:root {
  /* Swap --color-accent when brand hex is finalized */
  --color-accent: #2f7bff;
  --color-accent-hover: #5c98ff;

  --color-navy: #0b1220;
  --color-navy-soft: #111827;
  --color-charcoal: #141414;
  --color-charcoal-elevated: #1a1a1a;
  --color-white: #ffffff;
  --color-muted: rgba(255, 255, 255, 0.72);
  --color-muted-dark: rgba(11, 18, 32, 0.65);
  --color-border: rgba(255, 255, 255, 0.12);
  --color-border-dark: rgba(11, 18, 32, 0.12);

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-8: 64px;
  --space-10: 80px;
  --space-12: 96px;
  --space-14: 112px;
  --space-18: 144px;
  --space-22: 176px;
  --space-24: 192px;

  --container-max: 1440px;
  --gutter: var(--space-2);
  --gutter-lg: var(--space-5);

  --section-y: var(--space-12);
  --section-y-lg: var(--space-18);

  --header-height: 72px;
  --header-height-scrolled: 64px;

  --font-sans: 'Outfit', system-ui, -apple-system, sans-serif;
  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.84rem + 0.2vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.25rem + 1vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.5rem + 2vw, 3.25rem);
  --text-hero: clamp(2.5rem, 1.75rem + 3.5vw, 4.75rem);

  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-body: 1.7;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-reveal: 600ms;
  --duration-fast: 200ms;
  --stagger: 100ms;

  --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.18);
  --radius-sm: 4px;
  --radius-md: 8px;

  --z-header: 100;
  --z-modal: 200;
  --z-skip: 300;
}

@media (min-width: 768px) {
  :root {
    --section-y: var(--space-14);
    --section-y-lg: var(--space-22);
    --gutter: var(--gutter-lg);
  }
}

@import './tokens.css';

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-navy);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  opacity: 0;
  transition: opacity 450ms var(--ease-out-expo);
}

body.is-page-loaded {
  opacity: 1;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

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

.skip-link {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  transform: translateY(-200%);
  z-index: var(--z-skip);
  transition: transform var(--duration-fast) var(--ease-out-expo);
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--section-y);
  scroll-margin-top: calc(var(--header-height) + var(--space-2));
}

.section--dark {
  background: var(--color-navy);
  color: var(--color-white);
}

.section--charcoal {
  background: var(--color-charcoal);
  color: var(--color-white);
}

.section--light {
  background: var(--color-white);
  color: var(--color-navy);
}

.section--tint {
  background: #f4f6f9;
  color: var(--color-navy);
}

.section__eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section--dark .section__eyebrow,
.section--charcoal .section__eyebrow {
  color: var(--color-accent-hover);
}

.section__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  max-width: 16ch;
}

.section__lead {
  margin-top: var(--space-3);
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
  color: var(--color-muted-dark);
  max-width: 42rem;
}

.section--dark .section__lead,
.section--charcoal .section__lead {
  color: var(--color-muted);
}

.split {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 992px) {
  .split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }

  .split--reverse .split__content {
    order: 2;
  }

  .split--reverse .split__media {
    order: 1;
  }
}

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

.placeholder {
  position: relative;
  width: 100%;
  border: 1px dashed var(--color-border-dark);
  background: var(--color-charcoal-elevated);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.55);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  padding: var(--space-3);
}

.section--light .placeholder,
.section--tint .placeholder {
  border-color: var(--color-border-dark);
  background: linear-gradient(135deg, #e8edf5 0%, #f0f3f8 100%);
  color: var(--color-muted-dark);
}

.placeholder--16-9 {
  aspect-ratio: 16 / 9;
}

.placeholder--4-3 {
  aspect-ratio: 4 / 3;
}

.placeholder--3-2 {
  aspect-ratio: 3 / 2;
}

.placeholder--1-1 {
  aspect-ratio: 1 / 1;
}

.placeholder__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  pointer-events: none;
}

.placeholder__label {
  position: relative;
  z-index: 1;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: height 400ms var(--ease-out-expo);
}

.site-header__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 18, 32, 0.92);
  opacity: 0.85;
  transform: scale(1);
  transform-origin: top center;
  transition:
    opacity 400ms var(--ease-out-expo),
    transform 400ms var(--ease-out-expo);
  will-change: transform, opacity;
}

