/* ============================================================
           DESIGN TOKENS
           ============================================================ */
:root {
    color-scheme: dark;

    /* Brand */
    --color-primary: #0B0D10;
    --color-secondary: #15191F;

    /* Accent */
    --color-accent: #5B8CFF;
    --color-accent-hover: #78A3FF;
    --color-accent-dark: #315FCC;
    --color-on-accent: #0B0D10;

    /* Background */
    --color-bg: #0B0D10;
    --color-bg-secondary: #11151A;
    --color-bg-tertiary: #15191F;

    /* Light Background */
    --color-light-bg: #F7F8FA;
    --color-light-bg-secondary: #EEF1F5;

    /* Text */
    --color-heading: #F7F8FA;
    --color-body: #C4CAD3;
    --color-caption: #8B94A3;
    --color-dark-heading: #0B0D10;

    /* Border */
    --color-border: #262C35;
    --color-header-surface: rgba(11, 13, 16, 0.92);
    --color-progress-track: rgba(91, 140, 255, 0.16);
    --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.22);

    /* Status */
    --color-success: #22C55E;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-info: #38BDF8;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-pill: 999px;

    /* Container */
    --container-width: 1200px;

    /* Typography */
    --font-primary: 'Vazirmatn', sans-serif;
    --font-english: 'Inter', sans-serif;

    /* Spacing */
    --space-4: 4px;
    --space-6: 6px;
    --space-8: 8px;
    --space-12: 12px;
    --space-16: 16px;
    --space-20: 20px;
    --space-24: 24px;
    --space-32: 32px;
    --space-40: 40px;
    --space-48: 48px;
    --space-64: 64px;
    --space-80: 80px;
    --space-96: 96px;
    --space-120: 120px;
}

html[data-theme="light"] {
    color-scheme: light;
    --color-primary: #F7F8FA;
    --color-secondary: #FFFFFF;
    --color-accent: #3A68D0;
    --color-accent-hover: #315FCC;
    --color-accent-dark: #244AA7;
    --color-on-accent: #FFFFFF;
    --color-bg: #F7F8FA;
    --color-bg-secondary: #FFFFFF;
    --color-bg-tertiary: #EEF1F5;
    --color-heading: #0B0D10;
    --color-body: #334155;
    --color-caption: #526073;
    --color-dark-heading: #0B0D10;
    --color-border: #D6DEE8;
    --color-header-surface: rgba(247, 248, 250, 0.92);
    --color-progress-track: rgba(58, 104, 208, 0.14);
    --shadow-card: 0 12px 40px rgba(15, 23, 42, 0.12);
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-body);
    transition: background-color 220ms ease, color 220ms ease;
    line-height: 1.9;
    font-size: 16px;
    font-weight: 400;
    direction: rtl;
}

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

ul {
    list-style: none;
    padding: 0;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 32px;
}

/* ============================================================
           TYPOGRAPHY
           ============================================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-primary);
    color: var(--color-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(38px, 7vw, 64px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
}

h2 {
    font-size: clamp(30px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.8px;
}

h3 {
    font-size: clamp(22px, 2.5vw, 28px);
    font-weight: 700;
    line-height: 1.35;
}

h4 {
    font-size: clamp(18px, 1.8vw, 20px);
    font-weight: 700;
    line-height: 1.5;
}

.body-large {
    font-size: 18px;
    line-height: 1.9;
}

.caption {
    font-size: 13px;
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-caption);
}

.text-accent {
    color: var(--color-accent);
}

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

/* ============================================================
           BUTTONS
           ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 700;
    height: 52px;
    padding: 0 24px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: background 300ms cubic-bezier(0.2, 0.8, 0.2, 1),
        transform 300ms cubic-bezier(0.2, 0.8, 0.2, 1),
        border-color 300ms cubic-bezier(0.2, 0.8, 0.2, 1),
        box-shadow 300ms cubic-bezier(0.2, 0.8, 0.2, 1);
    position: relative;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-on-accent);
    box-shadow: 0 0 40px rgba(91, 140, 255, 0.12);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(91, 140, 255, 0.2);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-heading);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-sm {
    height: 40px;
    padding: 0 18px;
    font-size: 14px;
    border-radius: var(--radius-sm);
}

