/* ============================================================
   Thorsten Franz – Personal Brand Website
   CSS: style.css  |  No web fonts – system stack only
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --blue-deep:    #1a3557;
  --blue-mid:     #265a8f;
  --blue-light:   #3a82c4;
  --blue-pale:    #e8f1f9;
  --anthracite:   #2a2d34;
  --gray-dark:    #4a4d54;
  --gray-mid:     #7a7d84;
  --gray-light:   #e8eaed;
  --gray-bg:      #f5f6f8;
  --white:        #ffffff;
  --green-wa:     #25D366;

  /* System font stack – no web fonts */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont,
               'Segoe UI', 'Helvetica Neue', Arial, sans-serif;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:  0 8px 28px rgba(0,0,0,.13);
  --radius:     6px;
  --radius-lg:  10px;
  --transition: 0.2s ease;
  --max-w:      1100px;
  --nav-h:      70px;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--anthracite);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.22; color: var(--blue-deep); }
h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
h4 { font-size: 1rem; }
p  { color: var(--gray-dark); }
.lead {
  font-size: 1.1rem;
  color: var(--gray-dark);
  line-height: 1.72;
  max-width: 680px;
}
.section-label {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: .55rem;
}
.text-center { text-align: center; }
.text-white { color: var(--white) !important; }
.text-white h1,.text-white h2,.text-white h3,
.text-white p,.text-white .lead { color: var(--white); opacity: .92; }

/* ── Layout ─────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section    { padding: 80px 0; }
.section--sm { padding: 52px 0; }
.section--lg { padding: 104px 0; }
.section--bg   { background: var(--gray-bg); }
.section--blue { background: var(--blue-deep); }
.section--pale { background: var(--blue-pale); }

.grid-2   { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3   { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.grid-4   { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }
.grid-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; }

/* ── Navigation ─────────────────────────────────────────────── */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-light);
  height: var(--nav-h);
  box-shadow: var(--shadow-sm);
}
.site-nav .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-brand { display: flex; flex-direction: column; line-height: 1.2; flex-shrink: 0; }
.nav-brand .name    { font-size: 1.06rem; font-weight: 700; color: var(--blue-deep); letter-spacing: -.01em; }
.nav-brand .tagline { font-size: .67rem; color: var(--gray-mid); font-weight: 500; letter-spacing: .03em; }

.nav-links {
  display: flex; align-items: center; gap: 2px;
}
.nav-links a {
  font-size: .84rem; font-weight: 500;
  color: var(--gray-dark);
  padding: 7px 10px;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--blue-deep);
  background: var(--blue-pale);
}
.nav-cta {
  background: var(--blue-deep) !important;
  color: var(--white) !important;
  padding: 7px 16px !important;
  border-radius: var(--radius) !important;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--blue-mid) !important; }

/* Language Switcher */
.lang-btn {
  background: none;
  border: 1.5px solid var(--gray-light);
  color: var(--gray-dark);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .07em;
  padding: 5px 10px;
  border-radius: var(--radius);
  transition: all var(--transition);
  flex-shrink: 0;
}
.lang-btn:hover {
  border-color: var(--blue-light);
  color: var(--blue-deep);
  background: var(--blue-pale);
}

/* Social icons in nav */
.nav-social { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.nav-social a {
  display: flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  border-radius: var(--radius);
  color: var(--gray-mid);
  transition: color var(--transition), background var(--transition);
}
.nav-social a:hover { color: var(--blue-deep); background: var(--blue-pale); }

/* Mobile toggle */
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: 6px;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--anthracite); border-radius: 2px; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .95rem; font-weight: 600;
  padding: 13px 26px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--blue-deep); color: var(--white); border-color: var(--blue-deep); }
.btn-primary:hover { background: var(--blue-mid); border-color: var(--blue-mid); }
.btn-outline { background: transparent; color: var(--blue-deep); border-color: var(--blue-deep); }
.btn-outline:hover { background: var(--blue-deep); color: var(--white); }
.btn-outline-white { background: transparent; color: var(--white); border-color: rgba(255,255,255,.55); }
.btn-outline-white:hover { background: rgba(255,255,255,.12); border-color: var(--white); }
.btn-green { background: var(--green-wa); color: var(--white); border-color: var(--green-wa); }
.btn-green:hover { background: #1ebe57; border-color: #1ebe57; }
.btn-lg { padding: 15px 30px; font-size: 1rem; }
.btn-sm { padding: 8px 16px; font-size: .84rem; }

