/* ==========================================================================
   Base & Reset
   ========================================================================== */
:root {
    /* Colors */
    --primary: #d0181e;
    --primary-dark: #a81218;
    --secondary: #152844;
    --secondary-dark: #0f1d33;
    
    --bg-light: #ffffff;
    --bg-off: #f8fafc;
    --bg-gray: #f1f5f9;
    
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    
    /* Typography */
    --font-sans: 'Inter', sans-serif;
    --font-display: 'Outfit', sans-serif;
    
    /* Effects */
    --shadow-sm: 0 1px 3px 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-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--secondary);
    line-height: 1.2;
}

.section-title {
    font-size: clamp(32px, 4vw, 46px);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-title span {
    color: var(--primary);
}

.section-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(208, 24, 30, 0.1);
    color: var(--primary);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 48px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 14px rgba(208, 24, 30, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(208, 24, 30, 0.4);
}

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

.btn-secondary:hover {
    border-color: var(--secondary);
    background: var(--bg-off);
}

.btn-primary-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 10px 24px;
    border-radius: 8px;
    font-family: var(--font-display);
    font-weight: 600;
}

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

/* ==========================================================================
   Header
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.header.scrolled {
    padding: 12px 0;
    box-shadow: var(--shadow-md);
}

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

.logo img {
    height: 48px;
    transition: var(--transition);
}

.header.scrolled .logo img {
    height: 40px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 15px;
    color: var(--text-main);
    position: relative;
}

.nav-link:not(.btn-primary-outline)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-link:not(.btn-primary-outline):hover::after {
    width: 100%;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--secondary);
    transition: var(--transition);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    padding: 160px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(21, 40, 68, 0.95) 0%, rgba(28, 51, 86, 0.8) 100%);
}

.hero-content {
    max-width: 700px;
}

.hero-content .badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    color: white;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 24px;
    letter-spacing: 0.05em;
}

.hero-title {
    color: white;
    font-size: clamp(40px, 5vw, 64px);
    margin-bottom: 20px;
}

.hero-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 20px;
    margin-bottom: 40px;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 64px;
}

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

.stat-item h3 {
    color: white;
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 4px;
}

.stat-item p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services {
    padding: 100px 0;
    background: var(--bg-off);
}

.section-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(208, 24, 30, 0.3);
}

.service-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-tag {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(4px);
    padding: 6px 12px;
    border-radius: 4px;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.service-info {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-info h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.service-info p {
    color: var(--text-muted);
    font-size: 15px;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
    padding: 100px 0;
    background: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid var(--primary);
    border-radius: var(--radius);
    z-index: 1;
    pointer-events: none;
    transform: translate(12px, 12px);
}

.about-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
    border-radius: var(--radius);
    position: relative;
    z-index: 2;
}

.experience-badge {
    position: absolute;
    bottom: -1px;
    left: -1px;
    background: var(--primary);
    padding: 24px;
    border-top-right-radius: var(--radius);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 4px -4px 15px rgba(0,0,0,0.1);
}

.exp-number {
    color: white;
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 800;
    line-height: 1;
}

.exp-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 4px;
}

.about-desc {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.benefits-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    font-weight: 500;
}

.check-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(208, 24, 30, 0.1);
    color: var(--primary);
    border-radius: 50%;
    font-size: 12px;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ==========================================================================
   Contact / Form Section
   ========================================================================== */
.contact {
    padding: 100px 0;
    background: var(--secondary);
    color: white;
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.03"><path d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/></g></g></svg>');
}

.contact-wrapper {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.contact-title {
    color: white;
    font-size: clamp(32px, 4vw, 48px);
    margin-bottom: 20px;
}

.contact-desc {
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    margin-bottom: 40px;
}

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

.detail-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.icon-box {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.detail-item h4 {
    color: white;
    font-size: 15px;
    margin-bottom: 4px;
}

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

.contact-form-container {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    color: var(--text-main);
}

.lead-form h3 {
    font-size: 24px;
    margin-bottom: 24px;
    color: var(--secondary);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

label {
    display: block;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--secondary);
}

input, select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 15px;
    color: var(--text-main);
    background: var(--bg-off);
    transition: var(--transition);
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(208, 24, 30, 0.1);
}

.custom-select-wrapper select {
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="%2364748b" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.btn-submit {
    width: 100%;
    margin-top: 10px;
    position: relative;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
    position: absolute;
    right: 24px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.form-message {
    margin-top: 16px;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    text-align: center;
    display: none;
    font-weight: 500;
}

.form-message.success {
    background: #dcfce7;
    color: #166534;
    display: block;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    display: block;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 48px;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    max-width: 320px;
}

.footer-links h4, .footer-social h4 {
    font-family: var(--font-display);
    font-size: 16px;
    margin-bottom: 20px;
    color: white;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

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

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 13px;
}

/* ==========================================================================
   Reviews Section
   ========================================================================== */
.reviews {
    padding: 100px 0;
    background: var(--bg-light);
}

.reviews-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.review-card {
    background: var(--bg-off);
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(208, 24, 30, 0.2);
}

.review-stars {
    font-size: 16px;
    margin-bottom: 16px;
}

.review-text {
    font-size: 15px;
    font-style: italic;
    color: var(--text-main);
    margin-bottom: 24px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 16px;
    border-top: 1px solid var(--border);
    padding-top: 16px;
}

.author-avatar {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: bold;
    font-family: var(--font-display);
}

.author-info h4 {
    font-size: 14px;
    margin-bottom: 2px;
}

.author-info span {
    font-size: 12px;
    color: var(--text-muted);
}

/* ==========================================================================
   Modal
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 29, 51, 0.85);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    width: 100%;
    max-width: 600px;
    border-radius: 16px;
    padding: 32px;
    position: relative;
    transform: translateY(30px) scale(0.95);
    transition: var(--transition);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: transparent;
    border: none;
    font-size: 32px;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

.modal-close:hover {
    color: var(--primary);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: clamp(32px, 6vw, 48px);
    }
}

@media (max-width: 768px) {
    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 24px;
        box-shadow: var(--shadow-md);
        gap: 20px;
    }
    
    .nav-list.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero {
        padding-top: 120px;
        min-height: auto;
    }

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

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