/* style.css — Pro Finish Detailing — charcoal-black + electric-blue brand */

:root,
[data-theme='light'] {
  /* ---- Approved brand palette ---- */
  --color-bg: #f4f6f8;
  --color-surface: #ffffff;
  --color-surface-2: #e4e8ed;
  --color-surface-offset: #eef1f4;
  --color-border: #d7dde3;
  --color-divider: #dde2e7;

  --color-text: #14161a;
  --color-text-muted: #4b5158;
  --color-text-faint: #7a828b;
  --color-text-inverse: #f4f6f8;

  --color-primary: #1c7fcc;
  --color-primary-hover: #15629e;
  --color-primary-active: #114b7a;
  --color-primary-highlight: #d7ecfb;
  --color-primary-on: #ffffff;

  --color-success: #2f9e64;
  --color-success-highlight: #d9f0e3;

  --radius-sm: 0.4rem;
  --radius-md: 0.65rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

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

  --shadow-sm: 0 1px 2px rgba(20, 22, 26, 0.08);
  --shadow-md: 0 8px 24px rgba(20, 22, 26, 0.1);
  --shadow-lg: 0 24px 60px rgba(20, 22, 26, 0.16);
  --shadow-glow: 0 0 0 1px rgba(47, 167, 255, 0.16), 0 12px 40px rgba(47, 167, 255, 0.18);

  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1240px;

  --font-display: 'Clash Display', 'General Sans', sans-serif;
  --font-body: 'General Sans', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

[data-theme='dark'] {
  --color-bg: #14161a;
  --color-surface: #1e2126;
  --color-surface-2: #23272d;
  --color-surface-offset: #191b1f;
  --color-border: #30343b;
  --color-divider: #2a2e34;

  --color-text: #f4f6f8;
  --color-text-muted: #a7aeb6;
  --color-text-faint: #6c7480;
  --color-text-inverse: #14161a;

  --color-primary: #2fa7ff;
  --color-primary-hover: #5cbcff;
  --color-primary-active: #1c7fcc;
  --color-primary-highlight: #1d3a54;
  --color-primary-on: #0b1620;

  --color-success: #3fbf7f;
  --color-success-highlight: #163a2a;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 30px 70px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 0 1px rgba(47, 167, 255, 0.25), 0 0 50px rgba(47, 167, 255, 0.22);
}

/* ---- Type scale ---- */
:root {
  --text-xs: clamp(0.75rem, 0.71rem + 0.2vw, 0.85rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.28vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem);
  --text-xl: clamp(1.5rem, 1.25rem + 1.25vw, 2.1rem);
  --text-2xl: clamp(2.1rem, 1.4rem + 2.6vw, 3.4rem);
  --text-3xl: clamp(2.6rem, 1.4rem + 4.5vw, 5rem);

  --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;
}

/* ================= LAYOUT UTILITIES ================= */
.container {
  width: min(calc(100% - 2.5rem), var(--content-wide));
  margin-inline: auto;
}
.container--narrow {
  width: min(calc(100% - 2.5rem), var(--content-default));
  margin-inline: auto;
}
.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
  position: relative;
}
.section-head {
  max-width: 62ch;
  margin-bottom: var(--space-10);
}
.section-head--center {
  margin-inline: auto;
  text-align: center;
}
.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: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.eyebrow::before {
  content: '';
  width: 1.4rem;
  height: 2px;
  background: var(--color-primary);
  display: inline-block;
}
h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  font-weight: 600;
}
h1 {
  font-size: var(--text-3xl);
  line-height: 1.02;
  letter-spacing: -0.03em;
}
h2 {
  font-size: var(--text-2xl);
  line-height: 1.05;
  margin-top: var(--space-3);
}
h3 {
  font-size: var(--text-lg);
  line-height: 1.15;
}
p {
  color: var(--color-text-muted);
}
.lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-top: var(--space-4);
}

a {
  color: inherit;
  text-decoration: none;
}

/* ================= SKIP LINK ================= */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-primary-on);
  padding: var(--space-3) var(--space-4);
  z-index: 1000;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

