@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --secondary: #6366f1;
    --accent: #f59e0b;
    --dark: #111827;
    --muted: #6b7280;
    --light: #f9fafb;
    --border: #e5e7eb;
    --soft-green: #ecfdf5;
    --soft-purple: #eef2ff;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', Arial, sans-serif;
    color: var(--dark);
    background:
        radial-gradient(circle at top left, rgba(16,185,129,0.12), transparent 28%),
        radial-gradient(circle at top right, rgba(99,102,241,0.12), transparent 30%),
        #ffffff;
}

.navbar {
    backdrop-filter: blur(18px);
    background: rgba(255,255,255,0.82) !important;
}

.brand {
    font-size: 25px;
    font-weight: 900;
    letter-spacing: -0.8px;
    color: var(--dark);
}

.brand span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-success {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: 0;
    box-shadow: 0 10px 22px rgba(16,185,129,0.28);
}

.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(16,185,129,0.34);
}

.btn-outline-success {
    border-color: rgba(16,185,129,0.45);
    color: var(--primary-dark);
}

.hero-section {
    padding: 95px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-section:before {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    right: -170px;
    top: 20px;
    background: linear-gradient(135deg, rgba(16,185,129,0.22), rgba(99,102,241,0.2));
    border-radius: 50%;
    filter: blur(20px);
    z-index: -1;
}

.hero-title {
    font-size: clamp(42px, 6vw, 72px);
    line-height: 0.98;
    font-weight: 900;
    letter-spacing: -3px;
}

.hero-text {
    font-size: 20px;
    color: var(--muted);
    max-width: 720px;
    line-height: 1.7;
}

.badge {
    padding: 10px 14px;
    border-radius: 999px;
    font-weight: 700;
}

.search-box {
    display: flex;
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(229,231,235,0.9);
    border-radius: 22px;
    overflow: hidden;
    box-shadow:
        0 24px 70px rgba(17,24,39,0.12),
        inset 0 1px 0 rgba(255,255,255,0.8);
    max-width: 760px;
}

.search-box input {
    flex: 1;
    border: 0;
    padding: 21px 24px;
    font-size: 16px;
    outline: none;
    background: transparent;
}

.search-box button {
    border: 0;
    margin: 8px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #ffffff;
    padding: 0 30px;
    font-weight: 800;
    box-shadow: 0 12px 28px rgba(99,102,241,0.28);
}

.hero-card {
    background: rgba(255,255,255,0.82);
    border: 1px solid rgba(229,231,235,0.9);
    border-radius: 30px;
    padding: 28px;
    box-shadow: 0 30px 90px rgba(17,24,39,0.14);
    backdrop-filter: blur(20px);
}

.hero-card h5 {
    font-weight: 900;
}

.prompt-preview {
    border: 1px solid rgba(229,231,235,0.88);
    border-radius: 22px;
    padding: 18px;
    margin-top: 15px;
    background: linear-gradient(180deg, #ffffff, #f9fafb);
    transition: 0.18s ease;
}

.prompt-preview:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 35px rgba(17,24,39,0.08);
}

.prompt-preview span {
    font-size: 12px;
    color: var(--secondary);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.prompt-preview strong {
    display: block;
    margin-top: 7px;
    font-weight: 800;
}

.prompt-preview p {
    margin: 7px 0 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.5;
}

.stats-section {
    padding: 24px 0 42px;
}

.stat-card {
    border: 1px solid rgba(229,231,235,0.9);
    border-radius: 24px;
    padding: 25px 18px;
    background: rgba(255,255,255,0.8);
    box-shadow: 0 18px 50px rgba(17,24,39,0.06);
}

.stat-card h2 {
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
}

.stat-card p {
    margin: 6px 0 0;
    color: var(--muted);
    font-weight: 600;
}

.bg-light {
    background: linear-gradient(180deg, #f9fafb, #ffffff) !important;
}

.category-card {
    display: block;
    text-decoration: none;
    color: var(--dark);
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(229,231,235,0.92);
    border-radius: 24px;
    padding: 24px;
    height: 100%;
    transition: 0.2s ease;
    box-shadow: 0 10px 30px rgba(17,24,39,0.04);
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 55px rgba(17,24,39,0.10);
    border-color: rgba(99,102,241,0.35);
}

.category-icon {
    width: 52px;
    height: 52px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--soft-green), var(--soft-purple));
    font-size: 28px;
    margin-bottom: 14px;
}

.category-card h5 {
    margin-bottom: 7px;
    font-weight: 850;
}

.category-card p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.45;
}

.feature-card {
    border: 1px solid rgba(229,231,235,0.92);
    border-radius: 28px;
    padding: 31px;
    height: 100%;
    background: rgba(255,255,255,0.92);
    box-shadow: 0 18px 45px rgba(17,24,39,0.06);
    transition: 0.18s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 28px 65px rgba(17,24,39,0.1);
}

.feature-card h4 {
    font-weight: 850;
}

.feature-card p {
    color: var(--muted);
    margin-bottom: 0;
    line-height: 1.6;
}

.cta-section {
    background:
        radial-gradient(circle at top left, rgba(255,255,255,0.28), transparent 30%),
        linear-gradient(135deg, var(--primary), var(--secondary));
    color: #ffffff;
    padding: 78px 0;
}

.cta-section h2 {
    font-weight: 900;
    letter-spacing: -1px;
}

.cta-section p {
    opacity: 0.92;
    font-size: 18px;
}

.footer {
    padding: 34px 0;
    background: #0b1120;
    color: #ffffff;
}

.footer small {
    color: #cbd5e1;
}

.footer-links a {
    color: #ffffff;
    text-decoration: none;
    margin-left: 20px;
    font-size: 14px;
    opacity: 0.82;
}

.footer-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .hero-section {
        padding: 58px 0;
    }

    .hero-title {
        letter-spacing: -1.8px;
    }

    .hero-text {
        font-size: 17px;
    }

    .search-box {
        flex-direction: column;
    }

    .search-box button {
        padding: 15px;
    }

    .footer-links a {
        margin-left: 0;
        margin-right: 14px;
    }
}