/* ============================================================
   Trading Bots Hub — Main Stylesheet
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --primary:        #00ffcc;
  --primary-dark:   #00c9a0;
  --primary-glow:   rgba(0, 255, 204, 0.3);
  --bg:             #0f172a;
  --surface:        #1e293b;
  --surface2:       #334155;
  --text:           #f8fafc;
  --text-2:         #94a3b8;
  --text-3:         #64748b;
  --accent:         #818cf8;
  --success:        #22c55e;
  --error:          #ef4444;
  --border:         rgba(148, 163, 184, 0.1);
  --border-accent:  rgba(0, 255, 204, 0.25);
  --radius-sm:      8px;
  --radius:         12px;
  --radius-lg:      20px;
  --shadow:         0 4px 24px rgba(0, 0, 0, 0.35);
  --shadow-glow:    0 0 30px rgba(0, 255, 204, 0.15);
  --transition:     all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font:           'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display:   'Space Grotesk', var(--font);
  --max-w:          1200px;
  --nav-h:          68px;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  line-height: 1.3;
  font-weight: 700;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
p  { margin-bottom: 1rem; }

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Layout ────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.section    { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }

/* ── Navbar ────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; width: 100%;
  height: var(--nav-h);
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 200;
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.4); }
.navbar .container { height: 100%; display: flex; align-items: center; justify-content: space-between; }

.logo { font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; color: var(--text); }
.logo span { color: var(--primary); }

.nav-links { display: flex; align-items: center; gap: 1.75rem; }
.nav-links a { color: var(--text-2); font-weight: 500; font-size: 0.9rem; }
.nav-links a:hover { color: var(--primary); }
.nav-links .btn-tg {
  background: var(--primary); color: var(--bg);
  padding: 0.45rem 1.1rem; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 0.85rem;
}
.nav-links .btn-tg:hover { background: var(--primary-dark); color: var(--bg); transform: translateY(-1px); }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: 6px; border-radius: var(--radius-sm); transition: var(--transition); }
.hamburger:hover { background: rgba(255,255,255,0.06); }
.hamburger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.3s ease, opacity 0.3s ease; transform-origin: center; }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.75rem; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 0.95rem;
  transition: var(--transition); cursor: pointer; border: none;
  text-decoration: none; white-space: nowrap;
}
.btn-lg   { padding: 1rem 2.25rem; font-size: 1.05rem; border-radius: var(--radius); }
.btn-sm   { padding: 0.45rem 1rem; font-size: 0.82rem; }

.btn-primary {
  background: var(--primary); color: var(--bg);
  box-shadow: 0 0 20px var(--primary-glow);
}
.btn-primary:hover {
  background: var(--primary-dark); color: var(--bg);
  transform: translateY(-2px); box-shadow: 0 0 35px var(--primary-glow);
}
.btn-outline {
  background: transparent; color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: var(--bg); transform: translateY(-2px); }
.btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }

.btn-pulse { animation: pulse 2.2s ease-in-out infinite; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 20px var(--primary-glow); }
  50%       { box-shadow: 0 0 45px rgba(0,255,204,0.55), 0 0 70px rgba(0,255,204,0.2); }
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: calc(var(--nav-h) + 3rem) 0 5rem;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 15% 55%, rgba(0,255,204,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 20%, rgba(129,140,248,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 90%, rgba(0,255,204,0.04) 0%, transparent 45%);
  animation: bgPulse 8s ease-in-out infinite alternate;
}
@keyframes bgPulse { from { opacity: .75; } to { opacity: 1; } }

.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,255,204,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,204,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content { position: relative; z-index: 1; max-width: 720px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: rgba(0,255,204,0.08); border: 1px solid rgba(0,255,204,0.3);
  color: var(--primary); padding: 0.4rem 1.1rem; border-radius: 50px;
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.03em;
  text-transform: uppercase; margin-bottom: 1.5rem;
}
.hero-badge::before {
  content: ''; width: 8px; height: 8px;
  background: var(--primary); border-radius: 50%;
  animation: blink 1.6s ease-in-out infinite;
}
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:.25; } }

.hero h1 { margin-bottom: 1.25rem; }
.hero p  { font-size: 1.15rem; color: var(--text-2); margin-bottom: 2.5rem; max-width: 560px; }

