/* =====================================================
   DeepInspect - Main Stylesheet
   Hybrid Modern/Industrial Design
   ===================================================== */

/* Google Fonts - Albert Sans */
@import url('https://fonts.googleapis.com/css2?family=Albert+Sans:wght@300;400;500;600;700&display=swap');

/* =====================================================
   CSS Variables
   ===================================================== */
:root {
    /* Colors */
    --color-primary: #FF8800;
    --color-primary-dark: #E55A00;
    --color-primary-light: #FF8533;
    --color-black: #1A1A1A;
    --color-dark: #2D2D2D;
    --color-gray-dark: #4A4A4A;
    --color-gray: #6B6B6B;
    --color-gray-light: #9A9A9A;
    --color-light: #F5F5F5;
    --color-white: #FFFFFF;
    --color-accent: #FF8800;
    
    /* Typography */
    --font-primary: 'Albert Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    
    /* Container */
    --container-max: 1200px;
    --container-narrow: 900px;
}

/* =====================================================
   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-primary);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

/* =====================================================
   Typography
   ===================================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-black);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 1.75rem);
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-dark);
}

.lead {
    font-size: 1.25rem;
    color: var(--color-gray);
    line-height: 1.7;
}

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

.container--narrow {
    max-width: var(--container-narrow);
}

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

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

.section--dark {
    background-color: var(--color-black);
    color: var(--color-white);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
    color: var(--color-white);
}

.section--dark p {
    color: var(--color-gray-light);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

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

.section-header p {
    max-width: 600px;
    margin: 0 auto;
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid--2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid--3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--4 {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* =====================================================
   Header & Navigation
   ===================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-normal);
}

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

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.header__logo {
    display: flex;
    align-items: center;
}

.header__logo img {
    height: 40px;
    width: auto;
}

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

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

.nav__link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-gray-dark);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-fast);
}

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

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__cta {
    margin-left: var(--spacing-sm);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-gray);
    border-left: 1px solid rgba(0, 0, 0, 0.1);
    padding-left: var(--spacing-md);
    margin-left: var(--spacing-sm);
}

.lang-switcher a {
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.lang-switcher a.active {
    background-color: var(--color-light);
    color: var(--color-black);
    font-weight: 500;
}

.lang-switcher a:hover:not(.active) {
    color: var(--color-primary);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-black);
    transition: var(--transition-fast);
}

/* =====================================================
   Buttons
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 12px 28px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-normal);
    white-space: nowrap;
}

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

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 0, 0.3);
}

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

.btn--secondary:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

.btn--white {
    background-color: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-white);
}

.btn--white:hover {
    background-color: transparent;
    color: var(--color-white);
}

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

.btn--outline-white:hover {
    background-color: var(--color-white);
    color: var(--color-black);
}

.btn--sm {
    padding: 8px 20px;
    font-size: 0.875rem;
}

.btn--lg {
    padding: 16px 36px;
    font-size: 1rem;
}

.btn svg {
    width: 18px;
    height: 18px;
}

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

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero__background-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__background-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.9) 0%, rgba(26, 26, 26, 0.7) 100%);
}

/* Industrial grid pattern overlay */
.hero__pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.03;
    background-image: 
        linear-gradient(rgba(255, 107, 0, 0.5) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 107, 0, 0.5) 1px, transparent 1px);
    background-size: 50px 50px;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero__tagline {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.hero__title {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

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

.hero__description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-lg);
    max-width: 550px;
}

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

/* Scroll indicator */
.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero__scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.8); }
}

/* =====================================================
   Cards
   ===================================================== */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.card__image {
    position: relative;
    padding-top: 60%;
    background-color: var(--color-light);
    overflow: hidden;
}

.card__image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

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

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

.card__title {
    margin-bottom: var(--spacing-xs);
}

.card__description {
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

/* Feature Card */
.feature-card {
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.feature-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 107, 0, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.feature-card__icon svg {
    width: 28px;
    height: 28px;
}

.feature-card__title {
    margin-bottom: var(--spacing-xs);
}

.feature-card__description {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Product Card */
.product-card {
    position: relative;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.08);
    transition: var(--transition-normal);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.product-card__image {
    position: relative;
    padding-top: 66%;
    background-color: var(--color-light);
}

.product-card__image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-card__badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: 6px 12px;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
}

.product-card__content {
    padding: var(--spacing-md);
}

.product-card__title {
    margin-bottom: var(--spacing-xs);
}

.product-card__description {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.product-card__actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* =====================================================
   Stats Section
   ===================================================== */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-xl) 0;
}

.stat {
    text-align: center;
    padding: var(--spacing-md);
}

.stat__number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat__label {
    font-size: 0.95rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* =====================================================
   USP Section
   ===================================================== */
.usp-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.usp-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-normal);
}

.usp-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.usp-item__icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 107, 0, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-primary);
}

.usp-item__content h4 {
    margin-bottom: var(--spacing-xs);
}

.usp-item__content p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* =====================================================
   Image Placeholder
   ===================================================== */
.image-placeholder {
    background-color: var(--color-light);
    border: 2px dashed rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--color-gray);
    min-height: 300px;
    padding: var(--spacing-lg);
    text-align: center;
}

