/* ============================================
   VARIABLES & RESET
   ============================================ */

:root {
    /* Colors */
    --primary: #022290;
    --primary-light: #0066FF;
    --accent: #00D4FF;
    --contrast: #FF6B35;
    --dark: #0A0E27;
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--primary-light) 100%);
    --gradient-hero: linear-gradient(180deg, rgba(2, 34, 144, 0.05) 0%, rgba(255, 255, 255, 0) 100%);

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 120px;
    --section-padding-mobile: 60px;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-heading: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(2, 34, 144, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(2, 34, 144, 0.15), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(2, 34, 144, 0.2), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-card: 0 0 0 1px rgba(2, 34, 144, 0.05), 0 4px 12px rgba(2, 34, 144, 0.08);

    /* Transitions */
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--gray-900);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--white);
}

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ============================================
   UTILITIES
   ============================================ */

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
    transition: var(--transition-base);
}

.logo:hover .logo-img {
    opacity: 0.8;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-menu a {
    font-weight: 500;
    color: var(--gray-700);
    transition: var(--transition-base);
}

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

.btn-nav {
    padding: 10px 24px;
    background: var(--gradient-primary);
    color: var(--white) !important;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition-base);
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    background: linear-gradient(180deg, rgba(2, 34, 144, 0.02) 0%, rgba(255, 255, 255, 1) 100%);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    animation-delay: 5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 60px 0;
}

.hero-title {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -2px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: clamp(18px, 2vw, 22px);
    color: var(--gray-700);
    margin-bottom: 40px;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 80px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

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

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-weight: 600;
    border-radius: 12px;
    transition: var(--transition-base);
    font-size: 16px;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(2, 34, 144, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(2, 34, 144, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

.btn svg {
    transition: var(--transition-base);
}

.btn:hover svg {
    transform: translateX(4px);
}

/* ============================================
   SECTIONS
   ============================================ */

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(2, 34, 144, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-700);
    line-height: 1.6;
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.service-card {
    position: relative;
    padding: 40px;
    background: var(--white);
    border-radius: 24px;
    border: 1px solid var(--gray-200);
    transition: var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.service-card.featured {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
}

.service-card.featured .service-title,
.service-card.featured .service-description,
.service-card.featured .service-features li {
    color: var(--white);
}

.service-card.featured .service-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.service-card.featured .service-link {
    color: var(--white);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: var(--white);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(2, 34, 144, 0.1);
    color: var(--primary);
    border-radius: 16px;
    margin-bottom: 24px;
    transition: var(--transition-base);
}

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

.service-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--gray-900);
}

.service-description {
    font-size: 16px;
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: 24px;
}

.service-features {
    margin-bottom: 24px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 15px;
    color: var(--gray-700);
}

.service-features li::before {
    content: "✓";
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: rgba(0, 212, 255, 0.2);
    color: var(--accent);
    border-radius: 50%;
    font-weight: 700;
    flex-shrink: 0;
}

.service-card.featured .service-features li::before {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition-base);
}

.service-link:hover {
    gap: 12px;
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */

.portfolio {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 32px;
}

.portfolio-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.portfolio-image {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition-slow);
}

.portfolio-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(2, 34, 144, 0.05) 0%, rgba(0, 102, 255, 0.05) 100%);
}

.portfolio-placeholder svg {
    color: var(--primary);
    opacity: 0.6;
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.03);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(2, 34, 144, 0.8) 0%, rgba(2, 34, 144, 0.95) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--white);
    color: var(--primary);
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition-base);
}

.portfolio-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.3);
}

.portfolio-btn svg {
    transition: var(--transition-base);
}

.portfolio-btn:hover svg {
    transform: translateX(4px);
}

.portfolio-badge {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.portfolio-content {
    padding: 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.portfolio-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(2, 34, 144, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    width: fit-content;
}

.portfolio-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.portfolio-description {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-700);
}

.portfolio-note {
    text-align: center;
    margin-top: 48px;
    font-size: 16px;
    color: var(--gray-600);
    font-style: italic;
}

/* ============================================
   PROCESS SECTION
   ============================================ */

.process {
    padding: var(--section-padding) 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
}

.process-steps {
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: 32px;
    padding: 40px;
    background: var(--white);
    border-radius: 20px;
    border: 1px solid var(--gray-200);
    margin-bottom: 24px;
    transition: var(--transition-base);
}

.process-step:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.step-number {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.step-content p {
    font-size: 16px;
    color: var(--gray-700);
    line-height: 1.6;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta {
    position: relative;
    padding: var(--section-padding) 0;
    background: var(--gray-900);
    overflow: hidden;
}

.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.orb-4 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.2) 0%, transparent 70%);
    top: -300px;
    left: -200px;
}

.orb-5 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
    bottom: -200px;
    right: -100px;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.cta-subtitle {
    font-size: 18px;
    color: var(--gray-300);
    margin-bottom: 40px;
    line-height: 1.6;
}

.cta-benefits {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 48px;
    text-align: left;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition-base);
}

.benefit-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateX(8px);
}

.benefit-item svg {
    color: var(--accent);
    flex-shrink: 0;
}

.btn-cta-main {
    background: var(--white) !important;
    color: var(--primary) !important;
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2) !important;
}

.btn-cta-main:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(255, 255, 255, 0.3) !important;
}

.cta-note {
    margin-top: 24px;
    color: var(--gray-300);
    font-size: 14px;
    font-style: italic;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    margin-bottom: 0;
}

.footer-logo {
    height: 36px;
    width: auto;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.footer-brand p {
    margin-top: 16px;
    line-height: 1.6;
    font-size: 14px;
}

.footer-column h4 {
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--gray-300);
    transition: var(--transition-base);
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--gray-800);
    text-align: center;
    font-size: 14px;
}

/* ============================================
   ANIMATIONS
   ============================================ */

[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--white);
        padding: 24px;
        box-shadow: var(--shadow-xl);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition-base);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        gap: 40px;
    }

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

    .process-step {
        flex-direction: column;
        gap: 16px;
        padding: 24px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

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

@media (max-width: 480px) {
    .stat {
        width: 100%;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 36px;
    }
}

/* ============================================
   SMOOTH SCROLL OFFSET
   ============================================ */

section {
    scroll-margin-top: 80px;
}