/* =========================================================
   themes.css — Color theme system for Nutridic demo cabinet
   10 themes + base variables + guide card / comment styles
   ========================================================= */

/* ---------- BASE LAYOUT VARIABLES (theme-independent) ---------- */
:root {
  --font-sans: "Inter", "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Playfair Display", "Georgia", serif;

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius:    16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  --container: 1200px;

  /* Smooth transition for ALL themed properties so theme switching
     is gentle and unobtrusive (per spec: "плавным и ненавязчивым"). */
  --theme-transition: background-color 700ms ease,
                      color 700ms ease,
                      border-color 700ms ease,
                      box-shadow 700ms ease,
                      fill 700ms ease,
                      stroke 700ms ease;
}

/* =========================================================
   THEME 1 — CALM (soft beige / cream)
   ========================================================= */
.theme-calm,
body.theme-calm {
  --color-bg:        #f6f1e9;
  --color-bg-alt:    #ffffff;
  --color-bg-elev:   #fbf7f1;
  --color-text:      #2c2a26;
  --color-text-muted:#6e6a62;
  --color-primary:   #b08968;
  --color-primary-hover: #9a7556;
  --color-primary-text: #ffffff;
  --color-accent:    #c9a36b;
  --color-border:    #e3d8c6;
  --color-shadow:    rgba(80, 60, 30, 0.10);
  --color-shadow-lg: rgba(80, 60, 30, 0.18);
  --color-link:      #8a6a4a;
}

/* =========================================================
   THEME 2 — TENDER (tender pink / peach)
   ========================================================= */
.theme-tender,
body.theme-tender {
  --color-bg:        #fdf2f4;
  --color-bg-alt:    #ffffff;
  --color-bg-elev:   #fff7f8;
  --color-text:      #3a2330;
  --color-text-muted:#8a6877;
  --color-primary:   #e08aa3;
  --color-primary-hover: #cf6f8c;
  --color-primary-text: #ffffff;
  --color-accent:    #f4a6bd;
  --color-border:    #f3d9e0;
  --color-shadow:    rgba(180, 80, 110, 0.12);
  --color-shadow-lg: rgba(180, 80, 110, 0.20);
  --color-link:      #b5617a;
}

/* =========================================================
   THEME 3 — AKVA (clear water blue)
   ========================================================= */
.theme-akva,
body.theme-akva {
  --color-bg:        #eaf4f8;
  --color-bg-alt:    #ffffff;
  --color-bg-elev:   #f3f9fc;
  --color-text:      #1d3540;
  --color-text-muted:#5d7785;
  --color-primary:   #2a9cc4;
  --color-primary-hover: #1f7fa3;
  --color-primary-text: #ffffff;
  --color-accent:    #5bb6d6;
  --color-border:    #c9e1ec;
  --color-shadow:    rgba(40, 90, 120, 0.12);
  --color-shadow-lg: rgba(40, 90, 120, 0.20);
  --color-link:      #1c6e8e;
}

/* =========================================================
   THEME 4 — MINT (fresh mint green)
   ========================================================= */
.theme-mint,
body.theme-mint {
  --color-bg:        #ecf7f0;
  --color-bg-alt:    #ffffff;
  --color-bg-elev:   #f3faf6;
  --color-text:      #1f3a2c;
  --color-text-muted:#5a7868;
  --color-primary:   #4caf7a;
  --color-primary-hover: #3a9064;
  --color-primary-text: #ffffff;
  --color-accent:    #7cc79a;
  --color-border:    #cde6d5;
  --color-shadow:    rgba(40, 100, 70, 0.12);
  --color-shadow-lg: rgba(40, 100, 70, 0.20);
  --color-link:      #2f7a52;
}

/* =========================================================
   THEME 5 — COSMOS (deep cosmic violet, dark mode)
   ========================================================= */
.theme-cosmos,
body.theme-cosmos {
  --color-bg:        #1a1530;
  --color-bg-alt:    #261f44;
  --color-bg-elev:   #2e2654;
  --color-text:      #ece6ff;
  --color-text-muted:#a8a0c8;
  --color-primary:   #a78bfa;
  --color-primary-hover: #9070ee;
  --color-primary-text: #15102a;
  --color-accent:    #c4b1ff;
  --color-border:    #3a2f5c;
  --color-shadow:    rgba(0, 0, 0, 0.35);
  --color-shadow-lg: rgba(0, 0, 0, 0.55);
  --color-link:      #b8a0ff;
}

