/* ═══════════════════════════════════════════════
   home_style.css  —  Codepth Home Page
   Theme: White · Green · Gray
   Font: Plus Jakarta Sans + JetBrains Mono
═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;600&display=swap');

/* ─── CSS Variables ───────────────────────────── */
:root {
    --green-500:  #22c55e;
    --green-600:  #16a34a;
    --green-700:  #15803d;
    --green-100:  #dcfce7;
    --green-50:   #f0fdf4;
    --gray-900:   #111827;
    --gray-700:   #374151;
    --gray-500:   #6b7280;
    --gray-400:   #9ca3af;
    --gray-200:   #e5e7eb;
    --gray-100:   #f3f4f6;
    --gray-50:    #f9fafb;
    --white:      #ffffff;
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.08);
    --shadow-md:  0 4px 16px rgba(0,0,0,0.10);
    --shadow-lg:  0 12px 40px rgba(0,0,0,0.13);
    --radius:     10px;
    --font-main:  'Plus Jakarta Sans', sans-serif;
    --font-mono:  'JetBrains Mono', monospace;
}

/* ─── Reset & Base ────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font-main);
    background: var(--gray-50);
    color: var(--gray-700);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.green-text {
    color: var(--green-600);
}

/* ═══════════════════════════════════════════════
   HEADER
═══════════════════════════════════════════════ */
header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.brand-logo img { display: block; }

.search-wrap {
    display: flex;
    align-items: center;
    background: var(--gray-50);
    border: 1.5px solid var(--gray-200);
    border-radius: 50px;
    padding: 6px 6px 6px 14px;
    gap: 8px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.search-wrap:focus-within {
    border-color: var(--green-500);
    box-shadow: 0 0 0 3px rgba(34,197,94,0.12);
}
.search-icon { font-size: 14px; color: var(--gray-400); }
.search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-family: var(--font-main);
    font-size: 14px;
    color: var(--gray-700);
    outline: none;
}
.search-input::placeholder { color: var(--gray-400); }
.search-btn {
    background: var(--green-600);
    color: var(--white);
    border: none;
    padding: 7px 18px;
    border-radius: 50px;
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.search-btn:hover { background: var(--green-700); }

/* ═══════════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════════ */
.top-navbar {
    background-color: var(--gray-900) !important;
    position: sticky;
    top: 61px;
    z-index: 99;
}

.top-navbar .navbar-toggler {
    border-color: rgba(255,255,255,0.3);
}
.top-navbar .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.75)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.top-navbar .nav-link {
    color: rgba(255,255,255,0.75) !important;
    font-size: 14px;
    font-weight: 500;
    padding: 12px 16px !important;
    border-bottom: 3px solid transparent;
    transition: color 0.2s, border-color 0.2s;
    white-space: nowrap;
}
.top-navbar .nav-link:hover {
    color: var(--white) !important;
    border-bottom-color: rgba(34,197,94,0.5);
}
.top-navbar .nav-link.current {
    color: var(--green-500) !important;
    border-bottom-color: var(--green-500);
    font-weight: 700;
}

/* ═══════════════════════════════════════════════
   SHARED SECTION LABELS & HEADINGS
═══════════════════════════════════════════════ */
.section-label {
    display: inline-block;
    background: var(--green-50);
    border: 1.5px solid var(--green-100);
    color: var(--green-700);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 14px;
    border-radius: 50px;
    margin-bottom: 14px;
}

.section-heading {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    color: var(--gray-900);
    letter-spacing: -0.02em;
    margin-bottom: 36px;
    line-height: 1.2;
}

/* ═══════════════════════════════════════════════
   CAROUSEL
═══════════════════════════════════════════════ */
.carousel-section {
    background: var(--white);
    padding: 36px 0 40px;
    border-bottom: 1px solid var(--gray-200);
}

.rounded-carousel {
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.rounded-carousel img {
    max-height: 420px;
    object-fit: cover;
    width: 100%;
}

/* ═══════════════════════════════════════════════
   ABOUT SECTION
═══════════════════════════════════════════════ */
.about-section {
    background: var(--white);
    padding: 64px 0;
    border-bottom: 1px solid var(--gray-200);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: 52px;
    align-items: start;
}

.about-text p {
    font-size: 15.5px;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: 16px;
}

