/* ===========================================================
   PORTFOLIO - SHARED COMPONENT LIBRARY
   Premium Creative Agency Design System
   Supports both LTR & RTL via CSS Variables
   =========================================================== */

/* ========== DESIGN TOKENS ========== */
:root {
    /* Color System */
    --folio-primary: #0F172A;
    --folio-secondary: #111827;
    --folio-accent: #3B82F6;
    --folio-highlight: #06B6D4;
    --folio-bg: #020617;
    --folio-text: #FFFFFF;
    --folio-text-muted: rgba(255, 255, 255, 0.72);
    --folio-text-dim: rgba(255, 255, 255, 0.52);
    --folio-border: rgba(255, 255, 255, 0.09);
    --folio-glass: rgba(15, 23, 42, 0.62);
    --folio-accent-gradient: linear-gradient(135deg, var(--folio-accent) 0%, var(--folio-highlight) 100%);

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, var(--folio-accent) 0%, var(--folio-highlight) 100%);
    --gradient-glow: radial-gradient(circle, rgba(59, 130, 246, 0.42) 0%, rgba(6, 182, 212, 0) 70%);
    --gradient-dark: radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.18) 0%, transparent 45%),
        radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.14) 0%, transparent 40%);

    /* Typography */
    --font-primary: 'Poppins', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --font-arabic: 'Cairo', var(--font-primary);
    --text-xs: clamp(0.75rem, 0.65rem + 0.5vw, 0.875rem);
    --text-sm: clamp(0.8125rem, 0.725rem + 0.44vw, 0.9375rem);
    --text-base: clamp(0.9375rem, 0.85rem + 0.44vw, 1.0625rem);
    --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.375rem);
    --text-xl: clamp(1.375rem, 1.2rem + 0.875vw, 1.75rem);
    --text-2xl: clamp(1.75rem, 1.45rem + 1.5vw, 2.5rem);
    --text-3xl: clamp(2.125rem, 1.65rem + 2.375vw, 3.5rem);
    --text-hero: clamp(2.75rem, 1.8rem + 4.75vw, 6.5rem);

    /* Spacing */
    --section-py: clamp(5rem, 7vw, 9rem);
    --container-max: 1320px;

    /* Transitions */
    --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
    --duration-fast: 0.25s;
    --duration-base: 0.45s;
    --duration-slow: 0.85s;

    /* Direction defaults (overridden by language CSS) */
    --dir: ltr;
    --start: left;
    --end: right;
}

/* ========== BASE RESET ========== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.7;
    color: var(--folio-text);
    background-color: var(--folio-bg);
    overflow-x: hidden;
    direction: var(--dir);
}

html[dir="rtl"] body {
    font-family: var(--font-arabic);
}

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

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

ul, ol {
    list-style: none;
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6, p {
    margin: 0;
}

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

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

::selection {
    background: var(--folio-accent);
    color: #fff;
}

/* ========== LOADING SCREEN ========== */
#folio-loading {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--folio-bg);
    transition: opacity var(--duration-slow) var(--ease-smooth), visibility var(--duration-slow);
}

#folio-loading.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

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

.loader-logo {
    font-size: var(--text-2xl);
    font-weight: 700;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-block-end: 1.5rem;
}

.loader-bar {
    width: 180px;
    height: 2px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.loader-progress {
    width: 0%;
    height: 100%;
    background: var(--gradient-hero);
    border-radius: 2px;
    transition: width 0.2s linear;
}

/* ========== SCROLL PROGRESS ========== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 9998;
    background: transparent;
}

.scroll-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--gradient-hero);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
    transition: width 0.1s linear;
}

/* ========== CUSTOM CURSOR ========== */
.custom-cursor {
    position: fixed;
    width: 22px;
    height: 22px;
    border: 2px solid var(--folio-accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, background 0.3s, border-color 0.3s;
    mix-blend-mode: difference;
}

.custom-cursor.hover {
    width: 55px;
    height: 55px;
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--folio-highlight);
}

.cursor-dot {
    position: fixed;
    width: 6px;
    height: 6px;
    background: var(--folio-highlight);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10001;
    transform: translate(-50%, -50%);
}

@media (pointer: coarse) {
    .custom-cursor, .cursor-dot {
        display: none;
    }
}

