/* ============================================
   ПОРТФОЛИО — Landing Page
   Palette: Ink / Amber / Emerald (dark theme)
   ============================================ */

:root {
    --ink: #0B0F19;
    --bg: #0F1419;
    --bg-2: #0B1019;
    --card: #161B26;
    --card-2: #1C2330;
    --border: #232936;
    --border-light: rgba(255,255,255,0.08);
    --text: #E5E7EB;
    --muted: #9CA3AF;
    --accent: #F59E0B;
    --accent-2: #10B981;
    --white: #ffffff;

    --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

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

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}
.navbar.scrolled {
    padding: 14px 0;
    background: rgba(11, 15, 25, 0.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
}
.brand-logo {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: block;
    transition: transform var(--transition);
}
.brand:hover .brand-logo { transform: scale(1.06); }
.brand-text {
    letter-spacing: -0.4px;
    font-weight: 800;
}
.brand-text em { color: var(--accent); font-style: normal; }

.nav-menu { display: flex; gap: 32px; }
.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    position: relative;
    transition: var(--transition);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px; left: 0;
    width: 0; height: 2px;
    background: var(--accent);
    transition: var(--transition);
}
.nav-link:hover::after { width: 100%; }
.nav-link:hover { color: var(--white); }

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}
.hamburger span {
    width: 26px; height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 15px 30px;
    font-family: inherit;
    font-weight: 700;
    font-size: 15px;
    border-radius: 10px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    letter-spacing: 0.3px;
}
.btn-primary { background: var(--accent); color: var(--ink); }
.btn-primary:hover { background: #FBBF24; transform: translateY(-2px); box-shadow: 0 10px 30px rgba(245,158,11,0.35); }
.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--card); border-color: var(--accent); color: var(--white); }
.btn-nav { padding: 10px 22px; font-size: 13px; }
.btn-sm { padding: 11px 20px; font-size: 13px; }
.btn-block { width: 100%; }

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    padding: 160px 0 90px;
    text-align: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
}
.hero-glow {
    position: absolute;
    top: -200px; left: 50%;
    transform: translateX(-50%);
    width: 900px; height: 600px;
    background: radial-gradient(ellipse at center, rgba(245,158,11,0.18), rgba(16,185,129,0.08) 40%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-badge {
    display: inline-block;
    padding: 7px 18px;
    background: rgba(245, 158, 11, 0.12);
    color: var(--accent);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}
.hero h1 {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
    color: var(--white);
}
.hero h1 span {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero p {
    font-size: 18px;
    color: var(--muted);
    max-width: 640px;
    margin: 0 auto 36px;
    line-height: 1.65;
}
.hero-cta {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

/* STATS */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 820px;
    margin: 0 auto;
    padding: 32px 0 0;
    border-top: 1px solid var(--border);
}
.stat { text-align: center; padding: 12px; }
.stat strong {
    display: inline-block;
    font-size: 32px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}
.stat strong i { font-style: normal; }
.stat span {
    display: block;
    font-size: 13px;
    color: var(--muted);
    margin-top: 8px;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-head {
    text-align: center;
    margin-bottom: 48px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}
.section-eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}
.section-head h2 {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    margin-bottom: 14px;
    letter-spacing: -1px;
    color: var(--white);
}
.section-head p { color: var(--muted); font-size: 17px; }

/* ============================================
   PROJECTS
   ============================================ */
.projects { padding: 100px 0; }

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 44px;
}
.filter-btn {
    padding: 9px 18px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--muted);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.filter-btn:hover { color: var(--text); border-color: var(--accent); }
.filter-btn.active {
    background: var(--accent);
    color: var(--ink);
    border-color: var(--accent);
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}
.card:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    box-shadow: 0 24px 48px rgba(0,0,0,0.4);
}
.card-preview {
    aspect-ratio: 16/10;
    overflow: hidden;
    position: relative;
}
.card-preview img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}
.card:hover .card-preview img { transform: scale(1.06); }
.card-badge {
    position: absolute;
    top: 14px; left: 14px;
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
}
.card-body { padding: 28px; }
.card-body h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--white);
}
.card-body p {
    color: var(--muted);
    font-size: 15px;
    margin-bottom: 18px;
    line-height: 1.6;
}
.card-features {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.card-features span {
    padding: 4px 11px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 12px;
    color: var(--muted);
}
.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}
.card-price { font-size: 14px; color: var(--muted); }
.card-price strong { color: var(--accent); font-size: 18px; }
.card-link {
    color: var(--accent);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}
.card-link:hover { opacity: 0.8; }

