/* Promohub.com.pl - Main Stylesheet - Updated for klpqdpil.manus.space design */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Black & Orange Theme */
    --primary-black: #000000;
    --secondary-black: #111111;
    --accent-orange: #FF6B35;
    --light-orange: #FF8C42;
    --dark-orange: #E55A2B;
    --white: #ffffff;
    --light-gray: #cccccc;
    --medium-gray: #666666;
    --dark-gray: #333333;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-black: 900;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Shadows */
    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.7);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.9);

    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-normal: 0.4s ease;
    --transition-slow: 0.6s ease;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--white);
    background-color: var(--primary-black);
    overflow-x: hidden;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ff8c42" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23ff8c42" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23ff8c42" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="%23ff8c42" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="%23ff8c42" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    background-size: 400px 400px;
    background-repeat: repeat;
    background-attachment: fixed;
    background-blend-mode: overlay;
    opacity: 0.95;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

h1 {
    font-size: clamp(4rem, 15vw, 12rem);
    font-weight: var(--font-weight-black);
    line-height: 0.8;
    letter-spacing: -0.05em;
}

h2 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: var(--font-weight-bold);
}

h3 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-semibold);
}

h4 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
}

h5 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
}

h6 {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--light-gray);
    font-size: 1rem;
    line-height: 1.7;
}

a {
    color: var(--accent-orange);
    text-decoration: none;
    transition: all var(--transition-fast);
}

a:hover {
    color: var(--light-orange);
}

/* Layout Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xxl) 0;
    background: var(--primary-black);
}

.section-dark {
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 100%);
    color: var(--white);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark h5,
.section-dark h6 {
    color: var(--white);
}

.section-dark p {
    color: rgba(255, 255, 255, 0.8);
}

/* Header */
.header {
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 140, 66, 0.2);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
    height: 80px;
}

.header.scrolled {
    background-color: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.8);
    border-bottom-color: rgba(255, 140, 66, 0.3);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0;
    height: 80px;
}

.logo {
    height: 45px;
    width: 45px;
    border-radius: 10px;
    transition: all var(--transition-fast);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    color: var(--white);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
    font-size: 1.1rem;
}

.nav-link:hover,
.nav-link.active {
    color: var(--light-orange);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-orange), var(--light-orange));
    transition: width var(--transition-fast);
    border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1rem;
    line-height: 1;
    gap: var(--spacing-xs);
    min-height: 48px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-orange), var(--light-orange));
    color: var(--white);
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--light-orange), var(--accent-orange));
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--accent-orange);
    border: 2px solid var(--accent-orange);
}

.btn-outline:hover {
    background-color: var(--light-orange);
    color: var(--white);
    border-color: var(--light-orange);
    transform: translateY(-2px);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.25rem;
    min-height: 60px;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.9rem;
    min-height: 40px;
}

/* Hero Section */
.hero {
    background: var(--primary-black);
    color: var(--white);
    padding: calc(80px + var(--spacing-xxl)) 0 var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
    margin-top: 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 153, 0, 0.08) 0%, rgba(255, 102, 0, 0.08) 100%);
    opacity: 0.4;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.hero h1 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: clamp(4rem, 15vw, 12rem);
    line-height: 0.8;
    letter-spacing: -0.05em;
    text-shadow: 0 0 30px rgba(255, 140, 66, 0.3);
}

.hero p {
    font-size: 2rem;
    margin-bottom: var(--spacing-xl);
    color: var(--white);
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xxl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(17, 17, 17, 0.8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 140, 66, 0.2);
    min-height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(10px);
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--light-orange);
    background: rgba(17, 17, 17, 0.9);
}

.stat-number {
    font-size: 4rem;
    font-weight: var(--font-weight-black);
    color: var(--accent-orange);
    display: block;
    margin-bottom: var(--spacing-sm);
    line-height: 1;
    text-shadow: 0 0 20px rgba(255, 107, 53, 0.5);
}

.stat-label {
    color: var(--white);
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    line-height: 1.3;
}

