/* ══════════════════════════════════════════════════════════
   Transport Artists s.r.o. — Production Stylesheet v4
   transportartists.com | 2026
   ══════════════════════════════════════════════════════════ */

/* ─── Self-hosted Fonts ─── */
@font-face {
  font-family: 'Instrument Serif';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/instrument-serif-regular.woff2') format('woff2');
}
@font-face {
  font-family: 'Instrument Serif';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/instrument-serif-italic.woff2') format('woff2');
}
@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url('../fonts/plus-jakarta-sans.woff2') format('woff2');
}

/* ─── Reset & Variables ─── */
:root {
  --ink: #1A1F2E;
  --ink-75: #3A4156;
  --ink-50: #6B7280;
  --ink-30: #9CA3AF;
  --ink-15: #D1D5DB;
  --accent: #2563EB;
  --accent-hover: #1D4ED8;
  --accent-light: #3B82F6;
  --accent-bg: #EFF6FF;
  --accent-border: #BFDBFE;
  --bg: #FFFFFF;
  --bg-off: #F8FAFC;
  --bg-warm: #FFFBEB;
  --border: #E5E7EB;
  --border-light: #F3F4F6;
  --serif: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-w: 1120px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.07);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
[id] { scroll-margin-top: 5rem; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
@media (min-width: 768px) { .container { padding: 0 2.5rem; } }

/* ─── Typography ─── */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; line-height: 1.15; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.4rem, 5.5vw, 3.8rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.8rem 1.8rem;
  font-family: var(--sans); font-weight: 600; font-size: 0.88rem;
  border-radius: var(--radius-sm);
  border: none; cursor: pointer;
  transition: all 0.25s var(--ease);
  text-decoration: none; white-space: nowrap;
}
.btn-primary, a.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 1px 3px rgba(37,99,235,0.2); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(37,99,235,0.25); }
.btn-outline { background: transparent; color: var(--ink); border: 1.5px solid var(--border); }
.btn-outline:hover { border-color: var(--ink-50); }
.btn-white { background: #fff; color: var(--ink); box-shadow: var(--shadow-sm); font-weight: 700; }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.15); }

/* ─── Sections ─── */
section { padding: 5rem 0; }
section.alt { background: var(--bg-off); }

.section-badge {
  display: inline-flex; align-items: center;
  font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.7rem;
}
.section-header { margin-bottom: 3rem; }
.section-header.center { text-align: center; }
.section-header.center .section-desc { margin-left: auto; margin-right: auto; }
.section-title { margin-bottom: 0.7rem; color: var(--ink); }
.section-title em { font-style: italic; color: var(--accent); }
.section-desc { color: var(--ink-50); font-size: 1rem; max-width: 520px; line-height: 1.7; }

/* ─── Navigation ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0.85rem 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.nav.scrolled { border-bottom-color: var(--border); box-shadow: 0 1px 8px rgba(0,0,0,0.04); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem;
}
@media (min-width: 768px) { .nav-inner { padding: 0 2.5rem; } }

.nav-logo { font-family: var(--sans); font-size: 1.15rem; font-weight: 800; color: var(--ink); letter-spacing: -0.025em; }
.nav-logo span { color: var(--accent); }
.nav-logo img { height: 28px; width: auto; }
.nav-links { display: none; gap: 2rem; align-items: center; }
@media (min-width: 768px) { .nav-links { display: flex; } }
.nav-links a { color: var(--ink-50); font-size: 0.85rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--ink); }
.nav-links a.btn-primary, .nav-links a.btn-primary:hover { color: #fff; }
.nav-links a.active { color: var(--accent); }
.nav-links .btn { padding: 0.5rem 1.3rem; font-size: 0.82rem; }

.nav-hamburger { display: flex; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
@media (min-width: 768px) { .nav-hamburger { display: none; } }
.nav-hamburger span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: all 0.3s var(--ease); }

