/* ==========================================================================
   Advance-Tech Website Design System & Custom Styles
   ========================================================================== */

/* Theme Variables Initialization */
:root {
    /* Fonts family */
    --font-heading: 'Outfit', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout constants */
    --navbar-height: 80px;
    --container-width: 1280px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
}

/* --------------------------------------------------------------------------
   Dark Mode Colors (Default)
   -------------------------------------------------------------------------- */
html[data-theme="dark"] {
    --bg-primary: #0a0e17;
    --bg-secondary: #121a2a;
    --bg-card: rgba(18, 26, 42, 0.65);
    --bg-card-hover: rgba(26, 38, 62, 0.85);
    --bg-modal: rgba(10, 14, 23, 0.95);
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-primary: #00d2ff;     /* Electric Cyan */
    --accent-secondary: #ff9f1c;   /* Amber / Copper Coil */
    --accent-glow: rgba(0, 210, 255, 0.35);
    --accent-success: #10b981;    /* WhatsApp Green */
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(0, 210, 255, 0.3);
    
    --shadow-main: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(0, 210, 255, 0.15);
    
    --navbar-bg: rgba(10, 14, 23, 0.85);
    --overlay-bg: rgba(5, 7, 12, 0.8);
    --input-bg: rgba(18, 26, 42, 0.8);
}

/* --------------------------------------------------------------------------
   Light Mode Colors
   -------------------------------------------------------------------------- */
html[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-card-hover: rgba(255, 255, 255, 0.98);
    --bg-modal: rgba(255, 255, 255, 0.98);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    
    --accent-primary: #0284c7;     /* Deep Sky Blue */
    --accent-secondary: #d97706;   /* Rich Amber */
    --accent-glow: rgba(2, 132, 199, 0.18);
    --accent-success: #15803d;    /* Deep WhatsApp Green */
    
    --border-color: rgba(15, 23, 42, 0.08);
    --border-hover: rgba(2, 132, 199, 0.3);
    
    --shadow-main: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
    --shadow-glow: 0 4px 20px rgba(2, 132, 199, 0.08);
    
    --navbar-bg: rgba(248, 250, 252, 0.88);
    --overlay-bg: rgba(15, 23, 42, 0.5);
    --input-bg: #ffffff;
}

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

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* Core Container Utilities */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-primary);
    transition: color 0.4s ease;
}

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

/* --------------------------------------------------------------------------
   Premium Header & Sticky Navbar
   -------------------------------------------------------------------------- */
.navbar-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--navbar-height);
    z-index: 100;
    background-color: transparent;
    border-bottom: 1px solid transparent;
    transition: var(--transition-normal);
}

/* Scroll state for Navbar */
.navbar-header.scrolled {
    background-color: var(--navbar-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    height: 70px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-main);
}

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

/* Brand Logo Styling */
.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 42px;
    width: auto;
    border-radius: var(--border-radius-sm);
    object-fit: cover;
    border: 1px solid var(--border-color);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Desktop Nav Items */
.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-item {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
    padding: 6px 0;
}

.nav-item:hover, .nav-item.active {
    color: var(--accent-primary);
}

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

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

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

/* Theme Toggle Button Styling */
.theme-toggle-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.theme-toggle-btn:hover {
    background-color: var(--bg-card);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

/* Sun/Moon Display toggling */
html[data-theme="dark"] .sun-icon { display: block; }
html[data-theme="dark"] .moon-icon { display: none; }
html[data-theme="light"] .sun-icon { display: none; }
html[data-theme="light"] .moon-icon { display: block; }

.sun-icon, .moon-icon {
    width: 20px;
    height: 20px;
}

/* Mobile Toggle Hamburger Button */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 102;
}

.hamburger-bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

/* --------------------------------------------------------------------------
   Mobile Navigation Drawer
   -------------------------------------------------------------------------- */
.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background-color: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    box-shadow: var(--shadow-main);
    z-index: 200;
    padding: 30px 24px;
    display: flex;
    flex-direction: column;
    gap: 40px;
    transition: right 0.4s cubic-bezier(0.1, 0.9, 0.2, 1);
}

.mobile-nav-drawer.open {
    right: 0;
}

.mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.close-drawer-btn {
    background: transparent;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-nav-item {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.mobile-nav-item:hover, .mobile-nav-item.active {
    color: var(--accent-primary);
}

.mobile-drawer-footer {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.drawer-contact-link {
    color: var(--accent-primary);
    font-weight: 600;
}

.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--overlay-bg);
    opacity: 0;
    visibility: hidden;
    z-index: 199;
    backdrop-filter: blur(8px);
    transition: var(--transition-normal);
}

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

/* --------------------------------------------------------------------------
   Immersive Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    padding-top: var(--navbar-height);
    padding-bottom: 120px;
    overflow: hidden;
}

.hero-container {
    display: flex;
    align-items: center;
    flex-grow: 1;
}

