/* CodeBari Software - Premium Portfolio Styles */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --color-bg: #fafbfc;
    --color-bg-alt: #ffffff;
    --color-bg-elevated: #ffffff;
    --color-surface: #f1f5f9;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;

    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #94a3b8;

    --color-primary: #0369a1;
    --color-primary-hover: #0284c7;
    --color-primary-light: #e0f2fe;
    --color-accent: #0ea5e9;

    --color-success: #059669;
    --color-warning: #d97706;
    --color-error: #dc2626;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.08);
    --shadow-xl: 0 24px 60px rgba(15, 23, 42, 0.1);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --nav-height: 72px;
    --section-padding: 100px;
    --container-width: 1200px;

    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --color-bg: #0b1120;
    --color-bg-alt: #0f172a;
    --color-bg-elevated: #1e293b;
    --color-surface: #1e293b;
    --color-border: #334155;
    --color-border-light: #1e293b;

    --color-text: #f1f5f9;
    --color-text-secondary: #cbd5e1;
    --color-text-muted: #64748b;

    --color-primary: #38bdf8;
    --color-primary-hover: #7dd3fc;
    --color-primary-light: #0c4a6e;
    --color-accent: #0ea5e9;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.5);
}

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

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

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-hover); }

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.section-title { margin-bottom: 16px; }
.section-desc {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 640px;
    line-height: 1.7;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--color-primary-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
}
.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.btn-ghost {
    background: transparent;
    color: var(--color-primary);
    padding: 8px 0;
}
.btn-ghost:hover { color: var(--color-primary-hover); }
.btn-ghost svg { transition: transform var(--transition); }
.btn-ghost:hover svg { transform: translateX(4px); }

.btn-sm { padding: 8px 20px; font-size: 0.875rem; }
.btn-lg { padding: 16px 36px; font-size: 1rem; }

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1200;
    height: var(--nav-height);
    transition: all var(--transition);
}

.navbar.scrolled {
    background: rgba(250, 251, 252, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .navbar.scrolled {
    background: rgba(11, 17, 32, 0.9);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--color-text);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.875rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav-links a {
    padding: 8px 14px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-text);
    background: var(--color-surface);
}

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

.theme-toggle {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-alt);
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.theme-toggle:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.logo img.site-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    flex-shrink: 0;
}

.mobile-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: none;
    background: none;
    cursor: pointer;
    position: relative;
    z-index: 1201;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    padding: 0;
}

.mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

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

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

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

/* Hero Section */
.hero {
    padding: calc(var(--nav-height) + 56px) 0 56px;
    position: relative;
}

.hero-content {
    max-width: 720px;
}

.hero-grid {
    display: block;
}

.hero-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero h1 {
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    z-index: 1;
}

.hero-dashboard {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

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

.dashboard-dot.red { background: #ef4444; }
.dashboard-dot.yellow { background: #f59e0b; }
.dashboard-dot.green { background: #22c55e; }

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.dashboard-stat {
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    padding: 16px;
}

.dashboard-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
}

.dashboard-stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.dashboard-chart {
    height: 120px;
    background: linear-gradient(180deg, var(--color-primary-light) 0%, transparent 100%);
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}

.dashboard-chart::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 100' preserveAspectRatio='none'%3E%3Cpath d='M0,80 Q50,60 100,70 T200,40 T300,50 T400,20 L400,100 L0,100 Z' fill='%230369a1' opacity='0.15'/%3E%3C/svg%3E") no-repeat bottom;
    background-size: 100% 100%;
}

.floating-icons {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.float-icon {
    position: absolute;
    width: 48px;
    height: 48px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-md);
    animation: float 6s ease-in-out infinite;
}

.float-icon:nth-child(1) { top: 10%; right: -20px; animation-delay: 0s; }
.float-icon:nth-child(2) { bottom: 20%; left: -30px; animation-delay: 2s; }
.float-icon:nth-child(3) { top: 50%; right: -40px; animation-delay: 4s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* Stats Section */
.stats-bar {
    padding: 48px 0;
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* Sections */
.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header .section-desc {
    margin: 0 auto;
}

.section-alt {
    background: var(--color-bg-alt);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-image {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.about-image-inner {
    text-align: center;
    padding: 40px;
}

.about-mini-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 32px;
}

.mini-stat {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
}

.mini-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.mini-stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 32px 0;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.about-feature svg {
    flex-shrink: 0;
    color: var(--color-primary);
}

