/* ============================================================
   ElektrischeHaard.nl — Design System
   ============================================================ */

/* --- Variables --- */
:root {
  --dark:        #1A1209;
  --dark-2:      #2C2016;
  --dark-3:      #3D2E1C;
  --accent:      #EA580C;
  --accent-h:    #C2470A;
  --amber:       #F59E0B;
  --amber-light: #FDE68A;
  --bg:          #FDF8F3;
  --bg-2:        #F5EDE0;
  --white:       #FFFFFF;
  --text:        #1A1209;
  --text-2:      #57534E;
  --text-3:      #A8A29E;
  --border:      #E8E0D5;
  --border-2:    #D4C9B8;
  --green:       #16A34A;
  --blue:        #2563EB;
  --purple:      #7C3AED;

  --shadow-sm:   0 1px 4px rgba(26,18,9,0.08);
  --shadow-md:   0 4px 20px rgba(26,18,9,0.1);
  --shadow-lg:   0 12px 40px rgba(26,18,9,0.14);
  --shadow-xl:   0 24px 64px rgba(26,18,9,0.18);

  --radius-sm:   8px;
  --radius:      14px;
  --radius-lg:   24px;
  --radius-xl:   36px;

  --font:        'Inter', system-ui, sans-serif;
  --transition:  all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --max-w:       1200px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: var(--font); border: none; background: none; }
ul { list-style: none; }
input, select, textarea { font-family: var(--font); }

/* --- Typography --- */
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.12; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; font-weight: 600; line-height: 1.3; }
h4 { font-size: 1rem; font-weight: 600; }
p { color: var(--text-2); line-height: 1.7; }
.lead { font-size: 1.125rem; }
.accent { color: var(--accent); }
.muted { color: var(--text-3); font-size: 0.875rem; }
.text-center { text-align: center; }
.text-white { color: var(--white); }
.text-white p { color: rgba(255,255,255,0.8); }

/* --- Layout --- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

/* --- Section Headers --- */
.section-header { text-align: center; margin-bottom: 3rem; }
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  padding: 0.25rem 0.75rem;
  background: rgba(234,88,12,0.1);
  border-radius: 100px;
}
.section-header p { max-width: 540px; margin: 0.75rem auto 0; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(26,18,9,0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav-logo {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 1.125rem; font-weight: 800;
  color: var(--white); white-space: nowrap;
}
.nav-logo-icon { font-size: 1.5rem; }
.nav-links {
  display: flex; align-items: center; gap: 0.25rem;
}
.nav-links a {
  padding: 0.5rem 0.875rem;
  font-size: 0.9rem; font-weight: 500;
  color: rgba(255,255,255,0.75);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--white); background: rgba(255,255,255,0.08); }
.nav-cta {
  padding: 0.5rem 1.125rem !important;
  background: var(--accent) !important;
  color: var(--white) !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--accent-h) !important; transform: translateY(-1px); }
.nav-hamburger {
  display: none; color: white; font-size: 1.5rem;
  padding: 0.25rem; border-radius: var(--radius-sm);
}
.nav-mobile {
  display: none;
  background: var(--dark);
  padding: 1rem 1.5rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.nav-mobile.open { display: block; }
.nav-mobile a {
  display: block; padding: 0.75rem 0;
  color: rgba(255,255,255,0.8); font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}
.nav-mobile a:hover { color: var(--accent); }
.nav-mobile a:last-child { border: none; }

/* Page body offset */
body { padding-top: 68px; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem; font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: var(--white);
  box-shadow: 0 4px 16px rgba(234,88,12,0.35);
}
.btn-primary:hover { background: var(--accent-h); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(234,88,12,0.4); }
.btn-outline {
  background: transparent; color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.6); }
.btn-outline-dark {
  background: transparent; color: var(--text);
  border: 2px solid var(--border-2);
}
.btn-outline-dark:hover { border-color: var(--accent); color: var(--accent); }
.btn-dark {
  background: var(--dark); color: var(--white);
  box-shadow: 0 4px 16px rgba(26,18,9,0.2);
}
.btn-dark:hover { background: var(--dark-2); transform: translateY(-2px); }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; }
.btn-lg { padding: 1rem 2.25rem; font-size: 1rem; }
.btn-full { width: 100%; }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--border-2); }
.card-body { padding: 1.5rem; }
.card-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border); background: var(--bg); }

