/* ==========================================================================
   QuadERP Landing Page — Styles
   Extends the base design system for the product landing page.
   ========================================================================== */

/* ===== HERO ===== */
.erp-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.erp-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.erp-hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0, 174, 239, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 50%, rgba(0, 85, 255, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 10% 80%, rgba(0, 174, 239, 0.04) 0%, transparent 50%);
    animation: erp-gradient-pulse 8s ease-in-out infinite alternate;
}

@keyframes erp-gradient-pulse {
    0% { opacity: 0.7; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.05); }
}

.erp-hero-grid-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 70%);
}

.erp-hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.erp-hero-content {
    max-width: 560px;
}

.erp-badge {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    font-family: var(--font-heading);
    padding: 8px 20px;
    border-radius: 50px;
    background: rgba(0, 174, 239, 0.08);
    border: 1px solid rgba(0, 174, 239, 0.2);
    color: var(--accent);
    margin-bottom: 28px;
    letter-spacing: 0.5px;
    animation: erp-badge-glow 3s ease-in-out infinite;
}

@keyframes erp-badge-glow {
    0%, 100% { box-shadow: 0 0 0 rgba(0, 174, 239, 0); }
    50% { box-shadow: 0 0 20px rgba(0, 174, 239, 0.15); }
}

.erp-hero-title {
    font-size: clamp(36px, 4vw, 56px);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.15;
    margin-bottom: 24px;
    font-family: var(--font-heading);
}

.erp-hero-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 36px;
}

.erp-hero-ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.erp-btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.erp-hero-trust {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--text-muted);
}

.erp-hero-trust span {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Hero Visual / Mockup */
.erp-hero-visual {
    position: relative;
}

.erp-mockup-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.06),
        0 0 60px rgba(0, 174, 239, 0.1);
    transform: perspective(1200px) rotateY(-5deg) rotateX(2deg);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.erp-mockup-wrapper:hover {
    transform: perspective(1200px) rotateY(0deg) rotateX(0deg) scale(1.02);
}

.erp-mockup-img {
    width: 100%;
    height: auto;
    display: block;
}

.erp-mockup-glow {
    position: absolute;
    bottom: -50%;
    left: 10%;
    width: 80%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(0, 174, 239, 0.15) 0%, transparent 70%);
    pointer-events: none;
    filter: blur(40px);
}

/* Scroll Indicator */
.erp-hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 2;
    opacity: 0.5;
    transition: opacity 0.3s;
}

.erp-hero-scroll-indicator:hover {
    opacity: 1;
}

.erp-hero-scroll-indicator span {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    display: block;
    margin-bottom: 8px;
    font-family: var(--font-heading);
}

.erp-scroll-arrow {
    font-size: 20px;
    color: var(--accent);
    animation: erp-scroll-bounce 2s ease-in-out infinite;
}

@keyframes erp-scroll-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* ===== STATS ===== */
.erp-stats {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 40px 0;
}

.erp-stat-text {
    font-size: 48px;
    font-weight: 700;
    color: var(--accent) !important;
}

/* ===== FEATURES ===== */
.erp-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.erp-features-grid .service-card {
    grid-column: span 1;
}

/* ===== APP SHOWCASE ===== */
.erp-showcase-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 100px;
}

.erp-showcase-row:last-child {
    margin-bottom: 0;
}

.erp-showcase-reverse {
    direction: rtl;
}

.erp-showcase-reverse > * {
    direction: ltr;
}

.erp-showcase-img-wrapper {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.erp-showcase-img-wrapper:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(0, 174, 239, 0.1);
}

.erp-showcase-img-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.erp-showcase-img-wrapper:hover img {
    transform: scale(1.03);
}

.erp-showcase-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    margin-bottom: 16px;
    font-family: var(--font-heading);
}

.erp-showcase-content h3 {
    font-size: clamp(24px, 3vw, 32px);
    margin-bottom: 16px;
    line-height: 1.3;
}

.erp-showcase-content p {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 24px;
}

.erp-feature-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.erp-feature-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 14px;
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.5;
}

.erp-feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
    font-size: 14px;
}

/* ===== BENEFITS ===== */
.erp-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.erp-benefit-card {
    text-align: center;
    padding: 40px 28px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.erp-benefit-card:hover {
    border-color: rgba(0, 174, 239, 0.3);
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0, 174, 239, 0.08);
    background: rgba(0, 174, 239, 0.03);
}

.erp-benefit-icon {
    font-size: 36px;
    margin-bottom: 20px;
    display: inline-block;
    width: 72px;
    height: 72px;
    line-height: 72px;
    background: rgba(0, 174, 239, 0.06);
    border-radius: 50%;
}