.btn-pill {
    border-radius: var(--radius-pill);
}

/* ============================================================
           HEADER / NAVIGATION
           ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: background 350ms ease, border-color 350ms ease;
    background: transparent;
    border-bottom: 1px solid transparent;
}

.site-header.scrolled {
    background: var(--color-header-surface);
    backdrop-filter: blur(12px);
    border-bottom-color: var(--color-border);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.logo {
    font-family: var(--font-primary);
    font-size: 22px;
    font-weight: 800;
    color: var(--color-heading);
    letter-spacing: -0.5px;
    cursor: pointer;
    transition: color 150ms ease;
}

.logo:hover {
    color: var(--color-accent);
}

.logo span {
    color: var(--color-accent);
}

.nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--space-32);
}

.nav-desktop a {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-body);
    transition: color 150ms ease;
    position: relative;
}

.nav-desktop a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    right: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 250ms ease;
}

.nav-desktop a:hover {
    color: var(--color-heading);
}

.nav-desktop a:hover::after {
    width: 100%;
}

.nav-desktop .btn {
    margin-right: var(--space-8);
}



.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-12);
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    background: var(--color-bg-secondary);
    color: var(--color-heading);
    cursor: pointer;
    transition: background-color 220ms ease, border-color 220ms ease, color 220ms ease, transform 220ms ease;
}

.theme-toggle:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-1px);
}

.theme-icon {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.theme-icon-moon {
    display: none;
}

html[data-theme="light"] .theme-icon-sun {
    display: none;
}

html[data-theme="light"] .theme-icon-moon {
    display: block;
}

.scroll-progress {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1100;
    height: 3px;
    background: var(--color-progress-track);
    pointer-events: none;
}

.scroll-progress-bar {
    display: block;
    width: 100%;
    height: 100%;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: right center;
    will-change: transform;
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    padding: 4px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: var(--color-heading);
    border-radius: 2px;
    transition: all 300ms ease;
    transform-origin: center;
}

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

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

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

/* Mobile Drawer */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 360px;
    background: var(--color-bg-secondary);
    padding: 80px 32px 32px;
    transform: translateX(100%);
    transition: transform 350ms cubic-bezier(0.2, 0.8, 0.2, 1);
    z-index: 999;
    overflow-y: auto;
    border-right: 1px solid var(--color-border);
}

.mobile-drawer.open {
    transform: translateX(0);
}

.mobile-drawer nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-24);
}

.mobile-drawer nav a {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-heading);
    transition: color 150ms ease;
}

.mobile-drawer nav a:hover {
    color: var(--color-accent);
}

.mobile-drawer .btn {
    margin-top: var(--space-16);
    width: 100%;
}

.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 350ms ease;
}

.drawer-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* ============================================================
           PAGE SECTIONS
           ============================================================ */
.page-section {
    padding-top: 88px;
    min-height: 100vh;
}

.section-padding {
    padding: var(--space-80) 0;
}

.section-padding-sm {
    padding: var(--space-48) 0;
}

.section-divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 0;
}

/* ============================================================
           HERO
           ============================================================ */
.hero {
    padding: var(--space-120) 0 var(--space-80);
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-48);
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-24);
}

.hero-content .badge {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(91, 140, 255, 0.12);
    padding: 4px 16px;
    border-radius: var(--radius-pill);
    width: fit-content;
    letter-spacing: 0.3px;
}

.hero-content h1 {
    margin-bottom: var(--space-8);
}

.hero-content p {
    font-size: 18px;
    line-height: 1.9;
    color: var(--color-body);
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: var(--space-16);
    flex-wrap: wrap;
    margin-top: var(--space-8);
}

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

.hero-grid-pattern {
    width: 100%;
    aspect-ratio: 1 / 0.9;
    background-image:
        linear-gradient(rgba(91, 140, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(91, 140, 255, 0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-grid-pattern .accent-line-v,
.hero-grid-pattern .accent-line-h {
    position: absolute;
    background: rgba(91, 140, 255, 0.15);
}

.hero-grid-pattern .accent-line-v {
    width: 2px;
    height: 60%;
    top: 20%;
    right: 35%;
}

.hero-grid-pattern .accent-line-h {
    height: 2px;
    width: 60%;
    top: 35%;
    right: 20%;
}