.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-stats { display: flex; gap: 2.5rem; margin-top: 3.5rem; flex-wrap: wrap; }
.hero-stat .num   { font-size: 1.8rem; font-weight: 800; color: var(--primary); line-height: 1; }
.hero-stat .label { font-size: 0.8rem; color: var(--text-3); margin-top: 0.2rem; }

/* ── Section Header ─────────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header .badge {
  display: inline-block; background: rgba(0,255,204,0.08); color: var(--primary);
  padding: 0.3rem 0.9rem; border-radius: 50px; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 1rem;
}
.section-header h2 { margin-bottom: 0.75rem; }
.section-header p  { color: var(--text-2); font-size: 1.05rem; max-width: 580px; margin: 0 auto; }

/* ── Features ───────────────────────────────────────────────── */
.features { background: var(--surface); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 1.5rem; }

.feature-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  transition: var(--transition); position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0; transition: var(--transition);
}
.feature-card:hover { border-color: var(--border-accent); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 52px; height: 52px; background: rgba(0,255,204,0.08);
  border-radius: var(--radius-sm); display: flex; align-items: center;
  justify-content: center; font-size: 1.4rem; margin-bottom: 1.25rem;
}
.feature-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.feature-card p  { color: var(--text-2); font-size: 0.92rem; margin: 0; }

/* ── Post Cards ─────────────────────────────────────────────── */
.posts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px,1fr)); gap: 1.5rem; }

.post-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: var(--transition); display: flex; flex-direction: column;
}
.post-card:hover { border-color: var(--border-accent); transform: translateY(-4px); box-shadow: var(--shadow-glow); }

.post-card-img {
  height: 190px; overflow: hidden;
  background: linear-gradient(135deg, var(--surface2) 0%, rgba(0,255,204,0.07) 100%);
  display: flex; align-items: center; justify-content: center; font-size: 3rem;
}
.post-card-img img { width:100%; height:100%; object-fit:cover; transition: transform 0.4s ease; }
.post-card:hover .post-card-img img { transform: scale(1.05); }

.post-card-body { padding: 1.4rem; flex: 1; display: flex; flex-direction: column; }
.post-card-meta { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.7rem; flex-wrap: wrap; }

.tag {
  background: rgba(0,255,204,0.1); color: var(--primary);
  padding: 0.15rem 0.55rem; border-radius: 4px; font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.post-date { color: var(--text-3); font-size: 0.78rem; }

.post-card h3 { font-size: 1.05rem; margin-bottom: 0.65rem; line-height: 1.4; }
.post-card h3 a { color: var(--text); }
.post-card h3 a:hover { color: var(--primary); }
.post-card > .post-card-body > p {
  color: var(--text-2); font-size: 0.88rem; flex: 1; margin: 0 0 1.1rem;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.read-more { color: var(--primary); font-size: 0.87rem; font-weight: 700; display: inline-flex; align-items: center; gap: 0.3rem; }
.read-more::after { content: '→'; transition: transform 0.2s; }
.read-more:hover::after { transform: translateX(4px); }

/* ── Blog Page ──────────────────────────────────────────────── */
.blog-header {
  padding: calc(var(--nav-h) + 3rem) 0 3rem;
  text-align: center; background: var(--surface); border-bottom: 1px solid var(--border);
}
.blog-header h1 { margin-bottom: 0.5rem; }
.blog-header p  { color: var(--text-2); max-width: 500px; margin: 0 auto; }

.blog-controls { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; margin-bottom: 2.5rem; }

.search-wrap { flex: 1; min-width: 220px; position: relative; }
.search-wrap svg { position: absolute; left: 0.9rem; top: 50%; transform: translateY(-50%); color: var(--text-3); pointer-events: none; }
.search-wrap input {
  width: 100%; background: var(--surface); border: 1px solid var(--border);
  color: var(--text); padding: 0.7rem 1rem 0.7rem 2.6rem;
  border-radius: var(--radius-sm); font-size: 0.9rem; font-family: var(--font);
  transition: var(--transition);
}
.search-wrap input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.search-wrap input::placeholder { color: var(--text-3); }

.categories { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.cat-btn {
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-2); padding: 0.45rem 1rem; border-radius: 50px;
  font-size: 0.83rem; font-weight: 600; cursor: pointer; transition: var(--transition);
  font-family: var(--font);
}
.cat-btn:hover, .cat-btn.active { background: var(--primary); border-color: var(--primary); color: var(--bg); }