/* ================= BUTTONS ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: 0 var(--space-6);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--text-sm);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-on);
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}
.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}
.btn-ghost {
  background: color-mix(in oklab, var(--color-surface) 60%, transparent);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-block {
  width: 100%;
}
.btn-lg {
  min-height: 56px;
  padding: 0 var(--space-8);
  font-size: var(--text-base);
}
.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.icon {
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
}

/* ================= HEADER ================= */
.header {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(18px);
  background: color-mix(in oklab, var(--color-bg) 78%, transparent);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition-interactive), background var(--transition-interactive);
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.brand img {
  height: 3.25rem;
  width: auto;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-links a:not(.btn) {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}
.nav-links a:not(.btn):hover {
  color: var(--color-text);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.theme-toggle {
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: var(--color-surface);
  flex-shrink: 0;
}
.theme-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  align-items: center;
  justify-content: center;
}

/* ================= HERO ================= */
.hero {
  padding-top: clamp(var(--space-16), 10vw, var(--space-24));
  padding-bottom: clamp(var(--space-16), 8vw, var(--space-24));
  overflow: hidden;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 60%;
  background: radial-gradient(circle at 30% 20%, color-mix(in oklab, var(--color-primary) 22%, transparent), transparent 65%);
  pointer-events: none;
  z-index: 0;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-12);
}
.hero-copy h1 {
  margin-top: var(--space-5);
  max-width: 15ch;
}
.hero-copy h1 .accent {
  color: var(--color-primary);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.hero-meta-item strong {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
}
.hero-meta-item span {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hero-panel {
  background: linear-gradient(160deg, var(--color-surface), var(--color-surface-2));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.hero-panel::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, color-mix(in oklab, var(--color-primary) 14%, transparent) 50%, transparent 70%);
  pointer-events: none;
}
.hero-panel-list {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-6);
  position: relative;
  z-index: 1;
}
.hero-panel-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: start;
}
.hero-panel-num {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  flex-shrink: 0;
}
.hero-panel-item strong {
  display: block;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.hero-panel-item p {
  font-size: var(--text-sm);
  margin: 0;
}

@media (min-width: 960px) {
  .hero-inner {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
  }
}

/* ================= PACKAGE CARDS ================= */
.pkg-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
.pkg-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  cursor: pointer;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.pkg-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
}
.pkg-card.selected {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}
.pkg-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--color-primary);
  color: var(--color-primary-on);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}
.pkg-type {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.pkg-card h3 {
  margin-top: var(--space-3);
}
.pkg-price {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  margin-top: var(--space-4);
}
.pkg-price span {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-faint);
}
.pkg-time {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.pkg-desc {
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}
.pkg-card ul {
  list-style: none;
  display: grid;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}
.pkg-card li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}
.pkg-card li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  margin-top: 0.55em;
  flex-shrink: 0;
}

/* ================= UPGRADE CARDS ================= */
.upgrade-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.upgrade-card {
  background: linear-gradient(165deg, var(--color-surface), var(--color-surface-2));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
}
.upgrade-card::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -30%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, color-mix(in oklab, var(--color-primary) 18%, transparent), transparent 70%);
}
.upgrade-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 1;
}
.upgrade-card h3 {
  position: relative;
  z-index: 1;
}
.upgrade-card p {
  position: relative;
  z-index: 1;
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}
.upgrade-price {
  position: relative;
  z-index: 1;
  display: inline-block;
  margin-top: var(--space-4);
  font-family: var(--font-display);
  color: var(--color-primary);
  font-size: var(--text-base);
}

/* ================= QUOTE BUILDER ================= */
.builder-layout {
  display: grid;
  gap: var(--space-6);
}
.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.field-group {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.field-row {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
label,
legend {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  padding: 0.75rem 1rem;
  color: var(--color-text);
  font-size: var(--text-base);
}
input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary);
}
textarea {
  min-height: 110px;
  resize: vertical;
}
fieldset {
  margin: 0 0 var(--space-6);
  padding: 0;
  border: 0;
}
.toggle-grid {
  display: grid;
  gap: var(--space-3);
}
.toggle {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  cursor: pointer;
}
.toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.toggle:hover {
  border-color: var(--color-primary);
}
.toggle.active {
  border-color: var(--color-primary);
  background: color-mix(in oklab, var(--color-primary) 10%, var(--color-surface));
}
.toggle-copy {
  flex: 1;
}
.toggle-copy strong {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.toggle-copy span {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.toggle-badge {
  margin-left: auto;
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--text-sm);
  white-space: nowrap;
  flex-shrink: 0;
}