/* ========== BACK TO TOP ========== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    inset-inline-end: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--folio-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--folio-border);
    color: var(--folio-text);
    font-size: 1.25rem;
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--duration-fast) var(--ease-smooth);
}

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

.back-to-top:hover {
    background: var(--folio-accent);
    color: #fff;
    transform: translateY(-4px);
}

/* ========== BACKGROUND ELEMENTS ========== */
.bg-gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.6;
    pointer-events: none;
}

.bg-gradient-orb--primary {
    width: 600px;
    height: 600px;
    background: rgba(59, 130, 246, 0.2);
    top: -200px;
    inset-inline-end: -200px;
}

.bg-gradient-orb--secondary {
    width: 500px;
    height: 500px;
    background: rgba(6, 182, 212, 0.16);
    bottom: -150px;
    inset-inline-start: -150px;
}

.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* ========== FLOATING SHAPES ========== */
.floating-shape {
    position: absolute;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(8px);
    pointer-events: none;
    animation: float 8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(4deg); }
}

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

.glass-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid var(--folio-border);
    border-radius: 24px;
    transition: transform var(--duration-base) var(--ease-smooth), box-shadow var(--duration-base) var(--ease-smooth);
}

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35), 0 0 40px rgba(59, 130, 246, 0.12);
}

.glass-panel {
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 20px;
}

/* ========== TYPOGRAPHY UTILITIES ========== */
.text-gradient {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.text-muted {
    color: var(--folio-text-muted);
}

.text-dim {
    color: var(--folio-text-dim);
}

.label-tag {
    display: inline-block;
    padding: 0.35rem 1rem;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 50px;
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--folio-accent);
    margin-block-end: 1.25rem;
}

.section-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-block-end: 1.25rem;
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--folio-text-muted);
    max-width: 640px;
    margin-block-end: 0;
}

.section-header {
    margin-block-end: 3.5rem;
    max-width: 800px;
    margin-inline: auto;
}

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

/* ========== BUTTONS ========== */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.94rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: var(--text-sm);
    overflow: hidden;
    transition: all var(--duration-base) var(--ease-smooth);
    z-index: 1;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--gradient-hero);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.35);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--folio-highlight) 0%, var(--folio-accent) 100%);
    opacity: 0;
    transition: opacity var(--duration-base) var(--ease-smooth);
    z-index: -1;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 40px rgba(59, 130, 246, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--folio-text);
    border-color: rgba(255, 255, 255, 0.25);
}

.btn-outline::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.08);
    opacity: 0;
    transition: opacity var(--duration-base) var(--ease-smooth);
    z-index: -1;
}

.btn-outline:hover::before {
    opacity: 1;
}

.btn-outline:hover {
    border-color: var(--folio-accent);
    color: var(--folio-text);
}

.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* ========== NAVIGATION ========== */
.folio-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    padding: 1.35rem 0;
    background: rgba(2, 6, 23, 0.45);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: all var(--duration-base) var(--ease-smooth);
}

.folio-nav.scrolled {
    padding: 0.85rem 0;
    background: rgba(2, 6, 23, 0.96);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--folio-border);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}

.folio-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: var(--text-2xl);
    font-weight: 800;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.75rem;
}

.nav-link {
    position: relative;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--folio-text-muted);
    padding: 0.6rem 0;
    transition: color var(--duration-fast);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    inset-inline-start: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-hero);
    border-radius: 3px;
    transition: width var(--duration-base) var(--ease-smooth);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lang-switch {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1.5px solid var(--folio-border);
    font-weight: 700;
    font-size: var(--text-xs);
    color: var(--folio-text-muted);
    background: rgba(255, 255, 255, 0.04);
    transition: all var(--duration-fast);
}

.lang-switch:hover {
    background: rgba(59, 130, 246, 0.18);
    color: var(--folio-text);
    border-color: rgba(59, 130, 246, 0.5);
    transform: translateY(-2px);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 7px;
    padding: 10px;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 30px;
    height: 3px;
    background: var(--folio-text);
    border-radius: 3px;
    transition: all 0.35s var(--ease-smooth);
}

.mobile-toggle.active span:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
}

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

.mobile-toggle.active span:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}

/* ========== SECTION BASE ========== */
.section {
    position: relative;
    padding-block: var(--section-py);
    overflow: hidden;
}