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--blue-deep) 0%, #1e4d7a 55%, #2a6099 100%);
  color: var(--white);
  padding: 88px 0 76px;
  position: relative; overflow: hidden;
}
.hero::before {
  content:''; position:absolute; inset:0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.025'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }
.hero h1 { color: var(--white); margin-bottom: 1rem; }
.hero .lead { color: rgba(255,255,255,.88); max-width: 640px; }
.hero-actions { display: flex; gap: 14px; margin-top: 2rem; flex-wrap: wrap; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 100px; padding: 5px 16px;
  font-size: .78rem; font-weight: 700; letter-spacing: .05em;
  color: rgba(255,255,255,.9); margin-bottom: 1.2rem;
}
.hero-badge-dot { width:8px; height:8px; background:#5dbf8a; border-radius:50%; flex-shrink:0; }
.hero-badge-green { background: rgba(93,191,138,.15); border-color: rgba(93,191,138,.4); }

.hero--sub { padding: 58px 0 50px; }
.hero--sub h1 { font-size: clamp(1.65rem, 3.5vw, 2.3rem); }

/* ── Photo ───────────────────────────────────────────────────── */
.profile-photo {
  width: 100%; max-width: 300px;
  aspect-ratio: 3/4;
  object-fit: cover; object-position: center top;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: block;
}
.profile-photo-circle {
  width: 88px; height: 88px;
  border-radius: 50%;
  object-fit: cover; object-position: center top;
  border: 3px solid rgba(255,255,255,.25);
  flex-shrink: 0;
}

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-icon {
  width: 46px; height: 46px;
  background: var(--blue-pale);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px; flex-shrink: 0;
}
.card-icon svg { color: var(--blue-deep); }
.card h3 { margin-bottom: .45rem; }
.card p  { font-size: .92rem; line-height: 1.6; }

/* ── Feature List ────────────────────────────────────────────── */
.feature-list { display: flex; flex-direction: column; gap: 11px; }
.feature-item { display: flex; align-items: flex-start; gap: 11px; }
.feature-icon {
  width: 20px; height: 20px;
  background: var(--blue-pale); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 1px;
}
.feature-icon svg { color: var(--blue-mid); }
.feature-item p { font-size: .92rem; margin: 0; }

/* ── Challenge Grid ──────────────────────────────────────────── */
.challenge-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.challenge-item {
  padding: 18px 20px;
  background: var(--white);
  border-left: 3px solid var(--blue-light);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: var(--shadow-sm);
}
.challenge-item h4 { font-size: .93rem; margin-bottom: .3rem; }
.challenge-item p  { font-size: .86rem; color: var(--gray-mid); }

/* ── Use Case Card ───────────────────────────────────────────── */
.usecase-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg); padding: 22px;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.usecase-card:hover { box-shadow: var(--shadow-md); border-color: #b8d4ea; }
.usecase-tag {
  display: inline-block; font-size: .7rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--blue-mid); background: var(--blue-pale);
  border-radius: 100px; padding: 3px 10px; margin-bottom: 10px;
}
.usecase-card h4 { font-size: .97rem; margin-bottom: .35rem; }
.usecase-card p  { font-size: .86rem; color: var(--gray-mid); }

/* ── Stats ───────────────────────────────────────────────────── */
.stat-number { font-size: 2.3rem; font-weight: 800; color: var(--blue-deep); line-height: 1; }
.stat-label  { font-size: .83rem; color: var(--gray-mid); margin-top: 4px; }

/* ── Process Steps ───────────────────────────────────────────── */
.process-steps { display: flex; gap: 0; }
.process-step { flex: 1; text-align: center; position: relative; padding: 22px 14px; }
.process-step::after {
  content:''; position:absolute; top:36px; right:-1px;
  width:100%; height:2px; background:var(--gray-light); z-index:0;
}
.process-step:last-child::after { display:none; }
.step-number {
  width:46px; height:46px; background:var(--blue-deep); color:var(--white);
  border-radius:50%; display:flex; align-items:center; justify-content:center;
  font-weight:800; font-size:1.05rem; margin:0 auto 12px; position:relative; z-index:1;
}
.process-step h4 { font-size:.92rem; margin-bottom:.25rem; }
.process-step p  { font-size:.83rem; color:var(--gray-mid); }

