/* ==========================================================================
   BrainWeb.pl — Premium dark theme
   Palette: graphite/black background, white text, blue -> violet accents
   ========================================================================== */

:root {
    --bg-0: #07070d;
    --bg-1: #0b0b16;
    --bg-2: #10101c;
    --bg-alt: #0d0d1a;
    --surface: #14141f;
    --surface-2: #181826;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);

    --text-0: #f5f6fb;
    --text-1: #c9cadb;
    --text-2: #8b8ca3;
    --text-3: #63647a;

    --accent-blue: #5b6dff;
    --accent-blue-soft: #7d8bff;
    --accent-violet: #9b5bff;
    --accent-violet-soft: #b585ff;
    --accent-gradient: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-violet) 100%);
    --accent-gradient-soft: linear-gradient(135deg, rgba(91, 109, 255, 0.16), rgba(155, 91, 255, 0.16));

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pill: 999px;

    --shadow-glow: 0 20px 50px -26px rgba(91, 109, 255, 0.28);
    --shadow-card: 0 16px 40px -20px rgba(0, 0, 0, 0.5);
    --shadow-lift: 0 30px 70px -32px rgba(0, 0, 0, 0.55);

    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --container-w: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--bg-0);
    color: var(--text-1);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    position: relative;
}

h1, h2, h3, h4 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    color: var(--text-0);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.01em;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
textarea, input { font-family: inherit; }

.container {
    width: 100%;
    max-width: var(--container-w);
    margin: 0 auto;
    padding: 0 28px;
}

/* Ambient background glows — kept subtle so the dark canvas reads as
   premium/quiet rather than "gradient-heavy SaaS landing page". */
.bg-glow {
    position: fixed;
    width: 640px;
    height: 640px;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.14;
    z-index: 0;
    pointer-events: none;
}
.bg-glow--one { top: -220px; left: -180px; background: var(--accent-blue); }
.bg-glow--two { top: 40%; right: -260px; background: var(--accent-violet); }

/* ==========================================================================
   Utility
   ========================================================================== */

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-blue-soft);
    margin-bottom: 18px;
}
.eyebrow__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-blue-soft);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    font-weight: 600;
    font-size: 0.92rem;
    padding: 14px 26px;
    border-radius: var(--radius-pill);
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease);
    white-space: nowrap;
}
.btn .icon { width: 16px; height: 16px; transition: transform 0.3s var(--ease); }
.btn--primary {
    background: var(--text-0);
    color: var(--bg-0);
}
.btn--primary:hover { transform: translateY(-1px); background: #fff; box-shadow: 0 16px 40px -18px rgba(255, 255, 255, 0.25); }
.btn--primary:hover .icon { transform: translateX(3px); }
.btn--ghost {
    background: transparent;
    color: var(--text-1);
    border: 1px solid var(--border-strong);
}
.btn--ghost:hover { border-color: var(--accent-blue-soft); color: var(--text-0); background: rgba(91,109,255,0.06); }
.btn--sm { padding: 10px 18px; font-size: 0.82rem; }
.btn--lg { padding: 16px 30px; font-size: 0.98rem; }
.btn--block { width: 100%; }

.grid { display: grid; gap: 24px; }
.grid--services { grid-template-columns: repeat(3, 1fr); }
.grid--features { grid-template-columns: repeat(3, 1fr); gap: 32px 28px; }
.grid--portfolio { grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid--testimonials { grid-template-columns: repeat(3, 1fr); }

.section { padding: 150px 0; position: relative; z-index: 1; }
.section--alt { background: linear-gradient(180deg, transparent, rgba(255,255,255,0.012), transparent); }
.section__head { max-width: 640px; margin: 0 auto 72px; text-align: center; }
.section__title { font-size: clamp(1.9rem, 3vw, 2.5rem); margin-bottom: 20px; letter-spacing: -0.02em; }
.section__desc { color: var(--text-2); font-size: 1.05rem; line-height: 1.7; }
.empty-note { text-align: center; color: var(--text-3); padding: 40px 0; }

/* Scroll reveal */
[data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
[data-reveal-delay="1"] { transition-delay: 0.12s; }
[data-reveal-delay="2"] { transition-delay: 0.24s; }
[data-reveal-delay="3"] { transition-delay: 0.36s; }

/* ==========================================================================
   Navbar
   ========================================================================== */