.hero-grid-pattern .center-glow {
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(91, 140, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-grid-pattern .v-craft-mark {
    position: absolute;
    font-family: var(--font-english);
    font-size: 80px;
    font-weight: 800;
    color: rgba(91, 140, 255, 0.06);
    letter-spacing: -4px;
}

/* ============================================================
           TRUST / EXPERTISE
           ============================================================ */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-32);
    text-align: center;
}

.trust-item .trust-title {
    color: var(--color-heading);
    margin-bottom: var(--space-4);
    font-size: clamp(18px, 1.8vw, 20px);
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: -0.02em;
}

.trust-item .caption {
    font-size: 14px;
}

/* ============================================================
           FEATURED PROJECTS
           ============================================================ */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-32);
}

.project-card {
    margin: 0 30px;
    display: block;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 300ms cubic-bezier(0.2, 0.8, 0.2, 1),
        border-color 300ms cubic-bezier(0.2, 0.8, 0.2, 1),
        box-shadow 300ms cubic-bezier(0.2, 0.8, 0.2, 1);
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-card);
}

.project-card .project-image {
    aspect-ratio: 16 / 10;
    background: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.project-card .project-image .placeholder {
    font-size: 14px;
    color: var(--color-caption);
    font-weight: 600;
}

.project-card .project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 300ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.project-card:hover .project-image img {
    transform: scale(1.03);
}

.project-card .project-body {
    padding: var(--space-24);
}

.project-card .project-body .project-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(91, 140, 255, 0.1);
    padding: 2px 12px;
    border-radius: var(--radius-pill);
    margin-bottom: var(--space-8);
}

.project-card .project-body h3 {
    margin-bottom: var(--space-4);
    font-size: clamp(18px, 1.8vw, 20px);
    line-height: 1.5;
}

.project-card-link {
    display: block;
    height: 100%;
    color: inherit;
}

.project-card .project-body p {
    font-size: 14px;
    color: var(--color-caption);
    margin-bottom: var(--space-12);
}

.project-card .project-body .project-meta {
    display: flex;
    gap: var(--space-16);
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--color-caption);
}

.project-card .project-body .project-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.project-card .project-body .project-meta .dot {
    display: inline-block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-caption);
}

.project-card .project-body .btn {
    margin-top: var(--space-16);
}

/* ============================================================
           SERVICES PREVIEW
           ============================================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-24);
}

.service-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-24);
    transition: border-color 300ms ease, transform 300ms ease;
}

.service-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.service-card .icon {
    font-size: 28px;
    margin-bottom: var(--space-12);
    display: block;
}

.service-card h3 {
    margin-bottom: var(--space-8);
    font-size: clamp(18px, 1.8vw, 20px);
    line-height: 1.5;
}

.service-card p {
    font-size: 14px;
    color: var(--color-caption);
    line-height: 1.7;
}

/* ============================================================
           WHY VIRACRAFT
           ============================================================ */
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-32);
}

.why-item {
    text-align: center;
    padding: var(--space-24);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: border-color 300ms ease;
}

.why-item:hover {
    border-color: var(--color-accent);
}

.why-item .num {
    font-family: var(--font-english);
    font-size: 32px;
    font-weight: 800;
    color: var(--color-accent);
    display: block;
    margin-bottom: var(--space-12);
}

.why-item h3 {
    margin-bottom: var(--space-8);
    font-size: clamp(18px, 1.8vw, 20px);
    line-height: 1.5;
}

.why-item p {
    font-size: 14px;
    color: var(--color-caption);
    line-height: 1.7;
}

/* ============================================================
           PROCESS
           ============================================================ */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
    max-width: 700px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    align-items: center;
    gap: var(--space-24);
    padding: var(--space-16) var(--space-24);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: border-color 300ms ease;
}

.process-step:hover {
    border-color: var(--color-accent);
}

.process-step .step-num {
    font-family: var(--font-english);
    font-size: 18px;
    font-weight: 800;
    color: var(--color-accent);
    min-width: 48px;
}

.process-step .step-content h3 {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 2px;
}

.process-step .step-content p {
    font-size: 14px;
    color: var(--color-caption);
}

/* ============================================================
           CTA SECTION
           ============================================================ */
.cta-section {
    text-align: center;
    padding: var(--space-80) 0;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.cta-section h2 {
    margin-bottom: var(--space-16);
}