/* ── CTA Banner ──────────────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-mid) 100%);
  padding: 64px 0; text-align: center;
}
.cta-banner h2 { color:var(--white); margin-bottom:.7rem; }
.cta-banner p  { color:rgba(255,255,255,.8); max-width:560px; margin:0 auto 1.8rem; }
.cta-banner .btn-actions { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ── Section Title ───────────────────────────────────────────── */
.section-title { margin-bottom: 44px; }
.section-title h2 { margin-bottom:.45rem; }
.section-title p  { color:var(--gray-mid); font-size:.96rem; max-width:560px; }
.section-title.text-center p { margin:0 auto; }

/* ── Highlight Box ───────────────────────────────────────────── */
.highlight-box {
  background: var(--blue-pale);
  border: 1px solid #cfe0f0;
  border-radius: var(--radius-lg);
  padding: 26px 30px;
}
.highlight-box h4 { color:var(--blue-deep); margin-bottom:.45rem; }
.highlight-box p  { font-size:.91rem; }

/* ── Badge List ──────────────────────────────────────────────── */
.badge-list { display:flex; flex-wrap:wrap; gap:7px; }
.badge {
  display:inline-block; background:var(--blue-pale); color:var(--blue-deep);
  font-size:.77rem; font-weight:600; padding:3px 11px;
  border-radius:100px; border:1px solid #cfe0f0;
}

/* ── Industry Card ───────────────────────────────────────────── */
.industry-card {
  padding: 26px 22px; background:var(--white);
  border:1px solid var(--gray-light); border-radius:var(--radius-lg);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.industry-card:hover { box-shadow:var(--shadow-md); border-color:#b8d4ea; }
.industry-card .icon { font-size:1.7rem; margin-bottom:12px; }
.industry-card h4  { margin-bottom:.35rem; }
.industry-card p   { font-size:.86rem; color:var(--gray-mid); }
.industry-card ul  { margin-top:10px; display:flex; flex-direction:column; gap:5px; }
.industry-card ul li { font-size:.83rem; color:var(--gray-mid); padding-left:14px; position:relative; }
.industry-card ul li::before { content:'→'; position:absolute; left:0; color:var(--blue-light); font-size:.78rem; }

/* ── Contact Form ────────────────────────────────────────────── */
.contact-form {
  background:var(--white); border:1px solid var(--gray-light);
  border-radius:var(--radius-lg); padding:36px; box-shadow:var(--shadow-sm);
}
.form-row  { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-group { display:flex; flex-direction:column; gap:5px; margin-bottom:18px; }
.form-group label { font-size:.86rem; font-weight:600; color:var(--anthracite); }
.form-group input, .form-group select, .form-group textarea {
  padding:10px 13px;
  border:1px solid var(--gray-light); border-radius:var(--radius);
  font-family:var(--font-sans); font-size:.91rem;
  color:var(--anthracite); background:var(--white); outline:none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color:var(--blue-mid);
  box-shadow:0 0 0 3px rgba(38,90,143,.1);
}
.form-group textarea { resize:vertical; min-height:120px; }
.form-note { font-size:.8rem; color:var(--gray-mid); margin-top:-12px; margin-bottom:18px; }

/* ── Accordion ───────────────────────────────────────────────── */
.accordion { border:1px solid var(--gray-light); border-radius:var(--radius-lg); overflow:hidden; }
.accordion-item { border-bottom:1px solid var(--gray-light); }
.accordion-item:last-child { border-bottom:none; }
.accordion-header {
  width:100%; background:var(--white); border:none;
  padding:16px 22px; display:flex; justify-content:space-between; align-items:center;
  font-weight:600; font-size:.94rem; color:var(--anthracite);
  text-align:left; transition:background var(--transition);
}
.accordion-header:hover { background:var(--gray-bg); }
.accordion-header.open { background:var(--blue-pale); color:var(--blue-deep); }
.accordion-chevron { transition:transform var(--transition); flex-shrink:0; color:var(--gray-mid); }
.accordion-header.open .accordion-chevron { transform:rotate(180deg); color:var(--blue-mid); }
.accordion-body { display:none; padding:0 22px 18px; }
.accordion-body.open { display:block; }
.accordion-body p { font-size:.88rem; color:var(--gray-dark); }

