/* ============================================
   R.bin Sarl — Premium Design System
   ============================================ */

/* CSS Variables / Design Tokens */
:root {
    /* Colors */
    --bg-primary: #060a1a;
    --bg-secondary: #0b1029;
    --bg-tertiary: #111638;
    --bg-card: rgba(15, 20, 50, 0.7);
    --bg-glass: rgba(15, 20, 55, 0.4);
    --border-glass: rgba(240, 165, 0, 0.12);
    --accent: #f0a500;
    --accent-light: #ffc947;
    --accent-dark: #c78800;
    --accent-glow: rgba(240, 165, 0, 0.3);
    --accent-subtle: rgba(240, 165, 0, 0.08);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.45);
    --gradient-hero: linear-gradient(135deg, #060a1a 0%, #0d1340 50%, #1a0a30 100%);
    --gradient-accent: linear-gradient(135deg, #f0a500, #ff6b35);
    --gradient-card: linear-gradient(135deg, rgba(240, 165, 0, 0.08), rgba(255, 107, 53, 0.04));

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-arabic: 'Noto Sans Arabic', 'Inter', sans-serif;

    /* Spacing */
    --section-padding: 120px 0;
    --container-width: 1200px;
    --gap: 30px;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;

    /* Transitions */
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Arabic direction support */
html[dir="rtl"] body {
    font-family: var(--font-arabic);
}

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

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

ul { list-style: none; }

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   PRELOADER
   ============================================ */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader {
    position: relative;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader-ring::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border: 3px solid transparent;
    border-top-color: var(--accent-light);
    border-radius: 50%;
    animation: spin 0.7s linear reverse infinite;
}

.loader-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.2rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

/* ============================================
   PARTICLES CANVAS
   ============================================ */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(6, 10, 26, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(240, 165, 0, 0.08);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo-r {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.logo-dot {
    color: var(--accent);
    font-size: 2.2rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    position: relative;
    letter-spacing: 0.3px;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

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

.lang-switcher {
    display: flex;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 12px;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.lang-btn:hover {
    color: var(--text-secondary);
}

.lang-btn.active {
    background: var(--gradient-accent);
    color: var(--bg-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

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

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

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(240, 165, 0, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(100, 50, 200, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse 40% 30% at 10% 60%, rgba(0, 100, 255, 0.04) 0%, transparent 50%);
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg at 50% 50%, transparent 0deg, rgba(240, 165, 0, 0.02) 60deg, transparent 120deg, rgba(100, 50, 200, 0.02) 180deg, transparent 240deg, rgba(0, 150, 255, 0.02) 300deg, transparent 360deg);
    animation: heroRotate 30s linear infinite;
    z-index: 0;
}

@keyframes heroRotate {
    100% { transform: rotate(360deg); }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--accent);
    padding: 10px 28px;
    border: 1px solid var(--accent);
    border-radius: 50px;
    margin-bottom: 32px;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.3s;
}

.hero-title {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 28px;
}

.hero-line {
    display: block;
    font-size: clamp(2.2rem, 5vw, 4.2rem);
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
}

.hero-line:nth-child(1) { animation-delay: 0.5s; }
.hero-line:nth-child(3) { animation-delay: 0.9s; }

.hero-highlight {
    font-size: clamp(3rem, 7vw, 5.5rem);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation-delay: 0.7s;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 40px;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 1.1s;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 64px;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 1.3s;
}

/* Buttons */
.btn {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 14px 36px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--bg-primary);
    box-shadow: 0 4px 25px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px rgba(240, 165, 0, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 1.5s;
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-plus {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 1.8s;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    position: relative;
}

.mouse-wheel {
    width: 4px;
    height: 8px;
    background: var(--accent);
    border-radius: 4px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollMouse 1.5s ease infinite;
}

@keyframes scrollMouse {
    0% { opacity: 1; top: 6px; }
    100% { opacity: 0; top: 24px; }
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   SECTIONS (Common)
   ============================================ */
.section {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-tag {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--accent);
    text-transform: uppercase;
    display: block;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.section-line {
    width: 60px;
    height: 3px;
    background: var(--gradient-accent);
    margin: 0 auto;
    border-radius: 4px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 20px auto 0;
}

/* Glass Card */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--bg-secondary);
}

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

.about-card {
    padding: 48px 36px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.about-card:hover::before {
    transform: scaleX(1);
}

.about-card:hover {
    transform: translateY(-8px);
    border-color: rgba(240, 165, 0, 0.25);
    box-shadow: 0 20px 60px rgba(240, 165, 0, 0.08);
}

.about-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--accent-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 1.6rem;
    color: var(--accent);
    transition: var(--transition);
}

.about-card:hover .about-icon {
    background: var(--gradient-accent);
    color: var(--bg-primary);
    transform: scale(1.1);
}

.about-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    background: var(--bg-primary);
}

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

.service-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius);
    padding: 44px 32px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-card);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(240, 165, 0, 0.2);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.service-card:hover::after {
    opacity: 1;
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-icon-wrap {
    width: 80px;
    height: 80px;
    border-radius: var(--radius);
    background: var(--accent-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 2rem;
    color: var(--accent);
    transition: var(--transition);
}

