/* ===========================
   CSS Reset & Base Styles
   =========================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --accent-color: #f59e0b;
    --accent-dark: #d97706;
    
    --text-dark: #1f2937;
    --text-medium: #4b5563;
    --text-light: #6b7280;
    --text-lighter: #9ca3af;
    
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-gray: #f3f4f6;
    
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px 20px;
    --section-padding-mobile: 60px 20px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===========================
   Typography
   =========================== */

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--text-dark);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 1.875rem);
}

p {
    margin-bottom: 1rem;
}

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

.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--bg-white);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--bg-white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.125rem;
}

/* ===========================
   Navigation
   =========================== */

.navbar {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand .brand-name {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-cta {
    padding: 8px 24px;
    background-color: var(--primary-color);
    color: var(--bg-white) !important;
    border-radius: 6px;
}

.nav-cta:hover {
    background-color: var(--primary-dark);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: all 0.3s ease;
}

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

.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    padding: var(--section-padding);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--bg-white);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/hero.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.6) 0%, rgba(29, 78, 216, 0.5) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}

.hero-title {
    color: var(--bg-white);
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.hero-cta .btn-primary {
    background-color: var(--accent-color);
}

.hero-cta .btn-primary:hover {
    background-color: var(--accent-dark);
}

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

.hero-cta .btn-secondary:hover {
    background-color: var(--bg-white);
    color: var(--primary-color);
}

.hero-tagline {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* ===========================
   Value Props Section
   =========================== */

.value-props {
    padding: var(--section-padding);
    background-color: var(--bg-white);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.value-card {
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    transition: all 0.3s ease;
}

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

.value-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    color: var(--primary-color);
}

.value-icon svg {
    width: 100%;
    height: 100%;
}

.value-card h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.value-card p {
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 0;
}

/* ===========================
   Portfolio Section
   =========================== */

.portfolio {
    padding: var(--section-padding);
    background-color: var(--bg-light);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-medium);
    font-size: 1.125rem;
    margin-bottom: 0;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background-color: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.portfolio-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    background-color: var(--bg-gray);
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.05);
}

.portfolio-info {
    padding: 1.5rem;
}

.portfolio-info h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.portfolio-info p {
    color: var(--text-medium);
    margin-bottom: 1rem;
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.portfolio-link:hover {
    color: var(--primary-dark);
}

/* ===========================
   How It Works Section
   =========================== */

.how-it-works {
    padding: var(--section-padding);
    background-color: var(--bg-white);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
    padding: 2rem 1rem;
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.step h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.step p {
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 0;
}

/* ===========================
   Pricing Section
   =========================== */

.pricing {
    padding: var(--section-padding);
    background-color: var(--bg-light);
}

.pricing-card {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--bg-white);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.pricing-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--bg-white);
    padding: 3rem 2rem;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.price-setup, .price-monthly {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.price-label {
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0.9;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

.price-period {
    font-size: 1.5rem;
    font-weight: 600;
}

.price-divider {
    font-size: 2rem;
    font-weight: 300;
    opacity: 0.7;
}

.pricing-features {
    padding: 3rem 2rem;
}

.pricing-features h3 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.pricing-features ul {
    list-style: none;
    max-width: 600px;
    margin: 0 auto;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-cta {
    text-align: center;
    padding: 2rem;
    background-color: var(--bg-light);
}

.pricing-note {
    margin-top: 1rem;
    color: var(--text-medium);
    font-size: 0.95rem;
}

/* ===========================
   About Section
   =========================== */

.about {
    padding: var(--section-padding);
    background-color: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    object-fit: cover;
}

.about-placeholder {
    width: 100%;
    min-height: 300px;
    background: linear-gradient(135deg, var(--bg-gray), var(--border-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-lighter);
    font-size: 1.125rem;
    font-weight: 500;
}

.about-text h2 {
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 1rem;
}

/* ===========================
   FAQ Section
   =========================== */

.faq {
    padding: var(--section-padding);
    background-color: var(--bg-light);
}

.faq-grid {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background-color: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: var(--bg-light);
}

.faq-icon {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 0;
}

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

.cta-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--bg-white);
}

.cta-content {
    text-align: center;
    margin-bottom: 3rem;
}

.cta-content h2 {
    color: var(--bg-white);
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
}

.contact-form-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

.contact-form {
    background-color: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

.contact-form button {
    width: 100%;
    border: none;
    margin-top: 0.5rem;
}

.form-note {
    text-align: center;
    margin-top: 1rem;
    color: var(--text-medium);
    font-size: 0.95rem;
}

.form-success {
    background-color: #d1fae5;
    border: 2px solid #6ee7b7;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    color: #065f46;
}

.form-success svg {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    color: #10b981;
}

.form-success h3 {
    color: #065f46;
    margin-bottom: 0.5rem;
}

.form-success p {
    color: #047857;
    margin-bottom: 0;
}

/* ===========================
   Footer
   =========================== */

.footer {
    background-color: var(--text-dark);
    color: var(--bg-white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    color: var(--bg-white);
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    color: var(--bg-white);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--bg-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    margin-bottom: 0;
}

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

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        min-height: 500px;
        padding: var(--section-padding-mobile);
    }
    
    .pricing-header {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .price-divider {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 50px 16px;
        --section-padding-mobile: 40px 16px;
    }
    
    .value-grid,
    .portfolio-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ===========================
   Animations & Transitions
   =========================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Smooth scroll offset for anchor links */
section {
    scroll-margin-top: 80px;
}