.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 20px 0;
    transition: background 0.35s var(--ease), padding 0.35s var(--ease), border-color 0.35s var(--ease);
    border-bottom: 1px solid transparent;
}
.navbar.is-scrolled {
    background: rgba(7, 7, 13, 0.78);
    backdrop-filter: blur(16px);
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}
.navbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.navbar__logo { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.3rem; color: var(--text-0); }
.navbar__logo span { color: var(--accent-blue-soft); }
.navbar__links { display: flex; align-items: center; gap: 34px; margin: 0 auto; }
.navbar__links a { font-size: 0.9rem; font-weight: 500; color: var(--text-2); position: relative; transition: color 0.25s; }
.navbar__links a:hover { color: var(--text-0); }
.navbar__links a::after {
    content: ''; position: absolute; left: 0; bottom: -6px; height: 1px; width: 0%;
    background: var(--accent-blue-soft); transition: width 0.3s var(--ease);
}
.navbar__links a:hover::after { width: 100%; }
.navbar__toggle { display: none; color: var(--text-0); }
.navbar__toggle .icon { width: 24px; height: 24px; }
.navbar__toggle .icon--close { display: none; }

/* ==========================================================================
   Page hero (audyt-seo, audyt-ai, blog, artykuł — secondary pages)
   ========================================================================== */

.page-hero { padding: 200px 0 110px; position: relative; z-index: 1; }
.page-hero__inner { max-width: 720px; margin: 0 auto; text-align: center; }
.page-hero__title { font-size: clamp(2.3rem, 4vw, 3.2rem); margin-bottom: 22px; letter-spacing: -0.02em; }
.page-hero__subtitle { font-size: 1.1rem; color: var(--text-2); margin-bottom: 40px; line-height: 1.7; }
.page-hero__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.page-hero__breadcrumb { display: flex; gap: 8px; justify-content: center; align-items: center; font-size: 0.82rem; color: var(--text-3); margin-bottom: 28px; flex-wrap: wrap; }
.page-hero__breadcrumb a { color: var(--text-2); transition: color 0.25s; }
.page-hero__breadcrumb a:hover { color: var(--accent-blue-soft); }

/* ==========================================================================
   Checklist (zakres audytu / listy funkcji)
   ========================================================================== */

.checklist { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 32px; }
.checklist--single { grid-template-columns: 1fr; }
.checklist__item {
    display: flex; align-items: flex-start; gap: 13px;
    color: var(--text-1); font-size: 0.95rem;
    line-height: 1.5;
}
.checklist__icon {
    flex-shrink: 0; width: 20px; height: 20px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--accent-blue-soft);
    margin-top: 2px;
}
.checklist__icon .icon { width: 15px; height: 15px; }

.audit-block {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 44px 42px;
    transition: border-color 0.4s var(--ease);
}
.audit-block:hover { border-color: var(--border-strong); }
.audit-block__head { margin-bottom: 32px; max-width: 640px; }
.audit-block__head h3 { font-size: 1.3rem; margin-bottom: 12px; letter-spacing: -0.01em; }
.audit-block__head p { color: var(--text-2); font-size: 0.95rem; line-height: 1.65; }
.audit-blocks { display: flex; flex-direction: column; gap: 20px; }

.roadmap-track { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.roadmap-step {
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px 26px;
    transition: border-color 0.35s var(--ease);
}
.roadmap-step:hover { border-color: var(--border-strong); }
.roadmap-step__label { display: inline-block; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-3); margin-bottom: 14px; }
.roadmap-step__title { font-size: 1.02rem; margin-bottom: 10px; }
.roadmap-step__desc { color: var(--text-2); font-size: 0.89rem; line-height: 1.6; }