/* Service Cards */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    transition: all var(--transition);
    position: relative;
}

.service-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.0625rem;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.service-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.tech-tag {
    font-size: 0.6875rem;
    font-weight: 500;
    padding: 4px 10px;
    background: var(--color-surface);
    color: var(--color-text-muted);
    border-radius: 100px;
    font-family: var(--font-mono);
}

.service-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Service Detail Sections */
.service-detail {
    padding: 80px 0;
    border-bottom: 1px solid var(--color-border);
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: start;
}

.service-detail-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 24px;
}

.service-detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.service-detail-item svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

/* Technologies */
.tech-categories {
    display: grid;
    gap: 48px;
}

.tech-category h3 {
    font-size: 1.125rem;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-primary);
    display: inline-block;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.tech-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.tech-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.tech-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-mono);
    flex-shrink: 0;
}

.tech-info h4 {
    font-size: 0.9375rem;
    margin-bottom: 2px;
}

.tech-info p {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Featured Projects */
.featured-project {
    margin-bottom: 80px;
    padding-bottom: 80px;
    border-bottom: 1px solid var(--color-border);
}

.featured-project:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.project-number {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    margin-bottom: 12px;
}

.featured-project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
    gap: 24px;
}

.featured-project-info h3 {
    font-size: 1.75rem;
    margin-bottom: 8px;
}

.featured-project-category {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.featured-project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 24px;
}

/* Screenshot Slider */
.screenshot-slider {
    margin: 24px 0;
}

.slider-main {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 16/10;
}

.slider-main.is-vertical,
.mobile-slider .slider-main {
    aspect-ratio: 9 / 19;
    max-width: 280px;
    margin: 0 auto;
    width: 100%;
}

.slider-slide.is-vertical .slider-image,
.slider-main.is-vertical .slider-image {
    object-fit: contain;
    background: #0b1120;
}

.slider-thumb.is-vertical {
    width: 72px;
}

.slider-thumb.is-vertical img {
    aspect-ratio: 9/16;
    object-fit: cover;
}

.slider-viewport {
    width: 100%;
    height: 100%;
    position: relative;
}

.slider-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-slide.active { opacity: 1; z-index: 1; }

.slider-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: zoom-in;
}

.slider-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 20px;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: #fff;
    font-size: 0.875rem;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 44px;
    height: 44px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text);
    transition: all var(--transition);
    opacity: 0;
}

.slider-main:hover .slider-nav { opacity: 1; }

.slider-nav:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.slider-prev { left: 16px; }
.slider-next { right: 16px; }

.slider-fullscreen {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 10;
    width: 36px;
    height: 36px;
    background: rgba(0,0,0,0.5);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}

.slider-main:hover .slider-fullscreen { opacity: 1; }

.slider-thumbs {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
}

.slider-thumb {
    flex-shrink: 0;
    width: 120px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    background: none;
    padding: 0;
    transition: all var(--transition);
}

.slider-thumb.active,
.slider-thumb:hover {
    border-color: var(--color-primary);
}

.slider-thumb img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

.thumb-label {
    display: block;
    padding: 6px 8px;
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    text-align: center;
    background: var(--color-surface);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
}

.slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    background: var(--color-border);
    cursor: pointer;
    transition: all var(--transition);
    padding: 0;
}

.slider-dot.active {
    background: var(--color-primary);
    width: 24px;
    border-radius: 4px;
}

.screenshot-placeholder {
    aspect-ratio: 16/10;
    background: var(--color-surface);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-content {
    text-align: center;
    color: var(--color-text-muted);
}

.placeholder-content svg { margin: 0 auto 12px; }

/* Fullscreen overlay */
.fullscreen-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.fullscreen-overlay.active {
    opacity: 1;
    visibility: visible;
}

.fullscreen-overlay img {
    max-width: 95vw;
    max-height: 90vh;
    object-fit: contain;
}

.fullscreen-overlay.is-vertical {
    padding: 16px 0;
}

.fullscreen-overlay.is-vertical img {
    width: auto;
    height: 92vh;
    max-width: min(420px, 94vw);
    object-fit: contain;
}

.fullscreen-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    font-size: 1.5rem;
}

/* Project Cards Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.project-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}

.project-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--color-primary);
}

.project-card-thumb {
    aspect-ratio: 16/10;
    background: var(--color-surface);
    overflow: hidden;
}

.project-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-card-thumb img {
    transform: scale(1.05);
}

.project-card-body { padding: 24px; }

.project-card-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.project-card h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.project-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