.cta-section p {
    max-width: 560px;
    margin: 0 auto var(--space-24);
    color: var(--color-body);
}

.cta-section .btn-group {
    display: flex;
    gap: var(--space-16);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================================
           FOOTER
           ============================================================ */
.site-footer {
    padding: var(--space-48) 0 var(--space-32);
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-48);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-40);
    margin-bottom: var(--space-40);
}

.footer-brand .logo {
    font-size: 20px;
    display: inline-block;
    margin-bottom: var(--space-12);
}

.footer-brand p {
    font-size: 14px;
    color: var(--color-caption);
    max-width: 260px;
    line-height: 1.8;
}

.footer-col .footer-heading {
    color: var(--color-heading);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-12);
}

.footer-col a {
    display: block;
    font-size: 14px;
    color: var(--color-caption);
    padding: 4px 0;
    transition: color 150ms ease;
}

.footer-col a:hover {
    color: var(--color-heading);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-24);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-16);
    font-size: 13px;
    color: var(--color-caption);
}

.footer-socials {
    display: flex;
    gap: var(--space-16);
}

.footer-socials a,
.footer-socials .social-link-placeholder {
    color: var(--color-caption);
    transition: color 150ms ease;
    font-size: 14px;
}

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

/* ============================================================
           PORTFOLIO PAGE
           ============================================================ */
.portfolio-hero {
    padding: var(--space-80) 0 var(--space-48);
}

.portfolio-hero h1 {
    margin-bottom: var(--space-8);
}

.portfolio-filters {
    display: flex;
    gap: var(--space-12);
    flex-wrap: wrap;
    margin: var(--space-24) 0 var(--space-32);
    justify-content: center;
}

.portfolio-filters button {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-body);
    min-height: 44px;
    padding: 6px 20px;
    border-radius: var(--radius-pill);
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 250ms ease;
}

.portfolio-filters button:hover,
.portfolio-filters button.active {
    border-color: var(--color-accent);
    color: var(--color-heading);
    background: rgba(91, 140, 255, 0.08);
}

.portfolio-filters button.active {
    background: rgba(91, 140, 255, 0.15);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ============================================================
           CASE STUDY PAGE
           ============================================================ */
.case-hero {
    padding: var(--space-80) 0 var(--space-48);
}

.case-hero .case-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-24);
    margin: var(--space-16) 0 var(--space-24);
    font-size: 14px;
    color: var(--color-caption);
}

.case-hero .case-meta span strong {
    color: var(--color-heading);
    font-weight: 600;
}

.case-body {
    max-width: 820px;
    margin: 0 auto;
}

.case-body section {
    margin-bottom: var(--space-48);
}

.case-body section h3 {
    margin-bottom: var(--space-12);
}

.case-body section p {
    color: var(--color-body);
    margin-bottom: var(--space-12);
}

.case-body section ul {
    list-style: disc;
    padding-right: var(--space-24);
    color: var(--color-body);
}

.case-body section ul li {
    margin-bottom: var(--space-4);
}

.case-image-placeholder {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-caption);
    font-size: 14px;
    margin: var(--space-16) 0;
}

/* ============================================================
           SERVICES PAGE
           ============================================================ */
.services-hero {
    padding: var(--space-80) 0 var(--space-48);
}

.services-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-32);
}

.service-detail-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-24);
    transition: border-color 300ms ease;
}

.service-detail-card:hover {
    border-color: var(--color-accent);
}

.service-detail-card h3 {
    margin-bottom: var(--space-8);
    font-size: clamp(18px, 1.8vw, 20px);
    line-height: 1.5;
}

.service-detail-card p {
    font-size: 14px;
    color: var(--color-caption);
    line-height: 1.8;
}

.service-detail-card .tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.service-detail-card .tags span {
    font-size: 12px;
    background: var(--color-bg-tertiary);
    padding: 2px 12px;
    border-radius: var(--radius-pill);
    color: var(--color-caption);
    border: 1px solid var(--color-border);
}

/* ============================================================
           ABOUT PAGE
           ============================================================ */
.about-hero {
    padding: var(--space-80) 0 var(--space-48);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-48);
    align-items: start;
}

.about-avatar {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: var(--color-caption);
    font-weight: 800;
}

