/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    /* Colors */
    --color-primary: #0066CC;
    --color-primary-dark: #004C99;
    --color-primary-light: #E6F0FA;
    --color-secondary: #00A3E0;
    --color-accent: #FF6B35;

    --color-text: #1A1A2E;
    --color-text-light: #4A4A68;
    --color-text-muted: #6B7280;

    --color-bg: #FFFFFF;
    --color-bg-alt: #F8FAFC;
    --color-bg-dark: #0F172A;

    --color-border: #E2E8F0;
    --color-border-dark: #CBD5E1;

    --color-success: #10B981;
    --color-error: #EF4444;
    --color-warning: #F59E0B;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Layout */
    --container-max: 1200px;
    --header-height: 80px;
    --top-bar-height: 40px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

address {
    font-style: normal;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: var(--spacing-md);
}

p:last-child {
    margin-bottom: 0;
}

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

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

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-4xl) 0;
}

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

.section--dark {
    background-color: var(--color-bg-dark);
    color: #fff;
}

.section--dark h2,
.section--dark h3 {
    color: #fff;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

.section-header p {
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn--primary {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #fff;
}

.btn--secondary {
    background-color: #fff;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--secondary:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.btn--outline {
    background-color: transparent;
    color: var(--color-text);
    border-color: var(--color-border-dark);
}

.btn--outline:hover {
    background-color: var(--color-text);
    color: #fff;
    border-color: var(--color-text);
}

.btn--white {
    background-color: #fff;
    color: var(--color-primary);
    border-color: #fff;
}

.btn--white:hover {
    background-color: transparent;
    color: #fff;
}

.btn--large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn--small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn svg {
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   Top Bar
   ========================================================================== */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    background-color: var(--color-bg-dark);
    color: #fff;
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) 0;
    transition: transform var(--transition-base);
}

.top-bar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar__contact {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.top-bar__link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.top-bar__link:hover {
    color: #fff;
}

.top-bar__link svg {
    flex-shrink: 0;
}

.top-bar__social {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.top-bar__social a {
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.top-bar__social a:hover {
    color: #fff;
}

@media (max-width: 768px) {
    .top-bar__contact {
        gap: var(--spacing-md);
    }

    .top-bar__link span,
    .top-bar__link:last-child {
        display: none;
    }

    .top-bar__link {
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 480px) {
    .top-bar {
        display: none;
    }

    .site-header {
        top: 0;
    }

    .hero {
        padding-top: var(--header-height);
    }

    .page-header {
        padding-top: calc(var(--header-height) + var(--spacing-4xl));
    }
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    position: fixed;
    top: 40px;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: #fff;
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    top: 0;
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-primary);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.logo:hover {
    color: var(--color-primary);
}

.logo-img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.nav-arrow {
    transition: transform var(--transition-fast);
}

.nav-cta {
    margin-left: var(--spacing-md);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: #fff;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown:hover .nav-arrow {
    transform: rotate(180deg);
}

.dropdown-link {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-text);
    font-weight: 500;
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.dropdown-link:last-child {
    border-bottom: none;
}

.dropdown-link:hover {
    background-color: var(--color-bg-alt);
    color: var(--color-primary);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    padding: 4px;
}

.nav-toggle-bar {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-base);
}

.nav-toggle.active .nav-toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .nav-toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--header-height) + var(--top-bar-height));
    background-color: var(--color-bg-dark);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.hero__video {
    object-position: center;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    color: #fff;
    padding: var(--spacing-4xl) 0;
    margin-right: 420px;
}

.hero__badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-lg);
}

.hero__title {
    font-size: var(--font-size-5xl);
    color: #fff;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero__title span {
    color: var(--color-secondary);
}

.hero__text {
    font-size: var(--font-size-xl);
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.hero__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.hero__floating-video {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: calc(45% - 500px);
    width: 400px;
    max-width: none;
    aspect-ratio: 9 / 16;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    z-index: 2;
    background-color: var(--color-bg-dark);
}

.hero__floating-video .video-carousel {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero__floating-video .video-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0;
    transform: translateY(100%);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.6s ease;
    pointer-events: none;
}

.hero__floating-video .video-item.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.hero__floating-video .video-item.prev {
    transform: translateY(-100%);
}

