/* ==========================================================================
   Interior Design Studio - RTL Hebrew Website
   Modern, Responsive, High-Performance CSS
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables - Easy Customization
   -------------------------------------------------------------------------- */
:root {
    /* Colors - Easy to customize */
    --color-primary: #1a1a1a;
    --color-secondary: #c9a96e;
    --color-accent: #b8936e;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-inverse: #ffffff;
    --color-background: #ffffff;
    --color-background-alt: #f8f7f5;
    --color-background-dark: #1a1a1a;
    --color-border: #e5e5e5;
    
    /* Typography */
    --font-family: 'Heebo', 'Arial Hebrew', sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --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: 3.5rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Layout */
    --container-max: 1200px;
    --container-padding: 1.5rem;
    
    /* Effects */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --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, 0.15);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Header */
    --header-height: 80px;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    direction: rtl;
    text-align: right;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* RTL Support */
[dir="rtl"] {
    direction: rtl;
    text-align: right;
}

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

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

ul, ol {
    list-style: none;
}

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

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

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

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-secondary);
    color: var(--color-text-inverse);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

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

.btn-full {
    width: 100%;
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.header.scrolled {
    height: 70px;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.5px;
}

.nav-list {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text);
    padding: var(--spacing-xs) 0;
    position: relative;
}

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

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

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 1001;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    right: 0;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

.menu-toggle.active .hamburger {
    background-color: transparent;
}

.menu-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.menu-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease;
}

.hero-slide.active {
    opacity: 1;
}

/* Placeholder gradient for demo */
.hero-slide:nth-child(1) {
    background: linear-gradient(135deg, #2c3e50 0%, #4a6741 100%);
}

.hero-slide:nth-child(2) {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.hero-slide:nth-child(3) {
    background: linear-gradient(135deg, #2d2d2d 0%, #4a4a4a 100%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-text-inverse);
    padding: 0 var(--spacing-lg);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 2px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 300;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.hero-indicators {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 2;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: 2px solid transparent;
    transition: all var(--transition-base);
}

.indicator.active,
.indicator:hover {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   Intro Section
   -------------------------------------------------------------------------- */
.intro {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-background-alt);
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.intro-text {
    font-size: var(--font-size-xl);
    line-height: 2;
    color: var(--color-text);
}

.intro-text strong {
    color: var(--color-secondary);
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about {
    padding: var(--spacing-3xl) 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    aspect-ratio: 4/5;
    background: linear-gradient(135deg, #e8e4df 0%, #d4cfc7 100%);
}

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

.about-image::after {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    border: 3px solid var(--color-secondary);
    border-radius: var(--radius-md);
    z-index: -1;
}

.about-content {
    padding: var(--spacing-lg) 0;
}

.about-name {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.about-text {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-content .btn {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--color-background-alt);
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.social-link:hover {
    background-color: var(--color-secondary);
    color: var(--color-text-inverse);
    transform: translateY(-3px);
}

/* --------------------------------------------------------------------------
   Projects Section
   -------------------------------------------------------------------------- */
.projects {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-background-alt);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.project-card {
    background: var(--color-background);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    position: relative;
    aspect-ratio: 16/12;
    overflow: hidden;
    background: linear-gradient(135deg, #d4cfc7 0%, #b8b3aa 100%);
}

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

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

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

.project-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.project-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.6;
}

.projects-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* --------------------------------------------------------------------------
   Process Section
   -------------------------------------------------------------------------- */
.process {
    padding: var(--spacing-3xl) 0;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.process-step {
    text-align: center;
    padding: var(--spacing-lg);
    position: relative;
}

.process-step::after {
    content: '';
    position: absolute;
    top: 50px;
    left: 0;
    width: 50%;
    height: 2px;
    background: var(--color-border);
}

.process-step:last-child::after {
    display: none;
}

[dir="rtl"] .process-step::after {
    left: auto;
    right: 0;
}

.step-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-secondary);
    opacity: 0.3;
    margin-bottom: var(--spacing-sm);
}