.cta-panel {
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 64px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-panel::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(91,109,255,0.12), transparent 60%);
    pointer-events: none;
}
.cta-panel h2 { position: relative; font-size: clamp(1.6rem, 3vw, 2.15rem); margin-bottom: 16px; letter-spacing: -0.02em; }
.cta-panel p { position: relative; color: var(--text-2); font-size: 1.02rem; margin-bottom: 34px; max-width: 520px; margin-left: auto; margin-right: auto; line-height: 1.7; }
.cta-panel .btn--primary { position: relative; }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero { padding: 200px 0 130px; position: relative; z-index: 1; }
.hero__inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: center; }
.hero__title { font-size: clamp(2.5rem, 4.4vw, 3.75rem); margin-bottom: 26px; letter-spacing: -0.025em; }
.hero__subtitle { font-size: 1.15rem; color: var(--text-2); max-width: 500px; margin-bottom: 44px; line-height: 1.7; }
.hero__actions { display: flex; gap: 14px; margin-bottom: 64px; flex-wrap: wrap; }
.hero__stats { display: flex; gap: 44px; }
.hero__stat { display: flex; flex-direction: column; }
.hero__stat-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.6rem; font-weight: 600; color: var(--text-0);
    letter-spacing: -0.01em;
}
.hero__stat-label { font-size: 0.82rem; color: var(--text-3); margin-top: 5px; }

/* --- Hero visual: a single quiet abstract composition, not a literal
   dashboard/code-editor mockup collage — kept intentionally minimal so the
   page reads as a small premium studio rather than a generic SaaS agency. */
.hero__visual { position: relative; }
.tech-scene {
    position: relative;
    height: 460px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-orb {
    position: absolute;
    width: 280px; height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, rgba(91,109,255,0.35), rgba(155,91,255,0.14) 45%, transparent 72%);
    filter: blur(6px);
    animation: orbPulse 8s ease-in-out infinite;
}
@keyframes orbPulse { 0%, 100% { transform: scale(1); opacity: 0.9; } 50% { transform: scale(1.06); opacity: 1; } }

.orbit-ring {
    position: absolute;
    border: 1px solid var(--border);
    border-radius: 50%;
}
.orbit-ring--1 { width: 360px; height: 360px; animation: spin 70s linear infinite; }
.orbit-ring--2 { width: 440px; height: 440px; border-style: dashed; opacity: 0.5; animation: spin 100s linear infinite reverse; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.hero-node {
    position: absolute;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent-blue-soft);
    box-shadow: 0 0 14px 3px rgba(91,109,255,0.45);
}
.hero-node--1 { top: 14%; left: 22%; }
.hero-node--2 { bottom: 18%; right: 14%; background: var(--accent-violet-soft); box-shadow: 0 0 14px 3px rgba(155,91,255,0.4); }

.floating-card {
    position: absolute;
    background: rgba(15, 15, 24, 0.75);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-card);
    padding: 20px 22px;
    animation: floatY 8s ease-in-out infinite;
}
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

.floating-card--metric { bottom: 10%; left: 2%; width: 200px; }
.floating-card__metric-head { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.floating-card__metric-dot { width: 6px; height: 6px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 8px 2px rgba(74,222,128,0.5); }
.floating-card__metric-label { font-size: 0.78rem; color: var(--text-2); }
.floating-card__metric-value { display: block; font-family: 'Space Grotesk', sans-serif; font-size: 1.35rem; font-weight: 600; color: var(--text-0); letter-spacing: -0.01em; }

/* ==========================================================================
   Services
   ========================================================================== */

.card--service {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 38px 32px;
    position: relative;
    overflow: hidden;
    transition: transform 0.45s var(--ease), border-color 0.45s var(--ease), background 0.45s var(--ease);
}
.card--service:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    background: var(--surface-2);
}
.card--service__icon {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    color: var(--accent-blue-soft);
    margin-bottom: 28px;
    transition: color 0.4s var(--ease);
}
.card--service__icon .icon { width: 26px; height: 26px; }
.card--service:hover .card--service__icon { color: var(--text-0); }
.card--service__title { font-size: 1.15rem; margin-bottom: 12px; position: relative; z-index: 1; letter-spacing: -0.01em; }
.card--service__desc { color: var(--text-2); font-size: 0.94rem; line-height: 1.65; position: relative; z-index: 1; }
.card--service__arrow {
    position: absolute; bottom: 30px; right: 30px;
    width: 30px; height: 30px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-3);
    opacity: 0; transform: translate(-4px, 0);
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), color 0.4s var(--ease);
}
.card--service__arrow .icon { width: 16px; height: 16px; }
.card--service:hover .card--service__arrow { opacity: 1; transform: translate(0,0); color: var(--accent-blue-soft); }

/* ==========================================================================
   Features (Dlaczego my)
   ========================================================================== */

