/* ==========================================================================
   CSS Custom Properties (Variables)
   ========================================================================== */
:root {
    /* Colors */
    --color-primary: #1B2A3D; /* Deep navy blue */
    --color-accent: #F5A623; /* Amber/gold */
    --color-accent-hover: #E8941E; /* Darker amber */
    --color-text: #FFFFFF; /* White */
    --color-text-muted: #8B9CB6; /* Steel grey */
    --color-bg: #0F1923; /* Darker navy */
    --color-card-bg: rgba(27, 42, 61, 0.7); /* Glass effect */
    --color-card-border: rgba(255, 255, 255, 0.1);
    
    /* WhatsApp */
    --color-whatsapp: #25D366;
    
    /* Typography */
    --font-body: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Box Shadows */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(245, 166, 35, 0.3);
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.text-accent {
    color: var(--color-accent);
}

/* ==========================================================================
   UI Components
   ========================================================================== */
/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: 4px;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg) !important;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text) !important;
    border: 2px solid var(--color-text);
}

.btn-outline:hover {
    background-color: var(--color-text);
    color: var(--color-bg) !important;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Glass Cards */
.glass-card {
    background-color: var(--color-card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--color-card-border);
    border-radius: 12px;
    padding: 2rem;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg), 0 0 15px rgba(245, 166, 35, 0.1);
    border-color: rgba(245, 166, 35, 0.3);
}

/* Section Headers */
.section-header {
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 0;
    z-index: 1000;
    transition: background-color var(--transition-normal), padding var(--transition-normal);
    background-color: transparent;
}

.header.scrolled {
    background-color: rgba(15, 25, 35, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-card-border);
    padding: 0.5rem 0;
}

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

.logo img {
    height: 50px;
    border-radius: 4px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-list {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    color: var(--color-text);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-normal);
}

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

.header-contact-desktop {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    border-right: 1px solid rgba(255,255,255,0.2);
    padding-right: 1.5rem;
}

.phone-link {
    color: var(--color-text);
    font-weight: 600;
    font-size: 0.9rem;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    position: absolute;
    left: 0;
    transition: all var(--transition-normal);
}

.mobile-menu-btn span:nth-child(1) { top: 0; }
.mobile-menu-btn span:nth-child(2) { top: 9px; }
.mobile-menu-btn span:nth-child(3) { top: 18px; }

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 9px;
}
.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg);
    top: 9px;
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-bg);
    z-index: 999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-list {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.mobile-nav-link {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    color: var(--color-text);
}

.mobile-contact {
    text-align: center;
    color: var(--color-text-muted);
}

.mobile-contact a {
    color: var(--color-text);
    font-weight: bold;
    font-size: 1.2rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px; /* offset for header */
    overflow: hidden;
}

.hero-bg-anim {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at center, #1B2A3D 0%, #0F1923 100%);
}

.ambient-light {
    position: absolute;
    top: 20%;
    left: 20%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(245, 166, 35, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s infinite alternate;
}

.ambient-light.light-2 {
    top: 60%;
    left: 70%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    animation-delay: 2s;
}

@keyframes pulse {
    0% { transform: scale(1) translate(0, 0); opacity: 0.5; }
    100% { transform: scale(1.2) translate(-5%, 5%); opacity: 1; }
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* CSS particles added via JS */
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
}

.service-area-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    max-width: 650px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ==========================================================================
   Brands Strip
   ========================================================================== */
.brands-strip {
    background-color: rgba(0,0,0,0.3);
    padding: 2rem 0;
    border-top: 1px solid var(--color-card-border);
    border-bottom: 1px solid var(--color-card-border);
    overflow: hidden;
}

.brands-title {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
}

.brands-marquee {
    width: 100%;
    overflow: hidden;
    position: relative;
}

/* Gradient mask for smooth edges */
.brands-marquee::before, .brands-marquee::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
}

.brands-marquee::before {
    left: 0;
    background: linear-gradient(to right, var(--color-bg) 0%, transparent 100%);
}

.brands-marquee::after {
    right: 0;
    background: linear-gradient(to left, var(--color-bg) 0%, transparent 100%);
}

.brands-track {
    display: flex;
    width: max-content;
    animation: marquee 30s linear infinite;
    gap: 3rem;
}

.brand-item {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: rgba(255,255,255,0.2);
    letter-spacing: 1px;
    transition: color var(--transition-fast);
}

.brand-item:hover {
    color: var(--color-accent);
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-50% - 1.5rem)); }
}

/* ==========================================================================
   Services Grid
   ========================================================================== */
.services {
    padding: 6rem 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(245, 166, 35, 0.1);
    color: var(--color-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-card-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ==========================================================================
   Full Services Detail Tabs
   ========================================================================== */
.services-detail {
    padding: 0 0 6rem 0;
}

