/* ==========================================
   CSS Custom Properties (Variables)
========================================== */
:root {
    /* Colors */
    --clr-primary: #2563eb;
    --clr-primary-light: #3b82f6;
    --clr-primary-dark: #1d4ed8;
    --clr-accent: #38bdf8;
    
    --clr-dark: #0f172a;
    --clr-darker: #020617;
    --clr-gray: #64748b;
    --clr-gray-light: #94a3b8;
    --clr-light: #f8fafc;
    --clr-white: #ffffff;

    /* Typography */
    --font-sans: 'Inter', sans-serif;
    
    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.4);
    
    /* Layout */
    --container-width: 1200px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--clr-dark);
    line-height: 1.6;
    background-color: var(--clr-white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==========================================
   Layout Utilities
========================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

.bg-light {
    background-color: var(--clr-light);
}

.bg-dark {
    background-color: var(--clr-darker);
    color: var(--clr-white);
}

.grid {
    display: grid;
    gap: 2rem;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem auto;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--clr-dark);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--clr-gray);
}

/* ==========================================
   Buttons
========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-size: 1rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
    color: var(--clr-white);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--clr-dark);
    color: var(--clr-white);
}

.btn-secondary:hover {
    background-color: var(--clr-darker);
    transform: translateY(-2px);
}

.btn-accent {
    background: linear-gradient(135deg, var(--clr-accent), var(--clr-primary));
    color: var(--clr-white);
    box-shadow: 0 4px 14px rgba(56, 189, 248, 0.3);
}

.btn-accent:hover {
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.4);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--clr-dark);
    color: var(--clr-dark);
}

.btn-outline:hover {
    background-color: var(--clr-dark);
    color: var(--clr-white);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ==========================================
   Navigation
========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--clr-dark);
}

.logo span {
    color: var(--clr-primary);
}

.nav-links {
    display: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--clr-gray);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--clr-primary);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-actions {
    display: none;
    gap: 1rem;
    align-items: center;
}

.menu-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--clr-dark);
    cursor: pointer;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 100%;
    width: 100%;
    height: 100vh;
    background-color: var(--clr-white);
    z-index: 999;
    padding: 6rem 2rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: left 0.3s ease-in-out;
}

.mobile-menu.active {
    left: 0;
}

.mobile-link {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--clr-dark);
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

/* ==========================================
   Hero Section
========================================== */
.hero {
    position: relative;
    padding: 10rem 0 6rem;
    overflow: hidden;
    background: linear-gradient(to bottom, #f8fafc, #ffffff);
}

.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
}

.shape-1 {
    top: -10%;
    right: -5%;
    width: 600px;
    height: 600px;
    background-color: var(--clr-primary);
}

.shape-2 {
    bottom: 10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background-color: var(--clr-accent);
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    text-align: center;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--clr-primary);
    border-radius: 99px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.hero-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--clr-darker), var(--clr-primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--clr-gray);
    margin-bottom: 2rem;
    font-weight: 500;
}

.highlight-box {
    background-color: var(--clr-light);
    border-left: 4px solid var(--clr-primary);
    padding: 1rem 1.5rem;
    margin: 0 auto 2.5rem;
    display: inline-block;
    border-radius: 0 8px 8px 0;
}

.highlight-text {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--clr-primary-dark);
}

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

/* Dashboard Mockup Animation */
.dashboard-mockup {
    background: var(--clr-white);
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(0,0,0,0.05);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.dashboard-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.mockup-header {
    background: #f1f5f9;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.dots {
    display: flex;
    gap: 6px;
}

.dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #cbd5e1;
}

.dots span:nth-child(1) { background: #ff5f56; }
.dots span:nth-child(2) { background: #ffbd2e; }
.dots span:nth-child(3) { background: #27c93f; }

.mockup-body {
    padding: 1.5rem;
}

.mockup-hero {
    height: 120px;
    background: linear-gradient(135deg, #e0e7ff, #dbeafe);
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

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

.mockup-card {
    height: 100px;
    background: #f8fafc;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
}

/* ==========================================
   Services Section
========================================== */
.cards-grid {
    grid-template-columns: 1fr;
}

.service-card {
    background: var(--clr-white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
    border-color: rgba(37, 99, 235, 0.2);
}

.icon-wrapper {
    width: 64px;
    height: 64px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--clr-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin: 0 auto 1.5rem;
    transition: var(--transition);
}