/* =========================================================
   THEME 6 — POWER (confident red / coral)
   ========================================================= */
.theme-power,
body.theme-power {
  --color-bg:        #fdf0ec;
  --color-bg-alt:    #ffffff;
  --color-bg-elev:   #fff7f4;
  --color-text:      #3a1d18;
  --color-text-muted:#8a5c52;
  --color-primary:   #e2503a;
  --color-primary-hover: #c93f2a;
  --color-primary-text: #ffffff;
  --color-accent:    #f07863;
  --color-border:    #f4d3c9;
  --color-shadow:    rgba(180, 60, 40, 0.14);
  --color-shadow-lg: rgba(180, 60, 40, 0.22);
  --color-link:      #b13e2a;
}

/* =========================================================
   THEME 7 — CHOCOLATE (warm chocolate brown)
   ========================================================= */
.theme-chocolate,
body.theme-chocolate {
  --color-bg:        #f4ebe0;
  --color-bg-alt:    #ffffff;
  --color-bg-elev:   #faf4ec;
  --color-text:      #2f211a;
  --color-text-muted:#7a5d4a;
  --color-primary:   #6f4a2a;
  --color-primary-hover: #5a3b21;
  --color-primary-text: #ffffff;
  --color-accent:    #9c6e44;
  --color-border:    #e0cebb;
  --color-shadow:    rgba(80, 50, 20, 0.14);
  --color-shadow-lg: rgba(80, 50, 20, 0.22);
  --color-link:      #5a3b21;
}

/* =========================================================
   THEME 8 — LAVENDER (soft lavender purple)
   ========================================================= */
.theme-lavender,
body.theme-lavender {
  --color-bg:        #f1ecfb;
  --color-bg-alt:    #ffffff;
  --color-bg-elev:   #f8f4fe;
  --color-text:      #2f2440;
  --color-text-muted:#6e6188;
  --color-primary:   #8a6fc4;
  --color-primary-hover: #7357b0;
  --color-primary-text: #ffffff;
  --color-accent:    #ad95d8;
  --color-border:    #ddd0ee;
  --color-shadow:    rgba(90, 60, 140, 0.12);
  --color-shadow-lg: rgba(90, 60, 140, 0.20);
  --color-link:      #6e51a8;
}

/* =========================================================
   THEME 9 — OCEAN (deep ocean blue)
   ========================================================= */
.theme-ocean,
body.theme-ocean {
  --color-bg:        #e6f0f5;
  --color-bg-alt:    #ffffff;
  --color-bg-elev:   #eff6f9;
  --color-text:      #163040;
  --color-text-muted:#506e80;
  --color-primary:   #1c5c8a;
  --color-primary-hover: #144a72;
  --color-primary-text: #ffffff;
  --color-accent:    #4a8bb0;
  --color-border:    #c2d8e2;
  --color-shadow:    rgba(20, 60, 90, 0.14);
  --color-shadow-lg: rgba(20, 60, 90, 0.22);
  --color-link:      #144a72;
}

/* =========================================================
   THEME 10 — ENERGY (energy yellow / amber)
   ========================================================= */
.theme-energy,
body.theme-energy {
  --color-bg:        #fdf6e3;
  --color-bg-alt:    #ffffff;
  --color-bg-elev:   #fffbef;
  --color-text:      #3a3018;
  --color-text-muted:#85754a;
  --color-primary:   #d9a020;
  --color-primary-hover: #bd8a15;
  --color-primary-text: #2a2008;
  --color-accent:    #efbf48;
  --color-border:    #ecd9a8;
  --color-shadow:    rgba(140, 100, 20, 0.14);
  --color-shadow-lg: rgba(140, 100, 20, 0.22);
  --color-link:      #a87610;
}

/* =========================================================
   GLOBAL BASE — applied to <body> so theme vars resolve
   ========================================================= */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: var(--theme-transition);
  min-height: 100vh;
}

/* All themed elements should also transition smoothly */
body, header, section, footer, article, aside, nav,
.hero, .hero-content, .hero-guide, .guide-card, .guide-comment,
.block, .card, .service-card, .kb-card, .testimonial-card,
.btn, .btn-primary, .btn-outline, .badge, .avatar,
.cert-thumb, .stat, .contact-tile,
h1, h2, h3, h4, h5, h6, p, span, a, small, label, li {
  transition: var(--theme-transition);
}

a { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { font-family: var(--font-serif); line-height: 1.2; margin: 0 0 var(--space-3); color: var(--color-text); }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
p  { margin: 0 0 var(--space-3); }

