/* pryazhnikov-ai.ru — Unified Stylesheet v3.0 */
/* Professional Tech Design: dark navy + blue accent */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');

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

:root {
  --bg: #0b1120;
  --bg-2: #111827;
  --card: #1e293b;
  --border: #334155;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --dim: #64748b;
  --blue: #3b82f6;
  --emerald: #10b981;
  --amber: #f59e0b;
  --red: #ef4444;
  --accent-cyan: #38bdf8;
  --accent-blue: #3b82f6;
  --accent-green: #34d399;
  --accent-orange: #fb923c;
  --gold: #d4af37;
  --bg-secondary: #111827;
  --bg-tertiary: #1e293b;
  --border-subtle: #334155;
  --mono: 'JetBrains Mono', 'Cascadia Code', 'Consolas', monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body { font-family: var(--sans); background: var(--bg); color: var(--text); line-height: 1.6; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ========== NAV ========== */
nav { background: rgba(17,24,39,0.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); padding: 14px 0; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
nav ul { display: flex; justify-content: center; gap: 28px; list-style: none; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; font-weight: 500; font-size: 0.9rem; transition: color 0.2s; }
nav a:hover { color: var(--text); }
nav a.active { color: var(--blue); }

/* ========== HERO ========== */
.hero { min-height: 90vh; display: flex; align-items: center; background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: -30%; background: radial-gradient(circle, rgba(59,130,246,0.07) 0%, transparent 60%); animation: heroPulse 8s ease-in-out infinite; }
@keyframes heroPulse { 0%,100% { transform: scale(1); opacity: 0.5; } 50% { transform: scale(1.05); opacity: 1; } }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; width: 100%; }
.hero .tag { display: inline-block; font-family: var(--mono); font-size: 0.8rem; color: var(--emerald); border: 1px solid rgba(16,185,129,0.3); padding: 6px 14px; border-radius: 999px; margin-bottom: 20px; background: rgba(16,185,129,0.06); }
.hero h1 { font-size: 3rem; font-weight: 800; line-height: 1.15; margin-bottom: 0.5rem; color: var(--text); }
.hero h1 .accent { color: var(--blue); }
.hero .subtitle { font-size: 1.25rem; color: var(--muted); margin-bottom: 0.5rem; font-weight: 500; }
.hero .description { font-size: 1.05rem; color: var(--muted); max-width: 540px; margin-bottom: 2rem; line-height: 1.7; }
.hero .description strong { color: var(--text); }
.hero-content { text-align: left; }

/* ========== BUTTONS ========== */
.btn { display: inline-block; padding: 13px 32px; margin: 0 10px 10px 0; background: var(--blue); color: #fff; text-decoration: none; border-radius: 8px; font-weight: 600; font-size: 0.95rem; transition: all 0.2s; border: none; cursor: pointer; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(59,130,246,0.3); background: #2563eb; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--muted); }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); background: transparent; box-shadow: none; transform: translateY(-1px); }

/* ========== TERMINAL ========== */
.terminal { background: var(--card); border: 1px solid var(--border); border-radius: 12px; box-shadow: 0 20px 60px rgba(0,0,0,0.4); overflow: hidden; }
.terminal-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: rgba(0,0,0,0.3); border-bottom: 1px solid var(--border); }
.terminal-bar .dot { width: 12px; height: 12px; border-radius: 50%; }
.terminal-bar .dot:nth-child(1) { background: #ef4444; }
.terminal-bar .dot:nth-child(2) { background: #f59e0b; }
.terminal-bar .dot:nth-child(3) { background: #10b981; }
.terminal-bar .title { margin-left: 12px; font-family: var(--mono); font-size: 0.8rem; color: var(--dim); }
.terminal pre { padding: 20px; font-family: var(--mono); font-size: 0.85rem; line-height: 1.7; overflow-x: auto; color: #e2e8f0; }
.terminal .c { color: var(--dim); }
.terminal .k { color: var(--blue); }
.terminal .s { color: var(--emerald); }
.terminal .p { color: var(--amber); }
.cursor { display: inline-block; width: 8px; height: 16px; background: var(--blue); vertical-align: text-bottom; animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ========== SECTIONS ========== */
section { padding: 80px 0; }
section h2 { font-size: 2.2rem; margin-bottom: 1rem; text-align: center; font-weight: 700; color: var(--text); }
section h2 .accent { color: var(--blue); }
section .section-sub { text-align: center; color: var(--muted); margin-bottom: 3rem; max-width: 600px; margin-left: auto; margin-right: auto; }
.alt { background: var(--bg-2); }