.services-tabs-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0;
    overflow: hidden;
}

.services-tabs {
    display: flex;
    border-bottom: 1px solid var(--color-card-border);
}

.tab-btn {
    flex: 1;
    padding: 1.5rem;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    color: var(--color-text);
    background-color: rgba(255,255,255,0.02);
}

.tab-btn.active {
    color: var(--color-accent);
    background-color: rgba(245, 166, 35, 0.05);
    box-shadow: inset 0 -2px 0 var(--color-accent);
}

.tab-content {
    display: none;
    padding: 2.5rem;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.detail-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.detail-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--color-text);
}

.detail-list svg {
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 0.1rem;
}

/* ==========================================================================
   Differentiator Section
   ========================================================================== */
.differentiator {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-bg) 100%);
    border-top: 1px solid rgba(245, 166, 35, 0.2);
    border-bottom: 1px solid rgba(245, 166, 35, 0.2);
}

.diff-title {
    color: var(--color-accent);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.diff-text {
    font-size: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
    font-weight: 300;
}

/* ==========================================================================
   How It Works
   ========================================================================== */
.how-it-works {
    padding: 6rem 0;
}

.process-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.process-line {
    position: absolute;
    top: 40px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--color-card-border), var(--color-accent), var(--color-card-border), transparent);
    z-index: 1;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.process-step {
    text-align: center;
}

.step-number {
    width: 30px;
    height: 30px;
    background-color: var(--color-accent);
    color: var(--color-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin: 0 auto 1rem auto;
}

.step-icon {
    width: 80px;
    height: 80px;
    background-color: var(--color-card-bg);
    border: 2px solid var(--color-card-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
    color: var(--color-text);
    transition: all var(--transition-normal);
}

.process-step:hover .step-icon {
    border-color: var(--color-accent);
    color: var(--color-accent);
    box-shadow: var(--shadow-glow);
    transform: scale(1.1);
}

.step-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.step-desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ==========================================================================
   Why Us
   ========================================================================== */
.why-us {
    padding: 6rem 0;
    background-color: rgba(0,0,0,0.2);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.feature-card {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.feature-icon {
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.feature-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
    padding: 6rem 0;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.contact-badges {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.badge {
    background-color: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.badge-title {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
}

.badge-link {
    font-weight: 600;
}

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testimonials {
    padding: 6rem 0;
    background-color: rgba(0,0,0,0.2);
    overflow: hidden;
}

.testimonial-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-track {
    display: flex;
    transition: transform var(--transition-slow);
}

.testimonial-slide {
    min-width: 100%;
    padding: 0 1rem;
}

.testimonial-card {
    text-align: center;
    padding: 3rem 2rem;
}

.stars {
    color: var(--color-accent);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.testimonial-text {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.testimonial-author {
    color: var(--color-text-muted);
    font-weight: 600;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.dot {
    width: 10px;
    height: 10px;
    background-color: var(--color-card-border);
    border-radius: 50%;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.dot.active {
    background-color: var(--color-accent);
}

/* ==========================================================================
   Quote / Contact Section
   ========================================================================== */
.quote {
    padding: 6rem 0;
}

.quote-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.quote-desc {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-item svg {
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.contact-item a, .contact-item span {
    color: var(--color-text);
    font-size: 1.1rem;
}

.contact-item small {
    color: var(--color-text-muted);
    display: block;
    margin-top: 0.25rem;
}

.quote-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.form-group input, .form-group textarea {
    background-color: rgba(0,0,0,0.2);
    border: 1px solid var(--color-card-border);
    border-radius: 4px;
    padding: 0.75rem 1rem;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: #0A1118;
    padding: 4rem 0 2rem 0;
    border-top: 1px solid var(--color-card-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 40px;
    margin-bottom: 1rem;
    border-radius: 4px;
    opacity: 0.8;
}

.footer-desc {
    color: var(--color-text-muted);
    max-width: 300px;
}

.footer-title {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-links ul, .footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a, .footer-contact a {
    color: var(--color-text-muted);
}

.footer-links a:hover, .footer-contact a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-card-border);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ==========================================================================
   WhatsApp Floating Button
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: var(--color-whatsapp);
    color: white !important;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(37, 211, 102, 0.4);
    z-index: 100;
    transition: all 0.3s ease;
    animation: pulse-wa 2s infinite;
}

.whatsapp-float:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(37, 211, 102, 0.6);
}

@keyframes pulse-wa {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==========================================================================
   Animations (Intersection Observer)
   ========================================================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Media Queries
   ========================================================================== */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .quote-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav, .header-contact-desktop {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .process-line {
        display: none;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
}