.feature { display: flex; gap: 20px; }
.feature__icon {
    flex-shrink: 0;
    width: 22px; height: 22px;
    display: flex; align-items: center; justify-content: center;
    color: var(--accent-blue-soft);
    margin-top: 2px;
}
.feature__icon .icon { width: 20px; height: 20px; }
.feature__title { font-size: 1.02rem; margin-bottom: 8px; letter-spacing: -0.01em; }
.feature__desc { color: var(--text-2); font-size: 0.92rem; line-height: 1.6; }

/* ==========================================================================
   Process
   ========================================================================== */

.process-track {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.process-step {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 30px 26px;
    position: relative;
    transition: border-color 0.35s var(--ease), transform 0.35s var(--ease);
}
.process-step:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.process-step__number {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem; font-weight: 600;
    color: var(--text-3);
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}
.process-step__title { font-size: 1.08rem; margin-bottom: 10px; letter-spacing: -0.01em; }
.process-step__desc { color: var(--text-2); font-size: 0.92rem; line-height: 1.6; }

/* ==========================================================================
   Portfolio
   ========================================================================== */

.portfolio-card-link { display: block; }
.portfolio-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.portfolio-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.portfolio-card__media { aspect-ratio: 16/10; overflow: hidden; background: var(--bg-2); }
.portfolio-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.portfolio-card:hover .portfolio-card__media img { transform: scale(1.05); }
.portfolio-card__body { padding: 26px; }
.portfolio-card__title { font-size: 1.15rem; margin-bottom: 8px; }
.portfolio-card__desc { color: var(--text-2); font-size: 0.92rem; margin-bottom: 16px; }
.portfolio-card__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
    font-size: 0.73rem; font-weight: 500;
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.03);
    color: var(--text-2);
    border: 1px solid var(--border-strong);
}

/* ==========================================================================
   Technologies
   ========================================================================== */

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 18px;
}
.tech-badge {
    display: flex; flex-direction: column; align-items: center; gap: 12px;
    padding: 26px 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}
.tech-badge:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.tech-badge__glyph {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600; font-size: 1rem;
    width: 48px; height: 48px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-1);
    border: 1px solid var(--border);
    color: var(--text-1);
}
.tech-badge__name { font-size: 0.85rem; color: var(--text-2); font-weight: 500; }

/* ==========================================================================
   Testimonials
   ========================================================================== */

.testimonial {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    display: flex; flex-direction: column;
}
.testimonial__quote { color: var(--text-3); margin-bottom: 18px; }
.testimonial__quote .icon { width: 24px; height: 24px; }
.testimonial__content { color: var(--text-1); font-size: 0.98rem; line-height: 1.65; margin-bottom: 26px; flex-grow: 1; }
.testimonial__author { display: flex; align-items: center; gap: 14px; }
.testimonial__avatar {
    width: 40px; height: 40px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-1);
    border: 1px solid var(--border-strong);
    color: var(--text-0); font-weight: 600; font-family: 'Space Grotesk', sans-serif;
    flex-shrink: 0;
}
.testimonial__author strong { display: block; font-size: 0.92rem; color: var(--text-0); }
.testimonial__author span { font-size: 0.8rem; color: var(--text-3); }

/* ==========================================================================
   Blog / Baza wiedzy
   ========================================================================== */

.blog-filters { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 48px; }
.blog-filter {
    display: inline-flex; align-items: center;
    padding: 9px 18px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-strong);
    background: rgba(255,255,255,0.03);
    color: var(--text-2);
    font-size: 0.85rem; font-weight: 500;
    transition: border-color 0.25s, color 0.25s, background 0.25s;
}
.blog-filter:hover { color: var(--text-0); border-color: var(--border-strong); }
.blog-filter.is-active { background: var(--text-0); color: var(--bg-0); border-color: transparent; }

.grid--blog { grid-template-columns: repeat(3, 1fr); }
.blog-card {
    display: flex; flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.blog-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.blog-card__media { aspect-ratio: 16/10; overflow: hidden; background: var(--bg-2); }
.blog-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.blog-card:hover .blog-card__media img { transform: scale(1.05); }
.blog-card__body { padding: 24px; display: flex; flex-direction: column; gap: 10px; flex-grow: 1; }
.blog-card__category { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--accent-blue-soft); }
.blog-card__title { font-size: 1.08rem; line-height: 1.35; }
.blog-card__excerpt { color: var(--text-2); font-size: 0.9rem; flex-grow: 1; }
.blog-card__meta { display: flex; gap: 14px; font-size: 0.78rem; color: var(--text-3); margin-top: 6px; }