.hero-content {
    max-width: 780px;
    animation: fadeInUp 1s ease-out;
}

/* Line Badge tag line */
.badge-tagline {
    display: inline-flex;
    align-items: center;
    background-color: var(--accent-glow);
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-glow);
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.highlight-text {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 650px;
}

.hero-ctas {
    display: flex;
    gap: 20px;
}

/* Quick stats / Features Strip */
.hero-features-banner {
    background-color: var(--navbar-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 24px 0;
    width: 100%;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background-color: var(--accent-glow);
    color: var(--accent-primary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-glow);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.feature-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Mouse Wheel indicator */
.scroll-down-indicator {
    position: absolute;
    bottom: 120px;
    right: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.mouse-icon {
    width: 28px;
    height: 45px;
    border: 2px solid var(--text-secondary);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.mouse-wheel {
    width: 4px;
    height: 8px;
    background-color: var(--accent-primary);
    border-radius: 4px;
    animation: scrollIndicator 1.8s infinite;
}

/* --------------------------------------------------------------------------
   Interactive Services Section
   -------------------------------------------------------------------------- */
.services-section {
    padding: 100px 0;
    background-color: var(--bg-primary);
    position: relative;
}

.section-header {
    max-width: 650px;
    margin: 0 auto 64px auto;
}

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

.section-title {
    font-size: 2.6rem;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* Services Grid with glassmorphism */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.service-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: var(--transition-normal);
    position: relative;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-main), var(--shadow-glow);
}

.card-image-wrapper {
    position: relative;
    height: 240px;
    width: 100%;
    overflow: hidden;
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.service-card:hover .card-image {
    transform: scale(1.08);
}

.card-overlay-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(10, 14, 23, 0) 0%, var(--bg-secondary) 100%);
}

.card-content {
    padding: 32px;
    position: relative;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-icon {
    width: 50px;
    height: 50px;
    background-color: var(--accent-glow);
    color: var(--accent-primary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.card-icon svg {
    width: 24px;
    height: 24px;
}

.card-title {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.card-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
    flex-grow: 1;
}

/* --------------------------------------------------------------------------
   Workshop & Capabilities Section
   -------------------------------------------------------------------------- */
.workshop-section {
    padding: 100px 0;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.workshop-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 64px;
    align-items: center;
}

/* Gallery slider layout */
.workshop-image-gallery {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.gallery-large {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    height: 480px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
}

.gallery-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.thumb-item {
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    height: 90px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-fast);
}

.thumb-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumb-item:hover, .thumb-item.active {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

/* Capabilites Information */
.workshop-info {
    display: flex;
    flex-direction: column;
}

.workshop-title {
    font-size: 2.6rem;
    margin-bottom: 20px;
}

.workshop-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 32px;
}

.capability-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.capability-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.cap-check {
    color: var(--accent-primary);
    font-weight: 700;
    font-size: 1.2rem;
    line-height: 1;
}

.cap-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Vendor Enlistment callout */
.registration-callout {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background-color: var(--bg-card);
    border: 1px solid var(--accent-secondary);
    border-radius: var(--border-radius-md);
    padding: 24px;
}

.callout-icon {
    width: 44px;
    height: 44px;
    background-color: rgba(255, 159, 28, 0.12);
    color: var(--accent-secondary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.callout-icon svg {
    width: 22px;
    height: 22px;
}

.callout-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.callout-title {
    font-size: 1.1rem;
    font-weight: 700;
}

.callout-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Contact Section & Layout Matrix
   -------------------------------------------------------------------------- */
.contact-section {
    padding: 100px 0;
    background-color: var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 64px;
}

.contact-info-block {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Marketing Manager Info Card */
.info-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 32px;
    box-shadow: var(--shadow-main);
}

.info-card-header {
    display: flex;
    align-items: center;
    gap: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 24px;
    margin-bottom: 24px;
}

.info-card-icon {
    width: 60px;
    height: 60px;
    background-color: var(--accent-glow);
    color: var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-card-icon svg {
    width: 28px;
    height: 28px;
}

.info-card-title-group {
    display: flex;
    flex-direction: column;
}

.info-card-tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--accent-primary);
    letter-spacing: 1px;
}

.info-card-name {
    font-size: 1.5rem;
    margin: 2px 0;
}

.info-card-role {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.info-card-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.info-link-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 10px;
}

.info-link-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.link-label {
    color: var(--text-secondary);
}

.link-value {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-primary);
}

.link-value.highlight {
    color: var(--accent-primary);
}

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

/* Official Department Emails Matrix Grid */
.email-matrix {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.matrix-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.matrix-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.matrix-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.matrix-item:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-main);
}

.matrix-dept {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-transform: uppercase;
}

.matrix-email {
    font-size: 0.85rem;
    font-weight: 500;
    word-break: break-all;
}

/* Location display card */
.location-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 24px;
}