.service-card:hover .icon-wrapper {
    background: var(--clr-primary);
    color: var(--clr-white);
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--clr-dark);
}

.service-card p {
    color: var(--clr-gray);
    font-size: 0.95rem;
}

/* ==========================================
   Timeline / How It Works
========================================== */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 24px;
    width: 2px;
    background: #e2e8f0;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--clr-primary);
    color: var(--clr-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: var(--shadow-glow);
    position: relative;
    z-index: 2;
}

.timeline-content {
    background: var(--clr-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    flex-grow: 1;
    border: 1px solid #f1f5f9;
}

.timeline-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--clr-darker);
}

.timeline-content p {
    color: var(--clr-gray);
}

/* ==========================================
   Pricing Section
========================================== */
.pricing-highlight {
    font-weight: 600;
    color: var(--clr-primary) !important;
}

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

.pricing-card {
    background: var(--clr-white);
    border-radius: 16px;
    padding: 3rem 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid #e2e8f0;
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.popular {
    border-color: var(--clr-primary);
    box-shadow: var(--shadow-lg);
    transform: scale(1.02);
}

.pricing-card.popular:hover {
    transform: scale(1.02) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--clr-primary);
    color: var(--clr-white);
    padding: 0.5rem 1rem;
    border-radius: 99px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--shadow-glow);
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e2e8f0;
}

.pricing-header h3 {
    font-size: 1.25rem;
    color: var(--clr-gray);
    margin-bottom: 1rem;
}

.price {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--clr-darker);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.price span {
    font-size: 1.5rem;
    margin-top: 0.5rem;
}

.pricing-header p {
    color: var(--clr-primary);
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-features {
    margin-bottom: 2.5rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--clr-dark);
}

.pricing-features li i {
    color: var(--clr-primary);
    font-size: 0.875rem;
}

/* ==========================================
   Why Choose Us Section
========================================== */
.why-us-section {
    position: relative;
    overflow: hidden;
}

.why-us-grid {
    grid-template-columns: 1fr;
    align-items: center;
}

.why-us-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.why-us-content > p {
    font-size: 1.125rem;
    color: var(--clr-gray);
    margin-bottom: 2.5rem;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.benefits-list li {
    display: flex;
    gap: 1.5rem;
}

.benefit-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--clr-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.benefits-list h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.benefits-list p {
    color: var(--clr-gray);
    font-size: 0.95rem;
}

.rounded-image {
    border-radius: 20px;
}

/* ==========================================
   Contact Section
========================================== */
.contact-grid {
    grid-template-columns: 1fr;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    background: var(--clr-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 1px solid #e2e8f0;
    transition: var(--transition);
}

.info-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.info-card i {
    font-size: 2rem;
    color: var(--clr-primary);
    margin-bottom: 1rem;
}

.info-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.info-card a, .info-card p {
    color: var(--clr-gray);
    font-weight: 500;
}

.info-card a:hover {
    color: var(--clr-primary);
}

.contact-form-container {
    background: var(--clr-white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid #e2e8f0;
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* ==========================================
   Footer
========================================== */
.footer {
    background-color: var(--clr-darker);
    color: var(--clr-gray-light);
    padding: 2rem 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--clr-primary);
    transform: translateY(-3px);
}

/* ==========================================
   Animations
========================================== */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal-up.active,
.reveal-left.active,
.reveal-right.active {
    opacity: 1;
    transform: translate(0);
}

/* ==========================================
   Media Queries
========================================== */
@media (min-width: 768px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr 2fr;
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .timeline::before {
        left: 50%;
        transform: translateX(-50%);
    }

    .timeline-item {
        justify-content: flex-end;
        padding-right: 50%;
    }

    .timeline-item:nth-child(even) {
        justify-content: flex-start;
        padding-right: 0;
        padding-left: 50%;
    }

    .timeline-item:nth-child(even) .timeline-number {
        left: -25px;
        right: auto;
    }

    .timeline-number {
        position: absolute;
        right: -25px;
        top: 0;
    }
}

@media (min-width: 992px) {
    .nav-links, .nav-actions {
        display: flex;
    }

    .menu-toggle {
        display: none;
    }

    .hero-container {
        grid-template-columns: 1fr 1fr;
        text-align: left;
    }

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

    .hero-buttons {
        justify-content: flex-start;
    }

    .cards-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .why-us-grid {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }
}