.empty-note { text-align: center; color: var(--text-3); padding: 40px 0; }

/* ---------- Article page ---------- */
.article-hero { padding: 170px 0 60px; }
.article-hero__inner { max-width: 780px; margin: 0 auto; }
.article-hero__category { display: inline-block; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--accent-blue-soft); margin-bottom: 16px; }
.article-hero__title { font-size: clamp(2rem, 3.6vw, 2.8rem); margin-bottom: 20px; }
.article-hero__excerpt { color: var(--text-2); font-size: 1.05rem; margin-bottom: 24px; }
.article-hero__meta { display: flex; gap: 20px; flex-wrap: wrap; color: var(--text-3); font-size: 0.85rem; }
.article-hero__meta span { display: flex; align-items: center; gap: 6px; }

.article-media { max-width: 900px; margin: 0 auto 10px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); }
.article-media img { width: 100%; aspect-ratio: 16/8; object-fit: cover; }

.article-layout { max-width: 780px; margin: 0 auto; padding: 60px 0; }
.article-toc {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px 26px;
    margin-bottom: 44px;
}
.article-toc h2 { font-size: 0.95rem; margin-bottom: 14px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-2); }
.article-toc ol { list-style: none; display: flex; flex-direction: column; gap: 9px; counter-reset: toc; }
.article-toc li { font-size: 0.92rem; }
.article-toc li a { color: var(--accent-blue-soft); }
.article-toc li a:hover { text-decoration: underline; }
.article-toc li.toc-level-3 { padding-left: 20px; }

.article-body { color: var(--text-1); font-size: 1.02rem; line-height: 1.8; }
.article-body h2 { font-size: 1.5rem; margin: 40px 0 16px; }
.article-body h3 { font-size: 1.2rem; margin: 30px 0 12px; }
.article-body p { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 0 0 18px 22px; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--text-0); }
.article-body a { color: var(--accent-blue-soft); text-decoration: underline; text-decoration-color: rgba(125,139,255,0.3); }
.article-body blockquote { border-left: 2px solid var(--border-strong); padding-left: 18px; color: var(--text-2); margin: 22px 0; font-style: italic; }

.article-inline-cta {
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    padding: 28px 30px;
    margin: 36px 0;
    display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
}
.article-inline-cta p { margin: 0; color: var(--text-1); font-weight: 500; font-size: 0.96rem; }

.article-faq { margin-top: 50px; }
.article-faq h2 { font-size: 1.4rem; margin-bottom: 20px; }

.article-related { margin-top: 60px; }
.article-related h2 { font-size: 1.3rem; margin-bottom: 24px; }
.article-related .grid--blog { grid-template-columns: repeat(3, 1fr); }

/* ==========================================================================
   FAQ
   ========================================================================== */

.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; }
.faq-item {
    border-bottom: 1px solid var(--border);
    transition: border-color 0.3s var(--ease);
}
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-item__question {
    width: 100%;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 26px 4px;
    text-align: left;
    color: var(--text-0);
    font-size: 1rem;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    transition: color 0.25s;
}
.faq-item:hover .faq-item__question { color: var(--text-0); }
.faq-item__icon {
    flex-shrink: 0;
    width: 22px; height: 22px;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-3);
    transition: transform 0.35s var(--ease), color 0.35s var(--ease);
}
.faq-item__icon .icon { width: 15px; height: 15px; }
.faq-item.is-open .faq-item__icon { transform: rotate(45deg); color: var(--accent-blue-soft); }
.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease);
}
.faq-item__answer p { color: var(--text-2); font-size: 0.95rem; line-height: 1.7; padding: 0 4px 26px; max-width: 600px; }
.faq-item.is-open .faq-item__answer { max-height: 400px; }

/* ==========================================================================
   Contact
   ========================================================================== */

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-list { margin-top: 32px; display: flex; flex-direction: column; gap: 18px; }
.contact-list li { display: flex; align-items: center; gap: 14px; color: var(--text-1); font-size: 0.95rem; }
.contact-list__icon {
    width: 38px; height: 38px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-1); border: 1px solid var(--border);
    color: var(--text-2); flex-shrink: 0;
}
.contact-list__icon .icon { width: 18px; height: 18px; }