.summary-card {
  background: linear-gradient(165deg, var(--color-surface), var(--color-surface-2));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 6.5rem;
}
.summary-card h3 {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
}
.total {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  color: var(--color-primary);
  letter-spacing: -0.03em;
  margin-top: var(--space-2);
}
.meta {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-5) 0;
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-sm);
}
.row span:first-child {
  color: var(--color-text-faint);
}
.row strong {
  color: var(--color-text);
}
.summary-list {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.summary-item {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
}
.summary-item span:first-child {
  color: var(--color-text-muted);
}
.summary-item strong {
  color: var(--color-text);
  flex-shrink: 0;
}
.note {
  margin-top: var(--space-4);
  color: var(--color-text-faint);
  font-size: var(--text-xs);
}

@media (min-width: 960px) {
  .builder-layout {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
  }
  .field-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .toggle-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ================= GALLERY ================= */
.gallery-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.gallery-item {
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: transform var(--transition-interactive), border-color var(--transition-interactive);
}
.gallery-item:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
}
.gallery-media {
  aspect-ratio: 4 / 3;
  background: linear-gradient(150deg, var(--color-surface-2), var(--color-surface-offset));
  display: grid;
  place-items: center;
  color: var(--color-text-faint);
  font-weight: 600;
  font-size: var(--text-sm);
  position: relative;
  overflow: hidden;
}
.gallery-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-interactive);
}
.gallery-item:hover .gallery-media img {
  transform: scale(1.04);
}
.gallery-media svg {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}
.gallery-media-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}
.gallery-copy {
  padding: var(--space-4);
}
.gallery-copy strong {
  display: block;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.gallery-copy span {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
}

/* ================= CONTACT ================= */
.contact-grid {
  display: grid;
  gap: var(--space-8);
}
.contact-cards {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: var(--space-10);
}
.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}
.contact-card .pkg-type {
  margin-bottom: var(--space-2);
  display: block;
}
.contact-card p {
  font-size: var(--text-sm);
  margin: var(--space-2) 0 var(--space-4);
}
.contact-quick {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}
.contact-quick a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
}
.contact-quick a:hover {
  color: var(--color-primary);
}
.contact-quick .icon-circle {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.form-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}
.success {
  display: none;
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-success-highlight);
  color: var(--color-success);
  font-weight: 600;
  font-size: var(--text-sm);
}
.success.visible {
  display: block;
}

@media (min-width: 960px) {
  .contact-grid {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

/* ================= FOOTER ================= */
.footer {
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-divider);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-6);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.footer-brand img {
  height: 2.75rem;
}
.footer-links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer-links a:hover {
  color: var(--color-primary);
}
.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
}

/* ================= LIGHTBOX ================= */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(6, 7, 9, 0.88);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  z-index: 100;
}
.lightbox.open {
  display: flex;
}
.lightbox-card {
  width: min(92vw, 900px);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.lightbox-image {
  aspect-ratio: 16 / 10;
  background: linear-gradient(150deg, var(--color-surface-2), var(--color-surface-offset));
  display: grid;
  place-items: center;
  color: var(--color-text-faint);
  overflow: hidden;
}
.lightbox-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.lightbox-copy {
  padding: var(--space-6);
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  align-items: flex-start;
}
.close {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: var(--color-text);
}
.close:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ================= MOBILE NAV ================= */
@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    inset: 4.5rem var(--space-4) auto var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4);
    gap: var(--space-1);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-interactive), opacity var(--transition-interactive);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a:not(.btn) {
    padding: var(--space-3) var(--space-2);
    border-radius: var(--radius-md);
  }
  .nav-links a:not(.btn):hover {
    background: var(--color-surface-2);
  }
  .nav-links .btn {
    margin-top: var(--space-2);
  }
  .nav-toggle {
    display: flex;
  }
  .summary-card {
    position: static;
  }
}

/* ================= SCROLL REVEAL ================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}