/* ============================================================
   Isla Fire Safety Systems — Premium Engineering Aesthetic
   Palette: deep navy + bone white + signal red accent
   Typography: Cabinet Grotesk (display) + Satoshi (body)
   ============================================================ */

: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, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 7rem);

  /* Spacing */
  --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;

  /* Radii */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  /* Transitions */
  --transition-interactive: 220ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 720px;
  --content-default: 1100px;
  --content-wide: 1280px;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Satoshi', system-ui, sans-serif;
  --font-body: 'Satoshi', system-ui, -apple-system, sans-serif;
}

/* ----------- LIGHT MODE (default) ----------- */
:root,
[data-theme='light'] {
  --color-bg: #f6f4ef;
  --color-surface: #ffffff;
  --color-surface-2: #fbf9f4;
  --color-surface-offset: #ece8df;
  --color-divider: #d9d3c6;
  --color-border: #c9c2b1;

  --color-text: #0b1220;
  --color-text-muted: #56607a;
  --color-text-faint: #9ba3b6;
  --color-text-inverse: #f6f4ef;

  --color-primary: #0b1220;       /* deep navy ink */
  --color-primary-hover: #161e30;
  --color-primary-soft: #1a2540;

  --color-accent: #d9342c;        /* signal red */
  --color-accent-hover: #b9241d;
  --color-accent-soft: #fde8e6;

  --shadow-sm: 0 1px 2px rgba(11, 18, 32, 0.06);
  --shadow-md: 0 8px 24px rgba(11, 18, 32, 0.08);
  --shadow-lg: 0 24px 60px rgba(11, 18, 32, 0.14);

  --header-bg: rgba(246, 244, 239, 0.82);
  --hero-overlay: linear-gradient(180deg, rgba(8, 12, 22, 0.55) 0%, rgba(8, 12, 22, 0.78) 100%);
}

/* ----------- DARK MODE ----------- */
[data-theme='dark'] {
  --color-bg: #0a0e18;
  --color-surface: #11172a;
  --color-surface-2: #141b32;
  --color-surface-offset: #182040;
  --color-divider: #1f2748;
  --color-border: #2a345a;

  --color-text: #e8ebf3;
  --color-text-muted: #9aa2b8;
  --color-text-faint: #5b6480;
  --color-text-inverse: #0a0e18;

  --color-primary: #e8ebf3;
  --color-primary-hover: #ffffff;
  --color-primary-soft: #1a2240;

  --color-accent: #ff5a4d;
  --color-accent-hover: #ff7367;
  --color-accent-soft: #2a1614;

  --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 24px 60px rgba(0, 0, 0, 0.55);

  --header-bg: rgba(10, 14, 24, 0.78);
  --hero-overlay: linear-gradient(180deg, rgba(5, 8, 16, 0.6) 0%, rgba(5, 8, 16, 0.85) 100%);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0a0e18;
    --color-surface: #11172a;
    --color-surface-2: #141b32;
    --color-surface-offset: #182040;
    --color-divider: #1f2748;
    --color-border: #2a345a;
    --color-text: #e8ebf3;
    --color-text-muted: #9aa2b8;
    --color-text-faint: #5b6480;
    --color-text-inverse: #0a0e18;
    --color-primary: #e8ebf3;
    --color-primary-hover: #ffffff;
    --color-primary-soft: #1a2240;
    --color-accent: #ff5a4d;
    --color-accent-hover: #ff7367;
    --color-accent-soft: #2a1614;
    --header-bg: rgba(10, 14, 24, 0.78);
    --hero-overlay: linear-gradient(180deg, rgba(5, 8, 16, 0.6) 0%, rgba(5, 8, 16, 0.85) 100%);
  }
}

/* ----------- BASE ----------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

ul[role='list'],
ol[role='list'] {
  list-style: none;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
  max-width: 68ch;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-interactive);
}

::selection {
  background: var(--color-accent);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.container {
  width: 100%;
  
  margin: 0 auto;
  padding: 0 clamp(var(--space-5), 4vw, var(--space-10));
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ----------- HEADER ----------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive),
    background var(--transition-interactive);
}

.site-header[data-scrolled='true'] {
  border-bottom-color: var(--color-divider);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}

.brand-mark {
  flex-shrink: 0;
  color: var(--color-text);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}

.brand-sub {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.primary-nav {
  display: flex;
  gap: var(--space-8);
}

.primary-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding-block: var(--space-2);
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--color-text);
}

.primary-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-interactive);
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  background: transparent;
  transition: all var(--transition-interactive);
}

