/* ==========================================================================
   Design Tokens & Core Variables
   ========================================================================== */
:root {
    /* Color Palette: Navy Blue & Gold */
    --primary: #0b1d3a;
    --primary-light: #162c4f;
    --primary-dark: #051024;
    --accent: #D4AF37;
    --accent-light: #e6c55c;
    --accent-dark: #b5922a;
    
    /* Variable Aliases (mapped to existing HTML classes) */
    --navy-blue: var(--primary);
    --navy-blue-light: var(--primary-light);
    --navy-blue-dark: var(--primary-dark);
    --gold: var(--accent);
    --gold-light: var(--accent-light);
    --gold-dark: var(--accent-dark);
    
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #f8fafc;
    
    --background: #fdfdfd;
    --surface: #f4f7f6;
    --border: #e5e7eb;
    
    /* Effects & Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

/* Dark Mode Overrides */
html.dark-mode {
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --background: #051024;
    --surface: #101c30;
    --border: #1e293b;
}

html.dark-mode h1, 
html.dark-mode h2, 
html.dark-mode h3, 
html.dark-mode h4, 
html.dark-mode h5, 
html.dark-mode h6 {
    color: var(--gold) !important;
}

html.dark-mode .nav-link,
html.dark-mode .form-group label,
html.dark-mode .faq-question {
    color: var(--text-primary) !important;
}

html.dark-mode .form-control {
    background-color: #0c182c;
    color: var(--text-primary);
    border-color: var(--border);
}

html.dark-mode .form-control:focus {
    background-color: #162c4f;
}

/* Theme Toggle Button Styles */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--navy-blue);
    transition: var(--transition);
}

html.dark-mode .theme-toggle {
    color: var(--gold);
}

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    color: var(--navy-blue);
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.35rem, 2.5vw, 1.75rem); }

p { margin-bottom: 1rem; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* Layout Classes */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: 5rem 0;
}

section.bg-alt {
    background-color: var(--surface);
}

section.bg-navy {
    background-color: var(--navy-blue);
    color: var(--text-light);
}

section.bg-navy h1, section.bg-navy h2, section.bg-navy h3 {
    color: var(--gold);
}

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

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    color: var(--gold);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    font-family: 'Inter', sans-serif;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ==========================================================================
   Components: Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
    color: var(--navy-blue-dark);
    font-weight: 700;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, var(--gold-dark), var(--gold-light));
    z-index: -1;
    transition: opacity 0.4s ease;
    opacity: 0;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    color: var(--navy-blue-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(212, 175, 55, 0.4);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--navy-blue);
    color: var(--navy-blue);
}

.btn-secondary:hover {
    background-color: var(--navy-blue);
    color: var(--text-light);
}

.btn-light {
    background-color: transparent;
    border-color: var(--gold);
    color: var(--gold);
}

.btn-light:hover {
    background-color: var(--gold);
    color: var(--navy-blue);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1200px;
    z-index: 1000;
    border-radius: 100px;
    background: rgba(253, 253, 253, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 10px 30px rgba(11, 29, 58, 0.08);
    transition: var(--transition);
}

html.dark-mode .header {
    background: rgba(5, 16, 36, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo-wrapper {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 85px;
    width: 85px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--gold);
    box-shadow: 0 4px 12px rgba(11, 29, 58, 0.15);
    background-color: #fff;
}

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

.nav-link {
    font-weight: 500;
    color: var(--navy-blue);
    font-size: 0.95rem;
    position: relative;
}

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--navy-blue);
    cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--surface) 0%, var(--background) 100%);
    color: var(--text-primary);
    padding: 10rem 0 7rem;
    overflow: hidden;
}

/* Subtle background pattern */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(135deg, rgba(212, 175, 55, 0.05) 0%, transparent 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

/* Removed legacy .hero-content h1 rules to prevent specificity conflicts */

.hero-slogan {
    font-size: 1.15rem;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: block;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    font-weight: 800;
    color: var(--navy-blue);
    margin-bottom: 1.5rem;
}

html.dark-mode .hero-title {
    color: var(--text-light) !important;
}

.hero-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

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

/* Hero visual placeholders */
.hero-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ==========================================================================
   Grid Systems
   ========================================================================== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.align-center { align-items: center; }

/* ==========================================================================
   Cards (Services, Why Choose Us, Team)
   ========================================================================== */
.card {
    background-color: var(--background);
    border: 1px solid rgba(11, 29, 58, 0.05);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

html.dark-mode .card {
    background: rgba(16, 28, 48, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--gold-light), var(--gold-dark));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px -12px rgba(11, 29, 58, 0.15);
}

html.dark-mode .card:hover {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
}

.card:hover::after {
    transform: scaleX(1);
}

.card-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(212, 175, 55, 0.1);
    color: var(--gold-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.card:hover .card-icon {
    background-color: var(--gold);
    color: var(--navy-blue);
}

.card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    flex-grow: 1;
}

/* Team Card Specifics */
.team-card {
    text-align: center;
    padding: 2rem;
}

.team-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    border: 3px solid var(--gold);
    overflow: hidden;
    background-color: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-role {
    color: var(--gold-dark);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.team-bio {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 1rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* ==========================================================================
   List Styles
   ========================================================================== */
.check-list {
    margin-bottom: 2rem;
}

.check-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--gold);
    font-weight: bold;
    font-size: 1.1rem;
}

/* ==========================================================================
   FAQ Section (Accordion)
   ========================================================================== */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    background-color: var(--background);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    font-family: 'Playfair Display', serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--navy-blue);
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: var(--surface);
}

.faq-icon {
    color: var(--gold);
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.faq-question.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer-content {
    padding: 0 1.5rem 1.25rem 1.5rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   Forms
   ========================================================================== */
.contact-form {
    background-color: var(--background);
    padding: 3rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--navy-blue);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

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

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--navy-blue-dark);
    color: var(--text-light);
    padding: 5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand h2 {
    color: var(--gold);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-tagline {
    color: rgba(255,255,255,0.7);
    margin-bottom: 1.5rem;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: rgba(255,255,255,0.7);
}

.footer-contact a {
    color: var(--text-light);
}

.footer-contact a:hover {
    color: var(--gold);
}

.footer-title {
    color: var(--text-light);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
}

.footer-links a:hover {
    color: var(--gold);
    padding-left: 0.25rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    transform: translateY(-3px);
    opacity: 0.85;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* ==========================================================================
   Responsive Queries
   ========================================================================== */
@media (max-width: 992px) {
    .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-buttons { justify-content: center; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .grid-2, .grid-4, .grid-3 { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    
    /* Mobile Menu */
    .hamburger { display: block; }
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--background);
        flex-direction: column;
        justify-content: center;
        transition: 0.3s ease;
    }
    .nav-menu.active { left: 0; }
    .header-cta { display: none; }
    
    .footer-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Scroll Reveal Animations
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    background-color: #128C7E;
    color: #FFF;
    transform: scale(1.1);
}

@keyframes pulse {
    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);
    }
}

@media screen and (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 25px;
    }
}