.image-placeholder svg {
    width: 48px;
    height: 48px;
    opacity: 0.5;
}

.image-placeholder span {
    font-size: 0.875rem;
}

/* =====================================================
   Video Placeholder
   ===================================================== */
.video-placeholder {
    position: relative;
    padding-top: 56.25%;
    background-color: var(--color-black);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.video-placeholder__content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--color-white);
}

.video-placeholder__play {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-normal);
}

.video-placeholder__play:hover {
    transform: scale(1.1);
    background-color: var(--color-primary-dark);
}

.video-placeholder__play svg {
    width: 32px;
    height: 32px;
    margin-left: 4px;
}

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

.about-text h2 {
    margin-bottom: var(--spacing-md);
}

.about-text .lead {
    margin-bottom: var(--spacing-md);
}

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

/* =====================================================
   FAQ Section
   ===================================================== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.faq-item:first-child {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-black);
    transition: var(--transition-fast);
}

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

.faq-question svg {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    transition: var(--transition-fast);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding-bottom: var(--spacing-md);
}

/* =====================================================
   Contact Section
   ===================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
}

.contact-info h2 {
    margin-bottom: var(--spacing-md);
}

.contact-info > p {
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.contact-item__icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 107, 0, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-primary);
}

.contact-item__content h4 {
    margin-bottom: 4px;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray);
}

.contact-item__content a,
.contact-item__content p {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-black);
    margin-bottom: 0;
}

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

/* Contact Form */
.contact-form {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-primary);
    font-size: 1rem;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    background-color: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

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

/* =====================================================
   Footer
   ===================================================== */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

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

.footer__brand img {
    height: 36px;
    margin-bottom: var(--spacing-md);
}

.footer__brand p {
    color: var(--color-gray-light);
    font-size: 0.95rem;
    max-width: 300px;
}

.footer__column h4 {
    color: var(--color-white);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer__links a {
    color: var(--color-gray-light);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

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

.footer__social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.footer__social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-white);
    transition: var(--transition-fast);
}

.footer__social a:hover {
    background-color: var(--color-primary);
}

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--color-gray);
}

.footer__bottom a {
    color: var(--color-gray-light);
}

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

/* =====================================================
   Page Headers
   ===================================================== */
.page-header {
    padding: calc(80px + var(--spacing-xxl)) 0 var(--spacing-xxl);
    background-color: var(--color-black);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.03;
    background-image: 
        linear-gradient(rgba(255, 107, 0, 0.5) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 107, 0, 0.5) 1px, transparent 1px);
    background-size: 50px 50px;
}

.page-header__content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.page-header__breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-gray-light);
}

.page-header__breadcrumb a {
    color: var(--color-gray-light);
}

.page-header__breadcrumb a:hover {
    color: var(--color-primary);
}

.page-header__breadcrumb span {
    color: var(--color-primary);
}

.page-header h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    color: var(--color-gray-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* =====================================================
   CTA Section
   ===================================================== */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.cta-section h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

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

/* =====================================================
   Projects Grid
   ===================================================== */
.project-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--color-light);
}

.project-card__image {
    position: relative;
    padding-top: 70%;
}

.project-card__image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

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

.project-card__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--color-white);
}

.project-card__category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.project-card__title {
    color: var(--color-white);
    margin-bottom: 0;
}

/* =====================================================
   Responsive Design
   ===================================================== */
@media (max-width: 1024px) {
    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-content {
        gap: var(--spacing-lg);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .usp-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header__inner {
        height: 70px;
    }
    
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        background-color: var(--color-white);
        padding: var(--spacing-lg);
        transform: translateX(100%);
        transition: var(--transition-normal);
        gap: var(--spacing-lg);
    }
    
    .nav.active {
        transform: translateX(0);
    }
    
    .nav__list {
        flex-direction: column;
        width: 100%;
    }
    
    .nav__link {
        font-size: 1.1rem;
        padding: var(--spacing-sm);
    }
    
    .nav__cta {
        margin-left: 0;
        width: 100%;
    }
    
    .nav__cta .btn {
        width: 100%;
    }
    
    .lang-switcher {
        border-left: none;
        border-top: 1px solid rgba(0, 0, 0, 0.1);
        padding-left: 0;
        padding-top: var(--spacing-md);
        margin-left: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding-top: 100px;
        padding-bottom: var(--spacing-xxl);
    }
    
    .hero__scroll {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 15px;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero__buttons {
        flex-direction: column;
    }
    
    .hero__buttons .btn {
        width: 100%;
    }
    
    .stats {
        grid-template-columns: 1fr 1fr;
    }
}

/* =====================================================
   Utility Classes
   ===================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

.bg-white { background-color: var(--color-white); }
.bg-light { background-color: var(--color-light); }
.bg-dark { background-color: var(--color-black); }
.bg-primary { background-color: var(--color-primary); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.hidden { display: none; }
.visible { display: block; }

/* Animation classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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