.nav-mobile {
  display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  z-index: 99; flex-direction: column; align-items: center; justify-content: center; gap: 1.8rem;
}
.nav-mobile.open { display: flex; }
.nav-mobile a { font-size: 1.4rem; font-weight: 600; color: var(--ink); transition: color 0.2s; }
.nav-mobile a:hover { color: var(--accent); }
.nav-mobile a.btn-primary, .nav-mobile a.btn-primary:hover { color: #fff; }
.nav-mobile .btn { margin-top: 0.5rem; }
.nav-mobile-close { position: absolute; top: 1.2rem; right: 1.5rem; font-size: 1.8rem; background: none; border: none; cursor: pointer; color: var(--ink); }

/* ─── HERO ─── */
.hero {
  padding: 8.5rem 0 4.5rem; position: relative; overflow: hidden;
  background: linear-gradient(160deg, #FFFFFF 0%, #F0F5FF 40%, #E8F0FE 70%, #F8FAFC 100%);
}
.hero::before {
  content: ''; position: absolute; top: -120px; right: -80px;
  width: 450px; height: 450px; border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -60px; left: -40px;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; position: relative; z-index: 1; }
@media (min-width: 768px) { .hero-grid { grid-template-columns: 1.1fr 1fr; gap: 4rem; } }

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.45rem;
  background: rgba(255,255,255,0.8); border: 1px solid var(--accent-border);
  color: var(--accent); font-size: 0.78rem; font-weight: 600;
  padding: 0.35rem 0.95rem; border-radius: 100px; margin-bottom: 1.2rem;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.hero-badge-dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; animation: pulse 2s infinite; }
.hero-desc { font-size: 1.08rem; color: var(--ink-50); line-height: 1.75; max-width: 480px; margin: 1rem 0 2rem; }
.hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-bottom: 2.8rem; }
.hero-stats {
  display: flex; gap: 2.5rem; flex-wrap: wrap;
  padding: 1.5rem 0; border-top: 1px solid rgba(37,99,235,0.1);
}

.stat { text-align: left; }
.stat-value { font-size: 2rem; font-weight: 800; color: var(--ink); line-height: 1; letter-spacing: -0.03em; }
.stat-value span { color: var(--accent); }
.stat-label { font-size: 0.8rem; color: var(--ink-30); margin-top: 0.3rem; font-weight: 500; letter-spacing: 0.02em; }

.hero-visual {
  aspect-ratio: 4/3; background: rgba(255,255,255,0.5); border: 1px solid rgba(37,99,235,0.1);
  border-radius: var(--radius-lg); overflow: hidden;
  display: flex; align-items: center; justify-content: center; color: var(--ink-30); font-size: 0.85rem;
  box-shadow: 0 8px 40px rgba(37,99,235,0.08);
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }

/* ─── USE-CASE CARDS ─── */
.usecase-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 640px) { .usecase-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .usecase-grid { grid-template-columns: repeat(3, 1fr); } }

.usecase-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 1.8rem; transition: all 0.3s var(--ease); cursor: pointer;
  border-top: 3px solid transparent;
  box-shadow: var(--shadow-sm);
}
.usecase-card:hover { border-color: var(--accent-border); border-top-color: var(--accent); box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.usecase-icon {
  width: 44px; height: 44px;
  background: var(--accent-bg); border: 1px solid var(--accent-border); border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem; color: var(--accent);
}
.usecase-icon svg { width: 20px; height: 20px; stroke: var(--accent); stroke-width: 2; fill: none; }

.usecase-label { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); margin-bottom: 0.45rem; }
.usecase-title { font-family: var(--serif); font-size: 1.1rem; color: var(--ink); margin-bottom: 0.4rem; line-height: 1.3; }
.usecase-text { font-size: 0.92rem; color: var(--ink-50); line-height: 1.6; }
.usecase-link { display: inline-flex; align-items: center; gap: 0.25rem; margin-top: 0.8rem; font-size: 0.85rem; font-weight: 600; color: var(--accent); }

/* Last two cards centered when 3-col */
@media (min-width: 900px) {
  .usecase-grid--5 { grid-template-columns: repeat(6, 1fr); }
  .usecase-grid--5 > :nth-child(1) { grid-column: 1 / 3; }
  .usecase-grid--5 > :nth-child(2) { grid-column: 3 / 5; }
  .usecase-grid--5 > :nth-child(3) { grid-column: 5 / 7; }
  .usecase-grid--5 > :nth-child(4) { grid-column: 1 / 4; }
  .usecase-grid--5 > :nth-child(5) { grid-column: 4 / 7; }
}