.location-icon {
    width: 44px;
    height: 44px;
    background-color: rgba(2, 132, 199, 0.1);
    color: var(--accent-primary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.location-icon svg {
    width: 22px;
    height: 22px;
}

.location-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.location-title {
    font-size: 1.05rem;
    font-weight: 700;
}

.location-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

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

/* Interactive form wrapper */
.contact-form-wrapper {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--shadow-main);
}

.form-title {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.form-sub {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 32px;
}

.form-group-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.form-group:last-of-type {
    margin-bottom: 30px;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-control {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-primary);
    width: 100%;
    outline: none;
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.select-field {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
}

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

.form-actions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

/* --------------------------------------------------------------------------
   Interactive Service Modals
   -------------------------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--overlay-bg);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    transition: var(--transition-normal);
}

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

.modal-card {
    background-color: var(--bg-modal);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 780px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-main);
    transform: translateY(40px);
    transition: var(--transition-normal);
}

.modal-overlay.active .modal-card {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: var(--border-color);
    border: none;
    font-size: 1.8rem;
    line-height: 1;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background-color: rgba(255, 159, 28, 0.15);
    color: var(--accent-secondary);
}

.modal-body {
    padding: 48px;
}

.modal-title {
    font-size: 2.2rem;
    margin-bottom: 24px;
    max-width: 90%;
}

.modal-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 16px;
    margin-bottom: 32px;
}

.meta-item {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.meta-item strong {
    color: var(--text-primary);
    display: block;
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.modal-main-content {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
}

.modal-main-content p {
    font-size: 1.05rem;
    margin-bottom: 24px;
}

.modal-sub-title {
    color: var(--text-primary);
    font-size: 1.3rem;
    margin-bottom: 16px;
    border-left: 3px solid var(--accent-primary);
    padding-left: 12px;
}

.modal-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-list li {
    position: relative;
    padding-left: 20px;
    font-size: 0.95rem;
}

.modal-list li::before {
    content: '▪';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-size: 1.1rem;
    top: -2px;
}

.modal-list li strong {
    color: var(--text-primary);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    display: flex;
    justify-content: flex-end;
}

/* --------------------------------------------------------------------------
   Premium Buttons UI Kit
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 28px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

/* Primary Cyan Button */
.btn-primary {
    background-color: var(--accent-primary);
    color: #05070c;
}

html[data-theme="light"] .btn-primary {
    color: #ffffff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--accent-glow);
    filter: brightness(1.1);
}

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

/* Outline Button */
.btn-outline {
    background: transparent;
    border: 1px solid var(--text-primary);
    color: var(--text-primary);
}

.btn-outline:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    transform: translateY(-2px);
}

/* Success WhatsApp Button */
.btn-success {
    background-color: var(--accent-success);
    color: #ffffff;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.25);
    filter: brightness(1.08);
}

/* Large Button size */
.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

/* Text arrow Button */
.btn-text {
    background: transparent;
    padding: 6px 0;
    color: var(--accent-primary);
    font-weight: 700;
    border-radius: 0;
    border-bottom: 1px solid transparent;
}

.btn-text:hover {
    color: var(--accent-secondary);
    border-color: var(--accent-secondary);
    gap: 14px;
}

.btn-icon {
    width: 18px;
    height: 18px;
}

/* --------------------------------------------------------------------------
   Footer Section
   -------------------------------------------------------------------------- */
.main-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 40px 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand-col {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--text-secondary);
    max-width: 380px;
    line-height: 1.6;
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 20px;
}

.footer-title {
    font-size: 1.15rem;
    margin-bottom: 24px;
}

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

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--accent-primary);
    padding-left: 4px;
}

.footer-contact-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.footer-contact-col a {
    color: var(--accent-primary);
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   Layout animations keyframes
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollIndicator {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateY(12px);
        opacity: 0.3;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Dynamic scroll-reveal trigger styles */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

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

/* --------------------------------------------------------------------------
   Responsive Breakpoints / Media Queries
   -------------------------------------------------------------------------- */

/* Tablet & Smaller viewports */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .workshop-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .gallery-large {
        height: 380px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
        max-width: 650px;
        margin: 0 auto;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-brand-col {
        grid-column: span 2;
    }
}

/* Mobile & Hamburger Drawer Triggers */
@media (max-width: 768px) {
    :root {
        --navbar-height: 70px;
    }
    
    .desktop-nav {
        display: none !important;
    }
    
    #desktop-nav {
        display: none;
    }
    
    .nav-actions .nav-cta-btn {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-ctas {
        flex-direction: column;
        gap: 12px;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .scroll-down-indicator {
        display: none;
    }
    
    .form-group-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .form-actions-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .modal-body {
        padding: 30px 20px;
    }
    
    .modal-meta-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    .footer-brand-col {
        grid-column: span 1;
    }
    
    .email-matrix .matrix-grid {
        grid-template-columns: 1fr;
    }
}