/* ========== STATS ========== */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 0; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; text-align: center; }
.stat .num { font-family: var(--mono); font-size: 2rem; color: var(--blue); font-weight: 700; }
.stat .lbl { font-size: 0.85rem; color: var(--muted); margin-top: 4px; }

/* ========== ABOUT ========== */
.about-content { display: flex; gap: 50px; align-items: center; max-width: 1000px; margin: 0 auto; }
.about-photo { flex-shrink: 0; width: 280px; height: 280px; border-radius: 16px; object-fit: cover; border: 2px solid var(--border); }
.about-text { font-size: 1.05rem; color: var(--muted); line-height: 1.8; }
.about-text p { margin-bottom: 1.2rem; }
.about-text strong { color: var(--text); }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 25px; }
.about-stats .stat .num { font-size: 1.6rem; }
.about-stats .stat .lbl { font-size: 0.8rem; }

/* ========== BIO ========== */
.bio-photo { float: left; width: 240px; height: 240px; object-fit: cover; border-radius: 16px; border: 2px solid var(--border); margin: 0 30px 20px 0; }
.bio-text { font-size: 1.05rem; color: var(--muted); }
.bio-text p { margin-bottom: 1.2rem; }
.bio-text strong { color: var(--text); }

/* ========== SKILLS / STACK ========== */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.skill-cat { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; }
.skill-cat h3 { color: var(--blue); font-family: var(--mono); font-size: 1rem; margin-bottom: 14px; text-transform: lowercase; }
.skill-cat h3::before { content: ''; }
.stack-cats { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.stack-cat { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; }
.stack-cat h3 { color: var(--blue); font-family: var(--mono); font-size: 1rem; margin-bottom: 14px; text-transform: lowercase; }
.stack-cat h3::before { content: ''; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; }
.badge { font-size: 0.85rem; padding: 5px 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg-2); color: var(--text); font-family: var(--mono); font-size: 0.8rem; }
.badge.hot { border-color: rgba(59,130,246,0.5); color: var(--blue); }
.badge.gold { border-color: rgba(16,185,129,0.5); color: var(--emerald); }

/* ========== SERVICES ========== */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.service-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 26px; transition: all 0.2s; }
.service-card:hover { transform: translateY(-3px); border-color: var(--blue); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.service-card .ico { font-size: 1rem; margin-bottom: 0.7rem; font-family: var(--mono); font-weight: 700; color: var(--blue); width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; background: rgba(59,130,246,0.1); border-radius: 8px; }
.service-card h3 { font-size: 1.1rem; margin-bottom: 0.6rem; color: var(--text); font-weight: 600; }
.service-card p { color: var(--muted); font-size: 0.95rem; line-height: 1.6; }
.services-note { text-align: center; color: var(--dim); margin-top: 2rem; font-size: 0.95rem; }
.services-note a { color: var(--blue); text-decoration: none; font-weight: 600; }
.services-note a:hover { text-decoration: underline; }