/* ─── WHY US ─── */
.why-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 640px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .why-grid { grid-template-columns: repeat(3, 1fr); } }

.why-card { padding: 1.5rem; border: 1px solid var(--border-light); border-radius: var(--radius-md); transition: all 0.3s var(--ease); }
.why-card:hover { border-color: var(--border); box-shadow: var(--shadow-sm); }
.why-icon {
  width: 42px; height: 42px;
  background: var(--accent-bg); border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 0.9rem; color: var(--accent);
}
.why-icon svg { width: 20px; height: 20px; stroke: var(--accent); stroke-width: 2; fill: none; }
.why-title { font-family: var(--sans); font-weight: 700; font-size: 1rem; margin-bottom: 0.35rem; color: var(--ink); }
.why-text { color: var(--ink-50); font-size: 0.92rem; line-height: 1.65; }

/* ─── HOW IT WORKS ─── */
.steps-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) { .steps-grid { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; } }

.step-card {
  text-align: center; padding: 1.8rem; position: relative;
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.step-number {
  width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: #fff;
  font-size: 1.2rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.2rem;
  box-shadow: 0 4px 14px rgba(37,99,235,0.25);
}
.step-title { font-family: var(--sans); font-weight: 700; font-size: 1.05rem; margin-bottom: 0.5rem; color: var(--ink); }
.step-text { font-size: 0.92rem; color: var(--ink-50); line-height: 1.65; }

/* Connector arrow between steps on desktop */
@media (min-width: 768px) {
  .step-card:not(:last-child)::after {
    content: '→';
    position: absolute;
    top: 50%; right: -1rem;
    transform: translate(50%, -50%);
    font-size: 1.4rem; color: var(--accent-border); font-weight: 300;
  }
}

/* ─── CLIENTS BAR ─── */
.clients-bar { background: var(--bg-off); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 2.5rem 0; }
.clients-inner { display: flex; flex-direction: column; gap: 1.2rem; align-items: center; }
@media (min-width: 768px) { .clients-inner { flex-direction: row; gap: 3rem; } }
.clients-label { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-30); white-space: nowrap; }
.client-logos { display: flex; flex-wrap: wrap; gap: 1.2rem; align-items: center; justify-content: center; }
@media (min-width: 768px) { .client-logos { justify-content: flex-start; } }
.client-logo { height: 36px; opacity: 0.5; transition: opacity 0.3s; filter: grayscale(100%); }
.client-logo:hover { opacity: 0.8; filter: grayscale(0%); }
.client-logo-placeholder {
  width: 100px; height: 36px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-30); font-size: 0.75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
}

/* ─── ABOUT ─── */
.about-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; }
@media (min-width: 768px) { .about-grid { grid-template-columns: 1fr 1.3fr; gap: 4rem; } }
.about-visual {
  aspect-ratio: 1/1; background: var(--bg-off); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  display: flex; align-items: center; justify-content: center; color: var(--ink-30); font-size: 0.85rem;
}
.about-visual img { width: 100%; height: 100%; object-fit: cover; }
.about-text p { color: var(--ink-50); font-size: 0.95rem; margin-bottom: 1rem; line-height: 1.75; }
.about-meta { display: flex; gap: 2rem; flex-wrap: wrap; margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
.meta-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-30); margin-bottom: 0.15rem; }
.meta-value { font-size: 0.88rem; font-weight: 600; color: var(--ink); }

/* ─── CTA SECTION ─── */
.cta-section {
  background: linear-gradient(135deg, var(--ink) 0%, #1E293B 50%, #1A2744 100%);
  padding: 4rem 0; position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; top: -50%; right: -10%;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.cta-inner { display: flex; flex-direction: column; gap: 1.5rem; align-items: center; text-align: center; position: relative; z-index: 1; }
@media (min-width: 768px) { .cta-inner { flex-direction: row; justify-content: space-between; text-align: left; } }
.cta-title { font-family: var(--serif); font-size: clamp(1.4rem, 2.5vw, 1.8rem); color: #fff; }
.cta-title em { font-style: italic; color: var(--accent-light); }
.cta-desc { color: rgba(255,255,255,0.6); font-size: 0.92rem; margin-top: 0.4rem; }

