/* =========================================================
   RESET & VARIABLES - Slate Gray Theme (#708090)
========================================================= */
:root {
    --primary: #708090;          /* slate gray */
    --primary-light: #8a9ba8;
    --primary-dark: #4a5a6a;
    --secondary: #d4a745;        /* emas tetap sebagai aksen */
    --secondary-light: #f0d080;
    --accent: #708090;
    --bg-light: #f4f6f8;
    --text-dark: #1e293b;
    --text-gray: #64748b;
    --white: #ffffff;
    --border: #e2e8f0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background: var(--white);
    line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container {
    width: min(1180px, 92%);
    margin: auto;
}

/* =========================================================
   HEADER
========================================================= */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.97);
    border-bottom: 1px solid var(--border);
}
.navbar {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}
.brand img {
    width: 52px;
    height: 52px;
    object-fit: contain;
}
.brand-text strong {
    display: block;
    font-family: 'Alata', sans-serif;
    font-size: 17px;
    color: var(--text-dark);
}
.brand-text span {
    display: block;
    font-size: 11px;
    color: var(--text-gray);
}
nav ul {
    display: flex;
    align-items: center;
    gap: 6px;
}
nav a {
    display: block;
    padding: 10px 14px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    transition: .25s;
}
nav a:hover {
    background: #e8edf0;
    color: var(--primary);
}
.menu-toggle {
    display: none;
    border: 0;
    background: none;
    font-size: 27px;
    cursor: pointer;
}

/* =========================================================
   HERO
========================================================= */
.hero {
    min-height: 620px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: "";
    position: absolute;
    width: 500px;
    height: 500px;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 50%;
    right: -160px;
    top: -100px;
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 760px;
    color: white;
}
.hero-label {
    display: inline-block;
    padding: 7px 14px;
    border: 1px solid rgba(255,255,255,.35);
    border-radius: 50px;
    font-size: 13px;
    margin-bottom: 20px;
    background: rgba(255,255,255,.08);
}
.hero h1 {
    font-family: 'Alata', sans-serif;
    font-size: clamp(42px, 6vw, 72px);
    line-height: 1.08;
    margin-bottom: 20px;
}
.hero h1 span { color: var(--secondary-light); }
.hero p {
    max-width: 650px;
    font-size: 17px;
    color: #e5e7eb;
    margin-bottom: 30px;
}
.hero-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 22px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 14px;
    transition: .25s;
}
.btn-primary {
    background: var(--white);
    color: var(--primary);
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-outline {
    border: 1px solid rgba(255,255,255,.5);
    color: white;
}
.btn-outline:hover { background: rgba(255,255,255,.1); }

/* =========================================================
   SECTION
========================================================= */
section { padding: 90px 0; }
.section-header {
    margin-bottom: 42px;
    max-width: 700px;
}
.section-label {
    color: var(--primary);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
}
.section-title {
    font-family: 'Alata', sans-serif;
    font-size: 34px;
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: 12px;
}
.section-description { color: var(--text-gray); }

/* =========================================================
   PROFIL
========================================================= */
.about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about-image {
    height: 420px;
    border-radius: 18px;
    overflow: hidden;
    background: var(--border);
}
.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.about-text p {
    color: var(--text-gray);
    margin-bottom: 18px;
}
.check-list {
    display: grid;
    gap: 12px;
    margin-top: 22px;
}
.check-list li {
    position: relative;
    padding-left: 28px;
    font-weight: 600;
    font-size: 14px;
}
.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary);
    font-weight: 800;
}

/* =========================================================
   VISI MISI
========================================================= */
.vision-section { background: var(--bg-light); }
.vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}
.info-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 30px;
}
.info-card h3 {
    font-family: 'Alata', sans-serif;
    margin-bottom: 15px;
    font-size: 24px;
}
.info-card p { color: var(--text-gray); }
.mission-list {
    display: grid;
    gap: 12px;
}
.mission-list li {
    padding: 12px 15px;
    background: var(--bg-light);
    border-radius: 8px;
    font-size: 14px;
}