/* ── Post Page ──────────────────────────────────────────────── */
.post-header {
  padding: calc(var(--nav-h) + 3rem) 0 3rem;
  background: var(--surface); border-bottom: 1px solid var(--border);
}
.post-header .container { max-width: 820px; }
.post-meta { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.25rem; flex-wrap: wrap; }

.post-content { max-width: 820px; margin: 0 auto; padding: 3rem 1.5rem; }
.post-content h2 { margin: 2.25rem 0 1rem; }
.post-content h3 { margin: 1.75rem 0 0.75rem; color: var(--text-2); font-size: 1.2rem; }
.post-content h4 { margin: 1.25rem 0 0.5rem; color: var(--primary); font-size: 1.05rem; }
.post-content p  { color: var(--text-2); margin-bottom: 1.25rem; }
.post-content ul, .post-content ol { margin: 1rem 0 1.25rem 1.5rem; color: var(--text-2); }
.post-content ul { list-style: disc; }
.post-content ol { list-style: decimal; }
.post-content li { margin-bottom: 0.5rem; }
.post-content img { border-radius: var(--radius); margin: 1.5rem 0; }
.post-content a  { text-decoration: underline; }
.post-content strong { color: var(--text); }

.post-cta-box {
  background: linear-gradient(135deg, rgba(0,255,204,0.06), rgba(129,140,248,0.06));
  border: 1px solid var(--border-accent); border-radius: var(--radius);
  padding: 2.5rem; text-align: center; margin: 3rem auto; max-width: 820px;
}
.post-cta-box h3 { margin-bottom: 0.75rem; }
.post-cta-box p  { color: var(--text-2); margin-bottom: 1.75rem; font-size: 1.05rem; }

/* ── SEO Block ──────────────────────────────────────────────── */
.seo-block { background: var(--surface); }
.seo-block h2 { margin-bottom: 1.25rem; }
.seo-block p  { color: var(--text-2); }
.seo-block ul {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
  gap: 0.65rem; margin-top: 1.5rem;
}
.seo-block li { display: flex; align-items: center; gap: 0.5rem; color: var(--text-2); font-size: 0.93rem; }
.seo-block li::before { content: '✓'; color: var(--primary); font-weight: 800; }

/* ── CTA Section ────────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, rgba(0,255,204,0.05), rgba(129,140,248,0.05));
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  text-align: center;
}
.cta-section h2 { margin-bottom: 1rem; }
.cta-section p  { color: var(--text-2); font-size: 1.05rem; margin-bottom: 2rem; }

/* ── Footer ─────────────────────────────────────────────────── */
.footer { background: var(--surface); border-top: 1px solid var(--border); padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand p { color: var(--text-2); font-size: 0.9rem; margin: 0.75rem 0 1.25rem; }
.footer h4 {
  font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.07em; color: var(--text-3); margin-bottom: 1rem;
}
.footer-links { display: flex; flex-direction: column; gap: 0.55rem; }
.footer-links a { color: var(--text-2); font-size: 0.88rem; }
.footer-links a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 1.5rem;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.footer-bottom p { color: var(--text-3); font-size: 0.82rem; margin: 0; }

/* ── Floating Telegram Button ───────────────────────────────── */
.floating-tg {
  position: fixed; bottom: 2rem; right: 2rem;
  z-index: 150; display: flex; flex-direction: column; align-items: flex-end; gap: 0.5rem;
}
.floating-tg .tg-label {
  background: var(--surface); border: 1px solid var(--border-accent);
  color: var(--text); padding: 0.35rem 0.9rem; border-radius: 50px;
  font-size: 0.78rem; white-space: nowrap; box-shadow: var(--shadow);
  opacity: 0; transition: opacity 0.4s ease;
}
.floating-tg .tg-btn {
  width: 56px; height: 56px; background: var(--primary); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--bg); font-size: 1.4rem; text-decoration: none;
  box-shadow: 0 4px 20px var(--primary-glow);
  transition: var(--transition); animation: floatAnim 3s ease-in-out infinite;
}
.floating-tg .tg-btn:hover { transform: scale(1.12); box-shadow: 0 6px 32px rgba(0,255,204,0.55); }
@keyframes floatAnim { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }

/* ── Scroll-to-Top ──────────────────────────────────────────── */
.scroll-top {
  position: fixed; bottom: 2rem; left: 2rem;
  width: 42px; height: 42px; background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-2); font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition);
  opacity: 0; transform: translateY(10px); pointer-events: none;
}
.scroll-top.visible { opacity: 1; transform: translateY(0); pointer-events: all; }
.scroll-top:hover { background: var(--primary); color: var(--bg); border-color: var(--primary); }

