:root {
    --pw-black: #050507;
    --pw-cream: #f3f5f8;
    --pw-text: rgba(243, 245, 248, 0.92);
    --pw-text-dim: rgba(243, 245, 248, 0.72);
    --pw-text-faint: rgba(243, 245, 248, 0.50);
    --pw-line: rgba(255, 255, 255, 0.12);
    --pw-line-strong: rgba(255, 255, 255, 0.18);
    --pw-surface-1: rgba(255, 255, 255, 0.04);
    --pw-surface-2: rgba(255, 255, 255, 0.07);
    --pw-surface-3: rgba(255, 255, 255, 0.10);
    --pw-surface-solid: #11131a;
    --pw-surface-raised: #131620;
    --pw-paper: #0a0c12;
    --pw-slate: #1e293b;
    --pw-slate-light: #334155;
    --pw-gold: #d4b47e;
    --pw-gold-deep: #9d7d4f;
    --pw-rose: #e08892;
    --pw-teal: #3dd9c5;
    --pw-success: #5ae691;
    --pw-warning: #ff9d0b;
    --pw-danger: #ff7e7e;
    --pw-ease: cubic-bezier(0.23, 1, 0.32, 1);
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 32px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Vazirmatn', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--pw-black);
    color: var(--pw-text);
    line-height: 1.75;
    overflow-x: hidden;
    direction: rtl;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
}

a {
    color: inherit;
    text-decoration: none;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 40px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 48px;
    }
}

.section {
    padding: 60px 0;
    position: relative;
}

@media (min-width: 768px) {
    .section {
        padding: 80px 0;
    }
}

@media (min-width: 1024px) {
    .section {
        padding: 100px 0;
    }
}

/* Reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--pw-ease), transform 0.7s var(--pw-ease);
    will-change: opacity, transform;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
    will-change: auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    min-height: 48px;
    border-radius: 999px;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s var(--pw-ease);
    border: 1px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #c9a86c, #d9777f);
    color: var(--pw-black);
    font-weight: 600;
    border: none;
    box-shadow: 0 10px 30px rgba(201, 168, 108, 0.3);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(201, 168, 108, 0.4);
}

.btn-outline {
    background: var(--pw-surface-2);
    border-color: var(--pw-line);
    color: var(--pw-cream);
}

.btn-outline:hover {
    background: var(--pw-surface-3);
    border-color: var(--pw-line-strong);
}

.btn-lg {
    padding: 18px 40px;
    min-height: 56px;
    font-size: 1.1rem;
}

.btn-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--pw-surface-3);
    border: 1px solid var(--pw-line);
    color: var(--pw-cream);
    transition: all 0.3s var(--pw-ease);
    cursor: pointer;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: var(--pw-line-strong);
    transform: translateY(-2px);
}

/* Pills */
.pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 999px;
    background: var(--pw-surface-2);
    border: 1px solid var(--pw-line);
    color: var(--pw-text-dim);
    font-size: 0.8rem;
    font-weight: 500;
}

.pill .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--pw-gold);
}

/* Section headers */
.section-header {
    margin-bottom: 56px;
}

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

.section-header.split {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.section-header-left {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.section-header-right {
    max-width: 460px;
    color: var(--pw-text-dim);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    color: var(--pw-cream);
    line-height: 1.25;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 72px;
    transition: background 0.4s var(--pw-ease), backdrop-filter 0.4s var(--pw-ease);
}

.header.scrolled {
    background: rgba(5, 5, 7, 0.72);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--pw-line);
}

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

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--pw-cream);
}

.brand-logo {
    width: 36px;
    height: 36px;
    color: var(--pw-cream);
}

.brand-name {
    font-weight: 700;
    font-size: 1.25rem;
}

.nav-desktop {
    display: none;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--pw-text-dim);
    font-size: 0.92rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--pw-cream);
}

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

.menu-toggle {
    display: flex;
}

/* Mobile menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 1100;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s var(--pw-ease), visibility 0.4s;
}

.mobile-menu.active {
    pointer-events: auto;
    opacity: 1;
    visibility: visible;
}

.mobile-menu-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(12px);
}

.mobile-menu-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100%;
    background: var(--pw-black);
    border-left: 1px solid var(--pw-line);
    padding: 80px 32px 32px;
    transform: translateX(100%);
    transition: transform 0.5s var(--pw-ease);
}

.mobile-menu.active .mobile-menu-panel {
    transform: translateX(0);
}

.menu-close {
    position: absolute;
    top: 20px;
    right: 24px;
}

.nav-mobile {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.nav-mobile-link {
    color: var(--pw-cream);
    font-size: 1.1rem;
    font-weight: 500;
    padding: 12px 0;
    border-bottom: 1px solid var(--pw-line);
}