/* ========== PROJECTS ========== */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; }
.project-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 28px; display: flex; flex-direction: column; transition: all 0.2s; }
.project-card:hover { transform: translateY(-3px); border-color: var(--blue); box-shadow: 0 8px 32px rgba(0,0,0,0.3); }
.project-card .ico-num { font-family: var(--mono); font-weight: 700; color: var(--blue); font-size: 1.5rem; margin-bottom: 0.8rem; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: rgba(59,130,246,0.1); border-radius: 8px; }
.project-card .emoji { display: none; }
.project-card h3 { font-size: 1.3rem; margin-bottom: 0.5rem; color: var(--text); font-weight: 700; }
.project-card .stack { font-family: var(--mono); font-size: 0.8rem; color: var(--blue); margin-bottom: 0.8rem; }
.project-card .role { color: var(--emerald); font-weight: 600; font-family: var(--mono); font-size: 0.8rem; margin-bottom: 0.4rem; }
.project-card p { color: var(--muted); margin-bottom: 1rem; flex-grow: 1; font-size: 0.95rem; line-height: 1.6; }
.project-card a { color: var(--blue); text-decoration: none; font-weight: 600; font-size: 0.9rem; }
.project-card a:hover { text-decoration: underline; }

/* ========== CASE ========== */
.case { margin-top: 40px; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 36px; }
.case h2 { color: var(--text); font-size: 1.6rem; margin-bottom: 1.2rem; text-align: left; }
.case-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.case-item h3 { color: var(--blue); font-family: var(--mono); font-size: 0.9rem; margin-bottom: 0.5rem; text-transform: uppercase; letter-spacing: 0.5px; }
.case-item p { color: var(--muted); font-size: 0.95rem; }
.case-item strong { color: var(--text); }

/* ========== CONTACT ========== */
.contact { text-align: center; }
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; max-width: 900px; margin: 2rem auto 0; }
.contact-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; text-align: center; transition: all 0.2s; }
.contact-card:hover { transform: translateY(-3px); border-color: var(--blue); }
.contact-card .ico { font-size: 1.2rem; margin-bottom: 0.5rem; color: var(--blue); font-family: var(--mono); font-weight: 700; }
.contact-card h3 { color: var(--text); margin-bottom: 0.5rem; font-size: 1rem; font-weight: 600; }
.contact-card a { color: var(--muted); text-decoration: none; font-weight: 500; word-break: break-word; font-size: 0.95rem; }
.contact-card a:hover { color: var(--blue); }
.contact-links { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-top: 2rem; }
.contact-links a { color: var(--blue); text-decoration: none; font-size: 1rem; padding: 10px 22px; border: 1px solid var(--border); border-radius: 8px; transition: all 0.2s; font-weight: 500; }
.contact-links a:hover { border-color: var(--blue); background: rgba(59,130,246,0.06); }
.contact-cta { font-family: var(--mono); color: var(--dim); margin-top: 1.5rem; font-size: 0.9rem; }
.location { text-align: center; color: var(--muted); font-size: 1.1rem; margin-top: 2rem; }
.location .mono { font-family: var(--mono); color: var(--dim); font-size: 0.85rem; }

/* ========== CTA ========== */
.cta { text-align: center; background: var(--bg-2); margin-top: 40px; padding: 50px 0; border-radius: 12px; }
.cta h2 { color: var(--text); font-size: 1.8rem; margin-bottom: 1rem; }
.cta p { color: var(--muted); margin-bottom: 2rem; }

/* ========== PAGE HEADER ========== */
.page-header { padding: 80px 0 40px; text-align: center; background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%); border-bottom: 1px solid var(--border); }
.page-header h1 { font-size: 2.5rem; font-weight: 800; color: var(--text); }
.page-header h1 .accent { color: var(--blue); }
.page-header .subtitle { color: var(--muted); font-size: 1.15rem; margin-top: 0.5rem; }
.page-header .tag { display: inline-block; font-family: var(--mono); font-size: 0.8rem; color: var(--emerald); border: 1px solid rgba(16,185,129,0.3); padding: 5px 14px; border-radius: 999px; margin-top: 1rem; background: rgba(16,185,129,0.06); }

/* ========== TIMELINE ========== */
ul.timeline { list-style: none; max-width: 800px; margin: 0 auto; }
ul.timeline li { padding: 14px 0; border-bottom: 1px solid var(--border); color: var(--muted); line-height: 1.7; }
ul.timeline li::before { content: ''; }
ul.timeline li strong { color: var(--text); }

