/* ===============================================
   Custom Assembly Services - Landing Page Styles
   =============================================== */

/* Root Variables */
:root {
    --primary-red: #b82025;
    --primary-blue: #2563eb;
    --dark-blue: #1e40af;
    --light-gray: #f8fafc;
    --medium-gray: #64748b;
    --dark-gray: #1e293b;
    --white: #ffffff;
    --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);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* ===============================================
   Navigation
   =============================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

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

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

.logo-text {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-red);
    letter-spacing: 2px;
}

.logo-img {
    height: 50px;
    width: auto;
    display: block;
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.05);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

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

.btn-primary-small {
    background: var(--primary-red);
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-primary-small:hover {
    background: #a01c20;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-gray);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    padding: 20px;
}

.mobile-menu.active {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-menu a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    padding: 12px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mobile-menu a:hover {
    background: var(--light-gray);
    color: var(--primary-red);
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #cbd5e1 100%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(184, 32, 37, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(37, 99, 235, 0.08) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.hero-content {
    max-width: 900px;
    animation: fadeInUp 1s ease-out;
}

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

.hero-badge {
    display: inline-block;
    background: var(--white);
    color: var(--primary-red);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
    box-shadow: var(--shadow-md);
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--dark-gray);
}

.title-line {
    display: block;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--medium-gray);
    margin-bottom: 40px;
    max-width: 600px;
    line-height: 1.8;
}

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

.btn-primary, .btn-secondary {
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--primary-red);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: #a01c20;
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

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

.btn-secondary:hover {
    background: var(--dark-gray);
    color: var(--white);
    transform: translateY(-3px);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 600px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-red);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--medium-gray);
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-line {
    width: 2px;
    height: 60px;
    background: var(--medium-gray);
    margin: 0 auto;
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ===============================================
   Services Section
   =============================================== */
.services {
    padding: 120px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark-gray);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--medium-gray);
    line-height: 1.8;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.service-card {
    background: var(--white);
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

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

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-red), #d92028);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 16px;
}

.service-card p {
    color: var(--medium-gray);
    line-height: 1.7;
}

/* ===============================================
   About Section
   =============================================== */
.about {
    padding: 120px 0;
    background: var(--light-gray);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-text {
    font-size: 1.05rem;
    color: var(--medium-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    color: var(--dark-gray);
}

.feature-item svg {
    color: var(--primary-red);
    flex-shrink: 0;
}

.about-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}

.image-placeholder {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--medium-gray);
    box-shadow: var(--shadow-lg);
}

/* ===============================================
   Contact Section
   =============================================== */
.contact {
    padding: 120px 0;
    background: var(--light-gray);
}

.contact-content {
    max-width: 1000px;
    margin: 0 auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.contact-item {
    display: flex;
    gap: 20px;
    padding: 32px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.contact-item:last-child {
    grid-column: 1 / -1;
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.contact-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-red), #d92028);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.contact-text {
    flex: 1;
}

.contact-label {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--medium-gray);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.contact-value {
    font-size: 1.1rem;
    color: var(--dark-gray);
    font-weight: 500;
    text-decoration: none;
    line-height: 1.6;
}

.contact-value:hover {
    color: var(--primary-red);
}

/* ===============================================
   Footer
   =============================================== */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 40px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-logo .logo-text {
    color: var(--white);
}

.footer-logo p {
    margin-top: 8px;
    color: var(--medium-gray);
}

.footer-text {
    text-align: right;
}

.footer-text p {
    color: var(--medium-gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

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

/* Tablet */
@media (max-width: 968px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .contact-item:last-child {
        max-width: 100%;
    }

    .footer-text {
        text-align: left;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    .hero {
        padding-top: 80px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .stat-number {
        font-size: 2rem;
    }

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

    .btn-primary, .btn-secondary {
        width: 100%;
        text-align: center;
    }

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

    .section-title {
        font-size: 2rem;
    }

    .services,
    .about,
    .contact {
        padding: 80px 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .logo-text {
        font-size: 1.5rem;
    }

    .logo-img {
        height: 40px;
    }
}