/* Hero */
.hero {
    min-height: 100vh;
    min-height: 100dvh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 0 60px;
    overflow: hidden;
    text-align: center;
}

@media (min-width: 768px) {
    .hero {
        padding: 120px 0 80px;
    }
}

@media (min-width: 1024px) {
    .hero {
        padding: 140px 0 80px;
    }
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(180% 90% at 50% 0%, rgba(51, 65, 85, 0.45) 0%, rgba(30, 41, 59, 0.25) 35%, rgba(139, 107, 59, 0.15) 60%, rgba(5, 5, 7, 0.95) 100%);
}

/* SVG Landscape */
.landscape {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 62%;
    pointer-events: none;
    z-index: 1;
}

.land-field {
    fill: #06070b;
}

/* درختان کاجی */
.tree-base {
    fill: #1a3d2e;
    opacity: 0.4;
}

.tree-pine {
    fill: #0d1f1a;
    stroke: #1a4a3a;
    stroke-width: 0.6;
    opacity: 0.9;
}

/* ریشه‌های چمن */
.grass-blades .blade {
    fill: none;
    stroke: #1a4a35;
    stroke-width: 1.5;
    stroke-linecap: round;
    opacity: 0.6;
}

/* نقاط نورانی دوردست */
.distant-lights .light-dot {
    fill: #c9a86c;
    opacity: 0.8;
    animation: lightPulse 3s ease-in-out infinite;
}

.distant-lights .light-dot:nth-child(odd) {
    animation-delay: 1.2s;
}

@keyframes lightPulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

/* پارالاکس لایه‌ها */
.land-far, .land-mid, .land-near {
    transform: translateY(0);
    transition: transform 0.1s ease-out;
}

.trees {
    transition: transform 0.1s ease-out;
}

.grass-blades {
    transition: transform 0.1s ease-out;
}

/* Starfield */
.starfield {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.star {
    position: absolute;
    background: var(--pw-cream);
    border-radius: 50%;
    animation: twinkle 4s infinite ease-in-out;
    box-shadow: 0 0 2px currentColor;
}

.star.gold {
    background: var(--pw-gold);
}

.star.cool {
    background: var(--pw-teal);
}

.star.glint {
    animation: glint 6s infinite ease-in-out;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.9; transform: scale(1.2); }
}

@keyframes glint {
    0%, 100% { opacity: 0.2; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.5); box-shadow: 0 0 6px currentColor; }
}

.comets {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.comet {
    position: absolute;
    width: 12px;
    height: 12px;
    background: radial-gradient(circle, rgba(255, 245, 200, 1) 0%, rgba(255, 220, 120, 0.95) 40%, rgba(255, 180, 80, 0.7) 70%, rgba(201, 168, 108, 0) 100%);
    border-radius: 50%;
    box-shadow: 
        0 0 15px rgba(255, 230, 150, 0.9),
        0 0 25px rgba(255, 200, 100, 0.6),
        0 0 35px rgba(201, 168, 108, 0.4);
    animation: cometFall 2.5s ease-in forwards;
    opacity: 0;
}

.comet::before {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background: radial-gradient(circle, rgba(255, 255, 255, 1), rgba(255, 240, 180, 0.8));
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.comet::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, rgba(255, 230, 150, 0.7), rgba(255, 200, 100, 0.5), rgba(201, 168, 108, 0.2), transparent);
    top: 50%;
    right: 100%;
    transform: translateY(-50%);
    border-radius: 50%;
    filter: blur(1.5px);
}

@keyframes cometFall {
    0% { 
        transform: translate(0, 0); 
        opacity: 0; 
    }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { 
        transform: translate(100vw, 90vh); 
        opacity: 0; 
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}

.marquee {
    overflow: hidden;
    max-width: 520px;
    border-radius: 999px;
    background: var(--pw-surface-2);
    border: 1px solid var(--pw-line);
    padding: 8px 0;
}

.marquee-track {
    display: flex;
    gap: 28px;
    animation: marquee 20s linear infinite;
    width: max-content;
}

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

.marquee-item {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    font-size: 0.85rem;
    color: var(--pw-text-dim);
}

.marquee-item .dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--pw-gold);
}

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

.hero-title {
    font-size: clamp(2rem, 6vw, 3.6rem);
    font-weight: 800;
    color: var(--pw-cream);
    line-height: 1.2;
}

.hero-subtitle {
    max-width: 640px;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--pw-text-dim);
}

@media (min-width: 640px) {
    .hero-subtitle {
        font-size: 1.1rem;
    }
}

@media (min-width: 1024px) {
    .hero-subtitle {
        font-size: 1.15rem;
    }
}

/* Intro */
.intro {
    background: var(--pw-black);
}

.intro-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 800px;
}

.intro-text {
    font-size: 1.1rem;
    color: var(--pw-cream);
    line-height: 1.8;
}