.site-header.is-scrolled {
  height: var(--header-height-scrolled);
}

.site-header.is-scrolled .site-header__backdrop {
  opacity: 1;
  transform: scale(0.985, 1);
}

.site-header__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  width: 100%;
}

.site-header__logo {
  display: flex;
  align-items: center;
  color: var(--color-white);
  flex-shrink: 0;
}

.site-header__logo img,
.site-header__logo svg {
  height: 28px;
  width: auto;
}

.site-nav {
  display: none;
  align-items: center;
  gap: var(--space-4);
}

@media (min-width: 992px) {
  .site-nav {
    display: flex;
  }
}

.site-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-muted);
  position: relative;
  padding-block: var(--space-1);
  transition: color var(--duration-fast) var(--ease-out-expo);
}

.site-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-fast) var(--ease-out-expo);
}

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

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

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--color-white);
  transition: transform var(--duration-fast) var(--ease-out-expo);
}

@media (min-width: 992px) {
  .menu-toggle {
    display: none;
  }
}

.mobile-nav {
  position: fixed;
  inset: 0;
  top: var(--header-height);
  background: rgba(11, 18, 32, 0.98);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition:
    transform 400ms var(--ease-out-expo),
    opacity 400ms var(--ease-out-expo);
  z-index: calc(var(--z-header) - 1);
}

.mobile-nav.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav a {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-white);
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 992px) {
  .mobile-nav {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 14px 28px;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition:
    transform var(--duration-fast) var(--ease-out-expo),
    box-shadow var(--duration-fast) var(--ease-out-expo),
    background var(--duration-fast) var(--ease-out-expo),
    color var(--duration-fast) var(--ease-out-expo);
  will-change: transform;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-accent-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

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

.btn--secondary:hover,
.btn--secondary:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn--dark {
  background: var(--color-navy);
  color: var(--color-white);
}

.btn--dark:hover,
.btn--dark:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .btn:hover,
  .btn:focus-visible {
    transform: none;
    box-shadow: none;
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--color-navy);
  color: var(--color-white);
}

.hero.section {
  padding-block: 0;
  padding-top: var(--header-height);
}

.hero__grid {
  display: grid;
  gap: var(--space-8);
  padding-block: var(--space-8);
}

@media (min-width: 992px) {
  .hero__grid {
    grid-template-columns: 1fr 1.1fr;
    align-items: center;
    gap: var(--space-10);
  }
}

.hero__title {
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: -0.03em;
  max-width: 14ch;
}

.hero__subhead {
  margin-top: var(--space-4);
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
  color: var(--color-muted);
  max-width: 38rem;
}

.hero__actions {
  margin-top: var(--space-6);
}

/* Problems list */
.problem-list {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.problem-list li {
  position: relative;
  padding-left: var(--space-4);
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
}

.problem-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 1px;
}

.problem-list__close {
  margin-top: var(--space-6);
  font-size: var(--text-xl);
  font-weight: 600;
  line-height: var(--leading-snug);
  max-width: 28rem;
}

/* Services mosaic */
.services-grid {
  margin-top: var(--space-8);
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(120px, auto);
  }

  .service-card:nth-child(1) {
    grid-column: span 7;
  }

  .service-card:nth-child(2) {
    grid-column: span 5;
  }

  .service-card:nth-child(3) {
    grid-column: span 5;
  }

  .service-card:nth-child(4) {
    grid-column: span 7;
  }

  .service-card:nth-child(5) {
    grid-column: span 6;
  }

  .service-card:nth-child(6) {
    grid-column: span 6;
  }
}

.service-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-charcoal-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition:
    transform var(--duration-fast) var(--ease-out-expo),
    box-shadow var(--duration-fast) var(--ease-out-expo);
}

@media (min-width: 640px) {
  .service-card {
    grid-template-columns: 1fr 140px;
    align-items: center;
  }

  .service-card:nth-child(2),
  .service-card:nth-child(4),
  .service-card:nth-child(6) {
    grid-template-columns: 140px 1fr;
  }

  .service-card:nth-child(2) .service-card__media,
  .service-card:nth-child(4) .service-card__media,
  .service-card:nth-child(6) .service-card__media {
    order: -1;
  }
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.service-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.service-card__text {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: var(--leading-snug);
}

.service-card__media .placeholder {
  min-height: 120px;
}

/* Why list */
.why-list {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .why-list {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }
}