/* ─── SERVICE BLOCKS ─── */
.service-block { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: center; padding: 3rem 0; border-bottom: 1px solid var(--border); }
@media (min-width: 768px) { .service-block { grid-template-columns: 1fr 1fr; gap: 4rem; } }
.service-block:last-of-type { border-bottom: none; }
@media (min-width: 768px) {
  .service-block.reverse .service-visual { order: 2; }
  .service-block.reverse .service-content { order: 1; }
}
.service-visual {
  aspect-ratio: 16/10; background: var(--bg-off); border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
  display: flex; align-items: center; justify-content: center; color: var(--ink-30); font-size: 0.85rem;
}
.service-visual img { width: 100%; height: 100%; object-fit: cover; }
.service-num { font-size: 0.78rem; font-weight: 700; color: var(--accent); letter-spacing: 0.05em; margin-bottom: 0.4rem; }
.service-h { font-family: var(--serif); font-size: clamp(1.3rem, 2.5vw, 1.6rem); color: var(--ink); margin-bottom: 0.7rem; line-height: 1.2; }
.service-p { color: var(--ink-50); font-size: 0.95rem; line-height: 1.7; margin-bottom: 1rem; }
.feature-list { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.3rem; }
.feature-item { display: flex; align-items: baseline; gap: 0.5rem; font-size: 0.92rem; color: var(--ink-75); }
.feature-dot { width: 5px; height: 5px; background: var(--accent); border-radius: 50%; flex-shrink: 0; margin-top: 0.5rem; }

/* ─── FLEET ─── */
.fleet-grid { display: grid; grid-template-columns: 1fr; gap: 1.2rem; }
@media (min-width: 640px) { .fleet-grid { grid-template-columns: repeat(2, 1fr); } }
.fleet-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: all 0.3s var(--ease); box-shadow: var(--shadow-sm); }
.fleet-card:hover { box-shadow: var(--shadow-lg); border-color: var(--accent-border); transform: translateY(-3px); }
.fleet-img {
  aspect-ratio: 16/9; background: var(--bg-off); border-bottom: 1px solid var(--border); overflow: hidden;
  display: flex; align-items: center; justify-content: center; color: var(--ink-30); font-size: 0.85rem;
}
.fleet-img img { width: 100%; height: 100%; object-fit: cover; }
.fleet-intro { max-width: 720px; margin-bottom: 2rem; }
.fleet-intro p { color: var(--ink-50); font-size: 0.95rem; line-height: 1.75; }
.fleet-body { padding: 1.3rem; }
.fleet-desc { font-size: 0.88rem; color: var(--ink-50); line-height: 1.6; margin-bottom: 0.7rem; }
.fleet-name { font-weight: 700; font-size: 1.05rem; margin-bottom: 0.1rem; }
.fleet-type { font-size: 0.78rem; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.7rem; }
.fleet-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.fleet-spec { font-size: 0.88rem; color: var(--ink-50); }
.fleet-spec strong { display: block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-30); margin-bottom: 0.05rem; }
.fleet-note { margin-top: 1.5rem; padding: 1.3rem; background: var(--accent-bg); border: 1px solid var(--accent-border); border-radius: var(--radius-sm); font-size: 0.92rem; color: var(--ink-75); }
.fleet-note strong { color: var(--ink); }
.fleet-note a { color: var(--accent); font-weight: 600; }