.video-nav-btn {
    position: absolute;
    z-index: 10;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    color: var(--color-primary);
}

.video-nav-btn:hover {
    background-color: #fff;
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.video-nav-btn:active {
    transform: scale(0.95);
}

.video-nav-btn svg {
    width: 24px;
    height: 24px;
}

.video-nav-btn--prev {
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
}

.video-nav-btn--prev:hover {
    transform: translateX(-50%) scale(1.1);
}

.video-nav-btn--prev:active {
    transform: translateX(-50%) scale(0.95);
}

.video-nav-btn--next {
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
}

.video-nav-btn--next:hover {
    transform: translateX(-50%) scale(1.1);
}

.video-nav-btn--next:active {
    transform: translateX(-50%) scale(0.95);
}

/* ==========================================================================
   Features / USP Section
   ========================================================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-2xl);
    background-color: #fff;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-lg);
}

.feature-card__icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.feature-card__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.feature-card__text {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.service-card {
    position: relative;
    background-color: #fff;
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition-base);
}

.service-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.service-card__image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.service-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-card:hover .service-card__image img {
    transform: scale(1.05);
}

.service-card__content {
    padding: var(--spacing-xl);
}

.service-card__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.service-card__text {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-primary);
}

.service-card__link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.service-card:hover .service-card__link svg {
    transform: translateX(4px);
}

/* ==========================================================================
   Stats Section
   ========================================================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

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

.stat-item__number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-secondary);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-item__label {
    font-size: var(--font-size-base);
    opacity: 0.8;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: auto;
}

.about-image__accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 150px;
    height: 150px;
    background-color: var(--color-primary);
    z-index: -1;
}

.about-content h2 {
    margin-bottom: var(--spacing-lg);
}

.about-content p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.about-list {
    margin: var(--spacing-xl) 0;
}

.about-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.about-list svg {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--color-success);
    margin-top: 2px;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta-section {
    background-color: var(--color-primary);
    color: #fff;
    text-align: center;
    padding: var(--spacing-4xl) 0;
}

.cta-section h2 {
    color: #fff;
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn {
    margin: 0 var(--spacing-sm);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
}

.contact-info-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.contact-item {
    display: flex;
    gap: var(--spacing-lg);
}

.contact-item__icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.contact-item__icon svg {
    width: 24px;
    height: 24px;
}

.contact-item__content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.contact-item__content p,
.contact-item__content a {
    color: var(--color-text-light);
}

.contact-item__content a:hover {
    color: var(--color-primary);
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.form-label span {
    color: var(--color-error);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: #fff;
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
    border-color: var(--color-error);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234A4A68' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    padding-right: var(--spacing-2xl);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.form-checkbox input {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-checkbox label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    cursor: pointer;
}

/* Alerts */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    border: 1px solid;
}

.alert--success {
    background-color: #ECFDF5;
    border-color: var(--color-success);
    color: #065F46;
}

.alert--error {
    background-color: #FEF2F2;
    border-color: var(--color-error);
    color: #991B1B;
}

.alert ul {
    margin: 0;
    padding-left: var(--spacing-lg);
    list-style: disc;
}

/* ==========================================================================
   Page Header
   ========================================================================== */
.page-header {
    position: relative;
    padding: calc(var(--header-height) + var(--top-bar-height) + var(--spacing-4xl)) 0 var(--spacing-4xl);
    background-color: var(--color-bg-dark);
    color: #fff;
    text-align: center;
    overflow: hidden;
}

.page-header__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
    z-index: 0;
}

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

.page-header h1 {
    color: #fff;
    margin-bottom: var(--spacing-md);
}

.page-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a:hover {
    color: #fff;
}

.breadcrumb span {
    color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   Service Detail Page
   ========================================================================== */
.service-detail {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-4xl);
}

.service-content h2 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
}

.service-content p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.service-content ul {
    margin: var(--spacing-lg) 0;
    padding-left: var(--spacing-xl);
}

.service-content ul li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

.service-content ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
}

.service-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-xl));
}

.sidebar-card {
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.sidebar-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.sidebar-card ul li {
    margin-bottom: var(--spacing-md);
}

.sidebar-card ul li a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text);
    padding: var(--spacing-sm) 0;
}