@media (min-width: 640px) {
    .intro-text {
        font-size: 1.2rem;
    }
}

@media (min-width: 1024px) {
    .intro-text {
        font-size: 1.35rem;
    }
}

.intro-text.dim {
    color: var(--pw-text-dim);
    font-size: 1rem;
}

@media (min-width: 640px) {
    .intro-text.dim {
        font-size: 1.05rem;
    }
}

@media (min-width: 1024px) {
    .intro-text.dim {
        font-size: 1.1rem;
    }
}

.logo-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    margin-top: 56px;
    align-items: center;
    opacity: 0.35;
}

.logo-item {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--pw-cream);
}

/* AI Section */
.ai-section {
    background: var(--pw-paper);
}

.ai-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}

.ai-steps {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--pw-line);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--pw-gold);
    font-weight: 700;
    font-size: 0.9rem;
}

.step-content h3 {
    color: var(--pw-cream);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--pw-text-dim);
    font-size: 0.95rem;
}

.process-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 320px;
}

.process-orbit {
    position: relative;
    width: 280px;
    height: 280px;
}

.orbit-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: var(--pw-surface-2);
    border: 1px solid var(--pw-line);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.orbit-label {
    color: var(--pw-cream);
    font-weight: 700;
    font-size: 0.85rem;
}

.orbit-node {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--pw-surface-1);
    border: 1px solid var(--pw-line);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pw-gold);
    font-weight: 700;
    transform: translate(-50%, -50%) rotate(var(--angle, 0deg)) translateX(120px) rotate(calc(-1 * var(--angle, 0deg)));
}

.process-steps {
    gap: 20px;
}

/* Portfolio */
.portfolio {
    background: var(--pw-black);
    padding: 80px 0 120px;
    overflow: hidden;
}

.portfolio-stage {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 60px 24px 0;
    border-radius: 32px;
    min-height: 520px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    overflow: hidden;
    isolation: isolate;
}

.portfolio-stage-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(120% 100% at 50% 0%, rgba(51, 65, 85, 0.5) 0%, rgba(30, 41, 59, 0.35) 35%, rgba(139, 107, 59, 0.12) 60%, rgba(5, 5, 7, 0.95) 100%);
    z-index: -2;
}

.portfolio-stage-hills {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 55%;
    pointer-events: none;
    z-index: -1;
}

.portfolio-hill {
    position: absolute;
    bottom: 0;
    left: -10%;
    right: -10%;
    height: 100%;
    border-radius: 100% 100% 0 0 / 80px 80px 0 0;
}

.portfolio-hill-back {
    background: linear-gradient(180deg, rgba(17, 19, 26, 0) 0%, rgba(17, 19, 26, 0.85) 60%, rgba(17, 19, 26, 1) 100%);
    height: 85%;
    transform: translateY(20px);
}

.portfolio-hill-front {
    background: linear-gradient(180deg, rgba(5, 5, 7, 0) 0%, rgba(5, 5, 7, 0.95) 55%, rgba(5, 5, 7, 1) 100%);
    height: 65%;
    transform: translateY(40px);
}

.portfolio-stage-frame {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 820px;
    background: var(--pw-black);
    border: 1px solid var(--pw-line);
    border-radius: 18px 18px 0 0;
    overflow: hidden;
    box-shadow: 0 -40px 100px -40px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 255, 255, 0.06);
    transition: transform 0.6s var(--pw-ease), box-shadow 0.6s var(--pw-ease);
}

.portfolio-stage-frame:hover {
    transform: translateY(-8px);
    box-shadow: 0 -50px 120px -40px rgba(0, 0, 0, 0.95), 0 0 0 1px rgba(201, 168, 108, 0.25);
}

.portfolio-frame-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--pw-line);
    background: var(--pw-surface-solid);
}

.portfolio-frame-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.portfolio-frame-dot.red { background: var(--pw-rose); }
.portfolio-frame-dot.yellow { background: var(--pw-warning); }
.portfolio-frame-dot.green { background: var(--pw-success); }

.portfolio-frame-url {
    margin-right: auto;
    font-size: 0.75rem;
    color: var(--pw-text-dim);
    background: var(--pw-surface-1);
    padding: 4px 12px;
    border-radius: 6px;
    border: 1px solid var(--pw-line);
}

.portfolio-frame-screen {
    position: relative;
    aspect-ratio: 16 / 10;
    background: var(--pw-surface-solid);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-frame-screen img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 12px;
    transition: transform 0.6s var(--pw-ease);
}

.portfolio-stage-frame:hover .portfolio-frame-screen img {
    transform: scale(1.02);
}

