/* =========================================================
   SadeemSoftIO - Modern Tech Website Styles
   - Dark futuristic theme with glassmorphism
   - Full RTL/LTR bilingual support
   - Smooth animations & micro-interactions
   ========================================================= */

/* ========== CSS VARIABLES ========== */
:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #111633;
    --bg-tertiary: #161b3c;
    --text-primary: #ffffff;
    --text-secondary: #a1a9c4;
    --text-muted: #6b7290;

    --accent-1: #6366f1;
    --accent-2: #8b5cf6;
    --accent-3: #ec4899;
    --accent-cyan: #06b6d4;

    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #6366f1 100%);
    --gradient-accent-1: linear-gradient(135deg, #6366f1, #8b5cf6);
    --gradient-accent-2: linear-gradient(135deg, #ec4899, #8b5cf6);
    --gradient-accent-3: linear-gradient(135deg, #06b6d4, #6366f1);
    --gradient-accent-4: linear-gradient(135deg, #f97316, #ec4899);

    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-hover: rgba(255, 255, 255, 0.08);

    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.3);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 999px;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;

    --container-max: 1200px;
    --header-height: 72px;
}

html[lang="ar"] {
    --font-body: 'Cairo', 'Inter', sans-serif;
    --font-display: 'Cairo', 'Space Grotesk', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

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

/* Background ambient effect */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.08), transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(236, 72, 153, 0.08), transparent 40%);
    pointer-events: none;
    z-index: 0;
}

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

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

ul { list-style: none; }

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

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

/* ========== CONTAINER ========== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* ========== TYPOGRAPHY HELPERS ========== */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    display: inline-block;
}

/* ========== GLASSMORPHISM ========== */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

/* ========== HEADER / NAVBAR ========== */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-height);
    z-index: 100;
    background: rgba(10, 14, 39, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition);
}

.header.scrolled {
    background: rgba(10, 14, 39, 0.9);
    border-bottom-color: var(--glass-border);
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 20px;
    color: var(--text-primary);
    transition: transform var(--transition);
}
.logo:hover { transform: scale(1.02); }

.logo-icon {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    filter: drop-shadow(0 4px 12px rgba(139, 92, 246, 0.4));
}

.logo-text { letter-spacing: -0.02em; }
.logo-accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    gap: 36px;
    align-items: center;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 6px 0;
    transition: color var(--transition);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}
.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--radius-full);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
    transition: all var(--transition);
}

.lang-switch:hover {
    background: var(--glass-hover);
    border-color: var(--accent-2);
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-full);
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.35);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
    transition: left 0.6s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.5);
}
.btn-primary:hover::before { left: 100%; }

.btn-ghost {
    background: transparent !important;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-ghost:hover {
    background: transparent !important;
    border-color: var(--accent-2);
    color: var(--accent-2);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

.btn .arrow-icon {
    transition: transform var(--transition);
}
.btn:hover .arrow-icon {
    transform: translateX(4px);
}
html[dir="rtl"] .btn:hover .arrow-icon {
    transform: translateX(-4px) scaleX(-1);
}
html[dir="rtl"] .arrow-icon {
    transform: scaleX(-1);
}

/* ========== HERO ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--header-height) + 40px) 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 14, 39, 0.7) 0%, rgba(10, 14, 39, 0.95) 100%);
}

/* Animated gradient blobs */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    z-index: 0;
    animation: float 20s ease-in-out infinite;
}
.blob-1 {
    width: 400px; height: 400px;
    background: var(--accent-1);
    top: 10%; left: -100px;
}
.blob-2 {
    width: 500px; height: 500px;
    background: var(--accent-3);
    bottom: -100px; right: -100px;
    animation-delay: -7s;
}
.blob-3 {
    width: 300px; height: 300px;
    background: var(--accent-cyan);
    top: 40%; right: 20%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%      { transform: translate(40px, -40px) scale(1.1); }
    66%      { transform: translate(-30px, 30px) scale(0.95); }
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 820px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    backdrop-filter: blur(10px);
    margin-bottom: 24px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-3);
    box-shadow: 0 0 12px var(--accent-3);
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.6; transform: scale(0.8); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 6vw, 4.5rem);
    line-height: 1.1;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}
.hero-title span {
    display: block;
}

.hero-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: var(--text-secondary);
    max-width: 620px;
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 620px;
}
.stat-num {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 6px;
}
.stat-num::after { content: '+'; }
.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    opacity: 0.6;
    animation: fade-bounce 2s ease-in-out infinite;
}
.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-secondary);
    border-radius: 12px;
    position: relative;
}
.wheel {
    width: 3px;
    height: 8px;
    background: var(--text-secondary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: wheel 2s ease-in-out infinite;
}
@keyframes wheel {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 22px; }
}
@keyframes fade-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%      { transform: translateX(-50%) translateY(-6px); }
}

/* ========== SECTIONS ========== */
.section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-full);
    color: var(--accent-2);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}
.section-title span {
    display: inline-block;
    margin: 0 6px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* ========== ABOUT ========== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.02rem;
    line-height: 1.8;
}

.about-features {
    margin-top: 28px;
}
.about-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    color: var(--text-secondary);
    font-size: 0.98rem;
}

.check-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

.about-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-card {
    padding: 32px;
    transition: all var(--transition);
}
.about-card:hover {
    transform: translateY(-6px);
    border-color: rgba(139, 92, 246, 0.4);
    box-shadow: var(--shadow-glow);
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 18px;
}

