/* ══════════════════════════════════════════════════════════════
   omDoc Home – Landing Page Styles
   Uses OmOmega primary color scheme (green #0a7c42)
   ══════════════════════════════════════════════════════════════ */

/* --- Scoped Variables --- */
.omdoc-home {
    --odh-primary: #0a7c42;
    --odh-primary-dark: #065a30;
    --odh-primary-light: #e8f5ee;
    --odh-primary-rgb: 10, 124, 66;
    --odh-text: #2d3748;
    --odh-muted: #718096;
    --odh-surface: #f7fafc;
    --odh-white: #ffffff;
    --odh-border: #e2e8f0;
    --odh-radius: 16px;
    --odh-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    --odh-shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.12);
    --odh-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);

    /* Card accent colors */
    --odh-card-iot: #0a7c42;
    --odh-card-iot-light: #e8f5ee;
    --odh-card-iot-glow: rgba(10, 124, 66, 0.12);

    --odh-card-python: #4a6fa5;
    --odh-card-python-light: #edf2f9;
    --odh-card-python-glow: rgba(74, 111, 165, 0.12);

    --odh-card-ielts: #0a7c42;
    --odh-card-ielts-light: #e8f5ee;
    --odh-card-ielts-glow: rgba(10, 124, 66, 0.12);
}

/* --- Base Layout --- */
.omdoc-home {
    font-family: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 24px 40px;
    background:
        radial-gradient(ellipse 80% 50% at 50% 20%, rgba(10, 124, 66, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(74, 111, 165, 0.03) 0%, transparent 50%),
        var(--odh-surface);
}

/* --- Hero Section --- */
.omdoc-home__hero {
    text-align: center;
    margin-bottom: 56px;
    position: relative;
}

.omdoc-home__icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--odh-primary) 0%, #0d9950 50%, #10b95c 100%);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 28px rgba(var(--odh-primary-rgb), 0.3);
    animation: odh-iconFloat 6s ease-in-out infinite alternate;
}

.omdoc-home__icon i {
    font-size: 32px;
    color: var(--odh-white);
}

@keyframes odh-iconFloat {
    0%   { transform: translateY(0); }
    100% { transform: translateY(-6px); }
}

.omdoc-home__title {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--odh-text);
    margin: 0 0 12px;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.omdoc-home__title span {
    background: linear-gradient(135deg, var(--odh-primary) 0%, #10b95c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.omdoc-home__subtitle {
    font-size: 1.15rem;
    color: var(--odh-muted);
    margin: 0;
    font-weight: 400;
    line-height: 1.6;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Cards Grid --- */
.omdoc-home__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
    max-width: 1100px;
    width: 100%;
}

/* --- Card Base --- */
.omdoc-home__card {
    position: relative;
    background: var(--odh-white);
    border-radius: var(--odh-radius);
    border: 1px solid var(--odh-border);
    padding: 40px 36px 36px;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    overflow: hidden;
    box-shadow: var(--odh-shadow);
    transition:
        transform var(--odh-transition),
        box-shadow var(--odh-transition),
        border-color var(--odh-transition);
    cursor: pointer;
}

.omdoc-home__card:hover {
    transform: translateY(-8px);
    box-shadow: var(--odh-shadow-hover);
    text-decoration: none;
    color: inherit;
}

/* Top accent bar */
.omdoc-home__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    border-radius: var(--odh-radius) var(--odh-radius) 0 0;
    transition: height var(--odh-transition);
}

.omdoc-home__card:hover::before {
    height: 5px;
}

/* --- OmRadio (IoT) Card --- */
.omdoc-home__card--iot::before {
    background: linear-gradient(90deg, var(--odh-card-iot) 0%, #10b95c 100%);
}

.omdoc-home__card--iot:hover {
    border-color: rgba(10, 124, 66, 0.3);
}

.omdoc-home__card--iot .omdoc-home__card-icon {
    background: var(--odh-card-iot-light);
    color: var(--odh-card-iot);
    border: 2px solid rgba(10, 124, 66, 0.15);
}

.omdoc-home__card--iot:hover .omdoc-home__card-icon {
    background: var(--odh-card-iot);
    color: var(--odh-white);
    border-color: var(--odh-card-iot);
    box-shadow: 0 8px 24px var(--odh-card-iot-glow);
}

.omdoc-home__card--iot .omdoc-home__card-btn {
    color: var(--odh-card-iot);
    border-color: var(--odh-card-iot);
}

.omdoc-home__card--iot:hover .omdoc-home__card-btn {
    background: var(--odh-card-iot);
    color: var(--odh-white);
    box-shadow: 0 4px 16px var(--odh-card-iot-glow);
}

/* --- Python Card --- */
.omdoc-home__card--python::before {
    background: linear-gradient(90deg, var(--odh-card-python) 0%, #6b8fc4 100%);
}