/* Features */
.features {
    background: var(--pw-black);
}

.features-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 40px;
}

.tab-btn {
    padding: 10px 24px;
    border-radius: 999px;
    background: var(--pw-surface-1);
    border: 1px solid var(--pw-line);
    color: var(--pw-text-dim);
    font-size: 0.92rem;
    transition: all 0.4s var(--pw-ease);
}

.tab-btn.active, .tab-btn:hover {
    background: var(--pw-surface-2);
    color: var(--pw-cream);
    border-color: var(--pw-line-strong);
}

.tab-btn.active {
    background: var(--pw-gold);
    color: var(--pw-black);
    border-color: var(--pw-gold);
}

.features-stage {
    position: relative;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.6s var(--pw-ease);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.stage-card {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    background: var(--pw-surface-1);
    border: 1px solid var(--pw-line);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.stage-visual {
    min-height: 240px;
    background: var(--pw-surface-solid);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.stage-info h3 {
    color: var(--pw-cream);
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.stage-info p {
    color: var(--pw-text-dim);
    margin-bottom: 16px;
}

.stage-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.stage-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--pw-text);
}

.stage-list li::before {
    content: '';
    width: 18px;
    height: 18px;
    border-radius: 50%;
    flex-shrink: 0;
    background: rgba(74, 222, 128, 0.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234ade80' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E") center/12px no-repeat;
}

.stage-controls {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    justify-content: center;
}

/* Service previews */
.website-preview {
    width: 90%;
    max-width: 320px;
    background: var(--pw-black);
    border: 1px solid var(--pw-line);
    border-radius: 12px;
    overflow: hidden;
}

.browser-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--pw-line);
}

.browser-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--pw-line-strong);
}

.browser-dot:first-child { background: var(--pw-rose); }
.browser-dot:nth-child(2) { background: var(--pw-warning); }
.browser-dot:nth-child(3) { background: var(--pw-success); }

.browser-address {
    flex: 1;
    height: 18px;
    border-radius: 4px;
    background: var(--pw-surface-1);
    margin-right: 8px;
}

.browser-body {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.web-hero {
    height: 60px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--pw-slate) 0%, var(--pw-gold-deep) 100%);
}

.web-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.web-card {
    height: 50px;
    border-radius: 6px;
    background: var(--pw-surface-2);
}

.webapp-preview {
    width: 92%;
    max-width: 360px;
    display: grid;
    grid-template-columns: 70px 1fr;
    background: linear-gradient(135deg, rgba(17, 19, 26, 0.9) 0%, rgba(24, 35, 58, 0.95) 100%);
    border: 2px solid rgba(45, 212, 191, 0.15);
    border-radius: 16px;
    overflow: hidden;
    min-height: 200px;
    box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8);
    transform: rotateX(5deg) scale(1.02);
    transition: transform 0.6s var(--pw-ease);
}

.webapp-preview:hover {
    transform: rotateX(0deg) scale(1.05);
}

.webapp-sidebar {
    padding: 14px;
    border-left: 1px solid var(--pw-line);
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.webapp-logo {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--pw-gold);
    margin-bottom: 8px;
}

.webapp-nav-item {
    width: 28px;
    height: 6px;
    border-radius: 3px;
    background: var(--pw-surface-2);
}

.webapp-nav-item.active {
    background: var(--pw-gold);
}

.webapp-content {
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.webapp-header {
    height: 28px;
    border-radius: 6px;
    background: var(--pw-surface-2);
}

.webapp-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.webapp-stat {
    height: 40px;
    border-radius: 6px;
    background: var(--pw-surface-1);
}

.webapp-chart {
    flex: 1;
    min-height: 50px;
    border-radius: 6px;
    background: linear-gradient(180deg, var(--pw-gold) 0%, transparent 100%);
    opacity: 0.25;
}

.mobile-preview {
    display: flex;
    justify-content: center;
}

.mobile-frame {
    width: 140px;
    height: 260px;
    background: var(--pw-surface-solid);
    border: 1px solid var(--pw-line);
    border-radius: 24px;
    padding: 8px;
}

.mobile-screen {
    background: var(--pw-black);
    border-radius: 18px;
    height: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px;
}

.mobile-header {
    height: 24px;
    border-radius: 6px;
    background: var(--pw-surface-2);
}

.mobile-card {
    height: 60px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--pw-slate) 0%, var(--pw-gold-deep) 100%);
}

.mobile-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mobile-list-item {
    height: 24px;
    border-radius: 4px;
    background: var(--pw-surface-1);
}

.mobile-tabbar {
    margin-top: auto;
    display: flex;
    justify-content: space-around;
    padding-top: 6px;
    border-top: 1px solid var(--pw-line);
}

.mobile-tab {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: var(--pw-surface-2);
}