/* ============================================================
   BADGES
   ============================================================ */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: white;
}

/* ============================================================
   STAR RATING
   ============================================================ */
.stars { color: var(--amber); letter-spacing: -2px; }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.875rem; font-weight: 600;
  color: var(--text); margin-bottom: 0.375rem;
}
.form-group .required { color: var(--accent); }
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--text);
  background: var(--white);
  transition: var(--transition);
  appearance: none;
}
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(234,88,12,0.12); }
.form-control::placeholder { color: var(--text-3); }
textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%2378716C' d='M4 6l4 4 4-4'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.75rem center; background-size: 16px; padding-right: 2.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-hint { font-size: 0.8125rem; color: var(--text-3); margin-top: 0.25rem; }

/* ============================================================
   FLAME ANIMATION (Hero)
   ============================================================ */
.flame-wrap {
  position: relative;
  width: 180px; height: 240px;
  margin: 0 auto;
  flex-shrink: 0;
}
.fl {
  position: absolute; bottom: 0; left: 50%;
  transform: translateX(-50%);
  border-radius: 50% 50% 35% 35% / 60% 60% 40% 40%;
  transform-origin: bottom center;
}
.fl-1 {
  width: 200px; height: 260px;
  background: radial-gradient(ellipse at 50% 100%, rgba(255,45,0,0.85), rgba(180,20,0,0.4) 55%, transparent 80%);
  filter: blur(14px);
  animation: fk1 3s ease-in-out infinite;
}
.fl-2 {
  width: 150px; height: 210px;
  background: radial-gradient(ellipse at 50% 100%, rgba(255,110,0,0.9), rgba(220,60,0,0.5) 55%, transparent 80%);
  filter: blur(7px);
  animation: fk2 2.6s ease-in-out infinite 0.3s;
}
.fl-3 {
  width: 100px; height: 155px;
  background: radial-gradient(ellipse at 50% 100%, #FF9D00 0%, rgba(255,130,0,0.8) 50%, transparent 85%);
  filter: blur(3px);
  animation: fk1 2s ease-in-out infinite 0.6s;
}
.fl-4 {
  width: 60px; height: 105px;
  background: radial-gradient(ellipse at 50% 100%, #FFD700 0%, #FF8C00 60%, transparent 90%);
  filter: blur(1px);
  animation: fk2 1.5s ease-in-out infinite 0.1s;
}
.fl-5 {
  width: 26px; height: 55px;
  background: radial-gradient(ellipse at 50% 100%, #fff 0%, #FFE066 40%, #FF9D00 80%);
  animation: fk1 1s ease-in-out infinite 0.4s;
}
.fl-glow {
  position: absolute; bottom: -20px; left: 50%;
  transform: translateX(-50%);
  width: 200px; height: 60px;
  background: radial-gradient(ellipse, rgba(255,80,0,0.35), transparent 70%);
  filter: blur(10px);
  animation: glow 2s ease-in-out infinite alternate;
}
@keyframes fk1 {
  0%   { transform: translateX(-50%) rotate(-1.5deg) scaleX(1); }
  25%  { transform: translateX(-50%) rotate(2deg) scaleX(0.94); }
  50%  { transform: translateX(-50%) rotate(-0.5deg) scaleX(1.06); }
  75%  { transform: translateX(-50%) rotate(2.5deg) scaleX(0.92); }
  100% { transform: translateX(-50%) rotate(-1.5deg) scaleX(1); }
}
@keyframes fk2 {
  0%   { transform: translateX(-50%) rotate(1deg) scaleX(1.02); }
  33%  { transform: translateX(-50%) rotate(-2deg) scaleX(0.95); }
  66%  { transform: translateX(-50%) rotate(1.5deg) scaleX(1.04); }
  100% { transform: translateX(-50%) rotate(1deg) scaleX(1.02); }
}
@keyframes glow {
  from { opacity: 0.7; transform: translateX(-50%) scaleX(0.95); }
  to   { opacity: 1;   transform: translateX(-50%) scaleX(1.05); }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(160deg, var(--dark) 0%, var(--dark-2) 50%, #1F1508 100%);
  padding: 5rem 0 6rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 80%, rgba(234,88,12,0.12) 0%, transparent 60%);
}
.hero-inner {
  display: flex; align-items: center; gap: 4rem;
  position: relative; z-index: 1;
}
.hero-content { flex: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.8125rem; font-weight: 600;
  color: var(--amber); letter-spacing: 0.05em;
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.25);
  padding: 0.375rem 0.875rem;
  border-radius: 100px; margin-bottom: 1.5rem;
}
.hero h1 { color: var(--white); margin-bottom: 1.25rem; }
.hero p { color: rgba(255,255,255,0.72); margin-bottom: 2rem; max-width: 520px; font-size: 1.0625rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.hero-stats {
  display: flex; gap: 2rem; flex-wrap: wrap;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stat-num {
  font-size: 1.75rem; font-weight: 800;
  color: var(--white); display: block; line-height: 1;
  margin-bottom: 0.25rem;
}
.hero-stat-label { font-size: 0.8125rem; color: rgba(255,255,255,0.55); }
.hero-visual {
  flex-shrink: 0; display: flex;
  flex-direction: column; align-items: center;
  gap: 1rem;
}