/* Features Section */
.features {
    padding: var(--spacing-xxl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.feature-card {
    background: var(--secondary-black);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--dark-gray);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 140, 66, 0.05);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.feature-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-lg);
    border-color: var(--light-orange);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--light-orange);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    position: relative;
    z-index: 2;
    transition: all var(--transition-fast);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 2;
}

.feature-card p {
    color: var(--light-gray);
    position: relative;
    z-index: 2;
}

/* Pricing Section */
.pricing {
    background-color: var(--primary-black);
    padding: var(--spacing-xxl) 0;
}

.pricing-table {
    background: var(--secondary-black);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-top: var(--spacing-xl);
}

.pricing-table table {
    width: 100%;
    border-collapse: collapse;
}

.pricing-table th,
.pricing-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-table th {
    background-color: var(--primary-black);
    color: var(--white);
    font-weight: var(--font-weight-semibold);
}

.pricing-table tr:hover {
    background-color: rgba(255, 107, 53, 0.05);
}

.price-highlight {
    color: var(--accent-orange);
    font-weight: var(--font-weight-bold);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.contact-card {
    background: var(--secondary-black);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 1px solid var(--dark-gray);
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    object-fit: contain;
    border-radius: var(--radius-md);
}

/* Form Styles */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: var(--white);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--dark-gray);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
    background: var(--secondary-black);
    color: var(--white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--light-orange);
    box-shadow: 0 0 0 3px rgba(255, 140, 66, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background-color: var(--secondary-black);
    color: var(--white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg) 0;
    border-top: 1px solid var(--dark-gray);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xs);
}

.footer-section a:hover {
    color: var(--light-orange);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--white);
    cursor: pointer;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--secondary-black);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--dark-gray);
    }

    .nav-menu.active {
        display: flex;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.25rem;
    }

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

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

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

    .container {
        padding: 0 var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.w-full { width: 100%; }
.h-full { height: 100%; }

/* Pricing Page Specific Styles */

/* Pricing Tiers */
.pricing-tiers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.pricing-tier {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    position: relative;
}

.pricing-tier:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.pricing-tier.featured {
    border-color: var(--accent-orange);
    transform: scale(1.05);
}

.pricing-tier.featured::before {
    content: '★';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-orange);
    color: var(--white);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.tier-header h3 {
    color: var(--primary-black);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.tier-volume {
    color: var(--medium-gray);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.tier-price {
    margin-bottom: var(--spacing-md);
}

.price-amount {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--accent-orange);
    display: block;
}

.price-currency {
    font-size: 1rem;
    color: var(--medium-gray);
}

.tier-location {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

/* Pricing Table Container */
.pricing-table-container {
    margin-top: var(--spacing-xxl);
}

.pricing-table-container h3 {
    color: var(--primary-black);
    margin-bottom: var(--spacing-lg);
}

/* International Pricing */
.international-pricing {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.pricing-region h3 {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.country-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.country {
    color: var(--white);
    font-weight: var(--font-weight-medium);
}

.price {
    color: var(--accent-orange);
    font-weight: var(--font-weight-bold);
}

/* Free Services */
.free-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.free-service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.free-service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.free-service-card h3 {
    color: var(--primary-black);
    margin-bottom: var(--spacing-sm);
}

.price-free {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--accent-orange);
    margin-bottom: var(--spacing-sm);
}

.free-service-card p:last-child {
    color: var(--medium-gray);
    margin-bottom: 0;
}

/* Benefits */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.benefit-card {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.benefit-card:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
}

/* Responsive adjustments for pricing */
@media (max-width: 768px) {
    .pricing-tiers {
        grid-template-columns: 1fr;
    }

    .international-pricing {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .free-services-grid {
        grid-template-columns: 1fr;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .pricing-tier.featured {
        transform: none;
    }
}

/* SMS API Page Specific Styles */

/* Platform Integrations */
.integrations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.integration-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.integration-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.integration-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.integration-card h3 {
    color: var(--primary-black);
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
}

