@import "tokens.css";

/* ── 01 Reset & base ───────────────────────────────────────── */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--clehance-graphite);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

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

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

button,
input,
textarea {
  font: inherit;
}

/* ── 02 Layout ─────────────────────────────────────────────── */

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

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-block: var(--section-y);
}

.section--lg {
  padding-block: var(--section-y-lg);
}

.section__header {
  text-align: center;
  margin-bottom: 3rem;
}

.section__title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--clehance-graphite);
  margin: 0 0 0.75rem;
  line-height: var(--leading-tight);
}

.section__subtitle {
  color: var(--color-gray-600);
  max-width: 42rem;
  margin-inline: auto;
}

.grid-2 {
  display: grid;
  gap: 2rem;
}

.grid-3 {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .section__title {
    font-size: var(--text-4xl);
  }
}

@media (min-width: 1024px) {
  .grid-hero {
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    align-items: center;
  }
}

/* ── 03 Header & nav ───────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  color: var(--color-white);
  background: radial-gradient(circle at top left, var(--clehance-blue) 0, var(--clehance-navy) 45%, var(--clehance-ink) 100%);
  transition: box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand__logo {
  width: 1.75rem;
  height: 1.75rem;
}

.brand__name {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
}

.nav {
  display: none;
  gap: 2rem;
  font-size: var(--text-sm);
  color: var(--color-gray-200);
}

.nav a:hover {
  color: var(--color-white);
}

.nav__cta {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.nav__cta:hover {
  background: rgba(255, 255, 255, 0.2);
}

@media (min-width: 768px) {
  .nav {
    display: flex;
    align-items: center;
  }
}

/* ── 04 Hero ───────────────────────────────────────────────── */

.hero {
  padding-bottom: 5rem;
  padding-top: 2rem;
}

@media (min-width: 1024px) {
  .hero {
    padding-top: 4rem;
  }
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: 1.25rem;
}

.hero__title {
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: var(--leading-tight);
  margin: 0 0 1.5rem;
}

@media (min-width: 640px) {
  .hero__title {
    font-size: var(--text-5xl);
  }
}

@media (min-width: 1024px) {
  .hero__title {
    font-size: var(--text-6xl);
  }
}

.hero__lead {
  font-size: var(--text-lg);
  color: var(--color-gray-200);
  max-width: 36rem;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.hero__stats li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  color: rgba(229, 231, 235, 0.9);
  margin-bottom: 0.25rem;
}

.hero__stats li::before {
  content: "";
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: var(--clehance-mint);
  flex-shrink: 0;
}

.hero__visual {
  position: relative;
}

.hero__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.11) 1px, transparent 0);
  background-size: 18px 18px;
  opacity: 0.28;
  mask-image: radial-gradient(circle at center, black 0, transparent 70%);
  pointer-events: none;
}

.hero__cards {
  position: relative;
  display: grid;
  gap: 1rem;
}

/* ── 05 Components (buttons, cards) ────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.btn--primary {
  background: var(--clehance-blue);
  color: var(--color-white);
  box-shadow: var(--shadow-blue-lg);
}

.btn--primary:hover {
  background: var(--clehance-blue-hover);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.soft-card {
  background: var(--clehance-surface);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.soft-card--highlight {
  border-color: rgba(26, 115, 232, 0.35);
  box-shadow: var(--shadow-blue);
}

.card-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(26, 115, 232, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.5rem;
  font-size: var(--text-sm);
}

.card__title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin: 0 0 0.75rem;
  text-align: center;
}

.card__list {
  font-size: var(--text-sm);
  color: var(--color-gray-700);
}

.card__list li {
  margin-bottom: 0.375rem;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Ledger illustration */
.ledger-card__label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: var(--text-sm);
  color: var(--color-gray-300);
  text-align: center;
}

.ledger-card__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--clehance-mint);
}

.ledger-engine-image {
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.mini-cards {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .mini-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.mini-card__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: var(--text-sm);
  color: var(--color-gray-200);
}

.mini-card__icon {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: rgba(26, 115, 232, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mini-card__icon-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--clehance-mint);
}

.mini-card__list {
  font-size: var(--text-xs);
  color: var(--color-gray-300);
}

.mini-card__list li {
  margin-bottom: 0.25rem;
}

.mini-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-xs);
  color: var(--color-gray-200);
  margin-bottom: 0.75rem;
}

.mini-card__panel {
  margin-top: 1rem;
  height: 4rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  color: var(--color-gray-300);
  text-align: center;
}

/* ── 06 Services ─────────────────────────────────────────────── */

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

/* ── 07 Work ─────────────────────────────────────────────────── */

.section--surface {
  background: var(--clehance-surface);
}

.case-study {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-border-light);
}

.case-study__thumb {
  height: 9rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  text-align: center;
  padding: 1rem;
}

.case-study__thumb--dark {
  background: linear-gradient(to bottom right, rgba(26, 115, 232, 0.18), rgba(10, 42, 67, 0.8));
  color: rgba(255, 255, 255, 0.8);
}

.case-study__thumb--light {
  background: linear-gradient(to bottom right, #e3edf8, var(--color-white));
  color: var(--color-gray-500);
}

.case-study__tag {
  display: inline-flex;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-gray-500);
  margin-bottom: 0.5rem;
}

.case-study__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.case-study__body {
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  margin-bottom: 1rem;
}

.case-study__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: var(--text-xs);
  color: var(--color-gray-600);
}

/* ── 08 Engagement ───────────────────────────────────────────── */

.engagement-grid {
  display: grid;
  gap: 2rem;
  justify-items: center;
}

@media (min-width: 768px) {
  .engagement-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.engagement-card {
  width: 100%;
  max-width: 24rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.engagement-card__note {
  font-size: var(--text-xs);
  color: var(--color-gray-600);
  margin-top: 1rem;
}

/* ── 09 Contact ──────────────────────────────────────────────── */

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

.section--navy .section__subtitle {
  color: var(--color-gray-200);
}

.contact-form-wrap {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

@media (min-width: 640px) {
  .contact-form-wrap {
    padding: 2rem;
  }
}

.contact-form {
  display: grid;
  gap: 1rem;
}

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

  .contact-form__full {
    grid-column: 1 / -1;
  }
}

.form-field label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--color-white);
  color: var(--color-gray-700);
  font-size: var(--text-sm);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid var(--clehance-blue);
  outline-offset: 0;
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .form-actions {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.form-status {
  font-size: var(--text-xs);
  color: var(--color-gray-200);
  margin: 0;
}

.form-status--success {
  color: var(--clehance-mint);
}

.form-status--error {
  color: #fca5a5;
}

.contact-fallback {
  margin-top: 1.5rem;
  text-align: center;
}

.contact-fallback a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-gray-200);
}

.contact-fallback a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

/* ── 10 Footer ───────────────────────────────────────────────── */

.site-footer {
  background: var(--clehance-ink);
  color: var(--color-gray-400);
  font-size: var(--text-sm);
  padding-block: 1.5rem;
}

.site-footer__row {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .site-footer__row {
    flex-direction: row;
  }
}

.site-footer__links {
  display: flex;
  gap: 1rem;
}

.site-footer__links a:hover {
  color: var(--color-white);
}

.site-footer__address {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-footer__pin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  font-size: var(--text-xs);
}