/* Hero search bar */
.hero-search {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-top: 2rem;
  backdrop-filter: blur(4px);
}
.hero-search-inner { display: flex; gap: 0.75rem; align-items: flex-end; flex-wrap: wrap; }
.hero-search label { color: rgba(255,255,255,0.7); font-size: 0.875rem; font-weight: 500; margin-bottom: 0.375rem; display: block; }
.hero-search .form-control {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.15);
  color: white;
}
.hero-search .form-control::placeholder { color: rgba(255,255,255,0.4); }
.hero-search .form-control:focus { border-color: var(--accent); background: rgba(255,255,255,0.15); }
.hero-search .form-control option { background: var(--dark); color: white; }
.hero-search-field { flex: 1; min-width: 160px; }
.hero-search-select { width: 130px; }

/* ============================================================
   USP CARDS
   ============================================================ */
.usp-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
}
.usp-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.usp-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, rgba(234,88,12,0.1), rgba(245,158,11,0.1));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 1.25rem;
}
.usp-card h3 { margin-bottom: 0.5rem; }

/* ============================================================
   BRAND CARDS
   ============================================================ */
.brand-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 1.75rem;
  transition: var(--transition);
  position: relative;
}
.brand-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: rgba(234,88,12,0.25); }
.brand-card-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 1rem; }
.brand-logo {
  width: 64px; height: 64px;
  border-radius: var(--radius-sm);
  background: var(--dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 800; color: var(--white);
  letter-spacing: -1px; flex-shrink: 0;
}
.brand-name { font-size: 1.125rem; font-weight: 700; margin-bottom: 0.25rem; }
.brand-country { font-size: 0.8125rem; color: var(--text-3); }
.brand-highlights { list-style: none; margin: 1rem 0; }
.brand-highlights li {
  font-size: 0.875rem; color: var(--text-2);
  padding: 0.2rem 0; display: flex; align-items: center; gap: 0.5rem;
}
.brand-highlights li::before { content: '✓'; color: var(--green); font-weight: 700; font-size: 0.75rem; }
.brand-price {
  font-size: 0.8125rem; color: var(--text-3);
  margin-bottom: 1rem;
}
.brand-price strong { color: var(--text); }
.brand-types { display: flex; flex-wrap: wrap; gap: 0.375rem; margin-bottom: 1.25rem; }
.type-chip {
  padding: 0.2rem 0.6rem;
  background: var(--bg-2);
  border-radius: 100px;
  font-size: 0.75rem; font-weight: 500; color: var(--text-2);
}
.brand-flag { font-size: 1.25rem; }