.section-dark {
    background: var(--folio-primary);
}

.section-alt {
    background: rgba(17, 24, 39, 0.5);
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding-inline: 1.25rem;
}

/* ========== HERO SECTION ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-block: 8rem 5rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
    background: var(--gradient-dark), var(--folio-bg);
}

.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
    z-index: -2;
    mix-blend-mode: overlay;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(2, 6, 23, 0.3) 0%, rgba(2, 6, 23, 0.92) 100%);
    z-index: -1;
}

#particles-canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: var(--align-hero, start);
}

.hero-greeting {
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--folio-accent);
    margin-block-end: 1rem;
    display: block;
}

.hero-title {
    font-size: var(--text-hero);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-block-end: 1.5rem;
}

.hero-title .accent-word {
    display: inline-block;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--folio-text-muted);
    margin-block-end: 2.25rem;
    min-height: 2.8em;
}

.hero-cta {
    margin-block-end: 4rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 760px;
    margin-inline: auto;
}

.stat-card {
    padding: 1.5rem 1rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--folio-border);
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

.stat-number {
    font-size: var(--text-2xl);
    font-weight: 700;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    margin-block-end: 0.5rem;
}

.stat-label {
    font-size: var(--text-xs);
    color: var(--folio-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 450px;
    aspect-ratio: 1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.hero-glow {
    position: absolute;
    inset: -20px;
    background: var(--gradient-glow);
    border-radius: 40px;
    filter: blur(40px);
    z-index: -1;
    opacity: 0.7;
}

/* ========== ABOUT SECTION ========== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 4rem;
    align-items: center;
}

.about-image-wrapper,
.about-content {
    min-width: 0;
}

.about-image-wrapper {
    position: relative;
}

.about-image {
    width: 100%;
    border-radius: 28px;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.experience-badge {
    position: absolute;
    bottom: -25px;
    inset-inline-start: 10%;
    padding: 1.5rem 2rem;
    background: var(--gradient-hero);
    border-radius: 20px;
    color: #fff;
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.35);
}

.experience-badge .years {
    font-size: var(--text-2xl);
    font-weight: 800;
    line-height: 1;
}

.experience-badge .text {
    font-size: var(--text-xs);
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.about-text p {
    color: var(--folio-text-muted);
    margin-block-end: 1.25rem;
}

.about-mission {
    padding: 1.5rem;
    margin-block: 2rem;
    background: rgba(59, 130, 246, 0.08);
    border-inline-start: 4px solid var(--folio-accent);
    border-radius: 0 16px 16px 0;
}

[dir="rtl"] .about-mission {
    border-radius: 16px 0 0 16px;
}

.about-mission p {
    margin-block-end: 0;
    color: var(--folio-text);
    font-style: italic;
    font-size: var(--text-lg);
}

.skills-list {
    display: grid;
    gap: 1.25rem;
    margin-block-start: 2rem;
}

.skill-item {
    margin-block-end: 0;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    margin-block-end: 0.5rem;
    font-size: var(--text-sm);
    font-weight: 500;
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    width: 0;
    background: var(--gradient-hero);
    border-radius: 10px;
    transition: width 1.4s var(--ease-out-expo);
}

/* ========== SERVICES SECTION ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.75rem;
}

.service-card {
    position: relative;
    padding: 2.25rem 1.75rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid var(--folio-border);
    overflow: hidden;
    transition: all var(--duration-base) var(--ease-smooth);
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(59, 130, 246, 0.18), transparent 50%);
    opacity: 0;
    transition: opacity var(--duration-base);
    pointer-events: none;
}

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

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(59, 130, 246, 0.35);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.25);
    font-size: 1.75rem;
    color: var(--folio-accent);
    margin-block-end: 1.5rem;
    position: relative;
    z-index: 1;
}

.service-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-block-end: 0.75rem;
    position: relative;
    z-index: 1;
}

.service-desc {
    color: var(--folio-text-muted);
    font-size: var(--text-sm);
    margin-block-end: 1.5rem;
    position: relative;
    z-index: 1;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--folio-accent);
    position: relative;
    z-index: 1;
}

.service-link i {
    transition: transform var(--duration-fast) var(--ease-smooth);
}

.service-card:hover .service-link i {
    transform: translateX(6px);
}

[dir="rtl"] .service-card:hover .service-link i {
    transform: translateX(-6px);
}