/* ── Value Item ──────────────────────────────────────────────── */
.value-item { display:flex; gap:15px; padding:14px 0; border-bottom:1px solid var(--gray-light); }
.value-item:last-child { border-bottom:none; }
.value-icon {
  width:38px; height:38px; background:var(--blue-pale); border-radius:var(--radius);
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0; margin-top:2px;
}
.value-icon svg { color:var(--blue-deep); }
.value-item h4 { margin-bottom:.2rem; font-size:.97rem; }
.value-item p  { font-size:.87rem; color:var(--gray-mid); }

/* ── Breadcrumb ──────────────────────────────────────────────── */
.breadcrumb { background:var(--blue-pale); padding:9px 0; border-bottom:1px solid #cfe0f0; }
.breadcrumb nav { display:flex; align-items:center; gap:7px; font-size:.8rem; color:var(--gray-mid); }
.breadcrumb a   { color:var(--blue-mid); }

/* ── Divider ─────────────────────────────────────────────────── */
.divider { height:1px; background:var(--gray-light); }

/* ── Footer ──────────────────────────────────────────────────── */
.site-footer { background:var(--anthracite); color:rgba(255,255,255,.68); padding:52px 0 28px; }
.footer-grid {
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:44px;
  padding-bottom:36px; border-bottom:1px solid rgba(255,255,255,.1); margin-bottom:24px;
}
.footer-brand .name { font-size:1.08rem; font-weight:700; color:var(--white); margin-bottom:6px; }
.footer-brand .desc { font-size:.85rem; line-height:1.6; max-width:260px; }
.footer-col h5 { font-size:.88rem; font-weight:700; color:var(--white); margin-bottom:12px; }
.footer-col ul { display:flex; flex-direction:column; gap:7px; }
.footer-col ul a { font-size:.83rem; color:rgba(255,255,255,.58); transition:color var(--transition); }
.footer-col ul a:hover { color:var(--white); }
.footer-social { display:flex; gap:10px; margin-top:14px; }
.footer-social a {
  display:flex; align-items:center; justify-content:center;
  width:34px; height:34px; border-radius:var(--radius);
  background:rgba(255,255,255,.08); color:rgba(255,255,255,.68);
  transition:all var(--transition);
}
.footer-social a:hover { background:rgba(255,255,255,.18); color:var(--white); }
.footer-bottom { display:flex; justify-content:space-between; align-items:center; font-size:.8rem; }
.footer-bottom-links { display:flex; gap:18px; }
.footer-bottom-links a { color:rgba(255,255,255,.45); transition:color var(--transition); }
.footer-bottom-links a:hover { color:var(--white); }

/* ── WhatsApp FAB ────────────────────────────────────────────── */
.whatsapp-fab {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  display: flex; align-items: center; justify-content: center;
  width: 56px; height: 56px;
  background: var(--green-wa);
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(37,211,102,.4);
  transition: transform var(--transition), box-shadow var(--transition);
  color: var(--white);
}
.whatsapp-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(37,211,102,.55);
  color: var(--white);
}
.whatsapp-fab svg { width:28px; height:28px; }