.mobile-tab.active {
    background: var(--pw-gold);
}

.windows-preview {
    width: 90%;
    max-width: 340px;
}

.win-window {
    background: var(--pw-black);
    border: 1px solid var(--pw-line);
    border-radius: 10px;
    overflow: hidden;
}

.win-titlebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-bottom: 1px solid var(--pw-line);
}

.win-title {
    width: 80px;
    height: 10px;
    border-radius: 3px;
    background: var(--pw-surface-2);
}

.win-buttons {
    display: flex;
    gap: 4px;
}

.win-buttons span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--pw-line-strong);
}

.win-buttons span:first-child { background: var(--pw-rose); }
.win-buttons span:nth-child(2) { background: var(--pw-warning); }
.win-buttons span:nth-child(3) { background: var(--pw-success); }

.win-body {
    display: grid;
    grid-template-columns: 80px 1fr;
    min-height: 140px;
}

.win-sidebar {
    padding: 12px;
    border-left: 1px solid var(--pw-line);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.win-menu-item {
    height: 8px;
    border-radius: 2px;
    background: var(--pw-surface-2);
}

.win-menu-item.active {
    background: var(--pw-gold);
}

.win-main {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.win-toolbar {
    height: 20px;
    border-radius: 4px;
    background: var(--pw-surface-2);
}

.win-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.win-cell {
    height: 36px;
    border-radius: 4px;
    background: var(--pw-surface-1);
}

.brand-preview {
    width: 90%;
    max-width: 340px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 16px;
    min-height: 200px;
}

.brand-card {
    background: var(--pw-black);
    border: 1px solid var(--pw-line);
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--pw-text-dim);
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.logo-card {
    grid-row: 1 / 3;
    background: linear-gradient(135deg, var(--pw-surface-solid) 0%, rgba(201, 168, 108, 0.15) 100%);
}

.brand-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--pw-gold);
    color: var(--pw-black);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
}

.banner-card {
    background: linear-gradient(135deg, var(--pw-surface-solid) 0%, rgba(45, 212, 191, 0.15) 100%);
}

.cover-card {
    background: linear-gradient(135deg, var(--pw-surface-solid) 0%, rgba(217, 119, 127, 0.15) 100%);
}

/* Why */
.why {
    background: var(--pw-paper);
}

.why-carousel-wrap {
    position: relative;
}

.why-carousel {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 24px;
    scrollbar-width: none;
}

.why-carousel::-webkit-scrollbar {
    display: none;
}

.why-card {
    flex: 0 0 280px;
    scroll-snap-align: start;
    background: var(--pw-surface-1);
    border: 1px solid var(--pw-line);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.4s var(--pw-ease);
}

.why-card:hover {
    background: var(--pw-surface-2);
    transform: translateY(-6px);
}

.why-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--pw-surface-3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pw-gold);
    margin-bottom: 20px;
}

.why-card h3 {
    color: var(--pw-cream);
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.why-card p {
    color: var(--pw-text-dim);
    font-size: 0.92rem;
}

.carousel-controls {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    justify-content: center;
}

.carousel-progress {
    height: 3px;
    background: var(--pw-surface-2);
    border-radius: 3px;
    margin-top: 24px;
    overflow: hidden;
}

.carousel-progress-bar {
    height: 100%;
    width: 25%;
    background: var(--pw-gold);
    border-radius: 3px;
    transition: transform 0.6s var(--pw-ease);
}

/* About */
.about {
    background: var(--pw-black);
}

.about-cards {
    display: flex;
    flex-direction: column;
    gap: 48px;
    position: relative;
    z-index: 1;
}

.about-card {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    background: var(--pw-surface-1);
    border: 1px solid var(--pw-line);
    border-radius: var(--radius-lg);
    padding: 48px;
    transition: background 0.4s var(--pw-ease), border-color 0.4s var(--pw-ease);
}

.about-card:nth-child(1) { z-index: 1; }
.about-card:nth-child(2) { z-index: 2; }
.about-card:nth-child(3) { z-index: 3; }

.about-card-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-number {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--pw-gold);
}

.about-card-content h3 {
    color: var(--pw-cream);
    font-size: 1.6rem;
}

.about-card-content p {
    color: var(--pw-text-dim);
}

.about-card-visual {
    min-height: 240px;
}

.about-visual {
    width: 100%;
    height: 100%;
    min-height: 240px;
    border-radius: var(--radius-md);
    background: var(--pw-surface-solid);
}

.about-mission {
    background: linear-gradient(135deg, rgba(201, 168, 108, 0.2) 0%, rgba(30, 41, 59, 0.5) 100%);
}

.about-vision {
    background: linear-gradient(135deg, rgba(45, 212, 191, 0.15) 0%, rgba(30, 41, 59, 0.5) 100%);
}

