/**
 * Landing Page Styles — Redesigned
 * iDempiere Developer Certification Platform
 */

/* ==========================================================================
   Section Layout
   ========================================================================== */

.idcert-section {
    padding: 4rem 0;
}

.idcert-section--alt {
    background-color: var(--color-surface, #f8f9fa);
}

.idcert-section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text, #222);
}

.idcert-section-subtitle {
    text-align: center;
    font-size: 1.15rem;
    color: var(--color-text-secondary, #555);
    margin-bottom: 2.5rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.idcert-btn {
    display: inline-block;
    background-color: var(--color-success, #00a32a);
    color: #fff;
    padding: 0.85rem 2rem;
    border-radius: var(--radius-md, 6px);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.2s ease, transform 0.2s ease;
    border: none;
    cursor: pointer;
}

.idcert-btn:hover,
.idcert-btn:focus {
    background-color: var(--color-success-dark, #008c24);
    color: #fff;
    text-decoration: none;
    transform: translateY(-1px);
}

.idcert-btn--outline {
    background: transparent;
    border: 2px solid #fff;
    color: #fff;
}

.idcert-btn--outline:hover,
.idcert-btn--outline:focus {
    background: #fff;
    color: var(--color-primary, #006699);
    transform: translateY(-1px);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.idcert-hero {
    background: linear-gradient(135deg, #003050 0%, #006699 50%, #0088bb 100%);
    color: #fff;
    text-align: center;
    padding: 5rem 1.5rem;
    position: relative;
}

.idcert-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #fff;
}

.idcert-hero .idcert-hero-subtitle {
    font-size: 1.25rem;
    max-width: 720px;
    margin: 0 auto 2rem;
    line-height: 1.7;
    opacity: 0.95;
}

.idcert-hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.idcert-hero-stat {
    text-align: center;
}

.idcert-hero-stat strong {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
}

.idcert-hero-stat span {
    font-size: 0.9rem;
    opacity: 0.85;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.idcert-hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.idcert-hero .idcert-btn {
    font-size: 1.15rem;
    padding: 1rem 2.5rem;
}

/* ==========================================================================
   Open Projects Ticker
   ========================================================================== */

.idcert-project-ticker {
    background: var(--color-surface, #f8f9fa);
    border-bottom: 1px solid var(--color-border, #e2e8f0);
    padding: 0.65rem 0;
    overflow: hidden;
}
.idcert-project-ticker .container {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.idcert-ticker-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary, #006699);
    white-space: nowrap;
    flex-shrink: 0;
}
.idcert-ticker-track {
    flex: 1;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 3%, black 97%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 3%, black 97%, transparent);
}
.idcert-ticker-scroll {
    display: flex;
    gap: 2rem;
    animation: idcert-ticker-scroll 30s linear infinite;
    width: max-content;
}
.idcert-ticker-scroll:hover {
    animation-play-state: paused;
}
.idcert-ticker-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    text-decoration: none;
    color: var(--color-text, #1a1a2a);
    font-size: 0.85rem;
    padding: 0.3rem 0.75rem;
    border-radius: 6px;
    transition: background 0.15s, color 0.15s;
    flex-shrink: 0;
}
.idcert-ticker-item:hover {
    background: var(--color-primary-light, #e8f4fd);
    color: var(--color-primary, #006699);
    text-decoration: none;
}
.idcert-ticker-title {
    font-weight: 500;
}
.idcert-ticker-budget {
    font-size: 0.75rem;
    color: var(--color-text-secondary, #555);
    background: var(--color-border, #e2e8f0);
    padding: 0.1rem 0.45rem;
    border-radius: 4px;
    font-weight: 600;
}

@keyframes idcert-ticker-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Dark mode */
html[data-theme='dark'] .idcert-project-ticker {
    background: var(--color-surface, #1e1e2e);
    border-bottom-color: var(--color-border, #2d2d3f);
}
html[data-theme='dark'] .idcert-ticker-budget {
    background: var(--color-border, #2d2d3f);
    color: var(--color-text-secondary, #999);
}

/* Mobile */
@media (max-width: 767.98px) {
    .idcert-ticker-label {
        font-size: 0.7rem;
    }
    .idcert-ticker-item {
        font-size: 0.8rem;
    }
}

/* ==========================================================================
   Module Cards
   ========================================================================== */