/* ── Login / Download ────────────────────────────────────────── */
.login-wrap {
  min-height: calc(100vh - var(--nav-h));
  display: flex; align-items: center; justify-content: center;
  background: var(--gray-bg); padding: 40px 24px;
}
.login-card {
  background: var(--white); border:1px solid var(--gray-light);
  border-radius: var(--radius-lg); padding: 44px 40px;
  width: 100%; max-width: 420px;
  box-shadow: var(--shadow-lg);
}
.login-logo     { text-align:center; margin-bottom:1.2rem; }
.login-card h1, .login-card h2 { margin-bottom:.4rem; font-size:1.35rem; }
.login-sub      { font-size:.9rem; color:var(--gray-mid); margin-bottom:28px; }
.login-hint     { margin-top:1.2rem; font-size:.83rem; color:var(--gray-mid); text-align:center; }
.login-hint a   { color:var(--blue-mid); }
.login-error    { font-size:.88rem; color:#c0392b; background:#fdf2f2; border:1px solid #f5c6c6; border-radius:var(--radius); padding:10px 14px; margin-bottom:16px; }
.download-grid  { display:flex; flex-direction:column; gap:16px; }
.download-card  { background:var(--white); border:1px solid var(--gray-light); border-radius:var(--radius-lg); padding:24px; display:flex; align-items:center; gap:20px; transition:box-shadow var(--transition); flex-wrap:wrap; }
.download-card:hover { box-shadow:var(--shadow-md); }
.download-icon  { flex-shrink:0; }
.download-info  { flex:1; min-width:200px; }
.download-info h3 { font-size:1rem; margin-bottom:.3rem; }
.download-info p  { font-size:.87rem; color:var(--gray-mid); margin-bottom:.6rem; }
.download-meta  { display:flex; gap:8px; flex-wrap:wrap; }
.download-btn   { display:inline-flex; align-items:center; gap:8px; flex-shrink:0; }
.download-list  { display:flex; flex-direction:column; gap:12px; }
.session-bar {
  background: var(--blue-pale); border-bottom:1px solid #cfe0f0;
  padding: 10px 0; font-size:.83rem; color:var(--gray-dark);
}
.session-bar .container { display:flex; justify-content:space-between; align-items:center; }

/* ── Availability Badge ──────────────────────────────────────── */
.avail-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(93,191,138,.14); border:1px solid rgba(93,191,138,.35);
  border-radius: 100px; padding: 5px 14px;
  font-size: .77rem; font-weight: 700; letter-spacing: .04em; color: #2e7d52;
  margin-bottom: 1.1rem;
}
.avail-badge::before { content:''; width:7px; height:7px; background:#5dbf8a; border-radius:50%; }

/* ── Service Block ───────────────────────────────────────────── */
.service-block {
  display:flex; gap:18px; padding:18px;
  border-radius:var(--radius-lg); border:1px solid var(--gray-light);
  background:var(--white); transition:box-shadow var(--transition),border-color var(--transition);
}
.service-block:hover { box-shadow:var(--shadow-md); border-color:#b8d4ea; }
.service-block-icon { width:40px; height:40px; background:var(--blue-pale); border-radius:var(--radius); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.service-block h4 { margin-bottom:.25rem; color:var(--blue-deep); font-size:.95rem; }
.service-block p  { font-size:.86rem; color:var(--gray-mid); line-height:1.5; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:28px; }
}
@media (max-width: 768px) {
  .grid-2,.grid-3,.grid-2-1,.grid-1-2 { grid-template-columns:1fr; }
  .grid-4 { grid-template-columns:1fr; }
  .challenge-grid { grid-template-columns:1fr; }
  .process-steps { flex-direction:column; }
  .process-step::after { display:none; }
  .footer-grid { grid-template-columns:1fr; gap:24px; }
  .footer-bottom { flex-direction:column; gap:10px; text-align:center; }
  .form-row { grid-template-columns:1fr; }
  .hero { padding:58px 0 50px; }
  .section { padding:56px 0; }
  .section--lg { padding:72px 0; }
  .nav-links {
    display:none; position:absolute; top:var(--nav-h); left:0; right:0;
    background:var(--white); border-bottom:1px solid var(--gray-light);
    flex-direction:column; padding:10px 14px 14px;
    box-shadow:var(--shadow-md); gap:2px;
  }
  .nav-links.open { display:flex; }
  .nav-links a { width:100%; padding:9px 12px; }
  .nav-toggle { display:flex; }
  .nav-social { display:none; }
  .lang-btn { display:none; }
  .whatsapp-fab { bottom:18px; right:18px; width:50px; height:50px; }
  .login-card { padding:32px 24px; }
}
@media (max-width: 480px) {
  .container { padding:0 16px; }
  h1 { font-size:1.7rem; }
  h2 { font-size:1.4rem; }
  .btn { padding:11px 18px; font-size:.88rem; }
  .btn-lg { padding:13px 22px; }
}