.why-list li {
  padding: var(--space-4);
  border-left: 3px solid var(--color-accent);
  background: rgba(255, 255, 255, 0.04);
}

.why-list strong {
  display: block;
  font-size: var(--text-lg);
  margin-bottom: var(--space-1);
}

.why-list span {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

/* Process */
.process-steps {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .process-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.process-step {
  padding-top: var(--space-3);
  border-top: 2px solid var(--color-accent);
}

.process-step__num {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.process-step__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.process-step__text {
  font-size: var(--text-sm);
  color: var(--color-muted-dark);
  line-height: var(--leading-snug);
}

.section--tint .process-step__text {
  color: var(--color-muted-dark);
}

/* Contact */
.contact-grid {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 992px) {
  .contact-grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
  }
}

.contact-form {
  display: grid;
  gap: var(--space-3);
}

.form-row {
  display: grid;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .form-row--2 {
    grid-template-columns: 1fr 1fr;
  }
}

.form-field label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  transition: border-color var(--duration-fast) var(--ease-out-expo);
}

.form-field input:focus-visible,
.form-field select:focus-visible,
.form-field textarea:focus-visible {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(47, 123, 255, 0.2);
}

.form-field textarea {
  min-height: 120px;
  resize: vertical;
}

.form-field--error input,
.form-field--error select,
.form-field--error textarea {
  border-color: #c53030;
}

.form-error {
  font-size: var(--text-xs);
  color: #c53030;
  margin-top: 4px;
}

.form-status {
  font-size: var(--text-sm);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}

.form-status--success {
  background: #ecfdf3;
  color: #166534;
}

.form-status--error {
  background: #fef2f2;
  color: #991b1b;
}

.contact-direct {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
}

.contact-direct a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: filter var(--duration-fast) var(--ease-out-expo);
}

.contact-direct a:hover {
  filter: brightness(1.15);
}

/* Final CTA */
.final-cta {
  text-align: center;
  padding-block: var(--space-14);
  background: var(--color-navy);
  color: var(--color-white);
}

.final-cta__text {
  font-size: var(--text-xl);
  font-weight: 600;
  max-width: 36rem;
  margin-inline: auto;
  line-height: var(--leading-snug);
}

.final-cta .btn {
  margin-top: var(--space-5);
}

/* Footer */
.site-footer {
  background: var(--color-charcoal);
  color: var(--color-muted);
  padding-block: var(--space-8);
  font-size: var(--text-sm);
}

.site-footer__top {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .site-footer__top {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.site-footer__legal {
  max-width: 42rem;
  line-height: var(--leading-snug);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.site-footer__links button {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-white);
  font-size: var(--text-sm);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--duration-fast) var(--ease-out-expo);
}

.site-footer__links button:hover,
.site-footer__links button:focus-visible {
  color: var(--color-accent-hover);
}

.site-footer__copy {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 18, 32, 0.72);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms var(--ease-out-expo);
}

.modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  width: 100%;
  max-width: 640px;
  max-height: min(85vh, 720px);
  background: var(--color-white);
  color: var(--color-navy);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  transform: translateY(24px);
  opacity: 0;
  transition:
    transform 400ms var(--ease-out-expo),
    opacity 400ms var(--ease-out-expo);
}

.modal-overlay.is-open .modal {
  transform: translateY(0);
  opacity: 1;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border-dark);
}

.modal__title {
  font-size: var(--text-lg);
  font-weight: 700;
}

.modal__close {
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-navy);
}

.modal__body {
  padding: var(--space-4);
  overflow-y: auto;
  line-height: var(--leading-body);
}

.modal__body h3 {
  font-size: var(--text-base);
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}

.modal__body p + p {
  margin-top: var(--space-2);
}

.modal__body ul {
  list-style: disc;
  padding-left: var(--space-4);
  margin-top: var(--space-2);
}

@media (prefers-reduced-motion: reduce) {
  .service-card:hover {
    transform: none;
    box-shadow: none;
  }
}

[data-reveal-item] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--duration-reveal) var(--ease-out-expo),
    transform var(--duration-reveal) var(--ease-out-expo);
  transition-delay: calc(var(--reveal-index, 0) * var(--stagger));
  will-change: transform, opacity;
}

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

@media (prefers-reduced-motion: reduce) {
  [data-reveal-item] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.link-hover {
  transition: filter var(--duration-fast) var(--ease-out-expo);
}

.link-hover:hover {
  filter: brightness(1.12);
}