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

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-5); }

/* =========================================================
   GUIDE CARD (used in HERO and as final guide block)
   ========================================================= */
.guide-card {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: var(--space-5);
  box-shadow: 0 6px 24px var(--color-shadow);
  border: 1px solid var(--color-border);
}

.guide-card .guide-avatar-lg {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--color-primary);
  background-color: var(--color-bg-elev);
}

.guide-card .guide-text { flex: 1; min-width: 0; }

.guide-card .guide-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-1);
  text-transform: uppercase;
}

.guide-card .guide-headline {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.guide-card .guide-body { color: var(--color-text); font-size: 0.95rem; }
.guide-card .guide-body p { margin: 0 0 var(--space-2); }
.guide-card .guide-body p:last-child { margin-bottom: 0; }

/* =========================================================
   GUIDE COMMENT (small chip at top of each block)
   ========================================================= */
.guide-comment {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-5);
  box-shadow: 0 4px 14px var(--color-shadow);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  max-width: 760px;
}

.guide-comment .guide-avatar-sm {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--color-primary);
  background-color: var(--color-bg-elev);
}

.guide-comment .guide-comment-text {
  font-size: 0.92rem;
  color: var(--color-text);
  line-height: 1.55;
  padding-top: var(--space-1);
}

.guide-comment .guide-comment-text .who {
  display: block;
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  padding: var(--space-8) 0 var(--space-7);
  background:
    radial-gradient(circle at 90% 10%, var(--color-bg-elev) 0%, transparent 55%),
    var(--color-bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-7);
  align-items: center;
}

.hero-content .eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-4);
}

.hero-content h1 { margin-bottom: var(--space-4); }
.hero-content .lead { font-size: 1.1rem; color: var(--color-text-muted); margin-bottom: var(--space-5); max-width: 560px; }

.hero-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color 250ms ease, color 250ms ease, border-color 250ms ease, transform 200ms ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-primary-text);
  border-color: var(--color-primary);
}
.btn-primary:hover { background-color: var(--color-primary-hover); border-color: var(--color-primary-hover); }

.btn-outline {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* =========================================================
   SITE HEADER
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}
.brand { display: flex; align-items: center; gap: var(--space-2); font-weight: 700; font-size: 1.2rem; color: var(--color-text); }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background-color: var(--color-primary); display: inline-block; }
.nav-links { display: flex; gap: var(--space-5); }
.nav-links a { color: var(--color-text-muted); font-size: 0.92rem; font-weight: 500; }
.nav-links a:hover { color: var(--color-primary); text-decoration: none; }
.theme-badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
}

/* =========================================================
   GENERIC BLOCK
   ========================================================= */
.block {
  padding: var(--space-7) 0;
  border-top: 1px solid var(--color-border);
}
.block-head { margin-bottom: var(--space-5); }
.block-head .kicker {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.block-head h2 { margin-bottom: var(--space-2); }
.block-head .subtitle { color: var(--color-text-muted); max-width: 640px; }

/* =========================================================
   ABOUT
   ========================================================= */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); align-items: start; }
.about-bio p { color: var(--color-text); }
.about-bio ul { padding-left: 0; list-style: none; margin: var(--space-3) 0 0; }
.about-bio li { position: relative; padding-left: 26px; margin-bottom: var(--space-2); color: var(--color-text); }
.about-bio li::before {
  content: "";
  position: absolute; left: 0; top: 9px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary);
}
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); margin-top: var(--space-4); }
.stat {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  text-align: center;
}
.stat .num { font-family: var(--font-serif); font-size: 1.9rem; font-weight: 700; color: var(--color-primary); display: block; }
.stat .label { font-size: 0.82rem; color: var(--color-text-muted); }
.cert-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); margin-top: var(--space-4); }
.cert-thumb {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-elev);
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-align: center;
  padding: var(--space-2);
}

/* =========================================================
   SERVICES
   ========================================================= */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.service-card {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-5);
  display: flex; flex-direction: column;
  box-shadow: 0 6px 20px var(--color-shadow);
}
.service-card .price { font-family: var(--font-serif); font-size: 1.8rem; font-weight: 700; color: var(--color-primary); margin: var(--space-2) 0; }
.service-card .price small { font-size: 0.85rem; color: var(--color-text-muted); font-family: var(--font-sans); font-weight: 400; }
.service-card .service-list { padding: 0; margin: var(--space-3) 0; list-style: none; }
.service-card .service-list li { padding-left: 22px; position: relative; margin-bottom: var(--space-2); font-size: 0.9rem; color: var(--color-text); }
.service-card .service-list li::before { content: "✓"; color: var(--color-primary); position: absolute; left: 0; font-weight: 700; }
.service-card .btn { margin-top: auto; }