/* ── Exit-Intent Popup ──────────────────────────────────────── */
.popup-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.82);
  z-index: 500; display: none; align-items: center; justify-content: center;
  backdrop-filter: blur(5px);
}
.popup-overlay.active { display: flex; }
.popup {
  background: var(--surface); border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg); padding: 3rem 2.5rem;
  max-width: 460px; width: 90%; text-align: center; position: relative;
  animation: popupIn 0.35s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes popupIn { from { opacity:0; transform: scale(0.85) translateY(20px); } to { opacity:1; transform: none; } }
.popup-close {
  position: absolute; top: 1rem; right: 1rem;
  background: var(--surface2); border: none; color: var(--text-2);
  width: 30px; height: 30px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 0.9rem; transition: var(--transition);
}
.popup-close:hover { background: var(--error); color: #fff; }
.popup-icon { font-size: 2.8rem; margin-bottom: 1rem; }
.popup h3 { font-size: 1.4rem; margin-bottom: 0.65rem; }
.popup p  { color: var(--text-2); margin-bottom: 1.75rem; }
.popup-dismiss { color: var(--text-3); font-size: 0.82rem; cursor: pointer; margin-top: 0.85rem; font-family: var(--font); }
.popup-dismiss:hover { color: var(--text-2); }

/* ── Scroll Animations ──────────────────────────────────────── */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: none; }
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }
.fade-up:nth-child(5) { transition-delay: 0.4s; }
.fade-up:nth-child(6) { transition-delay: 0.5s; }

/* ── Pagination ─────────────────────────────────────────────── */
.pagination { display: flex; justify-content: center; gap: 0.4rem; margin-top: 3rem; flex-wrap: wrap; }
.page-btn {
  width: 38px; height: 38px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-2); font-size: 0.88rem;
  cursor: pointer; transition: var(--transition); display: flex; align-items: center; justify-content: center;
  font-family: var(--font);
}
.page-btn:hover, .page-btn.active { background: var(--primary); border-color: var(--primary); color: var(--bg); }

/* ── Empty / Loading States ─────────────────────────────────── */
.empty-state { text-align: center; padding: 4rem 1rem; color: var(--text-3); }
.empty-state .icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state h3 { color: var(--text-2); margin-bottom: 0.5rem; }

.loading-spinner { display: flex; justify-content: center; padding: 4rem; }
.spinner { width: 38px; height: 38px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.75s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ─────────────────────────────────────────────── */

/* Tablet landscape */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .posts-grid    { grid-template-columns: repeat(2, 1fr); }
}

/* Tablet portrait */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > *:first-child { grid-column: 1 / -1; }
}

/* Mobile landscape / large phone */
@media (max-width: 768px) {
  /* Nav mobile menu */
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: var(--surface); flex-direction: column;
    padding: 1.25rem 1.5rem; gap: 0.25rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%); opacity: 0; pointer-events: none;
    transition: var(--transition); z-index: 190;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: all; }
  .nav-links a { padding: 0.65rem 0; border-bottom: 1px solid var(--border); font-size: 0.95rem; width: 100%; }
  .nav-links a:last-child { border-bottom: none; }
  .nav-links .btn-tg {
    display: block; text-align: center; margin-top: 0.5rem;
    padding: 0.75rem; border-radius: var(--radius-sm); width: 100%;
  }
  .hamburger { display: flex; }

  /* Hero */
  .hero { padding: calc(var(--nav-h) + 2rem) 0 3.5rem; min-height: auto; }
  .hero h1 { font-size: clamp(1.75rem, 6vw, 2.6rem); }
  .hero p  { font-size: 1rem; margin-bottom: 2rem; }
  .hero-btns { flex-direction: column; align-items: stretch; gap: 0.75rem; }
  .hero-btns .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: 1.25rem; margin-top: 2.5rem; }
  .hero-stat .num { font-size: 1.5rem; }

  /* Sections */
  .section    { padding: 3.5rem 0; }
  .section-sm { padding: 2rem 0; }
  .section-header { margin-bottom: 2.5rem; }
  .section-header h2 { font-size: clamp(1.4rem, 4vw, 2rem); }

  /* Features */
  .features-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .feature-card  { padding: 1.5rem; }