/* ========== PORTFOLIO SECTION ========== */
.portfolio-filter,
.portfolio-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-block-end: 3rem;
}

.filter-btn {
    padding: 0.6rem 1.35rem;
    border-radius: 50px;
    border: 1px solid var(--folio-border);
    background: transparent;
    color: var(--folio-text-muted);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--duration-fast) var(--ease-smooth);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--folio-accent);
    border-color: var(--folio-accent);
    color: #fff;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.portfolio-grid.masonry {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    grid-auto-rows: 10px;
}

.portfolio-item {
    position: relative;
    border-radius: 22px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4 / 3;
    transition: transform var(--duration-base) var(--ease-smooth), opacity var(--duration-base);
}

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

.portfolio-item img,
.portfolio-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-smooth);
}

.portfolio-item:hover img,
.portfolio-item:hover video {
    transform: scale(1.08);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(2, 6, 23, 0.92) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.75rem;
    opacity: 0;
    transition: opacity var(--duration-base) var(--ease-smooth);
}

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

.portfolio-category {
    display: inline-block;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--folio-highlight);
    margin-block-end: 0.5rem;
}

.portfolio-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: #fff;
}

.portfolio-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    opacity: 0;
    transition: all var(--duration-base) var(--ease-smooth);
}

.portfolio-item:hover .portfolio-play {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* ========== LIGHTBOX ========== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(2, 6, 23, 0.95);
    backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-base), visibility var(--duration-base);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-content img,
.lightbox-content video {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 16px;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.6);
}

.lightbox-title {
    margin-block-start: 1rem;
    font-size: var(--text-lg);
    font-weight: 600;
}

.lightbox-close {
    position: absolute;
    top: -50px;
    inset-inline-end: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--folio-border);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: background var(--duration-fast);
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ========== FEATURED PROJECTS ========== */
.featured-slider {
    position: relative;
}

.featured-track {
    display: flex;
    gap: 2rem;
    transition: transform var(--duration-slow) var(--ease-smooth);
}

.featured-slide {
    min-width: calc(100% - 2rem);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.featured-image,
.featured-content {
    min-width: 0;
}

.featured-image {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--folio-border);
}

.featured-image img,
.featured-image video {
    width: 100%;
    height: auto;
    display: block;
}

.featured-content {
    padding: 1rem;
}

.featured-label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--folio-accent);
    margin-block-end: 1rem;
    display: block;
}

.featured-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-block-end: 1rem;
}

.featured-desc {
    color: var(--folio-text-muted);
    margin-block-end: 1.75rem;
}

.featured-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-block-end: 2rem;
}

.featured-metric {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 14px;
    border: 1px solid var(--folio-border);
}

.featured-metric .value {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--folio-highlight);
}

.featured-metric .label {
    font-size: var(--text-xs);
    color: var(--folio-text-dim);
}

.featured-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    margin-block-start: 2.5rem;
}

.featured-arrow {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--folio-border);
    color: var(--folio-text);
    font-size: 1.1rem;
    transition: all var(--duration-fast);
}

.featured-arrow:hover {
    background: var(--folio-accent);
    border-color: var(--folio-accent);
}

.featured-dots {
    display: flex;
    gap: 0.5rem;
}

.featured-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    transition: all var(--duration-fast);
}

.featured-dot.active {
    width: 28px;
    border-radius: 10px;
    background: var(--folio-accent);
}

/* ========== CLIENTS MARQUEE ========== */
.clients-marquee {
    position: relative;
    overflow: hidden;
    padding: 2rem 0;
}

.clients-track {
    display: flex;
    align-items: center;
    gap: 4rem;
    animation: marquee 30s linear infinite;
    width: max-content;
}

.clients-track a {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.clients-marquee:hover .clients-track {
    animation-play-state: paused;
}

.client-logo {
    flex-shrink: 0;
    height: 40px;
    opacity: 0.55;
    filter: grayscale(100%);
    transition: all var(--duration-fast);
}

.client-logo:hover {
    opacity: 1;
    filter: grayscale(0%);
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes marquee-rtl {
    0% { transform: translateX(0); }
    100% { transform: translateX(50%); }
}

[dir="rtl"] .clients-track {
    animation-name: marquee-rtl;
}

/* ========== TESTIMONIALS ========== */
.testimonials-slider {
    position: relative;
    overflow: hidden;
    padding: 1rem;
}