.about-text h2 {
    margin-bottom: var(--space-16);
}

.about-text p {
    color: var(--color-body);
    margin-bottom: var(--space-16);
    line-height: 1.9;
}

.about-skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-24);
    margin-top: var(--space-24);
}

.about-skills .skill-group {
    min-width: 120px;
}

.about-skills .skill-group h4 {
    font-size: 14px;
    margin-bottom: var(--space-4);
    color: var(--color-caption);
    font-weight: 600;
}

.about-skills .skill-group span {
    display: inline-block;
    font-size: 13px;
    background: var(--color-bg-tertiary);
    padding: 2px 12px;
    border-radius: var(--radius-pill);
    color: var(--color-body);
    border: 1px solid var(--color-border);
    margin: 2px 4px 2px 0;
}

/* ============================================================
           CONTACT / START PROJECT PAGE
           ============================================================ */
.contact-hero {
    padding: var(--space-80) 0 var(--space-48);
}

.contact-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: var(--space-48);
}

.contact-form .form-group {
    margin-bottom: var(--space-20);
}

.contact-form label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-heading);
    margin-bottom: var(--space-6);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-heading);
    font-family: var(--font-primary);
    font-size: 15px;
    transition: border-color 250ms ease, box-shadow 250ms ease;
    outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.12);
}

.contact-form input.error,
.contact-form select.error,
.contact-form textarea.error {
    border-color: var(--color-error);
}

.contact-form .error-msg {
    font-size: 13px;
    color: var(--color-error);
    margin-top: var(--space-4);
    display: none;
}

.contact-form .error-msg.visible {
    display: block;
}

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

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
}

.contact-info {
    padding: var(--space-32);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.contact-info .contact-info-title {
    font-size: clamp(22px, 2.5vw, 28px);
    line-height: 1.35;
    margin-bottom: var(--space-16);
}

.contact-info .info-item {
    margin-bottom: var(--space-16);
}

.contact-info .info-item .label {
    font-size: 13px;
    color: var(--color-caption);
    display: block;
}

.contact-info .info-item .value {
    font-size: 16px;
    color: var(--color-heading);
    font-weight: 600;
}

.contact-info .social-links {
    display: flex;
    gap: var(--space-16);
    margin-top: var(--space-16);
}

.contact-info .social-links a,
.contact-info .social-links .social-link-placeholder {
    color: var(--color-caption);
    transition: color 150ms ease;
    font-size: 15px;
}

.contact-info .social-links a:hover {
    color: var(--color-accent);
}

/* ============================================================
           FAQ (contact page)
           ============================================================ */
.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-24);
    margin-top: var(--space-32);
}

.faq-item {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-16) var(--space-20);
}

.faq-item h3 {
    font-size: 15px;
    line-height: 1.5;
    margin-bottom: var(--space-4);
}

.faq-item p {
    font-size: 14px;
    color: var(--color-caption);
    line-height: 1.7;
}

/* ============================================================
           RESPONSIVE
           ============================================================ */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--space-32);
    }

    .hero-visual {
        order: -1;
    }

    .hero-grid-pattern {
        aspect-ratio: 16 / 9;
    }

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

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

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-32);
    }

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

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

    .about-avatar {
        max-width: 240px;
        margin: 0 auto;
    }

    .services-detail-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .nav-desktop {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

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

    .trust-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }

    .services-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-24);
    }

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

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

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

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

    .process-step {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-8);
    }

    .process-step .step-num {
        min-width: auto;
    }

    .portfolio-hero h1 {
        font-size: 30px;
    }

    .case-hero h1 {
        font-size: 30px;
    }

    .section-padding {
        padding: var(--space-48) 20px;
    }

    .hero {
        padding: var(--space-80) 0 var(--space-48);
    }

    .cta-section {
        padding: var(--space-48) var(--space-16);
    }

    .site-header .container {
        height: 48px;
    }

    .logo {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .trust-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-12);
    }

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

    .hero-content p {
        font-size: 16px;
    }

    .btn {
        height: 46px;
        font-size: 14px;
        padding: 0 18px;
    }

    .project-card .project-body {
        padding: var(--space-16);
    }

    .mobile-drawer {
        max-width: 100%;
        padding: 90px 20px 24px;
    }
}