/* ─── CONTACT ─── */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; }
@media (min-width: 768px) { .contact-grid { grid-template-columns: 1fr 1.3fr; gap: 4rem; } }
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-30); margin-bottom: 0.2rem; }
.contact-value { font-size: 0.95rem; color: var(--ink); line-height: 1.7; }
.contact-value a { color: var(--accent); font-weight: 500; }
.contact-value a:hover { text-decoration: underline; }
.contact-form-wrap { background: var(--bg-off); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.8rem; }
.contact-form { display: flex; flex-direction: column; gap: 0.8rem; }
.form-field { display: flex; flex-direction: column; gap: 0.3rem; width: 100%; }
.form-field label { font-size: 0.82rem; font-weight: 600; color: var(--ink-75); }
.form-row { display: flex; gap: 0.8rem; }
@media (max-width: 640px) { .form-row { flex-direction: column; } }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--border); color: var(--ink);
  font-family: var(--sans); font-size: 0.92rem; padding: 0.75rem 0.95rem;
  border-radius: var(--radius-sm); outline: none;
  transition: border-color 0.2s, box-shadow 0.2s; -webkit-appearance: none;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-bg); }
.contact-form textarea { height: 110px; resize: vertical; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--ink-30); }
.contact-form select { color: var(--ink-30); }
.contact-form select:valid { color: var(--ink); }
.form-note { font-size: 0.8rem; color: var(--ink-30); }
.response-badge {
  display: flex; align-items: center; gap: 0.45rem;
  margin-top: 0.8rem; padding: 0.7rem 0.9rem;
  background: var(--bg-warm); border: 1px solid #FDE68A;
  border-radius: var(--radius-sm); font-size: 0.85rem; color: var(--ink-75);
}
.form-success { display: none; text-align: center; padding: 2rem; }
.form-success.show { display: block; }
.form-success-icon { width: 48px; height: 48px; background: #D1FAE5; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; font-size: 1.3rem; }
.form-success h3 { font-family: var(--sans); font-weight: 700; margin-bottom: 0.3rem; }
.form-success p { color: var(--ink-50); font-size: 0.92rem; }

/* ─── FOOTER ─── */
.footer { padding: 3.5rem 0 2rem; background: var(--ink); color: rgba(255,255,255,0.7); border-top: none; }
.footer-top { display: grid; grid-template-columns: 1fr; gap: 2.5rem; padding-bottom: 2.5rem; border-bottom: 1px solid rgba(255,255,255,0.1); margin-bottom: 1.5rem; }
@media (min-width: 640px) { .footer-top { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .footer-top { grid-template-columns: 1.3fr 1fr 1fr 1.3fr; } }
.footer-col .nav-logo { font-size: 1.05rem; color: #fff; }
.footer-col .nav-logo span { color: var(--accent-light); }
.footer-heading { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: 0.6rem; }
.footer-about { font-size: 0.85rem; color: rgba(255,255,255,0.55); line-height: 1.65; margin-top: 0.5rem; }
.footer-contact { display: flex; flex-direction: column; gap: 0.4rem; }
.footer-contact a { font-size: 0.88rem; color: rgba(255,255,255,0.6); transition: color 0.2s; }
.footer-contact a:hover { color: var(--accent-light); }
.footer-bottom { display: flex; flex-direction: column; gap: 0.5rem; align-items: center; text-align: center; color: rgba(255,255,255,0.3); font-size: 0.82rem; }
@media (min-width: 768px) { .footer-bottom { flex-direction: row; justify-content: space-between; } }

/* ─── PHONE STRIP (homepage) ─── */
.phone-strip {
  display: flex; justify-content: center; align-items: center; gap: 2rem; flex-wrap: wrap;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem; color: var(--ink-50);
}
.phone-strip a { color: var(--ink); font-weight: 600; }
.phone-strip a:hover { color: var(--accent); }
.phone-strip-sep { color: var(--ink-15); }

/* ─── WHATSAPP LINK ─── */
.whatsapp-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  color: #25D366; font-weight: 600; font-size: 0.95rem;
}
.whatsapp-link:hover { text-decoration: underline; }
.whatsapp-link svg { width: 20px; height: 20px; fill: #25D366; }
.footer-inner { display: flex; flex-direction: column; gap: 0.5rem; align-items: center; text-align: center; color: var(--ink-30); font-size: 0.82rem; }
@media (min-width: 768px) { .footer-inner { flex-direction: row; justify-content: space-between; } }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: rgba(255,255,255,0.4); }
.footer-links a:hover { color: rgba(255,255,255,0.7); }

/* ─── PAGE HEADER ─── */
.page-header { padding: 8rem 0 2.5rem; background: var(--bg-off); border-bottom: 1px solid var(--border); }