.step-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Testimonials Section
   -------------------------------------------------------------------------- */
.testimonials {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-background-dark);
    color: var(--color-text-inverse);
}

.testimonials .section-title {
    color: var(--color-text-inverse);
}

.testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    min-height: 200px;
}

.testimonial {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateX(20px);
    transition: all var(--transition-base);
    text-align: center;
}

[dir="rtl"] .testimonial {
    transform: translateX(-20px);
}

.testimonial.active {
    position: relative;
    opacity: 1;
    transform: translateX(0);
}

.testimonial-text {
    font-size: var(--font-size-xl);
    font-style: italic;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
}

.testimonial-text::before {
    content: '"';
    font-size: var(--font-size-4xl);
    color: var(--color-secondary);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.testimonial-author {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-secondary);
    font-style: normal;
}

.testimonials-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.testimonial-prev,
.testimonial-next {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: var(--color-text-inverse);
    transition: all var(--transition-base);
}

.testimonial-prev svg,
.testimonial-next svg {
    width: 20px;
    height: 20px;
}

.testimonial-prev:hover,
.testimonial-next:hover {
    border-color: var(--color-secondary);
    background-color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact {
    padding: var(--spacing-3xl) 0;
}

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

.contact-info .section-title {
    text-align: right;
}

[dir="rtl"] .contact-info .section-title {
    text-align: right;
}

.contact-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
}

.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--color-secondary);
    flex-shrink: 0;
}

.contact-item a:hover {
    color: var(--color-secondary);
}

.contact-form {
    background: var(--color-background-alt);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-background);
    transition: border-color var(--transition-fast);
    text-align: right;
}

[dir="rtl"] .form-group input,
[dir="rtl"] .form-group textarea {
    text-align: right;
}

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

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

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    background-color: var(--color-background-dark);
    color: var(--color-text-inverse);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-lg);
}

.footer-brand .logo-text {
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    font-size: var(--font-size-sm);
    opacity: 0.7;
}

.footer-nav {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-nav a {
    font-size: var(--font-size-sm);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.footer-nav a:hover {
    opacity: 1;
    color: var(--color-secondary);
}

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

.footer-social .social-link {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-inverse);
}

.footer-social .social-link:hover {
    background-color: var(--color-secondary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
    opacity: 0.7;
}

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

.footer-links a:hover {
    color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }
    
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-step::after {
        display: none;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Landscape */
@media (max-width: 768px) {
    :root {
        --header-height: 70px;
        --container-padding: 1rem;
    }
    
    /* Mobile Navigation */
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--color-background);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: right var(--transition-base);
        z-index: 1000;
    }
    
    [dir="rtl"] .nav {
        right: auto;
        left: -100%;
        transition: left var(--transition-base);
    }
    
    .nav.active {
        right: 0;
    }
    
    [dir="rtl"] .nav.active {
        right: auto;
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .nav-link {
        font-size: var(--font-size-xl);
    }
    
    /* About Grid */
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }
    
    /* Contact Grid */
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info .section-title {
        text-align: center;
    }
    
    .contact-text {
        text-align: center;
    }
    
    .contact-details {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .contact-info .social-links {
        justify-content: center;
    }
    
    /* Footer */
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

/* Mobile Portrait */
@media (max-width: 576px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --spacing-3xl: 4rem;
        --spacing-2xl: 3rem;
    }
    
    .hero {
        min-height: 500px;
    }
    
    .hero-content {
        padding: 0 var(--spacing-sm);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: var(--spacing-md);
    }
    
    .testimonial-text {
        font-size: var(--font-size-base);
    }
    
    .intro-text {
        font-size: var(--font-size-base);
    }
}

/* High DPI Screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    body {
        -webkit-font-smoothing: antialiased;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Print Styles */
@media print {
    .header,
    .hero-indicators,
    .testimonials-nav,
    .menu-toggle {
        display: none;
    }
    
    .hero {
        height: auto;
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}