/* ============================================================
   LAKEFRONT WATER SOLUTIONS — Design Tokens & Components
   ============================================================ */

:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);
  --text-hero: clamp(2.75rem, 1rem + 5.5vw, 5.5rem);

  /* Spacing (4px system) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  --font-display: 'DM Sans', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
}

/* ---------- LIGHT (default) — Lakefront brand: deep navy + sandy copper on cream/white ---------- */
:root,
[data-theme='light'] {
  --color-bg: #f8f6f3;
  --color-surface: #ffffff;
  --color-surface-2: #f2efea;
  --color-surface-offset: #eae6df;
  --color-surface-offset-2: #ddd7cd;
  --color-surface-dynamic: #cfc7ba;
  --color-divider: #e3ddd3;
  --color-border: #d1c9bc;

  --color-text: #1f2a38;
  --color-text-muted: #5a6472;
  --color-text-faint: #8b95a3;
  --color-text-inverse: #f8f6f3;

  --color-primary: #1f2a38;
  --color-primary-hover: #17202b;
  --color-primary-active: #10161e;
  --color-primary-highlight: #dde1e6;

  --color-gold: #c97f4e;
  --color-gold-hover: #b06b3e;
  --color-gold-active: #92572f;
  --color-gold-highlight: #f2ddc9;

  --color-success: #3f7d4a;
  --color-success-highlight: #d3e7d6;
  --color-warning: #a15a26;
  --color-warning-highlight: #ecdac7;
  --color-error: #a3384a;
  --color-error-highlight: #e6d3d7;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 240 / 0.06);
  --shadow-md: 0 8px 24px oklch(0.2 0.02 240 / 0.09);
  --shadow-lg: 0 16px 48px oklch(0.2 0.02 240 / 0.14);
}

[data-theme='dark'] {
  --color-bg: #141c26;
  --color-surface: #1f2a38;
  --color-surface-2: #253141;
  --color-surface-offset: #2b3849;
  --color-surface-offset-2: #334259;
  --color-surface-dynamic: #3c4d66;
  --color-divider: #2d3a4b;
  --color-border: #3d4d62;

  --color-text: #eef1f4;
  --color-text-muted: #a7b0bb;
  --color-text-faint: #78828f;
  --color-text-inverse: #1f2a38;

  --color-primary: #c97f4e;
  --color-primary-hover: #d89568;
  --color-primary-active: #e6ab85;
  --color-primary-highlight: #3a2a1e;

  --color-gold: #dba76d;
  --color-gold-hover: #e6ba88;
  --color-gold-active: #f0cca3;
  --color-gold-highlight: #46331f;

  --color-success: #7fbf8a;
  --color-success-highlight: #1e3a24;
  --color-warning: #d59463;
  --color-warning-highlight: #3d2a1a;
  --color-error: #d97e8f;
  --color-error-highlight: #3b232a;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 16px 48px oklch(0 0 0 / 0.45);
}

/* ---------- Layout helpers ---------- */
.wrap {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-12));
}
.wrap--narrow {
  max-width: var(--content-default);
}
section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text);
  max-width: 40ch;
}
.section-lede {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-top: var(--space-4);
}
.section-head {
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.section-head--center {
  text-align: center;
  margin-inline: auto;
}
.section-head--center .section-lede {
  margin-inline: auto;
}
.section-head--split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  min-height: 44px;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}
.btn-ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-ghost:hover {
  background: var(--color-surface-2);
  border-color: var(--color-primary);
}
.btn-block {
  width: 100%;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition:
    transform 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}
.header--hidden {
  transform: translateY(-100%);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  gap: var(--space-6);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  letter-spacing: -0.01em;
}
.brand svg {
  width: 34px;
  height: 34px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.brand-sub {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav-links {
  display: flex;
  gap: var(--space-6);
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}
.nav-links a:hover {
  color: var(--color-primary);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.theme-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    inset: 64px var(--space-4) auto var(--space-4);
    flex-direction: column;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    box-shadow: var(--shadow-lg);
    gap: 0;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition:
      opacity 0.2s var(--ease),
      transform 0.2s var(--ease);
  }
  .nav-links.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .nav-links a {
    padding: var(--space-3) var(--space-2);
    border-bottom: 1px solid var(--color-divider);
    width: 100%;
  }
  .nav-links a:last-child {
    border-bottom: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .header-actions .btn-primary.header-cta {
    display: none;
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(var(--space-16), 12vw, var(--space-32)) clamp(var(--space-16), 8vw, var(--space-24));
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--color-bg) 20%, transparent) 0%,
    color-mix(in oklab, var(--color-bg) 78%, transparent) 55%,
    var(--color-bg) 100%
  );
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(var(--space-10), 6vw, var(--space-16));
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary-active, var(--color-primary));
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-6);
}
[data-theme='dark'] .hero-badge {
  color: var(--color-primary);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.03;
  color: var(--color-text);
}
.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.hero-sub {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 52ch;
}
.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.hero-note {
  margin-top: var(--space-5);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.hero-note svg {
  width: 14px;
  height: 14px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.hero-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 3vw, var(--space-8));
  box-shadow: var(--shadow-lg);
}
.hero-card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}
.hero-card-sub {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.hero-stat-list {
  display: grid;
  gap: var(--space-4);
}
.hero-stat {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.hero-stat:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.hero-stat svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}
.hero-stat strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
}
.hero-stat span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