.gradient-bg-1 { background: var(--gradient-accent-1); }
.gradient-bg-2 { background: var(--gradient-accent-2); }
.gradient-bg-3 { background: var(--gradient-accent-3); }
.gradient-bg-4 { background: var(--gradient-accent-4); }

.about-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin-bottom: 10px;
}
.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========== SERVICES ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.service-card {
    padding: 36px 28px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}
.service-card:hover {
    transform: translateY(-8px);
    background: var(--glass-hover);
    border-color: rgba(139, 92, 246, 0.4);
    box-shadow: var(--shadow-glow);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 22px;
    transition: transform var(--transition);
}
.service-card:hover .service-icon {
    transform: rotate(-6deg) scale(1.05);
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 18px;
}

.service-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.service-tags span {
    padding: 5px 12px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ========== PORTFOLIO ========== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.portfolio-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: all var(--transition);
}
.portfolio-card:hover {
    transform: translateY(-6px);
    border-color: rgba(139, 92, 246, 0.4);
    box-shadow: var(--shadow-glow);
}

.portfolio-img {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}
.portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.portfolio-card:hover .portfolio-img img {
    transform: scale(1.08);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(10, 14, 39, 0.9));
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity var(--transition);
}
.portfolio-card:hover .portfolio-overlay { opacity: 1; }

.portfolio-view {
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    background: var(--gradient-primary);
    padding: 10px 20px;
    border-radius: var(--radius-full);
}

.portfolio-info {
    padding: 24px;
}
.portfolio-cat {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-2);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}
.portfolio-info h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 8px;
}
.portfolio-info p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* ========== CONTACT ========== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 40px;
    align-items: start;
}

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

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 22px;
    transition: all var(--transition);
}
.contact-info-item:hover {
    transform: translateX(4px);
    border-color: rgba(139, 92, 246, 0.4);
}
html[dir="rtl"] .contact-info-item:hover {
    transform: translateX(-4px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.contact-info-item h4 {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
}
.contact-info-item a,
.contact-info-item span {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.98rem;
}
.contact-info-item a:hover { color: var(--accent-2); }

/* Contact form */
.contact-form {
    padding: 36px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 15px;
    transition: all var(--transition);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-2);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-error {
    font-size: 13px;
    color: #ef4444;
    min-height: 16px;
}

.form-group.error input,
.form-group.error textarea {
    border-color: #ef4444;
}

.form-feedback {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    display: none;
}
.form-feedback.success {
    display: block;
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #22c55e;
}
.form-feedback.error {
    display: block;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

/* Button loading state */
.btn.loading {
    opacity: 0.7;
    pointer-events: none;
}
.btn.loading .btn-label::after {
    content: '...';
    animation: dots 1.4s infinite;
}
@keyframes dots {
    0%, 20% { content: '.'; }
    40%     { content: '..'; }
    60%, 100% { content: '...'; }
}

/* ========== FOOTER ========== */
.footer {
    padding: 70px 0 30px;
    border-top: 1px solid var(--glass-border);
    background: linear-gradient(180deg, transparent, rgba(10, 14, 39, 0.8));
    position: relative;
    z-index: 1;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 16px;
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 320px;
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: 18px;
    color: var(--text-primary);
}

.footer-col ul li {
    margin-bottom: 10px;
}
.footer-col ul li a {
    color: var(--text-secondary);
    font-size: 0.92rem;
    transition: all var(--transition);
}
.footer-col ul li a:hover {
    color: var(--accent-2);
    padding-inline-start: 4px;
}

.social-icons {
    display: flex;
    gap: 10px;
}
.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition);
}
.social-icon:hover {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.88rem;
}

/* ========== SCROLL REVEAL ========== */
[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}
[data-reveal].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== RTL OVERRIDES ========== */
html[dir="rtl"] body {
    text-align: right;
}
html[dir="rtl"] .hero-content,
html[dir="rtl"] .about-text,
html[dir="rtl"] .portfolio-info,
html[dir="rtl"] .footer-brand {
    text-align: right;
}

html[dir="rtl"] .nav-menu { flex-direction: row; }

/* ========== RESPONSIVE ========== */
@media (max-width: 960px) {
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .section { padding: 70px 0; }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 30px 24px;
        gap: 20px;
        border-bottom: 1px solid var(--glass-border);
        transform: translateY(-120%);
        transition: transform var(--transition);
    }
    .nav-menu.open {
        transform: translateY(0);
    }
    .nav-link {
        font-size: 17px;
        width: 100%;
    }
    .menu-toggle { display: flex; }

    .hero { min-height: auto; padding: calc(var(--header-height) + 30px) 0 60px; }
    .hero-stats { grid-template-columns: 1fr 1fr; gap: 20px; }
    .hero-cta { flex-direction: column; align-items: stretch; }
    .hero-cta .btn { width: 100%; }

    .scroll-indicator { display: none; }

    .footer-grid { grid-template-columns: 1fr; gap: 30px; }

    .contact-form { padding: 28px 22px; }
}

@media (max-width: 480px) {
    .container { padding: 0 18px; }
    .logo-text { font-size: 18px; }
    .logo-icon { width: 34px; height: 34px; }
    .section-header { margin-bottom: 40px; }
    .hero-stats { grid-template-columns: 1fr; }
}

/* ========== ACCESSIBILITY ========== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 2px solid var(--accent-2);
    outline-offset: 3px;
    border-radius: 4px;
}