.testimonials-track {
    display: flex;
    gap: 2rem;
    transition: transform var(--duration-slow) var(--ease-smooth);
}

.testimonial-card {
    min-width: calc(100% - 2rem);
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--folio-border);
    border-radius: 28px;
    backdrop-filter: blur(16px);
    position: relative;
}

.testimonial-quote {
    font-size: 3rem;
    line-height: 1;
    color: var(--folio-accent);
    opacity: 0.6;
    position: absolute;
    top: 1.5rem;
    inset-inline-start: 1.5rem;
}

.testimonial-text {
    font-size: var(--text-lg);
    font-style: italic;
    color: var(--folio-text-muted);
    margin-block-end: 2rem;
    padding-inline-start: 3rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-inline-start: 3rem;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--folio-accent);
}

.testimonial-name {
    font-size: var(--text-base);
    font-weight: 700;
}

.testimonial-role {
    font-size: var(--text-sm);
    color: var(--folio-text-dim);
}

/* Fallback grid for testimonials when JS is disabled or .testimonials-grid is used */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonials-grid .testimonial-card {
    min-width: 0;
}

/* Testimonials slider navigation */
.testimonial-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    margin-block-start: 2.5rem;
}

.testimonial-arrow {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--folio-border);
    color: var(--folio-text);
    font-size: 1.1rem;
    transition: all var(--duration-fast);
    background: transparent;
}

.testimonial-arrow:hover {
    background: var(--folio-accent);
    border-color: var(--folio-accent);
}

.testimonial-dots {
    display: flex;
    gap: 0.5rem;
}

.testimonial-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    transition: all var(--duration-fast);
    border: none;
}

.testimonial-dot.active {
    width: 28px;
    border-radius: 10px;
    background: var(--folio-accent);
}

/* ========== CONTACT SECTION ========== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
}

.contact-info,
.contact-form-wrapper {
    min-width: 0;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-block-end: 1.75rem;
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--folio-accent);
    flex-shrink: 0;
}

.contact-info-title {
    font-size: var(--text-sm);
    font-weight: 600;
    margin-block-end: 0.25rem;
}

.contact-info-text {
    color: var(--folio-text-muted);
    font-size: var(--text-sm);
    direction: ltr;
    unicode-bidi: plaintext;
    word-break: break-all;
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-block-start: 2rem;
}

.social-link {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--folio-border);
    color: var(--folio-text-muted);
    font-size: 1.1rem;
    transition: all var(--duration-fast) var(--ease-smooth);
}

.social-link:hover {
    background: var(--folio-accent);
    border-color: var(--folio-accent);
    color: #fff;
    transform: translateY(-4px);
}

.contact-form {
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--folio-border);
    border-radius: 28px;
    backdrop-filter: blur(16px);
}

.contact-form .row {
    margin-inline: 0;
}

.form-group {
    margin-block-end: 1.5rem;
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    margin-block-end: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.9rem 1.25rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--folio-border);
    border-radius: 14px;
    color: var(--folio-text);
    transition: all var(--duration-fast);
    unicode-bidi: plaintext;
    text-align: start;
}

.form-control:focus {
    outline: none;
    border-color: var(--folio-accent);
    background: rgba(255, 255, 255, 0.07);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}

.form-control::placeholder {
    color: var(--folio-text-dim);
}

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

.form-status {
    margin-block-start: 1rem;
    font-size: var(--text-sm);
    min-height: 1.5em;
}

/* ========== PROJECT DETAIL ========== */
.featured-section {
    position: relative;
    padding-block: var(--section-py);
    overflow: hidden;
    background: var(--folio-bg);
}

.featured-tag {
    display: inline-block;
    padding: 0.35rem 1rem;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 50px;
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--folio-accent);
    margin-block-end: 1rem;
}

.featured-section .featured-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-block: 2rem;
}

.meta-item {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--folio-border);
    border-radius: 14px;
    text-align: center;
}

.meta-label {
    display: block;
    font-size: var(--text-xs);
    color: var(--folio-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-block-end: 0.35rem;
}

.meta-value {
    display: block;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--folio-text);
}

/* ========== FOOTER ========== */
.folio-footer {
    padding: 3rem 0;
    border-top: 1px solid var(--folio-border);
    background: var(--folio-primary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-logo {
    font-size: var(--text-xl);
    font-weight: 700;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.footer-copy {
    color: var(--folio-text-dim);
    font-size: var(--text-sm);
}