.integration-card p {
    color: var(--medium-gray);
    margin-bottom: 0;
}

/* Technologies */
.technologies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.technology-card {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.technology-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.technology-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.technology-card h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.technology-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
    line-height: 1.5;
}

/* API Benefits */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.benefit-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
    color: var(--primary-black);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.benefit-card p {
    color: var(--medium-gray);
    margin-bottom: 0;
    line-height: 1.5;
}

/* Pricing Highlight */
.pricing-highlight {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--light-orange) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    text-align: center;
    color: var(--white);
}

.pricing-highlight-content h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.pricing-highlight-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

.price-starting {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-xs);
}

.price-starting .price-amount {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--white);
}

.price-starting .price-currency {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Usage Examples */
.usage-examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.usage-example-card {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.usage-example-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.example-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.usage-example-card h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.usage-example-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
    line-height: 1.5;
}

/* Simple Steps */
.simple-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.step-item {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
}

.step-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-orange);
    color: var(--white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
}

.step-item h3 {
    color: var(--primary-black);
    margin: var(--spacing-md) 0 var(--spacing-sm) 0;
    font-size: 1.3rem;
}

.step-item p {
    color: var(--medium-gray);
    margin-bottom: 0;
    line-height: 1.5;
}

/* Business Solutions */
.business-solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.business-solution-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.business-solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.solution-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.business-solution-card h3 {
    color: var(--primary-black);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.business-solution-card p {
    color: var(--medium-gray);
    margin-bottom: 0;
    line-height: 1.5;
}

/* ROI Highlight */
.roi-highlight {
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    text-align: center;
    color: var(--white);
}

.roi-content h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.roi-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

.roi-percentage {
    font-size: 4rem;
    font-weight: var(--font-weight-bold);
    color: var(--accent-orange);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

/* Responsive adjustments for SMS API page */
@media (max-width: 768px) {
    .integrations-grid,
    .technologies-grid,
    .benefits-grid,
    .usage-examples-grid,
    .simple-steps,
    .business-solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-highlight,
    .roi-highlight {
        padding: var(--spacing-lg);
    }
    
    .price-starting .price-amount {
        font-size: 2rem;
    }
    
    .roi-percentage {
        font-size: 3rem;
    }
}

/* About Us Page Specific Styles */

/* Company Stats Grid */
.company-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.stat-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.stat-number {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    color: var(--accent-orange);
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.stat-label {
    color: var(--medium-gray);
    font-size: 1.1rem;
    font-weight: var(--font-weight-medium);
}

/* Company History Timeline */
.history-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.timeline-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
}

.timeline-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.timeline-year {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-orange);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: var(--font-weight-bold);
    font-size: 1.2rem;
}

.timeline-content {
    margin-top: var(--spacing-md);
}

.timeline-content h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
}

.timeline-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
    line-height: 1.5;
}

/* Client Examples Grid */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.client-category {
    background: var(--white);
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.client-category:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.client-category h3 {
    color: var(--primary-black);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
    text-align: center;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--accent-orange);
}

.client-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.client-item {
    background: rgba(255, 107, 53, 0.1);
    color: var(--primary-black);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    text-align: center;
    transition: all var(--transition-normal);
}

.client-item:hover {
    background: rgba(255, 107, 53, 0.2);
    transform: translateX(5px);
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.benefit-card {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
}

.benefit-card:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
}

.benefit-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.effectiveness-rate {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--accent-orange);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

/* Service Suitability Grid */
.suitability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.suitability-item {
    background: var(--white);
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.suitability-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.suitability-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.suitability-item h3 {
    color: var(--primary-black);
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
}

.suitability-item p {
    color: var(--medium-gray);
    margin-bottom: 0;
    line-height: 1.5;
}

/* Responsive adjustments for About Us page */
@media (max-width: 768px) {
    .company-stats-grid,
    .history-timeline,
    .clients-grid,
    .benefits-grid,
    .suitability-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .timeline-year {
        font-size: 1rem;
        padding: 6px 16px;
    }
    
    .effectiveness-rate {
        font-size: 2rem;
    }
}