/* ─── 404 ─── */
.error-page { min-height: 70vh; display: flex; align-items: center; justify-content: center; text-align: center; padding-top: 5rem; }
.error-code { font-size: 5rem; font-weight: 800; color: var(--accent-bg); line-height: 1; margin-bottom: 0.5rem; letter-spacing: -0.05em; }
.error-title { font-family: var(--serif); font-size: 1.6rem; margin-bottom: 0.5rem; }
.error-text { color: var(--ink-50); margin-bottom: 1.5rem; font-size: 0.95rem; }

/* ─── LEGAL PAGE ─── */
.legal-content { max-width: 720px; }
.legal-content h2 { font-family: var(--sans); font-size: 1.1rem; font-weight: 700; margin: 2rem 0 0.5rem; color: var(--ink); }
.legal-content h2:first-of-type { margin-top: 0; }
.legal-content p { color: var(--ink-50); font-size: 0.92rem; margin-bottom: 0.8rem; line-height: 1.75; }
.legal-content ul { color: var(--ink-50); font-size: 0.92rem; margin-bottom: 0.8rem; padding-left: 1.5rem; line-height: 1.75; }

/* ─── CLIENTS / SOCIAL PROOF ─── */
.clients-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.client-tag { display: inline-flex; padding: 0.45rem 0.9rem; background: var(--accent-bg); border: 1px solid var(--accent-border); border-radius: 100px; font-size: 0.85rem; font-weight: 500; color: var(--accent); }
.clients-types { font-size: 0.92rem; color: var(--ink-50); line-height: 1.8; }
.clients-types span { white-space: nowrap; }
.clients-type-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-30); margin-bottom: 0.3rem; }
.testimonial { margin-top: 2.5rem; padding: 1.5rem; background: var(--bg-off); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: var(--radius-sm); }
.testimonial-text { font-family: var(--serif); font-size: 1.1rem; font-style: italic; color: var(--ink); line-height: 1.6; margin-bottom: 0.8rem; }
.testimonial-name { font-family: var(--sans); font-weight: 700; font-size: 0.88rem; color: var(--ink); }
.testimonial-role { font-size: 0.82rem; color: var(--ink-50); }

/* ─── FAQ ─── */
.faq-list { max-width: 720px; display: flex; flex-direction: column; gap: 0.5rem; }
.faq-item { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; transition: border-color 0.2s; }
.faq-item[open] { border-color: var(--accent-border); }
.faq-q { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.2rem; font-family: var(--sans); font-weight: 600; font-size: 0.95rem; color: var(--ink); cursor: pointer; list-style: none; }
.faq-q::-webkit-details-marker { display: none; }
.faq-q::after { content: '+'; font-size: 1.2rem; font-weight: 400; color: var(--ink-30); transition: transform 0.2s var(--ease); flex-shrink: 0; margin-left: 1rem; }
.faq-item[open] .faq-q::after { content: '−'; color: var(--accent); }
.faq-q:hover { color: var(--accent); }
.faq-a { padding: 0 1.2rem 1rem; font-size: 0.92rem; color: var(--ink-50); line-height: 1.7; }

/* ─── ANIMATIONS ─── */
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.fade-up { opacity: 0; transform: translateY(18px); transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out); }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.stagger > * { transition-delay: calc(var(--i, 0) * 80ms); }

/* ─── MOBILE ─── */
@media (max-width: 767px) {
  .contact-form input, .contact-form select, .contact-form textarea { font-size: 1rem; padding: 0.85rem 1rem; }
  .btn { padding: 0.9rem 1.6rem; font-size: 0.92rem; }
  .hero-actions .btn { width: auto; }
  section { padding: 3.5rem 0; }
  .page-header { padding: 6.5rem 0 2rem; }
  .hero { padding: 6.5rem 0 2.5rem; }
  .hero::before { width: 250px; height: 250px; top: -60px; right: -40px; }
  .hero::after { display: none; }
  .hero-desc { font-size: 1rem; }
  .hero-stats { gap: 1.5rem; }
  .stat-value { font-size: 1.7rem; }
  .usecase-card { padding: 1.4rem; }
  .fleet-body { padding: 1.2rem; }
  .contact-form-wrap { padding: 1.4rem; }
  .section-desc { font-size: 0.95rem; }
  .about-text p { font-size: 1rem; }
  .contact-value { font-size: 1rem; }
  .nav-mobile a { font-size: 1.4rem; }
  .step-card { padding: 1rem; }
}