/* ============================================================
   INSTALLER CARDS
   ============================================================ */
.installer-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 1.5rem;
  transition: var(--transition);
  display: flex; gap: 1.25rem;
}
.installer-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.installer-avatar {
  width: 56px; height: 56px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--dark), var(--dark-3));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; flex-shrink: 0;
  color: var(--accent);
}
.installer-body { flex: 1; }
.installer-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 0.375rem; }
.installer-name { font-size: 1rem; font-weight: 700; }
.installer-distance {
  font-size: 0.8125rem; font-weight: 700;
  color: var(--accent); white-space: nowrap;
  background: rgba(234,88,12,0.1);
  padding: 0.2rem 0.6rem; border-radius: 100px;
}
.installer-city { font-size: 0.875rem; color: var(--text-3); margin-bottom: 0.5rem; }
.installer-desc { font-size: 0.875rem; color: var(--text-2); margin-bottom: 0.75rem; line-height: 1.6; }
.installer-meta { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
.installer-rating { display: flex; align-items: center; gap: 0.35rem; font-size: 0.875rem; }
.installer-brands { display: flex; flex-wrap: wrap; gap: 0.375rem; }

/* ============================================================
   SEARCH BOX
   ============================================================ */
.search-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  padding: 2rem;
}
.search-box-inner { display: flex; gap: 1rem; align-items: flex-end; flex-wrap: wrap; }
.search-box-field { flex: 1; min-width: 200px; }
.search-box-select { width: 150px; }
.search-results-info {
  font-size: 0.9rem; color: var(--text-3);
  padding: 0.75rem 0; border-top: 1px solid var(--border);
  margin-top: 1rem;
}

/* ============================================================
   TABS
   ============================================================ */
.tabs { display: flex; gap: 0.375rem; background: var(--bg-2); padding: 0.375rem; border-radius: var(--radius-sm); width: fit-content; }
.tab-btn {
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 600; color: var(--text-3);
  transition: var(--transition);
}
.tab-btn.active { background: var(--white); color: var(--text); box-shadow: var(--shadow-sm); }
.tab-btn:hover:not(.active) { color: var(--text); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ============================================================
   KEUZEHULP — Info cards
   ============================================================ */
.keuze-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.keuze-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.keuze-card:hover { box-shadow: var(--shadow-md); border-color: var(--border-2); }
.keuze-card-header {
  padding: 1.5rem 1.5rem 1rem;
  display: flex; align-items: flex-start; gap: 1rem;
  cursor: pointer; user-select: none;
}
.keuze-card-icon {
  width: 52px; height: 52px; flex-shrink: 0;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
}
.keuze-card-icon-1 { background: linear-gradient(135deg,#FFF3E0,#FFE0CC); }
.keuze-card-icon-2 { background: linear-gradient(135deg,#E8F5E9,#C8E6C9); }
.keuze-card-icon-3 { background: linear-gradient(135deg,#E3F2FD,#BBDEFB); }
.keuze-card-icon-4 { background: linear-gradient(135deg,#F3E5F5,#E1BEE7); }
.keuze-card-icon-5 { background: linear-gradient(135deg,#FFF8E1,#FFE082); }
.keuze-card-icon-6 { background: linear-gradient(135deg,#E8EAF6,#C5CAE9); }
.keuze-card-title { font-size: 1rem; font-weight: 700; margin-bottom: 0.25rem; }
.keuze-card-subtitle { font-size: 0.8125rem; color: var(--text-3); }
.keuze-card-chevron { margin-left: auto; color: var(--text-3); transition: var(--transition); font-size: 0.875rem; }
.keuze-card.open .keuze-card-chevron { transform: rotate(180deg); color: var(--accent); }
.keuze-card-body {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1);
}
.keuze-card.open .keuze-card-body { max-height: 600px; }
.keuze-card-body-inner {
  padding: 0 1.5rem 1.5rem;
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  margin-top: 0;
}
.keuze-options { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 0.75rem; }
.keuze-option {
  display: flex; gap: 0.75rem; align-items: flex-start;
  padding: 0.875rem;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.keuze-option-icon { font-size: 1.25rem; flex-shrink: 0; margin-top: 0.1rem; }
.keuze-option-name { font-size: 0.875rem; font-weight: 600; margin-bottom: 0.1rem; }
.keuze-option-desc { font-size: 0.8125rem; color: var(--text-3); line-height: 1.5; }
.keuze-tip {
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  background: rgba(234,88,12,0.06);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.8375rem; color: var(--text-2); line-height: 1.5;
}
.keuze-tip strong { color: var(--accent); }