  /* Blog controls */
  .blog-controls { flex-direction: column; align-items: stretch; gap: 0.75rem; }
  .categories    { gap: 0.4rem; }

  /* Post page */
  .post-header { padding: calc(var(--nav-h) + 2rem) 0 2rem; }
  .post-content { padding: 2rem 1.25rem; }
  .post-cta-box { padding: 1.75rem 1.25rem; margin: 2rem auto; }

  /* Footer */
  .footer { padding: 3rem 0 1.5rem; }

  /* Floating elements */
  .floating-tg { bottom: 1.25rem; right: 1rem; }
  .floating-tg .tg-btn { width: 50px; height: 50px; font-size: 1.2rem; }
  .scroll-top { bottom: 1.25rem; left: 1rem; width: 38px; height: 38px; font-size: 1rem; }

  /* Popup */
  .popup { padding: 2.25rem 1.5rem; }
  .popup h3 { font-size: 1.2rem; }

  /* Admin new-post two-column panels → single column */
  .panel-two-col { grid-template-columns: 1fr !important; }
}

/* Mobile portrait — small phones */
@media (max-width: 480px) {
  :root { --nav-h: 60px; }
  .container { padding: 0 1rem; }

  /* Nav */
  .logo { font-size: 1.2rem; }

  /* Hero */
  .hero { padding: calc(var(--nav-h) + 1.5rem) 0 3rem; }
  .hero-badge { font-size: 0.72rem; padding: 0.35rem 0.85rem; }
  .hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2rem; }
  .hero-stat { background: rgba(0,255,204,0.04); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.75rem; text-align: center; }
  .hero-stat .num { font-size: 1.4rem; }

  /* Sections */
  .section    { padding: 2.5rem 0; }
  .section-header h2 { font-size: 1.5rem; }
  .section-header p  { font-size: 0.95rem; }

  /* Features — single column on very small screens */
  .features-grid { grid-template-columns: 1fr; gap: 0.85rem; }
  .feature-card  { padding: 1.25rem; }
  .feature-icon  { width: 44px; height: 44px; font-size: 1.2rem; margin-bottom: 1rem; }

  /* Posts */
  .posts-grid { grid-template-columns: 1fr; gap: 1rem; }
  .post-card-img { height: 160px; }

  /* Buttons */
  .btn-lg { padding: 0.875rem 1.5rem; font-size: 0.95rem; }
  .btn    { font-size: 0.88rem; }

  /* Blog page */
  .blog-header { padding: calc(var(--nav-h) + 1.75rem) 0 2rem; }
  .blog-header h1 { font-size: 1.6rem; }
  .search-wrap input { font-size: 0.85rem; }
  .cat-btn { font-size: 0.78rem; padding: 0.38rem 0.75rem; }

  /* Post content */
  .post-content { padding: 1.5rem 1rem; }
  .post-content h2 { font-size: 1.3rem; margin: 1.75rem 0 0.75rem; }
  .post-content h3 { font-size: 1.1rem; }
  .post-cta-box { padding: 1.5rem 1rem; }
  .post-cta-box h3 { font-size: 1.1rem; }
  .post-cta-box p  { font-size: 0.92rem; }

  /* SEO block list → single column */
  .seo-block ul { grid-template-columns: 1fr; }

  /* CTA section */
  .cta-section h2 { font-size: 1.5rem; }
  .cta-section p  { font-size: 0.95rem; }

  /* Footer */
  .footer-grid    { grid-template-columns: 1fr; gap: 1.75rem; }
  .footer-bottom  { flex-direction: column; text-align: center; gap: 0.5rem; }
  .footer-bottom p { font-size: 0.78rem; }
  .footer { padding: 2.5rem 0 1.25rem; }

  /* Floating — move scroll-top up so it doesn't overlap floating btn */
  .floating-tg { bottom: 1rem; right: 0.75rem; }
  .floating-tg .tg-btn { width: 46px; height: 46px; font-size: 1.1rem; }
  .scroll-top { bottom: 1rem; left: 0.75rem; width: 36px; height: 36px; font-size: 0.9rem; }

  /* Popup */
  .popup { padding: 2rem 1.25rem; border-radius: var(--radius); }
  .popup-icon { font-size: 2.2rem; }
  .popup h3 { font-size: 1.1rem; }

  /* Pagination */
  .page-btn { width: 34px; height: 34px; font-size: 0.82rem; }
}