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

:root {
    --color-primary: #0d2a4a;
    --color-primary-dark: #071a2f;
    --color-secondary: #ff6b00;
    --color-secondary-hover: #e55f00;
    --color-text-dark: #1a1a1a;
    --color-text-medium: #4a4a4a;
    --color-text-light: #7a7a7a;
    --color-background: #ffffff;
    --color-background-light: #f8f9fa;
    --color-border: #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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--color-text-dark);
    background-color: var(--color-background);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-background);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--color-border);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-text-dark);
}

.nav-logo {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    color: var(--color-secondary);
    border: 2px solid var(--color-secondary);
}

.nav-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.nav-brand-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
}

.nav-brand-tag {
    font-size: 11px;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-medium);
    font-size: 15px;
    font-weight: 500;
    position: relative;
    padding: 8px 0;
    transition: var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: var(--transition-base);
}

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

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

.nav-link-cta {
    background-color: var(--color-secondary);
    color: white;
    padding: 10px 24px;
    border-radius: 6px;
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    background-color: var(--color-secondary-hover);
    color: white;
}

/* Hero */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    padding: 120px 0 100px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 20% 50%, rgba(255, 107, 0, 0.1) 0%, transparent 50%), radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.3;
    background: linear-gradient(45deg, transparent 49%, rgba(255, 255, 255, 0.02) 49%, rgba(255, 255, 255, 0.02) 51%, transparent 51%);
    background-size: 60px 60px;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-pretitle {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
    background-color: rgba(255, 107, 0, 0.15);
    padding: 6px 16px;
    border-radius: 20px;
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    color: white;
    line-height: 1.15;
    letter-spacing: -1.2px;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 650px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    transition: var(--transition-base);
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-secondary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(255, 107, 0, 0.35);
}

.btn-primary:hover {
    background-color: var(--color-secondary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(255, 107, 0, 0.45);
}

.btn-outline {
    background-color: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
}

.btn-block {
    width: 100%;
}

.hero-stats {
    display: flex;
    gap: 48px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat {
    display: flex;
    flex-direction: column;
}

.hero-stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--color-secondary);
    line-height: 1;
    margin-bottom: 6px;
}

.hero-stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-dark {
    background-color: var(--color-background-light);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-pretitle {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-secondary);
    margin-bottom: 12px;
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    color: var(--color-primary-dark);
    letter-spacing: -0.8px;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: center;
}

.about-text {
    font-size: 16px;
    color: var(--color-text-medium);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 32px;
}

.about-value {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.about-value-icon {
    width: 28px;
    height: 28px;
    background-color: rgba(255, 107, 0, 0.1);
    color: var(--color-secondary);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.about-value h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 4px;
}

.about-value p {
    font-size: 14px;
    color: var(--color-text-light);
}

.about-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.about-card-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.about-card h4 {
    font-size: 20px;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
}

.about-card p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background-color: var(--color-background);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(255, 107, 0, 0.3);
}

.service-icon-wrapper {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.1) 0%, rgba(255, 107, 0, 0.05) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon {
    font-size: 28px;
}

.service-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Differentials */
.differentials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.differential-card {
    padding: 40px 32px;
    background-color: var(--color-background);
    border-radius: 12px;
    border-left: 4px solid var(--color-secondary);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.differential-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.differential-number {
    font-size: 48px;
    font-weight: 800;
    color: rgba(13, 42, 74, 0.08);
    line-height: 1;
    margin-bottom: 20px;
}

.differential-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 10px;
}

.differential-card p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 64px;
}

.contact-description {
    font-size: 16px;
    color: var(--color-text-medium);
    margin-bottom: 32px;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-background);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.contact-item h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 15px;
    color: var(--color-text-medium);
}

.contact-form-wrapper {
    background-color: var(--color-background);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-medium);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    color: var(--color-text-dark);
    background-color: var(--color-background);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background-color: var(--color-primary-dark);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo .logo {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    color: var(--color-secondary);
    border: 2px solid var(--color-secondary);
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-nav h4,
.footer-contact h4 {
    font-size: 15px;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.footer-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-base);
}

.footer-nav a:hover {
    color: var(--color-secondary);
}

.footer-contact p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
}

.footer-bottom {
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive */
@media (max-width: 968px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

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

    .nav-menu {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

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