@media (max-width: 940px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Credentials strip ---------- */
.credentials {
  padding-block: clamp(var(--space-10), 5vw, var(--space-16));
  border-bottom: 1px solid var(--color-divider);
}
.credentials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
.credential-card {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.credential-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  flex-shrink: 0;
}
[data-theme='dark'] .credential-icon {
  color: var(--color-primary);
}
.credential-icon svg {
  width: 22px;
  height: 22px;
}
.credential-card h3 {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-1);
}
.credential-card p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
@media (max-width: 900px) {
  .credentials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 540px) {
  .credentials-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}
[data-theme='dark'] .service-icon {
  color: var(--color-primary);
}
.service-icon svg {
  width: 24px;
  height: 24px;
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
}
.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  flex-grow: 1;
}
.service-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}
@media (max-width: 980px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Process ---------- */
.process {
  background: var(--color-surface-2);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.process-media {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-md);
}
.process-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.process-step {
  display: flex;
  flex-direction: column;
}
.process-num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}
.process-step h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.process-step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.process-step:not(:has(.process-media)) {
  justify-content: flex-start;
}
@media (max-width: 900px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   ESTIMATOR WIZARD
   ============================================================ */
.estimator {
  position: relative;
}
.estimator-shell {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.estimator-progress-track {
  height: 4px;
  background: var(--color-divider);
}
.estimator-progress-bar {
  height: 100%;
  background: var(--color-primary);
  width: 12.5%;
  transition: width 0.4s var(--ease);
}
.estimator-steps-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-5) clamp(var(--space-5), 4vw, var(--space-10)) 0;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.estimator-steps-label span:last-child {
  color: var(--color-primary);
}
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.estimator-body {
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  min-height: 360px;
  display: flex;
  flex-direction: column;
}
.estimator-step {
  display: none;
  flex-direction: column;
  gap: var(--space-6);
  flex-grow: 1;
  animation: fade-in 0.35s var(--ease);
}
.estimator-step.is-active {
  display: flex;
}
@keyframes fade-in {
  from {
    opacity: 0;
    clip-path: inset(0 0 12% 0);
  }
  to {
    opacity: 1;
    clip-path: inset(0 0 0 0);
  }
}
.estimator-step h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}
.estimator-step .estimator-help {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: calc(var(--space-2) * -1);
}
.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-3);
}
.option-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  cursor: pointer;
  background: var(--color-surface);
  text-align: left;
}
.option-card:hover {
  border-color: var(--color-primary);
}
.option-card.is-selected {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
}
.option-card input {
  accent-color: var(--color-primary);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.option-card-label {
  display: flex;
  flex-direction: column;
}
.option-card-label strong {
  font-size: var(--text-sm);
  font-weight: 600;
}
.option-card-label span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.field label {
  font-size: var(--text-sm);
  font-weight: 600;
}
.field input[type='text'],
.field input[type='email'],
.field input[type='tel'] {
  padding: var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-base);
  width: 100%;
}
.field input:focus-visible {
  border-color: var(--color-primary);
}
.field-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  display: none;
}
.field.has-error input {
  border-color: var(--color-error);
}
.field.has-error .field-error {
  display: block;
}
.zip-profile {
  margin-top: var(--space-2);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-primary-highlight);
  background: var(--color-primary-highlight);
  padding: var(--space-4);
  display: none;
  gap: var(--space-3);
  align-items: flex-start;
}
.zip-profile.is-visible {
  display: flex;
}
.zip-profile svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary-active, var(--color-primary));
  flex-shrink: 0;
  margin-top: 2px;
}
[data-theme='dark'] .zip-profile svg {
  color: var(--color-primary);
}
.zip-profile p {
  font-size: var(--text-sm);
  color: var(--color-text);
}
.zip-profile strong {
  color: var(--color-primary-active, var(--color-primary));
}
[data-theme='dark'] .zip-profile strong {
  color: var(--color-primary);
}

