/* ==========================================================================
   GureeHub - Global Styles & Reset
   ========================================================================== */
:root {
    --primary-teal: #0d9488;
    --primary-teal-hover: #0f766e;
    --teal-light: #ccfbf1;
    --teal-dark: #115e59;
    --teal-cta: #14b8a6;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--gray-800);
    background-color: #ffffff;
    margin: 0;
    padding: 0;
    line-height: 1.5;
}

.container {
    max-width: 1152px; /* max-w-6xl */
    margin: 0 auto;
    padding: 0 16px;
}

@media (min-width: 640px) {
    .container {
        padding: 0 24px;
    }
}

/* Utilities */
.text-center { text-align: center; }
.max-w-3xl { max-width: 768px; margin-left: auto; margin-right: auto; }
.list-reset { list-style: none; padding: 0; margin: 0; }

/* ==========================================================================
   Component: Header / Brand
   ========================================================================== */
.site-header {
    background: #ffffff;
    border-bottom: 1px solid var(--gray-100);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 50;
}

.site-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ==========================================================================
   Section 1: Hero Section (Oops! 404 / Tentang Kami)
   ========================================================================== */
.hero.section {
    padding: 48px 0;
    margin-top: 48px;
}

@media (min-width: 640px) {
    .hero.section {
        padding: 80px 0;
    }
}

/* Simulasi Flex-Row / Grid layout untuk Hero */
.hero .split-wrap {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
}

@media (min-width: 768px) {
    .hero .split-wrap {
        flex-direction: row; /* md:flex-row */
        gap: 64px;
    }
    .hero .split-item-content {
        flex: 1;
    }
}


/* Heading & Text */
.hero h1 {
    font-size: 30px;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.25;
    margin-top: 0;
    margin-bottom: 16px;
}

@media (min-width: 640px) { .hero h1 { font-size: 36px; } }
@media (min-width: 768px) { .hero h1 { font-size: 48px; } }

/* Membuat teks "Tumbuh Bersama" berwarna hijau teal */
.hero h1 br + text, 
.hero h1 {
    /* Jika Anda mengubah text HTML nanti */
}

.hero p {
    font-size: 16px;
    color: var(--gray-600);
    margin-bottom: 24px;
    max-width: 512px;
}

@media (min-width: 640px) {
    .hero p {
        font-size: 18px;
    }
}

/* Stats Badges (Simulasi di bawah paragraph text) */
.hero-content::after {
    content: "2.000+ Guru Terverifikasi   •   10.000+ Siswa Aktif   •   500+ Mata Pelajaran";
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    line-height: 2;
    margin-top: 24px;
    word-spacing: 2px;
}

/* Button & Action */
.hero .button-primary {
    border: 0 !important;
    background: var(--primary-teal) !important;
    color: #ffffff !important;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.hero .button-primary:hover {
    background: var(--primary-teal-hover) !important;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   Section 2: Our Story (Simulasi Menggunakan section berikutnya)
   ========================================================================== */
/* Catatan: Karena HTML Anda hanya memiliki 1 section, 
   CSS berikut dipersiapkan jika Anda menduplikasi struktur <section> untuk halaman penuh */

.bg-gray-50-section {
    background-color: var(--gray-50);
    padding: 48px 0;
}

@media (min-width: 640px) {
    .bg-gray-50-section {
        padding: 64px 0;
    }
}

/* Grid System untuk Values & Team */
.grid-4-col {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: 24px;
    margin-top: 48px;
}

@media (min-width: 640px) {
    .grid-4-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
    .grid-4-col { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Cards (Values & Team) */
.card-value {
    background-color: #ffffff;
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--gray-100);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    transition: box-shadow 0.3s ease;
}

.card-value:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.card-value h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
    margin: 12px 0 8px 0;
}

.card-value p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.625;
    margin: 0;
}

/* SVG Icon Color Override */
.card-value svg, .text-teal-500 {
    color: var(--primary-teal) !important;
}

/* ==========================================================================
   Section 3: Bottom CTA Section
   ========================================================================== */
.cta-section-teal {
    background-color: var(--teal-cta);
    padding: 48px 0;
    color: #ffffff;
    text-align: center;
}

@media (min-width: 640px) {
    .cta-section-teal { padding: 64px 0; }
}

.cta-section-teal h2 {
    color: #ffffff;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

@media (min-width: 768px) {
    .cta-section-teal h2 { font-size: 36px; }
}

.cta-section-teal p {
    color: var(--teal-light);
    max-width: 640px;
    margin: 0 auto 24px auto;
}

/* Button variants untuk CTA */
.btn-cta-white {
    background-color: #ffffff;
    color: var(--primary-teal);
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    margin-right: 12px;
    transition: background 0.2s;
}
.btn-cta-white:hover { background-color: var(--gray-50); }

.btn-cta-black {
    background-color: var(--gray-900);
    color: #ffffff;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-cta-black:hover { background-color: #000000; }


/* ==========================================================================
   Component: Footer
   ========================================================================== */
.site-footer {
    background: #ffffff;
    padding: 48px 0;
    border-top: 1px solid var(--gray-100);
    font-size: 12px;
}

.footer-top, .footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
}

@media (min-width: 768px) {
    .footer-top, .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-nav ul {
    display: flex;
    gap: 24px;
}

.footer-nav a {
    color: var(--gray-600);
    text-decoration: none;
}

.footer-nav a:hover {
    color: var(--primary-teal);
}

.footer-copyright {
    color: var(--gray-500);
}