/* =========================
   VARIABLES
========================= */
:root{
    --brand-green: #1f6d3a;
    --brand-green-light: #4aa76a;
    --brand-dark: #0b3c26;
    --accent: #27ae60;
    --accent-dark: #1e7e34;
    --muted: #5d5d5d;
    --bg-light: #f6f4ef;
    --white: #fff;

    --radius: 16px;
    --shadow: 0 8px 24px rgba(0,0,0,0.08);
}

/* =========================
   BASE
========================= */
html, body {
    margin: 0;
    padding: 0;
}

body {
    font-size: clamp(1rem, 1.2vw, 1.2rem);
    line-height: 1.6;
    color: #222;
    overflow-x: hidden;
}

/* =========================
   HERO
========================= */
.hero-section {
    background: linear-gradient(120deg, rgba(11, 60, 38, 0.92), rgba(46, 204, 113, 0.85)),
                url('/placeholder.svg?height=600&width=1200') center/cover;
    color: var(--white);
    padding: clamp(40px, 8vw, 80px) 16px;
    text-align: center;
    position: relative;
}

.hero-section.hero-watermark::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url('default/logo.png') center/40% no-repeat;
    opacity: 0.08;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.lead-copy {
    font-size: clamp(0.95rem, 1.2vw, 1.2rem);
}

/* =========================
   TITLES
========================= */
.section-title {
    text-align: center;
    font-weight: 700;
    color: var(--brand-dark);
    margin-bottom: clamp(20px, 4vw, 50px);
    font-size: clamp(1.8rem, 5vw, 2.8rem);
}

/* =========================
   CONTENT
========================= */
.content-card {
    padding: clamp(16px, 3vw, 28px);
}

.content-card p {
    font-size: clamp(0.95rem, 1.1vw, 1.1rem);
    line-height: 1.7;
}

.image-frame {
    border-radius: var(--radius);
    overflow: hidden;
    min-height: clamp(140px, 25vw, 260px);
}

.image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* =========================
   STATS
========================= */
.stats-section {
    padding: clamp(30px, 6vw, 70px) 0;
}

.stat-item {
    text-align: center;
    padding: clamp(12px, 2vw, 20px);
}

.stat-number {
    font-size: clamp(1.6rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--brand-green);
}

.stat-label {
    font-size: clamp(0.8rem, 1vw, 1rem);
    color: var(--muted);
}

/* =========================
   CARDS
========================= */
.card,
.alumni-card,
.event-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.card:hover,
.alumni-card:hover,
.event-card:hover {
    transform: translateY(-5px);
}

/* =========================
   ALUMNI CARD
========================= */
.alumni-card {
    padding: clamp(16px, 3vw, 28px);
    text-align: center;
}

.alumni-avatar {
    width: 100%;
    height: clamp(140px, 25vw, 190px);
    object-fit: cover;
    border-radius: 12px;
}

/* =========================
   SEARCH
========================= */
.search-box {
    background: var(--white);
    border-radius: 50px;
    padding: 10px;
    margin-top: 20px;
    box-shadow: var(--shadow);
}

.search-box input {
    border: none;
    outline: none;
    width: 100%;
    padding: 12px 16px;
}

.search-box button {
    border: none;
    background: var(--accent);
    color: white;
    padding: 12px 20px;
    border-radius: 50px;
}

/* =========================
   NAVBAR FIX
========================= */
.sci-navbar {
    width: 100%;
}

.sci-navbar .container {
    max-width: 100%;
    padding: 0 12px;
}

/* =========================
   TABS
========================= */
.category-tabs .nav-link {
    border-radius: 25px;
    border: 2px solid #e9ecef;
    margin: 4px;
}

.category-tabs .nav-link.active {
    background: var(--accent);
    color: var(--white);
}

/* =========================
   RESPONSIVE GRID FIX
========================= */
.stats-wrap {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
}

/* =========================
   SMALL SCREEN TWEAKS
========================= */
@media (max-width: 576px) {
    .btn {
        width: 100%;
        max-width: 300px;
        margin: 10px auto;
        display: block;
    }
}