.omdoc-home__card--python:hover {
    border-color: rgba(74, 111, 165, 0.3);
}

.omdoc-home__card--python .omdoc-home__card-icon {
    background: var(--odh-card-python-light);
    color: var(--odh-card-python);
    border: 2px solid rgba(74, 111, 165, 0.15);
}

.omdoc-home__card--python:hover .omdoc-home__card-icon {
    background: var(--odh-card-python);
    color: var(--odh-white);
    border-color: var(--odh-card-python);
    box-shadow: 0 8px 24px var(--odh-card-python-glow);
}

.omdoc-home__card--python .omdoc-home__card-btn {
    color: var(--odh-card-python);
    border-color: var(--odh-card-python);
}

.omdoc-home__card--python:hover .omdoc-home__card-btn {
    background: var(--odh-card-python);
    color: var(--odh-white);
    box-shadow: 0 4px 16px var(--odh-card-python-glow);
}

/* --- IELTS Card --- */
.omdoc-home__card--ielts::before {
    background: linear-gradient(90deg, var(--odh-card-ielts) 0%, #10b95c 100%);
}

.omdoc-home__card--ielts:hover {
    border-color: rgba(10, 124, 66, 0.3);
}

.omdoc-home__card--ielts .omdoc-home__card-icon {
    background: var(--odh-card-ielts-light);
    color: var(--odh-card-ielts);
    border: 2px solid rgba(10, 124, 66, 0.15);
}

.omdoc-home__card--ielts:hover .omdoc-home__card-icon {
    background: var(--odh-card-ielts);
    color: var(--odh-white);
    border-color: var(--odh-card-ielts);
    box-shadow: 0 8px 24px var(--odh-card-ielts-glow);
}

.omdoc-home__card--ielts .omdoc-home__card-btn {
    color: var(--odh-card-ielts);
    border-color: var(--odh-card-ielts);
}

.omdoc-home__card--ielts:hover .omdoc-home__card-btn {
    background: var(--odh-card-ielts);
    color: var(--odh-white);
    box-shadow: 0 4px 16px var(--odh-card-ielts-glow);
}

/* --- Card Icon --- */
.omdoc-home__card-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin-bottom: 24px;
    transition: all var(--odh-transition);
}

/* --- Card Text --- */
.omdoc-home__card-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--odh-text);
    margin: 0 0 10px;
    line-height: 1.3;
}

.omdoc-home__card-desc {
    font-size: 0.95rem;
    color: var(--odh-muted);
    line-height: 1.65;
    margin: 0 0 28px;
    flex: 1;
}

/* --- Card Button --- */
.omdoc-home__card-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 28px;
    border-radius: 8px;
    font-size: 0.92rem;
    font-weight: 600;
    border: 2px solid;
    background: transparent;
    text-decoration: none;
    transition: all var(--odh-transition);
    cursor: pointer;
}

.omdoc-home__card-btn i {
    font-size: 14px;
    transition: transform var(--odh-transition);
}

.omdoc-home__card:hover .omdoc-home__card-btn i {
    transform: translateX(4px);
}

/* --- Stats Row --- */
.omdoc-home__stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    margin-top: 48px;
    padding-top: 40px;
    border-top: 1px solid var(--odh-border);
    max-width: 600px;
    width: 100%;
}

.omdoc-home__stat {
    text-align: center;
}

.omdoc-home__stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--odh-primary);
    line-height: 1.2;
}

.omdoc-home__stat-label {
    font-size: 0.82rem;
    color: var(--odh-muted);
    font-weight: 500;
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* --- Entrance Animations --- */
.omdoc-home__hero,
.omdoc-home__card,
.omdoc-home__stats {
    opacity: 0;
    transform: translateY(24px);
    animation: odh-fadeInUp 0.6s ease forwards;
}

.omdoc-home__hero {
    animation-delay: 0.1s;
}

.omdoc-home__card:nth-child(1) {
    animation-delay: 0.25s;
}

.omdoc-home__card:nth-child(2) {
    animation-delay: 0.4s;
}

.omdoc-home__card:nth-child(3) {
    animation-delay: 0.55s;
}

.omdoc-home__stats {
    animation-delay: 0.7s;
}

@keyframes odh-fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .omdoc-home {
        padding: 40px 16px 32px;
    }

    .omdoc-home__title {
        font-size: 2rem;
    }

    .omdoc-home__subtitle {
        font-size: 1rem;
    }

    .omdoc-home__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .omdoc-home__card {
        padding: 32px 24px 28px;
    }

    .omdoc-home__card-icon {
        width: 64px;
        height: 64px;
        font-size: 28px;
        border-radius: 16px;
    }

    .omdoc-home__stats {
        gap: 28px;
        flex-wrap: wrap;
    }

    .omdoc-home__stat-number {
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .omdoc-home__hero {
        margin-bottom: 36px;
    }

    .omdoc-home__title {
        font-size: 1.7rem;
    }

    .omdoc-home__card {
        padding: 28px 20px 24px;
    }

    .omdoc-home__card-title {
        font-size: 1.2rem;
    }

    .omdoc-home__stats {
        gap: 20px;
    }
}