.about-values {
    background: linear-gradient(135deg, rgba(217, 119, 127, 0.2) 0%, rgba(30, 41, 59, 0.5) 100%);
}

/* Integrations */
.integrations {
    background: var(--pw-paper);
}

.integrations-diagram {
    position: relative;
    max-width: 600px;
    margin: 0 auto 48px;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.arc-svg {
    width: 100%;
    height: auto;
}

.integration-center {
    position: absolute;
    top: 75%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--pw-surface-2);
    border: 1px solid var(--pw-line);
    display: flex;
    align-items: center;
    justify-content: center;
}

.integration-center .brand-logo {
    width: 32px;
    height: 32px;
}

.integration-label {
    position: absolute;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--pw-surface-1);
    border: 1px solid var(--pw-line);
    color: var(--pw-text-dim);
    font-size: 0.8rem;
}

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

.integration-card {
    background: var(--pw-surface-1);
    border: 1px solid var(--pw-line);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all 0.4s var(--pw-ease);
}

.integration-card:hover {
    background: var(--pw-surface-2);
    transform: translateY(-4px);
}

.integration-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--pw-surface-3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pw-gold);
    font-weight: 700;
    font-size: 0.75rem;
    margin-bottom: 16px;
}

.integration-card h3 {
    color: var(--pw-cream);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.integration-card p {
    color: var(--pw-text-dim);
    font-size: 0.9rem;
}

/* FAQ */
.faq {
    background: var(--pw-paper);
}

.faq-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.faq-sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-sidebar .section-title {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
}

.faq-contact-card {
    background: var(--pw-surface-1);
    border: 1px solid var(--pw-line);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-top: 24px;
}

.faq-contact-card h3 {
    color: var(--pw-cream);
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.faq-contact-card p {
    color: var(--pw-text-dim);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--pw-surface-1);
    border: 1px solid var(--pw-line);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.4s var(--pw-ease);
}

.faq-item:hover {
    border-color: var(--pw-line-strong);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 24px;
    text-align: right;
    color: var(--pw-cream);
    font-size: 1rem;
    font-weight: 600;
}

.faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--pw-line);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.4s var(--pw-ease);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--pw-ease);
}

.faq-answer p {
    padding: 0 24px 24px;
    color: var(--pw-text-dim);
    font-size: 0.95rem;
}

/* CTA */
.cta {
    background: var(--pw-black);
    position: relative;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, var(--pw-black) 0%, var(--pw-paper) 30%, var(--pw-surface-2) 70%, rgba(217, 119, 127, 0.15) 100%);
    z-index: -1;
}

.cta-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}

.cta-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 520px;
    margin: 0 auto;
    text-align: center;
}

.cta-content p {
    color: var(--pw-text-dim);
    max-width: 480px;
}

.cta-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 420px;
    margin: 0 auto;
}

.cta-input {
    padding: 18px 24px;
    min-height: 56px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(201, 168, 108, 0.3);
    color: var(--pw-cream);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.2);
}

.cta-input:focus {
    background: var(--pw-surface-2);
    border-color: var(--pw-gold);
    box-shadow: 0 0 12px rgba(201, 168, 108, 0.2);
}

.cta-input::placeholder {
    color: var(--pw-text-dim);
}

.cta-trust {
    display: flex;
    gap: 20px;
    margin-top: 8px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--pw-text-dim);
    font-size: 0.85rem;
}

.trust-item svg {
    color: var(--pw-success);
}

.cta-mockup {
    display: flex;
    justify-content: center;
}

.cta-glass {
    width: 100%;
    max-width: 360px;
    background: linear-gradient(135deg, rgba(17, 19, 26, 0.85) 0%, rgba(24, 35, 58, 0.95) 100%);
    border: 2px solid rgba(201, 168, 108, 0.2);
    border-radius: 24px;
    backdrop-filter: blur(32px);
    box-shadow: 0 40px 100px -40px rgba(0, 0, 0, 0.8), 0 0 8px rgba(201, 168, 108, 0.2);
    padding: 32px;
    transform: perspective(800px) rotateX(10deg) scale(1.02);
    transition: all 0.6s var(--pw-ease);
}

.cta-glass:hover {
    transform: perspective(800px) rotateX(5deg) scale(1.05);
    box-shadow: 0 60px 150px -50px rgba(0, 0, 0, 0.9), 0 0 12px rgba(201, 168, 108, 0.3);
}

.cta-textarea {
    border-radius: 18px;
    min-height: 140px;
    resize: vertical;
    line-height: 1.7;
    padding: 18px 20px;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
    padding: 32px;
}

.contact-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.contact-brand-logo {
    width: 56px;
    height: 56px;
    color: var(--pw-cream);
}

.contact-brand h3 {
    color: var(--pw-cream);
    font-size: 1.5rem;
    font-weight: 700;
}