.about-text p strong { color: var(--gray-900); }

.about-tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 24px;
}

.tag {
    display: inline-flex;
    align-items: center;
    background: var(--gray-100);
    color: var(--gray-700);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 50px;
    border: 1px solid var(--gray-200);
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.tag:hover {
    background: var(--green-50);
    border-color: var(--green-500);
    color: var(--green-700);
}

/* About stats panel */
.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.a-stat {
    background: var(--gray-50);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 18px 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: border-color 0.2s, background 0.2s;
}
.a-stat:hover {
    border-color: var(--green-500);
    background: var(--green-50);
}
.a-num {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--green-600);
    line-height: 1;
    margin-bottom: 4px;
}
.a-label {
    font-size: 11px;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ═══════════════════════════════════════════════
   COURSES SECTION
═══════════════════════════════════════════════ */
.courses-section {
    background: var(--gray-50);
    padding: 64px 0;
    border-bottom: 1px solid var(--gray-200);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* Course Card */
.course-card {
    background: var(--white);
    border: 1.5px solid var(--gray-200);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    box-shadow: var(--shadow-sm);
}
.course-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--green-500);
    color: inherit;
    text-decoration: none;
}

.course-card.featured {
    border-color: var(--green-500);
    box-shadow: 0 0 0 3px rgba(34,197,94,0.10), var(--shadow-md);
}

.course-img-wrap {
    overflow: hidden;
    height: 190px;
    background: var(--gray-100);
}
.course-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.course-card:hover .course-img {
    transform: scale(1.05);
}

.course-info {
    padding: 20px 22px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.course-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 3px 10px;
    border-radius: 50px;
    margin-bottom: 10px;
    width: fit-content;
}
.python-badge { background: #fef9c3; color: #854d0e; }
.mysql-badge  { background: var(--green-50); color: var(--green-700); border: 1px solid var(--green-100); }
.ml-badge     { background: #ede9fe; color: #5b21b6; }

.course-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.course-desc {
    font-size: 13.5px;
    color: var(--gray-500);
    line-height: 1.6;
    margin-bottom: 18px;
    flex: 1;
}

.course-link {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--green-600);
    transition: color 0.2s;
}
.course-card:hover .course-link { color: var(--green-700); }

/* Zoom utility (kept for compatibility) */
.zoom {
    transition: transform 0.3s ease;
}

/* ═══════════════════════════════════════════════
   QUOTE SECTION
═══════════════════════════════════════════════ */
.quote-section {
    background: var(--white);
    padding: 60px 0;
    border-bottom: 1px solid var(--gray-200);
}

.quote-card {
    background: var(--gray-50);
    border: 1.5px solid var(--gray-200);
    border-left: 5px solid var(--green-500);
    border-radius: var(--radius);
    padding: 40px 48px;
    position: relative;
    max-width: 720px;
    margin: 0 auto;
}

.quote-mark {
    font-size: 5rem;
    line-height: 1;
    color: var(--green-100);
    font-family: Georgia, serif;
    position: absolute;
    top: 12px;
    left: 24px;
    pointer-events: none;
}

blockquote {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gray-900);
    line-height: 1.7;
    margin: 0 0 16px;
    padding-left: 8px;
}

cite {
    font-size: 14px;
    color: var(--gray-500);
    font-style: normal;
    font-weight: 500;
    padding-left: 8px;
}

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
footer {
    background: var(--gray-900);
    padding: 18px 0;
    margin-top: auto;
}

.footer-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: space-between;
}

.footer-logo {
    color: #4ade80;
    font-weight: 700;
    font-size: 15px;
}

.footer-copy {
    color: rgba(255,255,255,0.35);
    font-size: 13px;
}

.footer-links {
    display: flex;
    gap: 18px;
}
.footer-links a {
    color: rgba(255,255,255,0.45);
    font-size: 13px;
    text-decoration: none;
    transition: color 0.2s;
}
.footer-links a:hover { color: var(--green-500); }

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (max-width: 992px) {
    .courses-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid   { grid-template-columns: 1fr; }
    .about-stats  { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
    .courses-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
    .about-stats  { grid-template-columns: repeat(2, 1fr); }
    .quote-card   { padding: 32px 28px; }
    blockquote    { font-size: 1rem; }
}

@media (max-width: 480px) {
    .section-heading { font-size: 1.4rem; }
    .about-stats     { grid-template-columns: repeat(2, 1fr); }
    .footer-inner    { flex-direction: column; text-align: center; gap: 10px; }
}