/* ============================================================
           UTILITIES
           ============================================================ */
.mt-8 {
    margin-top: var(--space-8);
}

.mt-16 {
    margin-top: var(--space-16);
}

.mt-24 {
    margin-top: var(--space-24);
}

.mt-32 {
    margin-top: var(--space-32);
}

.mt-48 {
    margin-top: var(--space-48);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

.mb-16 {
    margin-bottom: var(--space-16);
}

.mb-24 {
    margin-bottom: var(--space-24);
}

.mb-32 {
    margin-bottom: var(--space-32);
}

.mb-48 {
    margin-bottom: var(--space-48);
}

.gap-16 {
    gap: var(--space-16);
}

.gap-24 {
    gap: var(--space-24);
}

.gap-32 {
    gap: var(--space-32);
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}



.skip-link {
    position: fixed;
    top: var(--space-12);
    right: var(--space-12);
    z-index: 2000;
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-sm);
    background: var(--color-accent);
    color: var(--color-on-accent);
    font-weight: 700;
    transform: translateY(-160%);
    transition: transform 150ms ease;
}

.skip-link:focus {
    transform: translateY(0);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--color-accent-hover);
    outline-offset: 3px;
}

main[tabindex="-1"]:focus {
    outline: none;
}

body.menu-open {
    overflow: hidden;
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.78;
}

.contact-form input[aria-invalid="true"],
.contact-form select[aria-invalid="true"],
.contact-form textarea[aria-invalid="true"] {
    border-color: var(--color-error);
}

.process-summary-title {
    font-size: clamp(22px, 2.5vw, 28px);
    line-height: 1.35;
}

/* ============================================================
           REDUCED MOTION
           ============================================================ */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .project-card:hover {
        transform: none !important;
    }

    .project-card:hover .project-image img {
        transform: none !important;
    }

    .btn-primary:hover {
        transform: none !important;
    }

    .service-card:hover {
        transform: none !important;
    }
}


/* -------------------------------------- */

.card-wrap {
    position: relative;
    border-radius: 30px;
}

.product-card {
    position: relative;
    z-index: 2;
    border-radius: 28px;
    background: #111827;
    padding: 20px;
    color: white;
    overflow: hidden;
}

/* SVG دور کارت */
.border-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 3;
    filter: drop-shadow(0 0 8px rgba(34, 211, 238, 0.45))
}

.border-base {
    fill: none;
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 1.6;
}

.border-glow {
    fill: none;
    stroke: url(#glowStroke);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 110 1400;
    animation: runBorder 4s linear infinite;
    filter: blur(3px);
    opacity: .95;
}

.border-sharp {
    fill: none;
    stroke: url(#glowStroke);
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-dasharray: 84 1400;
    animation: runBorder 4s linear infinite;
}

@keyframes runBorder {
    from {
        stroke-dashoffset: 0;
    }

    to {
        stroke-dashoffset: -1540;
    }
}

.mylogo{
    width: 50px;
}
.logo-about{
    width: 150px;
}

.btn1{
      display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
  transition: .25s ease;
}
.btn1-primary{
position: relative;
  padding: 16px 28px;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, #9BBCFF, #78A3FF, #5D8EFF);
  box-shadow:
    0 14px 30px rgba(120, 163, 255, .35),
    inset 0 1px 0 rgba(255,255,255,.22);
  font-size: 18px;
  font-weight: 700;
  transform-origin: center;
  animation: heartbeat 1.35s ease-in-out infinite;
}

.btn1-primary::before {
  content: "";
  position: absolute;
  inset: -10px;
  border-radius: inherit;
  border: 2px solid rgba(120, 163, 255, .30);
  animation: ringPulse 1.35s ease-out infinite;
  pointer-events: none;
}

.btn1-primary:hover {
  transform: translateY(-1px);
}

@keyframes heartbeat {
  0%   { transform: scale(1); }
  12%  { transform: scale(1.08); }
  24%  { transform: scale(1); }
  36%  { transform: scale(1.14); }
  52%  { transform: scale(1); }
  100% { transform: scale(1); }
}

@keyframes ringPulse {
  0%   { transform: scale(.95); opacity: .55; }
  45%  { transform: scale(1.16); opacity: .12; }
  100% { transform: scale(1.24); opacity: 0; }
}