.service-card:hover .service-icon-wrap {
    background: var(--gradient-accent);
    color: var(--bg-primary);
    transform: scale(1.05) rotate(-5deg);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ============================================
   TEAM SECTION
   ============================================ */
.team {
    background: var(--bg-secondary);
}

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

.team-card {
    text-align: center;
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-8px);
}

.team-img {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 20px;
    aspect-ratio: 1 / 1;
    background: var(--bg-tertiary);
}

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

.team-card:hover .team-img img {
    transform: scale(1.08);
}

.team-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(6, 10, 26, 0.9) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 20px;
    opacity: 0;
    transition: var(--transition);
}

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

.team-social {
    display: flex;
    gap: 12px;
}

.team-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: var(--transition);
    transform: translateY(20px);
}

.team-card:hover .team-social a {
    transform: translateY(0);
}

.team-social a:hover {
    background: var(--accent-light);
    transform: translateY(-3px) !important;
}

.team-card h4 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.team-role {
    font-size: 0.88rem;
    color: var(--accent);
    font-weight: 500;
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */
.portfolio {
    background: var(--bg-primary);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 500;
    padding: 10px 26px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-accent);
    color: var(--bg-primary);
    border-color: transparent;
}

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

.portfolio-item {
    transition: var(--transition);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-img {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: var(--bg-tertiary);
    cursor: pointer;
}

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

.portfolio-item:hover .portfolio-img img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(6, 10, 26, 0.95) 0%, rgba(6, 10, 26, 0.3) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-cat {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
}

.portfolio-overlay h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.portfolio-overlay p {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
    background: var(--bg-secondary);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
}

.testimonial-card {
    padding: 40px 32px;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-6px);
    border-color: rgba(240, 165, 0, 0.2);
}

.testimonial-stars {
    margin-bottom: 20px;
    display: flex;
    gap: 4px;
}

.testimonial-stars i {
    color: var(--accent);
    font-size: 0.95rem;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 28px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-info h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
}

.author-info span {
    font-size: 0.82rem;
    color: var(--accent);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    background: var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 50px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    padding: 24px 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.contact-card:hover {
    border-color: rgba(240, 165, 0, 0.2);
    transform: translateX(5px);
}

html[dir="rtl"] .contact-card:hover {
    transform: translateX(-5px);
}

.contact-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--accent-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-card h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-socials {
    display: flex;
    gap: 12px;
    padding-top: 10px;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gradient-accent);
    color: var(--bg-primary);
    border-color: transparent;
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form {
    padding: 44px;
}

.contact-form h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    position: relative;
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
}

.form-group label {
    position: absolute;
    left: 20px;
    top: 16px;
    color: var(--text-muted);
    font-size: 0.95rem;
    pointer-events: none;
    transition: var(--transition);
}

html[dir="rtl"] .form-group label {
    left: auto;
    right: 20px;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 14px;
    font-size: 0.75rem;
    color: var(--accent);
    background: var(--bg-primary);
    padding: 2px 8px;
    border-radius: 4px;
}

html[dir="rtl"] .form-group input:focus + label,
html[dir="rtl"] .form-group input:not(:placeholder-shown) + label,
html[dir="rtl"] .form-group textarea:focus + label,
html[dir="rtl"] .form-group textarea:not(:placeholder-shown) + label {
    left: auto;
    right: 14px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-secondary);
    padding: 80px 0 0;
    position: relative;
    z-index: 1;
    border-top: 1px solid rgba(240, 165, 0, 0.06);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 50px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links h4,
.footer-newsletter h4 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 6px;
}

html[dir="rtl"] .footer-links a:hover {
    padding-left: 0;
    padding-right: 6px;
}

.footer-newsletter p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.newsletter-form {
    display: flex;
    gap: 8px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
}

.newsletter-form input:focus {
    border-color: var(--accent);
}

.newsletter-form .btn {
    padding: 12px 18px;
    flex-shrink: 0;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 0.85rem;
    color: var(--text-muted);
}

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

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-accent);
    color: var(--bg-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 20px var(--accent-glow);
}

html[dir="rtl"] .back-to-top {
    right: auto;
    left: 30px;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(240, 165, 0, 0.5);
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
[data-aos] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-40px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(40px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablets */
@media (max-width: 1024px) {
    .about-grid,
    .services-grid,
    .testimonials-slider {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: rgba(6, 10, 26, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 8px;
        padding: 40px;
        transition: var(--transition);
    }

    html[dir="rtl"] .nav-menu {
        right: auto;
        left: -100%;
    }

    .nav-menu.open {
        right: 0;
    }

    html[dir="rtl"] .nav-menu.open {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-link {
        font-size: 1.1rem;
        padding: 12px 0;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .about-grid,
    .services-grid,
    .team-grid,
    .portfolio-grid,
    .testimonials-slider {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .contact-form {
        padding: 28px;
    }

    .hero-title .hero-line {
        font-size: 2rem;
    }

    .hero-highlight {
        font-size: 2.8rem !important;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .portfolio-filters {
        gap: 6px;
    }

    .filter-btn {
        padding: 8px 18px;
        font-size: 0.8rem;
    }
}