/* ==========================================
   LANDING PAGE - BOOTSTRAP ENHANCED
   SISDIKBEL
========================================== */

@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap");

/* =========================
   BASE
========================= */
html, body {
    height: 100%;
    margin: 0;
    font-family: "Manrope", "Poppins", sans-serif;
}

/* =========================
   HERO SECTION
========================= */
.hero-section {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0b1220 0%, #0f172a 40%, #1e3a8a 100%);
    color: #ffffff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 32px 20px;
}

/* Decorative gradient blobs */
.hero-section::before {
    content: "";
    position: absolute;
    inset: -20% 0 0 0;
    background:
        radial-gradient(600px 320px at 15% 10%, rgba(59, 130, 246, 0.4), transparent 60%),
        radial-gradient(520px 320px at 85% 15%, rgba(14, 165, 233, 0.4), transparent 60%);
    opacity: 0.8;
}

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

/* Logo */
.hero-logo {
    width: 170px;
    margin-bottom: 14px;
    filter: drop-shadow(0 8px 24px rgba(255, 255, 255, 0.2));
    animation: fadeInDown 0.8s ease;
}

/* Title */
.hero-title {
    font-weight: 800;
    font-size: clamp(2.25rem, 5vw, 3rem);
    margin-bottom: 14px;
    letter-spacing: 0.5px;
    animation: fadeInUp 0.8s ease 0.1s both;
}

/* Description */
.hero-desc {
    font-size: clamp(0.9375rem, 2vw, 1.0625rem);
    opacity: 0.9;
    margin-bottom: 36px;
    max-width: 620px;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease 0.2s both;
}

/* Button group */
.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.3s both;
}

/* Hero button */
.hero-btn {
    border-radius: 999px;
    padding: 13px 28px;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.25);
    font-size: 0.9375rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.hero-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.3);
    color: #ffffff;
}

/* =========================
   ABOUT / FEATURES SECTION
========================= */
.about-section {
    padding: clamp(40px, 6vw, 80px) 20px;
    background: #eef2f7;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto;
    align-items: center;
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
        gap: 48px;
    }
}

/* About text */
.about-text h2 {
    font-size: clamp(1.375rem, 2.5vw, 1.75rem);
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 16px;
}

.about-text p {
    font-size: clamp(0.875rem, 1.5vw, 1rem);
    color: #475569;
    line-height: 1.8;
}

/* Feature card */
.about-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.07);
    border: 1px solid #e2e8f0;
    transition: all 0.25s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
    border-color: #2563eb;
}

.feature-card h5 {
    font-size: 0.9375rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 0.8125rem;
    color: #64748b;
    margin: 0;
    line-height: 1.6;
}

.feature-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: #2563eb;
}

/* =========================
   FOOTER
========================= */
.landing-footer {
    width: 100%;
    text-align: center;
    padding: 16px 10px;
    background: #0b1220;
    color: #e2e8f0;
    font-size: 0.8125rem;
}

/* =========================
   ANIMATIONS
========================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 480px) {
    .hero-logo {
        width: 130px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }

    .hero-btn {
        width: 100%;
        justify-content: center;
    }

    .about-section {
        padding: 40px 16px;
    }
}