.sidebar-card ul li a:hover {
    color: var(--color-primary);
}

.sidebar-card ul li a.active {
    color: var(--color-primary);
    font-weight: 600;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background-color: var(--color-bg-dark);
    color: #fff;
    padding: var(--spacing-4xl) 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo--footer {
    margin-bottom: var(--spacing-lg);
}

.logo--footer .logo-img {
    height: 70px;
    filter: brightness(0) invert(1);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-xl);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.footer-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: #fff;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

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

.footer-links a:hover {
    color: #fff;
}

.footer-contact .contact-details p {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact .contact-details svg {
    flex-shrink: 0;
    margin-top: 4px;
    opacity: 0.7;
}

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

.footer-contact .contact-details a:hover {
    color: #fff;
}

.opening-hours {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.opening-hours h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: #fff;
}

.opening-hours p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-xs);
}

.footer-bottom {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   WhatsApp Floating Button
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #25D366;
    color: #fff;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: all var(--transition-base);
}

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

.whatsapp-float svg {
    width: 32px;
    height: 32px;
}

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

    .whatsapp-float svg {
        width: 26px;
        height: 26px;
    }
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2xl);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 968px) {
    :root {
        --header-height: 70px;
    }

    /* Mobile Navigation */
    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background-color: #fff;
        padding: calc(var(--header-height) + var(--spacing-xl)) var(--spacing-xl) var(--spacing-xl);
        transition: right var(--transition-base);
        overflow-y: auto;
        z-index: 999;
    }

    .main-nav.active {
        right: 0;
    }

    .nav-overlay.active {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .nav-link {
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--color-border);
        justify-content: space-between;
    }

    .nav-cta {
        margin: var(--spacing-xl) 0 0;
    }

    .nav-dropdown .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        border: none;
        box-shadow: none;
        padding-left: var(--spacing-lg);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base);
    }

    .nav-dropdown.open .dropdown-menu {
        max-height: 500px;
    }

    .nav-dropdown.open .nav-arrow {
        transform: rotate(180deg);
    }

    .dropdown-link {
        padding: var(--spacing-sm) 0;
        border-bottom: none;
    }

    /* Hero */
    .hero {
        min-height: auto;
        padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
        flex-direction: column;
        align-items: stretch;
    }

    .hero__title {
        font-size: var(--font-size-3xl);
    }

    .hero__text {
        font-size: var(--font-size-base);
    }

    .hero__content {
        margin-right: 300px;
        max-width: calc(100% - 320px);
    }

    .hero__floating-video {
        width: 300px;
        right: calc(50% - 450px);
    }

    /* Sections */
    .section {
        padding: var(--spacing-3xl) 0;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .about-image__accent {
        display: none;
    }

    .service-detail {
        grid-template-columns: 1fr;
    }

    .service-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: var(--font-size-3xl);
    }

    h2 {
        font-size: var(--font-size-2xl);
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .cta-section .btn {
        display: block;
        width: 100%;
        margin: var(--spacing-sm) 0;
    }

    .hero__buttons {
        flex-direction: column;
    }

    .hero__buttons .btn {
        width: 100%;
    }

    .hero__content {
        margin-right: 0;
        max-width: 100%;
        text-align: center;
        padding: var(--spacing-2xl) 0;
    }

    .hero__floating-video {
        position: relative;
        top: auto;
        right: auto;
        transform: none;
        width: 280px;
        max-width: 85%;
        margin: var(--spacing-2xl) auto 0;
        border-radius: 12px;
    }

    .video-nav-btn {
        width: 44px;
        height: 44px;
    }

    .video-nav-btn svg {
        width: 22px;
        height: 22px;
    }

    .video-nav-btn--prev {
        top: 15px;
    }

    .video-nav-btn--next {
        bottom: 15px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-4xl: 4rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .hero__title {
        font-size: var(--font-size-2xl);
    }

    .stat-item__number {
        font-size: var(--font-size-3xl);
    }

    .page-header {
        padding: calc(var(--header-height) + var(--spacing-2xl)) 0 var(--spacing-2xl);
    }

    .page-header h1 {
        font-size: var(--font-size-2xl);
    }

    .hero__floating-video {
        width: 240px;
        max-width: 90%;
    }

    .video-nav-btn {
        width: 40px;
        height: 40px;
    }

    .video-nav-btn svg {
        width: 20px;
        height: 20px;
    }
}