/* =========================================================
   KNOWLEDGE BASE
   ========================================================= */
.kb-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.kb-card {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 6px 18px var(--color-shadow);
  display: flex; flex-direction: column;
}
.kb-card .kb-cover {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  position: relative;
}
.kb-card .kb-cover .kb-tag {
  position: absolute; top: var(--space-2); left: var(--space-2);
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  background-color: var(--color-bg-alt); color: var(--color-primary);
  padding: 4px 10px; border-radius: var(--radius-pill);
}
.kb-card .kb-body { padding: var(--space-4); display: flex; flex-direction: column; flex: 1; }
.kb-card h3 { margin-bottom: var(--space-2); }
.kb-card .kb-meta { font-size: 0.78rem; color: var(--color-text-muted); margin-bottom: var(--space-2); }
.kb-card .kb-excerpt { font-size: 0.9rem; color: var(--color-text); flex: 1; }
.kb-card .kb-read { margin-top: var(--space-3); font-weight: 600; font-size: 0.88rem; color: var(--color-primary); }

/* =========================================================
   TESTIMONIALS
   ========================================================= */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.testimonial-card {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-5);
  box-shadow: 0 6px 18px var(--color-shadow);
}
.testimonial-card .stars { color: var(--color-accent); margin-bottom: var(--space-2); letter-spacing: 2px; }
.testimonial-card .quote { font-family: var(--font-serif); font-size: 1.05rem; line-height: 1.5; color: var(--color-text); margin-bottom: var(--space-3); }
.testimonial-card .author { display: flex; align-items: center; gap: var(--space-3); }
.testimonial-card .author .avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-primary-text); font-weight: 700; display: flex; align-items: center; justify-content: center;
}
.testimonial-card .author .who { font-weight: 600; font-size: 0.92rem; color: var(--color-text); }
.testimonial-card .author .who small { display: block; font-weight: 400; color: var(--color-text-muted); }

/* =========================================================
   CONTACT
   ========================================================= */
.contact {
  padding: var(--space-7) 0;
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

/* Контактная информация */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-item-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.contact-item-value {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
}

.contact-item-value a {
  color: var(--color-text);
}

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

/* Соцсети */
.contact-socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.contact-social-link {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--color-primary);
  transition: background-color 0.25s, transform 0.2s;
}

.contact-social-link:hover {
  background-color: var(--color-bg-elev);
  transform: translateY(-2px);
}

/* CTA-карточка */
.contact-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-5);
  box-shadow: 0 6px 22px var(--color-shadow);
}

.contact-cta h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.contact-cta .subtitle {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

/* Адаптив */
@media (max-width: 960px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================================================
   FINAL GUIDE BLOCK
   ========================================================= */
.final-block {
  padding: var(--space-7) 0;
  background-color: var(--color-bg-elev);
  border-top: 1px solid var(--color-border);
}
.final-block .guide-card {
  max-width: 880px;
  margin: 0 auto;
  box-shadow: 0 10px 40px var(--color-shadow-lg);
}
.final-block .cta-row { display: flex; gap: var(--space-3); margin-top: var(--space-4); flex-wrap: wrap; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--space-6) 0;
}

.site-footer .container {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  text-align: center;
}

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

.site-footer .legal {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.site-footer .legal strong {
  color: var(--color-text);
  font-weight: 600;
}

.site-footer .legal a {
  color: var(--color-text-muted);
  transition: color 0.2s;
}

.site-footer .legal a:hover {
  color: var(--color-primary);
}

/* =========================================================
   THEME INDICATOR (small floating chip showing current theme)
   ========================================================= */
.theme-indicator {
  position: fixed;
  bottom: var(--space-4);
  right: var(--space-4);
  z-index: 100;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 8px 14px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  box-shadow: 0 6px 18px var(--color-shadow);
  pointer-events: none;
}
.theme-indicator .dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary);
  margin-right: 6px;
  vertical-align: middle;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .services-grid,
  .kb-grid,
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .cert-gallery { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
}

@media (max-width: 640px) {
  .services-grid,
  .kb-grid,
  .testimonials-grid,
  .about-stats,
  .contact-tiles,
  .cert-gallery { grid-template-columns: 1fr; }
  .guide-card { flex-direction: column; align-items: flex-start; padding: var(--space-4); }
  .guide-card .guide-avatar-lg { width: 64px; height: 64px; }
  .hero { padding: var(--space-6) 0; }
  .block { padding: var(--space-6) 0; }
}