.theme-toggle:hover {
  border-color: var(--color-text);
  background: var(--color-surface-offset);
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform var(--transition-interactive);
}

@media (max-width: 960px) {
  .primary-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: var(--space-4) var(--space-6);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
  }

  .primary-nav.is-open {
    display: flex;
  }

  .primary-nav a {
    padding-block: var(--space-4);
    font-size: var(--text-base);
    border-bottom: 1px solid var(--color-divider);
  }

  .primary-nav a:last-child {
    border-bottom: none;
  }

  .menu-toggle {
    display: flex;
  }

  .header-actions .btn {
    display: none;
  }
}

/* ----------- BUTTONS ----------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.005em;
  border-radius: var(--radius-md);
  transition: all var(--transition-interactive);
  white-space: nowrap;
}

.btn--sm {
  padding: var(--space-3) var(--space-5);
}

.btn--full {
  width: 100%;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.18) inset, 0 8px 24px -8px rgba(217, 52, 44, 0.5);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.18) inset, 0 14px 32px -8px rgba(217, 52, 44, 0.6);
}

.btn--ghost {
  color: var(--color-text);
  border: 1px solid var(--color-border);
  background: transparent;
}

.btn--ghost:hover {
  background: var(--color-surface);
  border-color: var(--color-text);
}

/* ----------- EYEBROW ----------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.eyebrow--light {
  color: rgba(255, 255, 255, 0.85);
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  display: inline-block;
}

/* ----------- HERO ----------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  padding-bottom: var(--space-20);
  color: #fff;
  overflow: hidden;
}

.hero-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--hero-overlay);
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.035em;
  max-width: 16ch;
  color: #fff;
  margin-bottom: var(--space-6);
}

.hero-accent {
  font-style: italic;
  font-weight: 500;
  color: #ffd2cd;
}

.hero-lede {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.82);
  max-width: 56ch;
  margin-bottom: var(--space-10);
  font-weight: 400;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-20);
}

.hero-cta .btn--ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

.hero-cta .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #fff;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-stats li {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 1rem + 2.5vw, 3rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat-plus {
  color: var(--color-accent);
  font-weight: 700;
}

.stat-label {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

@media (max-width: 768px) {
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
}

/* ----------- TRUST BAR ----------- */
.trust-bar {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding-block: var(--space-10);
}

[data-theme='dark'] .trust-bar {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
  color: var(--color-text);
}

.trust-bar .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-8);
}

.trust-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  opacity: 0.6;
  flex-shrink: 0;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: var(--space-8);
  align-items: center;
}

.trust-list li {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  letter-spacing: 0.01em;
  opacity: 0.92;
  position: relative;
}

.trust-list li:not(:last-child)::after {
  content: '';
  position: absolute;
  right: calc(var(--space-8) * -0.5 - 1px);
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.7;
}

/* ----------- SECTIONS ----------- */
.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}

.section--alt {
  background: var(--color-surface-2);
}

.section-header {
  max-width: 720px;
  margin-bottom: var(--space-16);
}

.section-header--center {
  margin-inline: auto;
  text-align: center;
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-5);
}

.section-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  font-weight: 400;
}

/* ----------- SERVICES ----------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-interactive),
    box-shadow var(--transition-interactive),
    border-color var(--transition-interactive);
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-text-muted);
}

.service-card--feature {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: stretch;
}

.service-image {
  background: var(--color-primary);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4 / 3;
}

.service-card--feature .service-image {
  flex: 1.1;
  aspect-ratio: auto;
  min-height: 380px;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover .service-image img {
  transform: scale(1.04);
}

.service-body {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  flex: 1;
}

.service-card--feature .service-body {
  padding: var(--space-12);
  justify-content: center;
}

.service-num {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
}

.service-title {
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.025em;
}

.service-text {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

.service-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

.service-points li {
  font-size: var(--text-sm);
  color: var(--color-text);
  position: relative;
  padding-left: var(--space-5);
}

.service-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 1.5px;
  background: var(--color-accent);
}

@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card--feature {
    flex-direction: column;
  }

  .service-card--feature .service-image {
    min-height: 280px;
  }

  .service-card--feature .service-body {
    padding: var(--space-8);
  }
}

/* ----------- ABOUT ----------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}

.about-text {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-5);
}

.about-pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8) var(--space-6);
  margin-top: var(--space-10);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-divider);
}

.pillar-title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.pillar p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.about-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-card {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  right: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: var(--space-5);
  backdrop-filter: blur(10px);
}