.contact-form-wrap {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-card);
}
.form-row { margin-bottom: 20px; display: flex; flex-direction: column; gap: 8px; }
.form-row label { font-size: 0.85rem; color: var(--text-2); font-weight: 500; }
.form-row input, .form-row textarea {
    background: var(--bg-1);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 13px 16px;
    color: var(--text-0);
    font-size: 0.95rem;
    resize: vertical;
    transition: border-color 0.25s, box-shadow 0.25s;
}
.form-row input:focus, .form-row textarea:focus {
    outline: none;
    border-color: var(--border-strong);
    box-shadow: 0 0 0 3px rgba(255,255,255,0.04);
}
.form-status { margin-top: 14px; font-size: 0.88rem; text-align: center; min-height: 20px; }
.form-status.success { color: #7ee7c7; }
.form-status.error { color: #ff8a8a; }

/* ==========================================================================
   Footer
   ========================================================================== */

.footer { padding: 90px 0 30px; border-top: 1px solid var(--border); position: relative; z-index: 1; }
.footer__inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 60px; padding-bottom: 60px; }
.footer__brand p { color: var(--text-2); margin: 20px 0 24px; max-width: 380px; font-size: 0.92rem; }
.footer__social { display: flex; gap: 20px; }
.footer__social a { font-size: 0.88rem; color: var(--text-2); transition: color 0.25s; }
.footer__social a:hover { color: var(--accent-blue-soft); }
.footer__cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.footer__col { display: flex; flex-direction: column; gap: 12px; }
.footer__col h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-3); margin-bottom: 6px; }
.footer__col a, .footer__col span { color: var(--text-2); font-size: 0.9rem; }
.footer__col a:hover { color: var(--accent-blue-soft); }
.footer__bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 28px; border-top: 1px solid var(--border);
    font-size: 0.82rem; color: var(--text-3);
}
.footer__admin-link { color: var(--text-3); transition: color 0.25s; }
.footer__admin-link:hover { color: var(--accent-blue-soft); }

/* ==========================================================================
   Icons
   ========================================================================== */

.icon { width: 20px; height: 20px; display: inline-block; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .hero__inner { grid-template-columns: 1fr; }
    .hero__visual { order: -1; }
    .tech-scene { height: 320px; }
    .grid--services, .grid--features, .grid--testimonials { grid-template-columns: repeat(2, 1fr); }
    .process-track { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer__inner { grid-template-columns: 1fr; gap: 40px; }
    .roadmap-track { grid-template-columns: 1fr; }
    .grid--blog, .article-related .grid--blog { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 780px) {
    .navbar__links { position: fixed; top: 68px; left: 0; right: 0; background: rgba(7,7,13,0.97); backdrop-filter: blur(16px); flex-direction: column; padding: 24px 28px; gap: 20px; border-bottom: 1px solid var(--border); transform: translateY(-12px); opacity: 0; pointer-events: none; transition: opacity 0.3s, transform 0.3s; }
    .navbar__links.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
    .navbar__cta { display: none; }
    .navbar__toggle { display: block; }
    .navbar__toggle.is-open .icon--open { display: none; }
    .navbar__toggle.is-open .icon--close { display: block; }
    .hero { padding: 150px 0 80px; }
    .hero__stats { flex-wrap: wrap; gap: 24px; }
    .grid--services, .grid--features, .grid--testimonials, .grid--portfolio, .process-track { grid-template-columns: 1fr; }
    .footer__cols { grid-template-columns: 1fr; }
    .checklist { grid-template-columns: 1fr; }
    .audit-block { padding: 26px; }
    .cta-panel { padding: 40px 26px; }
    .grid--blog, .article-related .grid--blog { grid-template-columns: 1fr; }
    .article-inline-cta { flex-direction: column; align-items: flex-start; }
    .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }
    .contact-form-wrap { padding: 28px; }
    .tech-scene { height: 260px; }
    .hero-orb { width: 200px; height: 200px; }
    .orbit-ring--1 { width: 260px; height: 260px; }
    .orbit-ring--2 { width: 320px; height: 320px; }
    .floating-card--metric { display: none; }
}

@media (max-width: 480px) {
    .container { padding: 0 20px; }
    .hero__actions { flex-direction: column; }
    .hero__actions .btn { width: 100%; }
}