/* ========== ACHIEVEMENTS ========== */
ul.achievements { list-style: none; max-width: 800px; margin: 0 auto; }
ul.achievements li { padding: 12px 0; border-bottom: 1px solid var(--border); color: var(--muted); }
ul.achievements li::before { content: ''; }

/* ========== VALUES ========== */
.values { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.value-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 22px; }
.value-card h3 { color: var(--text); font-size: 1.05rem; margin-bottom: 0.5rem; font-weight: 600; }
.value-card p { color: var(--muted); font-size: 0.95rem; }

/* ========== PROCESS ========== */
.process { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.step { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; }
.step .n { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1rem; margin-bottom: 14px; background: var(--blue); color: #fff; font-family: var(--mono); }
.step h3 { font-size: 1.05rem; margin-bottom: 0.4rem; color: var(--text); font-weight: 600; }
.step p { color: var(--muted); font-size: 0.93rem; line-height: 1.6; }

/* ========== STUDIO ========== */
.studio { background: var(--bg-2); border-top: 1px solid var(--border); padding: 70px 0; }
.studio-inner { max-width: 720px; margin: 0 auto; text-align: center; }
.studio .tandem-wrap { width: 200px; margin: 0 auto 26px; background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 14px; }
.studio .tandem { width: 100%; height: auto; display: block; border-radius: 8px; filter: drop-shadow(0 0 20px rgba(59,130,246,0.15)); }
.hero .tandem-wrap { width: 230px; margin: 0 auto 24px; background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 14px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5); }
.hero .tandem-wrap img { width: 100%; height: auto; display: block; border-radius: 8px; filter: drop-shadow(0 0 20px rgba(59,130,246,0.15)); }
.studio .about-studio { color: var(--muted); font-size: 1.05rem; line-height: 1.8; max-width: 620px; margin: 0 auto 1.2rem; }
.studio .about-studio strong { color: var(--text); }
.studio .brand-line { color: var(--dim); font-family: var(--mono); font-size: 0.85rem; }
.studio h2 { margin-bottom: 1rem; }

/* ========== STUDIO HERO ========== */
.hero-inner { display: flex; flex-direction: column; align-items: center; text-align: center; position: relative; z-index: 1; }
.hero-inner h1 { text-align: center; margin-bottom: 0.5rem; }
.hero h1 .brand { color: var(--blue); }
.hero h1 .brand2 { color: var(--emerald); }
.hero h1 .amp { color: var(--dim); }
.hero .slogan { font-family: var(--mono); color: var(--blue); letter-spacing: 2px; text-transform: uppercase; font-size: 0.85rem; margin-bottom: 1rem; }
.hero-inner .lead { color: var(--muted); font-size: 1.15rem; max-width: 680px; margin: 0 auto 0.7rem; line-height: 1.65; }
.hero-inner .lead strong { color: var(--text); }
.hero-inner .sub-lead { color: var(--muted); max-width: 640px; margin: 0 auto 1.8rem; }
.hero-inner .btn { margin: 6px 8px; }
.hero-note { margin-top: 16px; color: var(--dim); font-size: 0.92rem; }
.hero-note a { color: var(--blue); text-decoration: none; font-weight: 500; }
.hero-note a:hover { text-decoration: underline; }

/* ========== JA BADGE ========== */
.ja-badge { display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--border); text-decoration: none; margin-bottom: 22px; transition: border-color 0.2s, box-shadow 0.2s; }
.ja-badge:hover { border-color: var(--blue); box-shadow: 0 0 16px rgba(59,130,246,0.15); }
.ja-mark { font-size: 12px; font-weight: 800; letter-spacing: 0.5px; color: #fff; padding: 3px 8px; border-radius: 6px; background: var(--blue); }
.ja-label { font-size: 12px; color: var(--muted); }