/* ========== REVEAL ANIMATIONS ========== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.9s var(--ease-smooth), transform 0.9s var(--ease-smooth);
}

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.9s var(--ease-smooth), transform 0.9s var(--ease-smooth);
}

.reveal-left.active,
.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

[dir="rtl"] .reveal-left {
    transform: translateX(60px);
}

[dir="rtl"] .reveal-right {
    transform: translateX(-60px);
}

/* Disable left/right reveal animations on mobile to avoid layout issues */
@media (max-width: 767.98px) {
    .reveal-left,
    .reveal-right {
        opacity: 1 !important;
        transform: none !important;
    }

    [dir="rtl"] .reveal-left,
    [dir="rtl"] .reveal-right {
        transform: none !important;
    }
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1199.98px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image-wrapper,
    .about-content {
        justify-self: center;
        width: 100%;
    }

    .about-image-wrapper {
        max-width: 560px;
        margin-inline: auto;
    }

    .about-content {
        max-width: 720px;
        margin-inline: auto;
    }

    .skills-list {
        max-width: 600px;
        margin-inline: auto;
        text-align: start;
    }

    .experience-badge {
        position: relative;
        bottom: auto;
        inset-inline-start: auto;
        margin-block-start: 1.5rem;
        margin-inline: auto;
        text-align: center;
        width: fit-content;
        max-width: 100%;
    }

    .contact-info,
    .contact-form-wrapper {
        justify-self: center;
        width: 100%;
    }

    .contact-info {
        max-width: 560px;
        margin-inline: auto;
    }

    .contact-form-wrapper {
        max-width: 720px;
        margin-inline: auto;
    }

    .featured-slide {
        grid-template-columns: 1fr;
    }

    .featured-image,
    .featured-content {
        order: unset;
        max-width: 720px;
        margin-inline: auto;
    }

    .featured-image {
        margin-block-end: 1.5rem;
    }

    .featured-content {
        padding: 0;
    }

    .featured-meta {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        max-width: 600px;
        margin-inline: auto;
    }
}

@media (max-width: 991.98px) {
    .mobile-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        inset-inline-start: 0;
        width: 100%;
        height: 100vh;
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        background: rgba(2, 6, 23, 0.97);
        backdrop-filter: blur(20px);
        transform: translateX(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--duration-base) var(--ease-smooth);
    }

    html[dir="rtl"] .nav-menu {
        transform: translateX(100%);
    }

    .nav-menu.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        font-size: var(--text-xl);
        font-weight: 600;
    }

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

    .featured-content,
    .featured-image {
        order: unset;
    }
}

@media (max-width: 767.98px) {
    :root {
        --section-py: 4rem;
    }

    .hero-title {
        font-size: clamp(2.25rem, 9vw, 3.5rem);
    }

    .hero-stats {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }

    .stat-card {
        padding: 1rem 0.75rem;
    }

    .btn-group {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        justify-content: center;
    }

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

    .featured-meta {
        grid-template-columns: 1fr;
    }

    .about-content,
    .featured-content,
    .contact-info {
        text-align: center;
    }

    .contact-info-item {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .social-links {
        justify-content: center;
    }

    .contact-form {
        padding: 1.75rem;
    }

    .testimonial-text,
    .testimonial-author {
        padding-inline-start: 0;
    }

    .testimonial-quote {
        display: none;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 575.98px) {
    .hero-stats {
        grid-template-columns: 1fr;
    }

    .experience-badge {
        position: relative;
        bottom: auto;
        inset-inline-start: auto;
        margin-block-start: 1.5rem;
    }

    .featured-arrow {
        width: 42px;
        height: 42px;
    }
}

/* ========== WHATSAPP FLOATING BUTTON ========== */
.whatsapp-btn {
    position: fixed;
    bottom: 1.5rem;
    inset-inline-start: 1.5rem;
    z-index: 999;
    background: #25d366;
    color: #fff;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-btn:hover {
    background: #128C7E;
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

@media (max-width: 768px) {
    .whatsapp-btn {
        width: 52px;
        height: 52px;
        font-size: 1.3rem;
        bottom: 1rem;
        inset-inline-start: 1rem;
    }
}