.contact-intro {
    color: var(--pw-text-dim);
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 280px;
}

.contact-features {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 12px;
    background: var(--pw-surface-1);
    border: 1px solid var(--pw-line);
    color: var(--pw-text);
    font-size: 0.9rem;
    text-align: right;
}

.contact-feature svg {
    color: var(--pw-gold);
    flex-shrink: 0;
}

.contact-social {
    display: flex;
    gap: 10px;
}

/* Footer */
.footer {
    background: var(--pw-black);
    border-top: 1px solid var(--pw-line);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--pw-text-dim);
    font-size: 0.9rem;
    margin: 16px 0 24px;
    max-width: 280px;
}

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--pw-surface-2);
    border: 1px solid var(--pw-line);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--pw-text-dim);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--pw-surface-3);
    color: var(--pw-cream);
    border-color: var(--pw-line-strong);
}

.footer-links h4 {
    color: var(--pw-cream);
    font-size: 1rem;
    margin-bottom: 20px;
}

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

.footer-links a {
    color: var(--pw-text-dim);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 24px;
    border-top: 1px solid var(--pw-line);
    color: var(--pw-text-dim);
    font-size: 0.85rem;
}

/* Responsive */
@media (min-width: 640px) {
    .section-header.split {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-end;
    }

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

    .portfolio-stage {
        padding-top: 80px;
        min-height: 600px;
    }

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

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

    .cta-layout {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 768px) {
    .about-card {
        grid-template-columns: 1fr 1fr;
    }

    .faq-layout {
        grid-template-columns: 320px 1fr;
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .nav-desktop {
        display: flex;
    }

    .menu-toggle {
        display: none;
    }

    .stage-card {
        grid-template-columns: 1fr 1fr;
    }

    .portfolio-stage {
        min-height: 680px;
        padding-top: 100px;
    }

    .portfolio-stage-frame {
        max-width: 860px;
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* Mobile optimizations */
@media (max-width: 640px) {
    .section-header {
        margin-bottom: 40px;
    }

    .features-tabs {
        gap: 8px;
    }

    .tab-btn {
        font-size: 0.85rem;
        padding: 8px 16px;
    }

    .why-card {
        flex: 0 0 260px;
    }

    .about-card {
        padding: 28px;
    }
}

@media (max-width: 480px) {
    .cta-form {
        gap: 10px;
    }

    .trust-item {
        font-size: 0.8rem;
    }
}

@media (max-width: 380px) {
    .hero-title {
        font-size: 1.9rem;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .btn {
        padding: 12px 20px;
        font-size: 0.95rem;
    }

    .btn-lg {
        padding: 14px 28px;
        font-size: 1rem;
    }
}

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

    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* Scroll to top */
.scroll-top {
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--pw-surface-2);
    border: 1px solid var(--pw-line);
    color: var(--pw-cream);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.4s var(--pw-ease), transform 0.4s var(--pw-ease), background 0.3s ease, border-color 0.3s ease;
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
}

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

.scroll-top:hover {
    background: var(--pw-gold);
    color: var(--pw-black);
    border-color: var(--pw-gold);
    transform: translateY(-3px);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 50%;
    transform: translate(50%, 100px);
    background: var(--pw-surface-raised);
    border: 1px solid var(--pw-gold);
    color: var(--pw-cream);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s var(--pw-ease), transform 0.5s var(--pw-ease), visibility 0.5s;
    box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(201, 168, 108, 0.15);
    backdrop-filter: blur(20px);
    max-width: min(90vw, 420px);
    display: flex;
    align-items: center;
    gap: 12px;
}

.toast::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--pw-success);
    flex-shrink: 0;
    box-shadow: 0 0 8px var(--pw-success);
}

.toast.visible {
    opacity: 1;
    visibility: visible;
    transform: translate(50%, 0);
}

.toast.error {
    border-color: var(--pw-danger);
}

.toast.error::before {
    background: var(--pw-danger);
    box-shadow: 0 0 8px var(--pw-danger);
}

/* Honeypot (مخفی از کاربر واقعی) */
.honeypot {
    position: absolute;
    left: -9999px;
    top: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

.honeypot input {
    width: 1px;
    height: 1px;
}

/* Submit button loading state */
#contactSubmit {
    position: relative;
    transition: opacity 0.3s ease, transform 0.3s var(--pw-ease);
}

#contactSubmit .btn-loading {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

#contactSubmit.loading {
    pointer-events: none;
    opacity: 0.85;
}

#contactSubmit.loading .btn-label {
    opacity: 0.4;
}

#contactSubmit.loading .btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
}

#contactSubmit .spinner {
    animation: spin 0.8s linear infinite;
    transform-origin: 50% 50%;
}