/* ========== TANDEM BOXES ========== */
.tandem-boxes { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 760px; margin: 30px auto 0; }
.tandem-box { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; }
.tandem-box h3 { font-size: 1.1rem; margin-bottom: 0.6rem; color: var(--text); font-weight: 600; }
.tandem-box p { color: var(--muted); font-size: 0.95rem; line-height: 1.7; }

/* ========== ABOUT STUDIO ========== */
.about-studio { max-width: 760px; margin: 0 auto; text-align: center; }
.about-studio p { color: var(--muted); font-size: 1.05rem; line-height: 1.85; margin-bottom: 1.2rem; }
.about-studio strong { color: var(--text); }

/* ========== ARTICLE / BLOG ========== */
.article-header { padding: 80px 0 40px; text-align: center; background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%); border-bottom: 1px solid var(--border); }
.article-header .tandem-wrap { width: 170px; margin: 0 auto 22px; background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 12px; }
.article-header .tandem { width: 100%; height: auto; display: block; border-radius: 8px; filter: drop-shadow(0 0 20px rgba(59,130,246,0.15)); }
.article-header .kicker { color: var(--blue); font-size: 0.8rem; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 12px; font-weight: 600; }
.article-header h1 { font-size: 2.2rem; line-height: 1.25; max-width: 680px; margin: 0 auto 14px; color: var(--text); }
.article-header h1 .red { color: var(--blue); }
.article-header h1 .gold { color: var(--emerald); }
.article-header .meta { color: var(--dim); font-size: 0.9rem; }
.article-header .meta a { color: var(--emerald); text-decoration: none; }
article { padding: 55px 0 70px; max-width: 820px; margin: 0 auto; }
article h2 { font-size: 1.5rem; color: var(--text); margin: 2rem 0 0.8rem; line-height: 1.3; text-align: left; }
article h3 { font-size: 1.1rem; color: var(--text); margin: 1.5rem 0 0.5rem; font-weight: 600; }
article p { margin-bottom: 1.1rem; color: var(--muted); line-height: 1.75; }
article p strong { color: var(--text); }
article p em { color: var(--dim); }
article .lead { font-size: 1.1rem; color: var(--text); line-height: 1.7; }
article blockquote { border-left: 3px solid var(--blue); background: var(--card); padding: 18px 22px; border-radius: 0 12px 12px 0; margin: 1.5rem 0; font-style: italic; color: var(--text); line-height: 1.7; }
.quote-tag { color: var(--emerald); font-style: normal; font-family: var(--mono); font-size: 0.85rem; display: block; margin-top: 8px; }
.author-box { display: flex; align-items: center; gap: 16px; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px 24px; margin-top: 2.5rem; }
.author-box .name { font-weight: 700; color: var(--text); }
.author-box .role { color: var(--muted); font-size: 0.9rem; }
.btn-article { display: inline-block; padding: 12px 28px; background: var(--blue); color: #fff; text-decoration: none; border-radius: 8px; font-weight: 600; margin-top: 10px; transition: all 0.2s; }
.btn-article:hover { background: #2563eb; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(59,130,246,0.3); }

/* ========== FOOTER ========== */
footer { text-align: center; padding: 32px 0; color: var(--dim); border-top: 1px solid var(--border); font-size: 0.85rem; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--blue); }

