background: var(--primary-light);
}

.program-icon i {
    font-size: 2.2rem;
    color: var(--primary-light);
    transition: var(--transition);
}

.program-card:hover .program-icon i {
    color: var(--white);
}

.program-card h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--primary);
}

.program-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 14px;
}

.program-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary-light);
    font-weight: 600;
    font-size: 0.85rem;
}

.program-link:hover {
    gap: 12px;
}

/* ======================================== */
/* EVENTS */
/* ======================================== */
.events {
    padding: 60px 0;
    background: var(--white);
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.event-card {
    display: flex;
    gap: 18px;
    background: var(--gray-bg);
    padding: 18px;
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid #e9edf2;
}

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

.event-date {
    text-align: center;
    background: var(--primary-light);
    color: var(--white);
    padding: 12px 16px;
    border-radius: 12px;
    min-width: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.event-date .day {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1;
}

.event-date .month {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.event-content h4 {
    font-size: 1rem;
    margin-bottom: 6px;
    color: var(--primary);
}

.event-content p {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.event-content p i {
    margin-right: 4px;
    color: var(--primary-light);
}

.read-more {
    color: var(--primary-light);
    font-weight: 600;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.read-more:hover {
    gap: 10px;
}

/* ======================================== */
/* WHY ACEINST */
/* ======================================== */
.why-ace {
    padding: 60px 0;
    background: var(--gray-bg);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 25px;
}

.why-item {
    background: var(--white);
    padding: 30px 20px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid #e9edf2;
    transition: var(--transition);
}

.why-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: var(--accent);
}

.why-icon {
    width: 60px;
    height: 60px;
    background: #dbeafe;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
}

.why-icon i {
    font-size: 1.8rem;
    color: var(--primary-light);
}

.why-item h4 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--primary);
}

.why-item p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ======================================== */
/* FOOTER - SESUAI GAMBAR */
/* ======================================== */
footer {
    background: var(--primary-dark);
    color: #cbd5e1;
    padding-top: 45px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

/* Brand Section */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-logo-wrapper {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 6px;
}

.footer-brand img {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.footer-logo-text h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.footer-logo-text p {
    font-size: 0.7rem;
    color: var(--accent);
    font-weight: 500;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.footer-address {
    margin-top: 4px;
}

.footer-address p {
    font-size: 0.85rem;
    color: #94a3b8;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-address p i {
    color: var(--accent);
    margin-top: 3px;
    font-size: 0.85rem;
    width: 16px;
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin-top: 2px;
}

.footer-contact-info p {
    font-size: 0.85rem;
    color: #94a3b8;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact-info p i {
    color: var(--accent);
    width: 18px;
    font-size: 0.8rem;
}

/* Footer Links */
.footer-links h4,
.footer-departments h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 14px;
    letter-spacing: 0.5px;
}

.footer-links ul,
.footer-departments ul {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.footer-links ul li a,
.footer-departments ul li a {
    font-size: 0.85rem;
    color: #94a3b8;
    transition: var(--transition);
    display: inline-block;
}

.footer-links ul li a:hover,
.footer-departments ul li a:hover {
    color: var(--white);
    padding-left: 4px;
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 18px 0 20px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: #94a3b8;
}

.footer-bottom p strong {
    color: var(--white);
    font-weight: 500;
}

/* ======================================== */
/* RESPONSIVE FOOTER */
/* ======================================== */
@media (max-width: 992px) {
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 35px;
    }
}

@media (max-width: 768px) {
    .footer-top {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-logo-wrapper {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-address p {
        justify-content: center;
    }
    
    .footer-contact-info p {
        justify-content: center;
    }
    
    .footer-links ul li a,
    .footer-departments ul li a {
        display: block;
        text-align: center;
    }
    
    .footer-links h4,
    .footer-departments h4 {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .footer-contact-info p {
        font-size: 0.78rem;
    }
    
    .footer-links ul li a,
    .footer-departments ul li a {
        font-size: 0.8rem;
    }
    
    .footer-bottom p {
        font-size: 0.75rem;
    }
}