.about-card-num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1rem + 2.5vw, 3rem);
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.04em;
  line-height: 1;
  flex-shrink: 0;
}

.about-card-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-pillars {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .about-visual {
    aspect-ratio: 4 / 4;
    order: -1;
  }
}

/* ----------- PROCESS ----------- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  list-style: none;
  counter-reset: step;
}

.process-step {
  padding: var(--space-8);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  position: relative;
}

.process-num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-accent);
}

.process-step h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.process-step p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

@media (max-width: 900px) {
  .process {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .process {
    grid-template-columns: 1fr;
  }
}

/* ----------- PROJECTS ----------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.project-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: transform var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.project-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-text-muted);
  box-shadow: var(--shadow-md);
}

.project-tag {
  display: inline-flex;
  align-self: flex-start;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: 999px;
  margin-bottom: var(--space-4);
}

.project-title {
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.project-meta {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.project-text {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

@media (max-width: 900px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 901px) and (max-width: 1100px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ----------- TESTIMONIAL ----------- */
.testimonial-section {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

[data-theme='dark'] .testimonial-section {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
  color: var(--color-text);
}

.testimonial {
  max-width: 880px;
  margin: 0 auto;
  position: relative;
  padding-top: var(--space-8);
}

.quote-mark {
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}

.testimonial blockquote p {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-8);
  max-width: none;
}

.testimonial footer {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: var(--text-sm);
}

.testimonial footer strong {
  font-weight: 700;
}

.testimonial footer span {
  opacity: 0.7;
}

/* ----------- FAQ ----------- */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}

.faq-header {
  position: sticky;
  top: 120px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-interactive);
}

.faq-item[open] {
  border-color: var(--color-text);
}

.faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  cursor: pointer;
  font-weight: 600;
  font-size: var(--text-base);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  position: relative;
  transition: all var(--transition-interactive);
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  background: var(--color-text);
  transition: transform var(--transition-interactive);
}

.faq-icon::before {
  width: 10px;
  height: 1.5px;
}

.faq-icon::after {
  width: 1.5px;
  height: 10px;
}

.faq-item[open] .faq-icon {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.faq-item[open] .faq-icon::before {
  background: #fff;
}

.faq-item[open] .faq-icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.faq-item p {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

@media (max-width: 900px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .faq-header {
    position: static;
  }
}

/* ----------- CONTACT ----------- */
.contact-section {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}

[data-theme='dark'] .contact-section {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
  color: var(--color-text);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}

.contact-section .section-title {
  color: inherit;
}

.contact-text {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-10);
  font-size: var(--text-lg);
}

[data-theme='dark'] .contact-text {
  color: var(--color-text-muted);
}

.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding-top: var(--space-8);
}

[data-theme='dark'] .contact-list {
  border-top-color: var(--color-border);
}

.contact-list li {
  display: grid;
  grid-template-columns: 140px 1fr;
  align-items: baseline;
  gap: var(--space-4);
  font-size: var(--text-base);
}

.contact-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 600;
  opacity: 0.6;
}

.contact-list a:hover {
  color: var(--color-accent);
}

[data-theme='dark'] .contact-list a:hover {
  color: var(--color-accent);
}

.contact-form {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

[data-theme='dark'] .contact-form {
  background: var(--color-surface-2);
  border-color: var(--color-border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.7;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-sm);
  color: inherit;
  font-size: var(--text-base);
  font-family: inherit;
  transition: all var(--transition-interactive);
}

[data-theme='dark'] .field input,
[data-theme='dark'] .field select,
[data-theme='dark'] .field textarea {
  background: var(--color-surface);
  border-color: var(--color-border);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.08);
}

.field textarea {
  resize: vertical;
  min-height: 96px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

[data-theme='dark'] .field input::placeholder,
[data-theme='dark'] .field textarea::placeholder {
  color: var(--color-text-faint);
}

.form-note {
  font-size: var(--text-xs);
  opacity: 0.6;
  margin-top: var(--space-2);
}

@media (max-width: 900px) {
  .contact-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-list li {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }
}

/* ----------- FOOTER ----------- */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-8);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: var(--space-16);
  margin-bottom: var(--space-12);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  color: var(--color-text);
}

.footer-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
}

.footer-tag {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 36ch;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.footer-cols h4 {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.footer-cols ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
}

.footer-cols a {
  color: var(--color-text);
  font-size: var(--text-sm);
}

.footer-cols a:hover {
  color: var(--color-accent);
}

.footer-cols li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

@media (max-width: 760px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .footer-cols {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
}

/* ----------- REVEAL ANIMATION ----------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}