/* ========== WHAT WE DO ========== */
.mock-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.mock-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 20px; display: flex; flex-direction: column; transition: all 0.2s; }
.mock-card:hover { transform: translateY(-3px); border-color: var(--blue); box-shadow: 0 8px 32px rgba(0,0,0,0.3); }
.mock-frame { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: #0b1120; margin-bottom: 16px; }
.mock-bar { display: flex; gap: 5px; padding: 8px 10px; background: var(--bg-2); border-bottom: 1px solid var(--border); }
.mock-bar span { width: 8px; height: 8px; border-radius: 50%; background: var(--border); }
.mock-bar span:first-child { background: #ef4444; }
.mock-bar span:nth-child(2) { background: #f59e0b; }
.mock-bar span:nth-child(3) { background: #10b981; }
.mock-body { padding: 14px; min-height: 130px; display: flex; flex-direction: column; gap: 8px; }
.mock-nav { height: 10px; border-radius: 3px; background: rgba(148,163,184,0.2); margin-bottom: 4px; }
.mock-hero { flex: 1; border-radius: 6px; background: linear-gradient(135deg, rgba(59,130,246,0.25), rgba(16,185,129,0.12)); display: flex; align-items: center; justify-content: center; gap: 8px; padding: 0 10px; }
.mock-hero .mk { width: 45%; height: 8px; border-radius: 3px; background: rgba(241,245,249,0.6); }
.mock-hero .mk-btn { width: 24%; height: 16px; border-radius: 4px; background: var(--blue); }
.mock-cols { display: flex; gap: 8px; flex: 1; }
.mock-main { flex: 1; display: flex; flex-direction: column; gap: 7px; justify-content: center; }
.mock-side { width: 26%; background: rgba(148,163,184,0.16); border-radius: 4px; }
.mock-row { height: 10px; border-radius: 3px; background: rgba(148,163,184,0.16); }
.mock-txt { width: 70%; }
.mock-products { flex: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.mock-product { border-radius: 4px; background: rgba(148,163,184,0.14); }
.mock-bar-chart { flex: 1; display: flex; align-items: flex-end; gap: 6px; }
.mock-bar-chart i { flex: 1; border-radius: 3px 3px 0 0; background: rgba(59,130,246,0.6); min-height: 14px; }
.mock-bar-chart i:nth-child(odd) { background: rgba(16,185,129,0.55); }
.mock-chat { flex: 1; display: flex; flex-direction: column; gap: 8px; justify-content: flex-end; }
.mock-msg { max-width: 70%; height: 18px; border-radius: 9px; background: rgba(16,185,129,0.25); align-self: flex-start; }
.mock-msg:last-child { align-self: flex-end; background: rgba(59,130,246,0.3); }
.mock-form { display: flex; flex-direction: column; gap: 6px; }
.mock-input { height: 14px; border-radius: 4px; background: rgba(148,163,184,0.16); }
.mock-btn { height: 18px; width: 42%; border-radius: 4px; background: var(--blue); }
.mock-result { display: flex; align-items: center; justify-content: center; height: 34px; border-radius: 6px; background: rgba(245,158,11,0.22); margin-top: 2px; }
.mock-rbar { width: 45%; height: 10px; border-radius: 3px; background: rgba(245,158,11,0.75); }
.mock-niche { color: var(--muted); font-size: 0.85rem; margin-bottom: 8px; }
.mock-price { display: inline-block; font-family: var(--mono); font-size: 0.85rem; color: var(--emerald); border: 1px solid rgba(16,185,129,0.4); padding: 3px 10px; border-radius: 999px; margin-bottom: 12px; }
.mock-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; color: var(--text); font-weight: 700; }
.mock-card p { color: var(--muted); font-size: 0.95rem; line-height: 1.6; margin-bottom: 12px; flex-grow: 1; }
.mock-card .badges { margin-bottom: 12px; }
.mock-cta { color: var(--blue); text-decoration: none; font-weight: 600; font-size: 0.9rem; }
.mock-cta:hover { text-decoration: underline; }

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { min-height: auto; padding: 80px 0 60px; text-align: center; }
  .hero .description { margin: 0 auto 2rem; }
  .hero-content { text-align: center; }
  .about-content { flex-direction: column; text-align: center; }
  .about-photo { width: 220px; height: 220px; }
  .tandem-boxes { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .hero .subtitle { font-size: 1.05rem; }
  section h2 { font-size: 1.7rem; }
  .btn { display: block; margin: 8px auto; max-width: 260px; text-align: center; }
  .about-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .stat .num { font-size: 1.3rem; }
  .stat .lbl { font-size: 0.75rem; }
  nav ul { gap: 16px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .page-header h1 { font-size: 1.8rem; }
  .article-header h1 { font-size: 1.6rem; }
}