/* Filter Tabs */
.filter-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 48px;
}

.filter-tab {
    padding: 8px 20px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    cursor: pointer;
    transition: all var(--transition);
}

.filter-tab:hover,
.filter-tab.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* Process Timeline */
.process-timeline {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 16px;
    position: relative;
}

.process-step {
    text-align: center;
    position: relative;
}

.process-number {
    width: 48px;
    height: 48px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    font-family: var(--font-mono);
    margin: 0 auto 16px;
    position: relative;
    z-index: 2;
}

.process-step h4 {
    font-size: 0.9375rem;
    margin-bottom: 8px;
}

.process-step p {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* Why Choose */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.why-card {
    padding: 32px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.why-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.why-icon {
    width: 52px;
    height: 52px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.why-card h4 {
    font-size: 1.0625rem;
    margin-bottom: 10px;
}

.why-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Journey Timeline */
.journey-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.journey-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
    transform: translateX(-50%);
}

.journey-item {
    display: flex;
    align-items: center;
    margin-bottom: 48px;
    position: relative;
}

.journey-item:nth-child(odd) { flex-direction: row-reverse; }

.journey-content {
    width: calc(50% - 40px);
    padding: 24px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.journey-year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: #fff;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 600;
    font-family: var(--font-mono);
    z-index: 2;
}

.journey-content h4 {
    font-size: 1.0625rem;
    margin-bottom: 8px;
}

.journey-content p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Testimonials */
.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.testimonial-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
}

.testimonial-rating {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 24px;
    color: #f59e0b;
}

.testimonial-text {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    font-style: italic;
    margin-bottom: 32px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.testimonial-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--color-primary);
    font-size: 1.25rem;
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-info h5 {
    font-size: 1rem;
    margin-bottom: 2px;
}

.testimonial-info p {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* Clients */
.clients-slider {
    display: flex;
    gap: 48px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0.6;
}

.client-logo {
    height: 40px;
    filter: grayscale(100%);
    transition: all var(--transition);
}

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

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-question {
    width: 100%;
    padding: 24px 0;
    background: none;
    border: none;
    text-align: left;
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.faq-question svg {
    flex-shrink: 0;
    transition: transform var(--transition);
    color: var(--color-text-muted);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding-bottom: 24px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

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

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-method-icon {
    width: 44px;
    height: 44px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-method a {
    color: var(--color-text);
    font-weight: 500;
}

.contact-method span {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    display: block;
}

.contact-form {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

.form-alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.875rem;
}

.form-alert.success {
    background: #ecfdf5;
    color: #059669;
    border: 1px solid #a7f3d0;
}

.form-alert.error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

[data-theme="dark"] .form-alert.success {
    background: #064e3b;
    color: #6ee7b7;
    border-color: #059669;
}

[data-theme="dark"] .form-alert.error {
    background: #7f1d1d;
    color: #fca5a5;
    border-color: #dc2626;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: var(--color-primary);
    color: #fff;
    text-align: center;
}

.cta-section h2 {
    color: #fff;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn-primary {
    background: #fff;
    color: var(--color-primary);
}

.cta-section .btn-primary:hover {
    background: #f1f5f9;
}

/* Footer */
.footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-top: 16px;
    line-height: 1.7;
}

.footer h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

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

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition);
}

.footer-social a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

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

.footer-legal a {
    color: var(--color-text-muted);
}

/* Project Detail Page */
.project-hero {
    padding: calc(var(--nav-height) + 60px) 0 40px;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
}

.project-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 24px;
}

.project-meta-item {
    font-size: 0.875rem;
}

.project-meta-item span {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.project-detail-section {
    padding: 64px 0;
    border-bottom: 1px solid var(--color-border);
}

.project-detail-section h2 {
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.feature-item svg {
    color: var(--color-success);
    flex-shrink: 0;
}

.case-study-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.case-study-block h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
    color: var(--color-primary);
}

.case-study-block p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Search */
.search-box {
    max-width: 600px;
    margin: 0 auto 48px;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 16px 24px 16px 52px;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg-alt);
    color: var(--color-text);
}

.search-box svg {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
}

.search-results-group {
    margin-bottom: 48px;
}

.search-results-group h3 {
    font-size: 1.125rem;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

/* 404 */
.page-404 {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px;
}

.page-404 h1 {
    font-size: 8rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 16px;
    font-family: var(--font-mono);
}