/* ============================================================
   CHAT INTERFACE
   ============================================================ */
.chat-container {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 760px;
  margin: 0 auto;
}
.chat-header {
  background: linear-gradient(135deg, var(--dark), var(--dark-2));
  padding: 1.25rem 1.5rem;
  display: flex; align-items: center; gap: 1rem;
}
.chat-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--amber));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; flex-shrink: 0;
}
.chat-header-info h4 { color: var(--white); font-size: 0.9375rem; }
.chat-header-info p { color: rgba(255,255,255,0.6); font-size: 0.8125rem; margin: 0; }
.chat-status {
  width: 8px; height: 8px; border-radius: 50%;
  background: #22C55E;
  box-shadow: 0 0 0 2px rgba(34,197,94,0.25);
  display: inline-block; margin-right: 0.375rem;
}
.chat-messages {
  height: 420px; overflow-y: auto;
  padding: 1.5rem;
  display: flex; flex-direction: column; gap: 1rem;
  background: var(--bg);
}
.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 2px; }
.chat-message { display: flex; gap: 0.75rem; max-width: 85%; }
.chat-message.user { flex-direction: row-reverse; margin-left: auto; }
.chat-bubble {
  padding: 0.875rem 1.125rem;
  border-radius: var(--radius);
  font-size: 0.9375rem; line-height: 1.6;
  box-shadow: var(--shadow-sm);
}
.chat-message.bot .chat-bubble {
  background: var(--white); color: var(--text);
  border-radius: 4px var(--radius) var(--radius) var(--radius);
  border: 1px solid var(--border);
}
.chat-message.user .chat-bubble {
  background: var(--accent); color: var(--white);
  border-radius: var(--radius) 4px var(--radius) var(--radius);
}
.chat-msg-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0; margin-top: 0.25rem;
}
.chat-msg-avatar.bot { background: linear-gradient(135deg,var(--accent),var(--amber)); }
.chat-msg-avatar.user { background: var(--dark); color: var(--white); font-size: 0.75rem; font-weight: 700; }
.chat-typing {
  display: flex; align-items: center; gap: 4px;
  padding: 0.875rem 1.125rem;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 4px var(--radius) var(--radius) var(--radius);
  box-shadow: var(--shadow-sm);
  width: fit-content;
}
.chat-typing span {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--text-3);
  animation: typingDot 1.4s ease-in-out infinite;
}
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingDot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-5px); opacity: 1; }
}
.chat-footer { padding: 1rem; border-top: 1px solid var(--border); background: var(--white); }
.chat-input-row { display: flex; gap: 0.75rem; }
.chat-input {
  flex: 1; padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem; color: var(--text);
  transition: var(--transition); resize: none;
  font-family: var(--font); max-height: 120px;
}
.chat-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(234,88,12,0.1); }
.chat-send {
  width: 48px; height: 48px;
  background: var(--accent); color: white;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition); font-size: 1.25rem; flex-shrink: 0;
}
.chat-send:hover { background: var(--accent-h); transform: scale(1.05); }
.chat-disclaimer { font-size: 0.75rem; color: var(--text-3); text-align: center; margin-top: 0.75rem; }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.steps { counter-reset: steps; }
.step { display: flex; gap: 1.5rem; align-items: flex-start; padding: 2rem 0; border-bottom: 1px solid var(--border); }
.step:last-child { border-bottom: none; }
.step-num {
  counter-increment: steps;
  width: 48px; height: 48px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent), var(--amber));
  color: var(--white); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.125rem; font-weight: 800;
}
.step-content h3 { margin-bottom: 0.375rem; }
.step-content p { font-size: 0.9375rem; }

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-header {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  padding: 3.5rem 0;
  position: relative;
}
.page-header::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--amber));
}
.page-header h1 { color: var(--white); font-size: clamp(1.75rem, 4vw, 2.75rem); }
.page-header p { color: rgba(255,255,255,0.65); max-width: 560px; margin: 0; }

