/* ===== Variables ===== */
:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.15);
    --bg: #0a0a0f;
    --bg-card: #12121a;
    --bg-card-hover: #1a1a26;
    --bg-section-dark: #07070b;
    --text: #e4e4e7;
    --text-muted: #71717a;
    --text-light: #a1a1aa;
    --border: #27272a;
    --border-light: #3f3f46;
    --success: #22c55e;
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ===== Layout ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 120px 0;
}

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

/* ===== Section Header ===== */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--primary-light);
    background: var(--primary-glow);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

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

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo-bracket {
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-light);
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

.nav-cta {
    background: var(--primary);
    color: white !important;
    padding: 8px 20px;
    border-radius: 8px;
    font-weight: 600 !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: var(--primary-dark);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--success);
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.2);
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 32px;
    animation: fadeDown 0.8s ease;
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    animation: fadeUp 0.8s ease 0.1s both;
}

.hero-highlight {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto 40px;
    animation: fadeUp 0.8s ease 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 64px;
    animation: fadeUp 0.8s ease 0.3s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    animation: fadeUp 0.8s ease 0.4s both;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 24px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.35);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--text-muted);
}

.btn-full {
    width: 100%;
}

/* ===== Services ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
}

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

.service-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-glow);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary-light);
}

.service-icon svg {
    width: 24px;
    height: 24px;
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-tags li {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary-light);
    background: var(--primary-glow);
    padding: 4px 12px;
    border-radius: 100px;
}

/* ===== Skills ===== */
.skills-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
}

.skill-category-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-light);
}

.skill-bar {
    height: 6px;
    background: var(--border);
    border-radius: 100px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 100px;
    width: 0;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Project Showcase ===== */
.project-showcase {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px;
}

.project-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary-light);
    margin-bottom: 12px;
}

.project-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.project-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 28px;
}

.project-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 28px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-light);
}

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

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tech span {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-light);
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 100px;
}

/* Phone Mockup */
.project-visual {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 260px;
    height: 520px;
    background: #1a1a2e;
    border-radius: 36px;
    border: 3px solid var(--border-light);
    padding: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #0f0f1a 0%, #1a1a30 100%);
    border-radius: 24px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.app-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 16px 12px;
}

.app-logo {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--primary);
    background: var(--primary-glow);
    padding: 4px 8px;
    border-radius: 6px;
}

.app-title {
    font-size: 1rem;
    font-weight: 700;
}

.app-content {
    flex: 1;
    padding: 12px 16px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    align-content: start;
}

.app-card {
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 14px;
    padding: 18px 12px;
    text-align: center;
    transition: var(--transition);
}

.app-card:hover {
    background: rgba(99, 102, 241, 0.15);
    transform: scale(1.03);
}

.app-card-icon {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.app-card-text {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-light);
}

.app-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 16px;
}

.app-nav-item {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
}

.app-nav-item.active {
    background: var(--primary);
}

/* ===== Process ===== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.process-step {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    position: relative;
    transition: var(--transition);
}

.process-step:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.process-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    opacity: 0.3;
    margin-bottom: 16px;
    line-height: 1;
}

.process-step h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.process-step p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== Contact ===== */
.contact-container {
    max-width: 700px;
    margin: 0 auto;
}

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

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

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-light);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: var(--transition);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    cursor: pointer;
}

.form-group select option {
    background: var(--bg-card);
}

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

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

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.contact-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 0;
    font-size: 0.9rem;
    color: var(--text-light);
}

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

.contact-item a {
    color: var(--primary-light);
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--primary);
}

.availability {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--success);
    background: rgba(34, 197, 94, 0.05);
    border-color: rgba(34, 197, 94, 0.15);
}

.availability-dot {
    width: 10px;
    height: 10px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
    flex-shrink: 0;
}

/* ===== Footer ===== */
.footer {
    padding: 32px 0;
    border-top: 1px solid var(--border);
}

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

.footer-logo {
    font-size: 1.1rem;
    font-weight: 700;
}

.footer-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===== Legal Pages ===== */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px;
}

.legal-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-top: 32px;
    margin-bottom: 12px;
    color: var(--text);
}

.legal-content h3:first-child {
    margin-top: 0;
}

.legal-content p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 12px;
}

.legal-content ul {
    list-style: disc;
    padding-left: 24px;
    margin-bottom: 12px;
}

.legal-content ul li {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 4px;
}

/* ===== Form Checkbox ===== */
.form-checkbox label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-width: 18px;
    margin-top: 3px;
    accent-color: var(--primary);
    cursor: pointer;
}

.form-checkbox a {
    color: var(--primary-light);
    text-decoration: underline;
    transition: var(--transition);
}

.form-checkbox a:hover {
    color: var(--primary);
}

/* ===== Cookie Banner ===== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    padding: 20px 24px;
    transform: translateY(0);
    transition: transform 0.4s ease;
}

.cookie-banner.hidden {
    transform: translateY(100%);
    pointer-events: none;
}

.cookie-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.cookie-banner-content p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

.cookie-accept {
    white-space: nowrap;
    padding: 10px 24px;
    font-size: 0.85rem;
}

/* ===== Footer Links ===== */
.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: var(--transition);
}

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

/* ===== Animations ===== */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeDown {
    from {
        opacity: 0;
        transform: translateY(-16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 currentColor;
    }
    50% {
        opacity: 0.7;
        box-shadow: 0 0 0 6px transparent;
    }
}

[data-animate] {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .skills-container {
        grid-template-columns: 1fr;
    }
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .project-showcase {
        grid-template-columns: 1fr;
        padding: 32px;
    }
    .project-visual {
        order: -1;
    }
}

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

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        background: var(--bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 36px;
        z-index: 9999;
        padding: 24px;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        font-size: 1.3rem;
        font-weight: 600;
    }

    .nav-cta {
        margin-top: 12px;
        padding: 14px 32px !important;
        font-size: 1.1rem !important;
    }

    .nav-toggle {
        display: flex;
        z-index: 10000;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

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

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

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

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

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .phone-mockup {
        width: 220px;
        height: 440px;
    }

    .footer-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

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

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

    .legal-content {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .contact-form {
        padding: 24px;
    }

    .project-showcase {
        padding: 24px;
    }
}