/* =========================================================
   STATISTIK
========================================================= */
.stats {
    background: var(--text-dark);
    color: white;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}
.stat { padding: 25px; }
.stat strong {
    display: block;
    font-family: 'Alata', sans-serif;
    font-size: 42px;
    color: white;
}
.stat span {
    font-size: 13px;
    color: #cbd5e1;
}

/* =========================================================
   CARD
========================================================= */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.card {
    border: 1px solid var(--border);
    border-radius: 15px;
    overflow: hidden;
    background: white;
    transition: .25s;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,.08);
}
.card-image {
    height: 190px;
    background: var(--border);
    overflow: hidden;
}
.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.card-body { padding: 22px; }
.card-date {
    font-size: 12px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 7px;
}
.card h3 {
    font-size: 17px;
    line-height: 1.4;
    margin-bottom: 10px;
}
.card p {
    font-size: 13px;
    color: var(--text-gray);
}

/* =========================================================
   DOSEN
========================================================= */
.lecturer { background: var(--bg-light); }
.lecturer-card { text-align: center; }
.lecturer-photo {
    width: 130px;
    height: 130px;
    margin: 0 auto 18px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--border);
}
.lecturer-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.lecturer-card h3 {
    font-size: 16px;
    margin-bottom: 5px;
}
.lecturer-card p {
    color: var(--text-gray);
    font-size: 13px;
}

/* =========================================================
   FASILITAS
========================================================= */
.facility-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.facility {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 25px;
}
.facility-icon {
    width: 45px;
    height: 45px;
    border-radius: 10px;
    background: #e8edf0;
    color: var(--primary);
    display: grid;
    place-items: center;
    font-size: 20px;
    margin-bottom: 16px;
}
.facility h3 {
    font-size: 15px;
    margin-bottom: 5px;
}
.facility p {
    font-size: 12px;
    color: var(--text-gray);
}

/* =========================================================
   CTA
========================================================= */
.cta {
    background: linear-gradient(120deg, var(--primary), var(--primary-dark));
    color: white;
    text-align: center;
}
.cta h2 {
    font-family: 'Alata', sans-serif;
    font-size: 38px;
    margin-bottom: 12px;
}
.cta p {
    max-width: 650px;
    margin: 0 auto 25px;
    color: #dbeafe;
}

/* =========================================================
   FOOTER
========================================================= */
footer {
    background: #0f172a;
    color: white;
    padding-top: 60px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 45px;
}
footer h3 {
    font-family: 'Alata', sans-serif;
    margin-bottom: 15px;
}
footer p, footer li {
    color: #94a3b8;
    font-size: 13px;
}
footer li { margin-bottom: 8px; }
footer a:hover { color: white; }
.copyright {
    border-top: 1px solid #1e293b;
    padding: 20px 0;
    color: #64748b;
    font-size: 12px;
    text-align: center;
}

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width: 900px) {
    nav ul {
        display: none;
        position: absolute;
        top: 78px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        align-items: stretch;
        padding: 15px 4%;
        border-bottom: 1px solid var(--border);
    }
    nav ul.active { display: flex; }
    nav a { width: 100%; }
    .menu-toggle { display: block; }
    .about, .vision-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .cards { grid-template-columns: repeat(2, 1fr); }
    .facility-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    section { padding: 65px 0; }
    .brand-text strong { font-size: 14px; }
    .brand-text span { font-size: 9px; }
    .brand img { width: 44px; height: 44px; }
    .hero { min-height: 560px; }
    .hero h1 { font-size: 42px; }
    .hero p { font-size: 15px; }
    .section-title { font-size: 28px; }
    .stats-grid, .cards, .facility-grid, .footer-grid { grid-template-columns: 1fr; }
    .about-image { height: 300px; }
    .cta h2 { font-size: 30px; }
}