/* ============================================================
   FILTERS BAR
   ============================================================ */
.filters-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky; top: 68px; z-index: 100;
  box-shadow: 0 2px 8px rgba(26,18,9,0.04);
}
.filters-inner { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }
.filter-btn {
  padding: 0.4rem 0.875rem;
  border: 1.5px solid var(--border-2);
  border-radius: 100px;
  font-size: 0.8375rem; font-weight: 500; color: var(--text-2);
  background: var(--white); transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--accent); color: var(--accent);
  background: rgba(234,88,12,0.05);
}
.filter-label { font-size: 0.8375rem; font-weight: 600; color: var(--text); }
.filter-select { padding: 0.4rem 0.875rem; border: 1.5px solid var(--border-2); border-radius: 100px; font-size: 0.8375rem; color: var(--text-2); cursor: pointer; }

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-3) 100%);
  padding: 5rem 0;
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; top: -40px; right: -40px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(234,88,12,0.15), transparent 70%);
  border-radius: 50%;
}
.cta-section h2 { color: var(--white); }
.cta-section p { color: rgba(255,255,255,0.7); }

/* ============================================================
   EMAIL TEMPLATE
   ============================================================ */
.email-template {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  font-family: 'Georgia', serif;
  line-height: 1.8;
  position: relative;
}
.email-template-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 1rem;
}
.email-template h4 { font-family: var(--font); color: var(--text); }
.email-copy-btn {
  font-family: var(--font);
  font-size: 0.8125rem; font-weight: 600;
  color: var(--accent);
  padding: 0.35rem 0.875rem;
  border: 1.5px solid var(--accent);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.email-copy-btn:hover { background: var(--accent); color: var(--white); }
.email-body { font-size: 0.9375rem; color: var(--text-2); }
.email-body p { margin-bottom: 1rem; color: var(--text-2); font-family: inherit; }
.email-body .highlight { font-style: italic; color: var(--accent); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.65);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-logo {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 1.125rem; font-weight: 800; color: var(--white);
  margin-bottom: 1rem;
}
.footer-logo-icon { font-size: 1.5rem; }
.footer-desc { font-size: 0.875rem; line-height: 1.7; max-width: 240px; }
.footer h5 { color: var(--white); font-size: 0.875rem; font-weight: 700; margin-bottom: 1rem; letter-spacing: 0.04em; text-transform: uppercase; }
.footer-links { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a { font-size: 0.875rem; color: rgba(255,255,255,0.55); transition: var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
  font-size: 0.8125rem;
}
.footer-bottom a { color: rgba(255,255,255,0.5); transition: var(--transition); }
.footer-bottom a:hover { color: var(--white); }

/* ============================================================
   UTILITIES
   ============================================================ */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.hidden { display: none !important; }
.empty-state {
  text-align: center; padding: 3rem;
  color: var(--text-3);
}
.empty-state-icon { font-size: 3rem; margin-bottom: 1rem; }
.spinner {
  width: 24px; height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }
.notice {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-top: 1rem;
}
.notice-success { background: rgba(22,163,74,0.08); border: 1px solid rgba(22,163,74,0.2); color: #15803D; }
.notice-error { background: rgba(220,38,38,0.08); border: 1px solid rgba(220,38,38,0.2); color: #DC2626; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
  .hero-inner { flex-direction: column; text-align: center; gap: 2.5rem; }
  .hero p { margin: 0 auto 2rem; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-desc { max-width: 100%; }
  .installer-card { flex-direction: column; }
  .form-row { grid-template-columns: 1fr; }
  .search-box-inner { flex-direction: column; align-items: stretch; }
  .search-box-select { width: 100%; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.875rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; }
  .hero-stats { gap: 1.25rem; }
  .section { padding: 3rem 0; }
  .tabs { width: 100%; }
  .tab-btn { flex: 1; text-align: center; }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.5s ease both; }
.fade-up-2 { animation: fadeUp 0.5s ease 0.1s both; }
.fade-up-3 { animation: fadeUp 0.5s ease 0.2s both; }