.idcert-modules-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.idcert-module-card {
    background: var(--color-bg, #fff);
    border: 1px solid var(--color-border, #e0e0e0);
    border-top: 3px solid var(--color-primary, #006699);
    border-radius: var(--radius-md, 8px);
    padding: 2.5rem 1.5rem 2rem;
    text-align: center;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.idcert-module-card:hover {
    box-shadow: var(--shadow-hover, 0 8px 30px rgba(0, 102, 153, 0.15));
    transform: translateY(-4px);
}

.idcert-module-card--architecture { border-top-color: #2196F3; }
.idcert-module-card--plugin { border-top-color: #4CAF50; }
.idcert-module-card--production { border-top-color: #FF9800; }
.idcert-module-card--financial { border-top-color: #9C27B0; }

.idcert-module-card .idcert-card-icon {
    font-size: 3rem;
    margin-bottom: 1.25rem;
    display: block;
}

.idcert-module-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--color-text, #222);
}

.idcert-module-card p {
    font-size: 0.95rem;
    color: var(--color-text-secondary, #555);
    line-height: 1.6;
}

.idcert-card-link {
    display: inline-block;
    margin-top: 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary, #006699);
    text-decoration: none;
}

.idcert-card-link:hover,
.idcert-card-link:focus {
    color: var(--color-primary-dark, #004466);
    text-decoration: underline;
}

/* ==========================================================================
   How It Works — Steps with Connectors
   ========================================================================== */

.idcert-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1rem;
    position: relative;
}

.idcert-step {
    text-align: center;
    padding: 1.5rem 1rem;
    position: relative;
}

.idcert-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 28px;
    right: -1rem;
    width: 2rem;
    height: 2px;
    background: var(--color-border, #e2e8f0);
}

.idcert-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--color-primary, #006699);
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    position: relative;
    z-index: 1;
}

.idcert-step h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--color-text, #222);
}

.idcert-step p {
    font-size: 0.95rem;
    color: var(--color-text-secondary, #555);
    line-height: 1.6;
}

/* ==========================================================================
   Value Propositions
   ========================================================================== */

.idcert-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1rem;
}

.idcert-value {
    text-align: center;
    padding: 1.5rem 1rem;
}

.idcert-value .idcert-value-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
    color: var(--color-primary, #006699);
}

.idcert-value h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--color-text, #222);
}

.idcert-value p {
    font-size: 0.95rem;
    color: var(--color-text-secondary, #555);
    line-height: 1.6;
}

/* ==========================================================================
   Social Proof
   ========================================================================== */

.idcert-social-proof {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1rem;
}

.idcert-proof-item {
    text-align: center;
    padding: 1.5rem 1rem;
}

.idcert-proof-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 1rem;
}

.idcert-proof-item strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--color-text, #222);
}

.idcert-proof-item p {
    font-size: 0.95rem;
    color: var(--color-text-secondary, #555);
    line-height: 1.6;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.idcert-cta {
    text-align: center;
    padding: 3rem 2rem;
}

.idcert-cta-card {
    background: linear-gradient(135deg, var(--color-primary-light, #e8f4fd) 0%, #f0f6fa 100%);
    border-radius: var(--radius-lg, 12px);
    padding: 3rem 2rem;
    max-width: 700px;
    margin: 0 auto;
}

.idcert-cta-card h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-text, #222);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .idcert-modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .idcert-hero {
        padding: 3rem 1rem;
    }

    .idcert-hero h1 {
        font-size: 2rem;
    }

    .idcert-hero .idcert-hero-subtitle {
        font-size: 1.05rem;
    }

    .idcert-hero-stats {
        gap: 1.5rem;
    }

    .idcert-hero-stat strong {
        font-size: 2rem;
    }

    .idcert-hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .idcert-modules-grid {
        grid-template-columns: 1fr;
    }

    .idcert-steps {
        grid-template-columns: 1fr;
    }

    .idcert-step:not(:last-child)::after {
        display: none;
    }

    .idcert-values {
        grid-template-columns: 1fr;
    }

    .idcert-social-proof {
        grid-template-columns: 1fr;
    }

    .idcert-section-title {
        font-size: 1.6rem;
    }

    .idcert-cta-card {
        padding: 2rem 1.5rem;
    }
}