/* ============================================
   ELITE CORPORATE DESIGN - SOBER & ELEGANT
   ============================================ */

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

:root {
    /* Corporate Colors - Sober & Professional */
    --navy-dark: #0A192F;
    --navy-medium: #112240;
    --navy-light: #1B2B44;
    --blue-accent: #2563EB;
    --gray-dark: #4B5563;
    --gray-medium: #6B7280;
    --gray-light: #9CA3AF;
    --white: #FFFFFF;
    --off-white: #F9FAFB;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Spacing */
    --container-width: 1280px;
    --section-padding: 100px;
    
    /* Effects */
    --transition: all 0.3s ease;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: #F9FAFB;
    color: var(--gray-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 40px;
}

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

.logo-image {
    width: 90px;
    height: 90px;
    object-fit: contain;
}

.logo-text-container {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.9rem;
    color: var(--gray-light);
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-light);
    transition: var(--transition);
}

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

.nav-phone {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    transition: var(--transition);
}

.nav-phone:hover {
    color: var(--blue-accent);
}

.btn-nav {
    padding: 10px 24px;
    background: var(--blue-accent);
    color: var(--white);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: 6px;
    transition: var(--transition);
}

.btn-nav:hover {
    background: #1D4ED8;
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* ============================================
   HERO SECTION WITH CAROUSEL
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Carousel Slides */
.hero-carousel {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.carousel-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

/* Dark Overlay */
.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1;
}

/* Hero Container */
.hero-container {
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-content-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 120px;
}

/* Glassmorphism Text Box - CENTERED */
.hero-text-box-center {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 48px 48px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 700px;
    text-align: center;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--white);
    margin-bottom: 16px;
}

.hero-description {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 28px;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    margin-bottom: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.9375rem;
    font-weight: 500;
}

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

/* Hero CTA Button */
.hero-cta {
    margin-top: 32px;
}

.btn-cta-hero {
    display: inline-block;
    padding: 16px 40px;
    background: var(--blue-accent);
    color: var(--white);
    font-size: 1.0625rem;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
}

.btn-cta-hero:hover {
    background: #1D4ED8;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    padding: var(--section-padding) 0;
    background-color: rgba(249, 250, 251, 0.85);
    background-image: url('lps-700.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    transition: opacity 2.5s ease-in-out;
}

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

.section-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--blue-accent);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 16px;
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-medium);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    cursor: pointer;
}

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

.service-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
}

.service-image-link {
    display: block;
    text-decoration: none;
}

.service-image-link:hover .service-image img {
    transform: scale(1.1);
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    cursor: pointer;
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-content {
    padding: 28px;
}

.service-content h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 12px;
}

.service-content p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-medium);
    margin-bottom: 20px;
}

.service-link {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--blue-accent);
    transition: var(--transition);
}

.service-link:hover {
    color: #1D4ED8;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--section-padding) 0;
    background-color: rgba(255, 255, 255, 0.85);
    background-image: url('lps-700.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    transition: opacity 2.5s ease-in-out;
}

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

.about-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-content {
    max-width: 560px;
}

.about-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--gray-dark);
    margin-bottom: 20px;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid #E5E7EB;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--blue-accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: var(--section-padding) 0;
    background: var(--navy-dark);
    color: var(--white);
}

.contact .section-tag {
    color: var(--blue-accent);
}

.contact .section-title {
    color: var(--white);
}

.contact .section-description {
    color: var(--gray-light);
}

.contact-top-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    max-width: 800px;
    margin: 48px auto 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: center;
    justify-content: center;
    text-align: left;
    flex-direction: row;
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    align-self: flex-start;
}

.contact-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 8px;
}

.contact-item p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-light);
}

.contact-item a {
    color: var(--blue-accent);
    transition: var(--transition);
}

.contact-item a:hover {
    color: #60A5FA;
}

.contact-form-wrapper {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 40px;
    max-width: 800px;
    margin: 32px auto;
}

.contact-bottom-info {
    display: flex;
    justify-content: center;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-email-line {
    font-size: 1rem;
    color: var(--gray-light);
    text-align: center;
}

.contact-email-line a {
    color: var(--blue-accent);
    text-decoration: none;
    transition: var(--transition);
}

.contact-email-line a:hover {
    color: #60A5FA;
}

.contact-item-center {
    display: flex;
    gap: 20px;
    align-items: center;
    justify-content: center;
}

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

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--white);
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--white);
    font-family: var(--font-primary);
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue-accent);
    background: rgba(255, 255, 255, 0.12);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    padding: 16px 40px;
    background: var(--blue-accent);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.btn-submit:hover {
    background: #1D4ED8;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.btn-submit:active {
    transform: translateY(0);
}

/* ============================================
   SERVICE DETAIL PAGES
   ============================================ */
.service-detail {
    padding: var(--section-padding) 0;
    background: var(--off-white);
    min-height: 100vh;
}

.service-detail-header {
    text-align: center;
    margin-bottom: 48px;
    padding-top: 40px;
}

.service-detail-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--navy-dark);
    margin: 16px 0 12px;
}

.service-detail-subtitle {
    font-size: 1.25rem;
    color: var(--gray-dark);
}

.video-container {
    max-width: 895px;
    margin: 0 auto 48px;
    border-radius: 0px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    background: var(--navy-dark);
}

.video-container video {
    width: 100%;
    height: auto;
    display: block;
    max-height: 500px;
    object-fit: contain;
    transition: opacity 1.5s ease;
    background: #ffffff;
}

.image-carousel-detail {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
    border-radius: 12px;
}

.img-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}

.img-slide.active {
    opacity: 1;
}

.service-description {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    padding: 48px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.service-description p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--gray-dark);
    margin-bottom: 24px;
}

.service-description h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--navy-dark);
    margin: 32px 0 20px;
}

.service-description ul {
    list-style: none;
    padding-left: 0;
}

.service-description ul li {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--gray-dark);
    padding-left: 32px;
    position: relative;
    margin-bottom: 12px;
}

.service-description ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--blue-accent);
    font-weight: 700;
    font-size: 1.25rem;
}

.home-button-container {
    text-align: center;
    margin-top: 48px;
}

.btn-home {
    display: inline-block;
    padding: 16px 48px;
    background: var(--navy-dark);
    color: var(--white);
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
    transition: var(--transition);
    letter-spacing: 2px;
}

.btn-home:hover {
    background: var(--blue-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: #000000;
    padding: 60px 0 32px;
    color: var(--gray-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.footer-logo span {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--white);
}

.footer-col p {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 12px;
}

.footer-license {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--blue-accent);
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
}

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

.footer-col a {
    font-size: 0.9375rem;
    color: var(--gray-light);
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--gray-light);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero-content-wrapper {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 73px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 73px);
        background: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        justify-content: flex-start;
        padding: 40px 20px;
        gap: 32px;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero {
        min-height: 700px;
    }
    
    .hero-content-wrapper {
        padding-top: 80px;
    }
    
    .hero-text-box-center {
        padding: 36px 28px;
        max-width: 90%;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 0.9375rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        flex-wrap: wrap;
    }
    
    .contact-top-info {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 28px 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .service-detail-title {
        font-size: 2rem;
    }
    
    .service-description {
        padding: 32px 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-text-box-center {
        padding: 32px 24px;
    }
    
    .hero-title {
        font-size: 1.875rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}