.page-404 h2 {
    margin-bottom: 16px;
}

.page-404 p {
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

/* Android Showcase */
.android-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}

.android-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 32px;
    padding: 32px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.android-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    background: var(--color-surface);
    overflow: hidden;
}

.android-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
}

.pagination a,
.pagination span {
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.pagination a:hover,
.pagination span.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Mobile Menu */
.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(86vw, 360px);
    height: 100%;
    z-index: 1150;
    background: var(--color-bg-elevated);
    padding: calc(var(--nav-height) + 16px) 24px 32px;
    transform: translateX(110%);
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: -16px 0 40px rgba(15, 23, 42, 0.12);
}

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

.mobile-menu-head {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.mobile-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-nav a {
    display: block;
    padding: 14px 4px;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    opacity: 0;
    transform: translateX(18px);
}

.mobile-menu.active .mobile-nav a {
    animation: menuIn 0.45s ease forwards;
}

.mobile-menu.active .mobile-nav li:nth-child(1) a { animation-delay: 0.05s; }
.mobile-menu.active .mobile-nav li:nth-child(2) a { animation-delay: 0.08s; }
.mobile-menu.active .mobile-nav li:nth-child(3) a { animation-delay: 0.11s; }
.mobile-menu.active .mobile-nav li:nth-child(4) a { animation-delay: 0.14s; }
.mobile-menu.active .mobile-nav li:nth-child(5) a { animation-delay: 0.17s; }
.mobile-menu.active .mobile-nav li:nth-child(6) a { animation-delay: 0.2s; }
.mobile-menu.active .mobile-nav li:nth-child(7) a { animation-delay: 0.23s; }
.mobile-menu.active .mobile-nav li:nth-child(8) a { animation-delay: 0.26s; }
.mobile-menu.active .mobile-nav li:nth-child(9) a { animation-delay: 0.29s; }

@keyframes menuIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.mobile-cta {
    margin-top: 24px;
    width: 100%;
}

.tech-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.tech-pill {
    padding: 8px 14px;
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    background: var(--color-bg-alt);
}

.empty-note {
    text-align: center;
    color: var(--color-text-muted);
}

.project-cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.hp-field {
    display: none !important;
}

.process-timeline {
    grid-template-columns: repeat(4, 1fr);
}

/* Responsive */
@media (max-width: 1100px) {
    .desktop-nav,
    .desktop-cta { display: none; }
    .mobile-toggle { display: flex; }
}

@media (max-width: 1024px) {
    :root { --section-padding: 72px; }

    .hero-grid,
    .about-grid,
    .service-detail-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: 1fr; }
    .process-timeline { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .case-study-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
    :root { --section-padding: 56px; --nav-height: 64px; }

    .container { padding: 0 16px; }

    .logo { font-size: 0.95rem; }
    .logo-icon,
    .logo img.site-logo-img { width: 36px; height: 36px; }

    .hero { padding: calc(var(--nav-height) + 36px) 0 40px; }
    .hero h1 { font-size: 1.85rem; letter-spacing: -0.03em; }
    .hero-subtitle { font-size: 1rem; margin-bottom: 24px; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn { width: 100%; }

    .stats-bar { padding: 28px 0; }
    .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 8px; }
    .stat-number { font-size: 1.35rem; }
    .stat-label { font-size: 0.7rem; }

    .section-header { margin-bottom: 32px; }
    .section-desc { font-size: 1rem; }

    .services-grid,
    .projects-grid,
    .why-grid,
    .form-row,
    .about-features,
    .features-list,
    .service-detail-list {
        grid-template-columns: 1fr;
    }

    .process-timeline { grid-template-columns: 1fr 1fr; gap: 20px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

    .featured-project { margin-bottom: 48px; padding-bottom: 48px; }
    .featured-project-header { flex-direction: column; }
    .featured-project-info h3,
    .featured-project h3 { font-size: 1.25rem; }

    .slider-main { aspect-ratio: 16/11; }
    .slider-nav { opacity: 1; width: 36px; height: 36px; }
    .slider-thumb { width: 72px; }
    .slider-thumbs { gap: 6px; }

    .testimonial-card { padding: 24px 16px; }
    .testimonial-text { font-size: 1rem; }

    .contact-form { padding: 20px; }
    .faq-question { font-size: 0.95rem; padding: 18px 0; }

    .project-hero { padding-top: calc(var(--nav-height) + 32px); }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .process-timeline { grid-template-columns: 1fr; }
    .hero h1 { font-size: 1.65rem; }
}