.upload-zone {
  border: 1.5px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  text-align: center;
  cursor: pointer;
  background: var(--color-surface-2);
}
.upload-zone:hover {
  border-color: var(--color-primary);
}
.upload-zone svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
  margin-inline: auto;
  margin-bottom: var(--space-3);
}
.upload-zone strong {
  display: block;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}
.upload-zone span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.upload-previews {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.upload-thumb {
  position: relative;
  width: 88px;
  height: 88px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.upload-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.upload-thumb button {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: color-mix(in oklab, black 55%, transparent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
}
.upload-thumb button svg {
  width: 12px;
  height: 12px;
}

.estimator-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: var(--space-8);
  gap: var(--space-4);
}
.estimator-nav .spacer {
  flex-grow: 1;
}

/* Summary / result screen */
.estimate-result {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-8);
}
.estimate-range-card {
  background: linear-gradient(160deg, var(--color-primary), var(--color-primary-active));
  color: var(--color-text-inverse);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.estimate-range-card .tag {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: var(--space-3);
}
.estimate-range-card .range {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
}
.estimate-range-card p {
  font-size: var(--text-sm);
  opacity: 0.92;
  max-width: 42ch;
}
.estimate-notes {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.estimate-note {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
}
.estimate-note svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}
.estimate-note p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.estimate-note strong {
  color: var(--color-text);
}
@media (max-width: 860px) {
  .estimate-result {
    grid-template-columns: 1fr;
  }
}

.success-screen {
  text-align: center;
  padding-block: var(--space-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.success-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--color-success-highlight);
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
}
.success-icon svg {
  width: 30px;
  height: 30px;
}
.success-screen h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
}
.success-screen p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 46ch;
}

/* ---------- Education ---------- */
.education {
  background: var(--color-surface-2);
}
.education-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: var(--space-6);
}
.education-feature {
  grid-row: span 2;
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  min-height: 420px;
  box-shadow: var(--shadow-md);
}
.education-feature img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.education-feature::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(6, 20, 24, 0.88) 0%, rgba(6, 20, 24, 0.15) 55%, transparent 80%);
}
.education-feature-content {
  position: absolute;
  inset: auto var(--space-6) var(--space-6) var(--space-6);
  color: #f4fafb;
  z-index: 1;
}
.education-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #bfe4ea;
  margin-bottom: var(--space-2);
}
.education-feature-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}
.education-feature-content p {
  font-size: var(--text-sm);
  color: #d9ecee;
}
.education-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.education-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
}
.education-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
@media (max-width: 980px) {
  .education-grid {
    grid-template-columns: 1fr 1fr;
  }
  .education-feature {
    grid-column: span 2;
    min-height: 320px;
  }
}
@media (max-width: 640px) {
  .education-grid {
    grid-template-columns: 1fr;
  }
  .education-feature {
    grid-column: span 1;
  }
}

/* ---------- Service area ---------- */
.area-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.area-chip {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface);
}

/* ---------- Final CTA ---------- */
.final-cta {
  background: linear-gradient(160deg, var(--color-primary), var(--color-primary-active));
  border-radius: var(--radius-xl);
  color: var(--color-text-inverse);
  padding: clamp(var(--space-10), 6vw, var(--space-20));
  text-align: center;
}
.final-cta h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  max-width: 26ch;
  margin-inline: auto;
}
.final-cta p {
  margin-top: var(--space-4);
  opacity: 0.9;
  max-width: 56ch;
  margin-inline: auto;
}
.final-cta .hero-cta-row {
  justify-content: center;
  margin-top: var(--space-8);
}
.final-cta .btn-ghost {
  color: var(--color-text-inverse);
  border-color: color-mix(in oklab, white 40%, transparent);
}
.final-cta .btn-ghost:hover {
  background: color-mix(in oklab, white 12%, transparent);
}
.final-cta .btn-primary {
  background: var(--color-text-inverse);
  color: var(--color-primary-active);
}
.final-cta .btn-primary:hover {
  background: color-mix(in oklab, white 85%, var(--color-primary-highlight));
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-10);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-10);
}
.footer-brand p {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 40ch;
}
.footer-col h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-col a,
.footer-col span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer-col a:hover {
  color: var(--color-primary);
}
.footer-bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
@media (max-width: 780px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: span 2;
  }
}
@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    grid-column: span 1;
  }
}