/* ============================================
   FEATURES
   ============================================ */
.features {
    padding: 100px 0;
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature {
    padding: 32px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    transition: var(--transition);
}
.feature:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}
.feature-icon {
    font-size: 32px;
    margin-bottom: 16px;
    width: 60px; height: 60px;
    background: rgba(245,158,11,0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.feature h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--white);
}
.feature p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.6;
}

/* ============================================
   PROCESS
   ============================================ */
.process { padding: 100px 0; }
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.process-step {
    padding: 32px 24px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    transition: var(--transition);
    position: relative;
}
.process-step:hover {
    border-color: var(--accent-2);
    transform: translateY(-4px);
}
.step-num {
    font-size: 40px;
    font-weight: 800;
    color: var(--accent);
    opacity: 0.4;
    line-height: 1;
    margin-bottom: 12px;
}
.process-step h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--white);
}
.process-step p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.6;
}

/* ============================================
   CONTACTS
   ============================================ */
.contacts { padding: 100px 0; background: var(--bg-2); border-top: 1px solid var(--border); }
.contact-card-wrap {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1000px;
    margin: 0 auto;
    box-shadow: 0 24px 60px rgba(0,0,0,0.3);
}
.contact-info {
    padding: 56px 44px;
    background: linear-gradient(160deg, var(--ink), var(--bg));
}
.contact-info .section-eyebrow { margin-bottom: 12px; }
.contact-info h2 {
    font-size: clamp(26px, 3.5vw, 38px);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    line-height: 1.2;
    letter-spacing: -0.5px;
}
.contact-info > p {
    color: var(--muted);
    font-size: 16px;
    margin-bottom: 28px;
    line-height: 1.65;
}
.contact-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}
.contact-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text);
}
.contact-list span {
    width: 22px; height: 22px;
    background: var(--accent);
    color: var(--ink);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}
.contact-tg {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: rgba(245,158,11,0.1);
    border: 1px solid rgba(245,158,11,0.25);
    border-radius: 12px;
    transition: var(--transition);
}
.contact-tg:hover { background: rgba(245,158,11,0.18); }
.tg-icon { font-size: 28px; }
.contact-tg strong { display: block; color: var(--white); font-size: 16px; }
.contact-tg p { font-size: 12px; color: var(--muted); margin: 0; }

.contact-form { padding: 56px 44px; }
.contact-form h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 24px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--muted);
    margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 13px 16px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-family: inherit;
    font-size: 16px;
    color: var(--text);
    background: var(--bg);
    transition: var(--transition);
    resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #6B7280; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--ink);
    box-shadow: 0 0 0 3px rgba(245,158,11,0.15);
}
.form-group select option { background: var(--ink); }
.form-note {
    font-size: 12px;
    color: var(--muted);
    text-align: center;
    margin-top: 12px;
}
.form-success {
    display: none;
    margin-top: 16px;
    padding: 14px;
    background: var(--accent-2);
    color: var(--ink);
    text-align: center;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
}
.form-success.show { display: block; animation: fadeIn 0.4s; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    padding: 70px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 48px;
}
.footer .brand { margin-bottom: 18px; }
.footer-tagline {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 22px;
}
.social-links { display: flex; gap: 18px; }
.social-links a {
    font-size: 13px;
    color: var(--accent);
    transition: var(--transition);
}
.social-links a:hover { color: var(--white); }
.footer-col h4 {
    color: var(--white);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 18px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.footer-col ul li { margin-bottom: 11px; }
.footer-col ul li a {
    font-size: 14px;
    color: var(--muted);
    transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-col > p {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 16px;
    line-height: 1.6;
}
.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 26px;
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--muted);
    opacity: 0.7;
}

/* ============================================
   ANIMATIONS
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 0; right: -100%;
        width: 80%; max-width: 300px;
        height: 100vh;
        background: var(--ink);
        flex-direction: column;
        justify-content: center;
        padding: 40px;
        gap: 24px;
        transition: right 0.4s ease;
        box-shadow: -10px 0 40px rgba(0,0,0,0.5);
    }
    .nav-menu.active { right: 0; }
    .nav-menu .nav-link { color: var(--white); font-size: 18px; }
    .btn-nav { display: none; }
    .hamburger { display: flex; }

    .features-grid { grid-template-columns: 1fr 1fr; }
    .process-grid { grid-template-columns: 1fr 1fr; }
    .contact-card-wrap { grid-template-columns: 1fr; }
    .contact-info, .contact-form { padding: 40px 28px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
    .grid, .features-grid, .process-grid, .stats { grid-template-columns: 1fr; }
    .stats { max-width: 400px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
    .container, .nav-container { padding: 0 18px; }
    .hero { padding: 130px 0 70px; }
    .footer-grid { grid-template-columns: 1fr; }
    .filters { gap: 8px; }
    .filter-btn { padding: 8px 14px; font-size: 12px; }
}