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

/* ===== Loading Screen ===== */
.loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--pw-black);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s var(--pw-ease), visibility 0.6s;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    width: 200px;
}

.loader-logo {
    width: 40px;
    height: 40px;
    color: var(--pw-cream);
}

.loader-bar-1 {
    transform-origin: bottom;
    animation: loaderBar 1.4s ease-in-out infinite;
}

.loader-bar-2 {
    transform-origin: bottom;
    animation: loaderBar 1.4s ease-in-out infinite;
    animation-delay: 0.2s;
}

.loader-dot-1 {
    animation: loaderDot 1.4s ease-in-out infinite;
}

.loader-dot-2 {
    animation: loaderDot 1.4s ease-in-out infinite;
    animation-delay: 0.2s;
}

@keyframes loaderBar {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.4); opacity: 0.5; }
}

@keyframes loaderDot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.loader-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.loader-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--pw-cream);
    letter-spacing: 1px;
}

.loader-status {
    font-size: 0.7rem;
    color: var(--pw-gold);
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

.loader-progress {
    width: 100%;
    height: 2px;
    background: var(--pw-surface-2);
    border-radius: 2px;
    overflow: hidden;
}

.loader-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--pw-gold), var(--pw-rose));
    border-radius: 2px;
    transition: width 0.1s ease;
}

/* ===== Scroll Progress Bar ===== */
.scroll-progress {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 2px;
    z-index: 1100;
    transform: scaleX(0);
    transform-origin: right;
    background: linear-gradient(90deg, var(--pw-gold), var(--pw-rose), var(--pw-teal));
    transition: transform 0.1s ease;
}

/* ===== Noise Overlay (حس سینمایی) ===== */
.noise-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    pointer-events: none;
    opacity: 0.04;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 256 256'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='256' height='256' filter='url(%23n)' opacity='0.8'/%3E%3C/svg%3E");
}

/* ===== Custom Cursor ===== */
.cursor-dot,
.cursor-ring {
    position: fixed;
    top: 0;
    left: 0;
    border-radius: 50%;
    pointer-events: none;
    z-index: 3000;
    transform: translate(-50%, -50%);
    transition: opacity 0.2s ease;
}

.cursor-dot {
    width: 7px;
    height: 7px;
    background: var(--pw-gold);
    box-shadow: 0 0 12px var(--pw-gold);
}

.cursor-ring {
    width: 36px;
    height: 36px;
    border: 1.5px solid var(--pw-gold);
    opacity: 0.5;
    transition: width 0.25s var(--pw-ease), height 0.25s var(--pw-ease), opacity 0.25s ease, background 0.25s ease;
}

.cursor-ring.active {
    width: 56px;
    height: 56px;
    opacity: 0.7;
    background: rgba(201, 168, 108, 0.15);
    border-color: var(--pw-gold);
}

@media (hover: none), (max-width: 1023px) {
    .cursor-dot, .cursor-ring { display: none !important; }
}

/* ===== Character counter ===== */
.char-count {
    display: block;
    text-align: left;
    font-size: 0.7rem;
    color: var(--pw-text-faint);
    margin-top: 6px;
    font-variant-numeric: tabular-nums;
}

.char-count.warn {
    color: var(--pw-warning);
}

/* ===== Music toggle ===== */
.music-toggle {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--pw-surface-2);
    border: 1px solid var(--pw-line);
    color: var(--pw-text-dim);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 900;
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
    transition: all 0.3s ease;
}

.music-toggle:hover {
    background: var(--pw-surface-3);
    color: var(--pw-cream);
    border-color: var(--pw-line-strong);
    transform: translateY(-2px);
}

.music-toggle.playing {
    color: var(--pw-gold);
    border-color: var(--pw-gold);
    box-shadow: 0 0 20px rgba(201, 168, 108, 0.35);
}

.music-icon-off { display: block; }
.music-icon-on { display: none; }
.music-slash { display: block; }

.music-toggle.playing .music-icon-off { display: none; }
.music-toggle.playing .music-icon-on { display: block; }

.music-waves {
    display: inline-flex;
    align-items: flex-end;
    gap: 3px;
    margin-left: 4px;
    height: 16px;
    display: none;
}

.music-toggle.playing .music-waves {
    display: inline-flex;
}

.music-waves span {
    display: block;
    width: 3px;
    background: var(--pw-gold);
    border-radius: 3px;
    animation: wave 0.9s ease-in-out infinite;
}

.music-waves span:nth-child(1) { height: 8px; animation-delay: 0s; }
.music-waves span:nth-child(2) { height: 14px; animation-delay: 0.15s; }
.music-waves span:nth-child(3) { height: 10px; animation-delay: 0.3s; }

@keyframes wave {
    0%, 100% { transform: scaleY(0.4); }
    50% { transform: scaleY(1); }
}