.erp-benefit-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-family: var(--font-heading);
}

.erp-benefit-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ===== PRICING EXTRA ===== */
.erp-price-period {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-muted);
}

.erp-pricing-note {
    text-align: center;
    margin-top: 40px;
    font-size: 14px;
    color: var(--text-muted);
    padding: 16px 24px;
    background: rgba(0, 174, 239, 0.05);
    border: 1px solid rgba(0, 174, 239, 0.15);
    border-radius: 12px;
    display: inline-block;
    width: 100%;
}

/* ===== AUDIENCE / WHO IT'S FOR ===== */
.erp-audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.erp-audience-card {
    text-align: center;
    padding: 36px 24px;
}

.erp-audience-emoji {
    font-size: 48px;
    margin-bottom: 20px;
}

.erp-audience-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    font-family: var(--font-heading);
}

.erp-audience-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ===== CONTACT SECTION ===== */
.erp-contact-section {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
}

.erp-contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: start;
}

.erp-contact-form-wrapper {
    padding: 36px;
}

.erp-contact-form-wrapper h3 {
    font-family: var(--font-heading);
    font-size: 22px;
}

.erp-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.erp-contact-form-wrapper .form-group {
    margin-bottom: 18px;
}

.erp-contact-form-wrapper label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.erp-contact-form-wrapper input,
.erp-contact-form-wrapper select,
.erp-contact-form-wrapper textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 15px;
    font-family: var(--font-body);
    transition: border-color 0.3s, box-shadow 0.3s;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.erp-contact-form-wrapper select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2399a1b3' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

.erp-contact-form-wrapper input:focus,
.erp-contact-form-wrapper select:focus,
.erp-contact-form-wrapper textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 174, 239, 0.1);
}

.erp-contact-form-wrapper input::placeholder,
.erp-contact-form-wrapper textarea::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.erp-contact-form-wrapper textarea {
    resize: vertical;
    min-height: 80px;
}

/* Info Card */
.erp-contact-info-card {
    padding: 32px;
    text-align: center;
}

.erp-contact-info-card h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    margin-bottom: 8px;
}

/* Highlights */
.erp-contact-highlights {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.erp-highlight-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: border-color 0.3s;
}

.erp-highlight-item:hover {
    border-color: rgba(0, 174, 239, 0.3);
}

.erp-highlight-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.erp-highlight-item strong {
    display: block;
    font-size: 15px;
    font-family: var(--font-heading);
    color: var(--text-primary);
    margin-bottom: 2px;
}

.erp-highlight-item p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.4;
}

/* ==========================================================================
   RESPONSIVE — QuadERP
   ========================================================================== */

@media (max-width: 1024px) {
    .erp-hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .erp-hero-content {
        max-width: 100%;
    }

    .erp-hero-ctas,
    .erp-hero-trust {
        justify-content: center;
    }

    .erp-mockup-wrapper {
        transform: none;
        max-width: 600px;
        margin: 0 auto;
    }

    .erp-mockup-wrapper:hover {
        transform: scale(1.02);
    }

    .erp-showcase-row {
        grid-template-columns: 1fr;
        gap: 40px;
        margin-bottom: 80px;
    }

    .erp-showcase-reverse {
        direction: ltr;
    }

    .erp-showcase-content {
        text-align: center;
    }

    .erp-feature-list {
        text-align: left;
        max-width: 400px;
        margin: 0 auto;
    }

    .erp-contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .erp-hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .erp-hero-title {
        font-size: 32px;
    }

    .erp-hero-subtitle {
        font-size: 16px;
    }

    .erp-hero-trust {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }

    .erp-hero-scroll-indicator {
        display: none;
    }

    .erp-features-grid,
    .erp-benefits-grid,
    .erp-audience-grid {
        grid-template-columns: 1fr;
    }

    .erp-showcase-row {
        margin-bottom: 60px;
    }

    .erp-btn-lg {
        padding: 14px 28px;
        font-size: 15px;
        width: 100%;
    }

    .erp-hero-ctas {
        flex-direction: column;
    }

    .erp-form-row {
        grid-template-columns: 1fr;
    }

    .erp-contact-form-wrapper {
        padding: 24px;
    }

    .erp-stat-text {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .erp-hero-title {
        font-size: 28px;
    }

    .erp-badge {
        font-size: 12px;
        padding: 6px 16px;
    }

    .erp-audience-grid {
        gap: 16px;
    }

    .erp-audience-card {
        padding: 28px 20px;
    }

    .erp-contact-form-wrapper {
        padding: 20px;
    }
}