/* style.css — Benignus Habitus */

/* ===== DESIGN TOKENS ===== */
: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, 4.5rem);
  --text-hero: clamp(2.75rem, 0.5rem + 6vw, 6rem);

  /* Spacing (4px base) */
  --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: 0.3rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.85rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

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

  --content-narrow: 640px;
  --content-default: 900px;
  --content-wide: 1280px;
  --content-full: 100%;

  --font-display: 'Cabinet Grotesk', 'General Sans', 'Segoe UI', sans-serif;
  --font-body: 'Satoshi', 'Inter', 'Segoe UI', sans-serif;
}

:root,
[data-theme='light'] {
  --color-bg: #f6f8f4;
  --color-surface: #fdfefc;
  --color-surface-2: #ffffff;
  --color-surface-offset: #edf1e9;
  --color-surface-offset-2: #e4eadd;
  --color-divider: #dbe3d3;
  --color-border: #cbd6c1;

  --color-text: #131f16;
  --color-text-muted: #57624f;
  --color-text-faint: #98a390;
  --color-text-inverse: #f4f8f1;

  --color-primary: #0d7a4f;
  --color-primary-hover: #0a5e3d;
  --color-primary-active: #08492f;
  --color-primary-highlight: #d9ecdf;

  --shadow-sm: 0 1px 2px oklch(0.2 0.03 145 / 0.08);
  --shadow-md: 0 4px 14px oklch(0.2 0.03 145 / 0.1);
  --shadow-lg: 0 16px 36px oklch(0.2 0.03 145 / 0.14);
}

[data-theme='dark'] {
  --color-bg: #0a1310;
  --color-surface: #0f1b16;
  --color-surface-2: #12201a;
  --color-surface-offset: #16261e;
  --color-surface-offset-2: #1c3025;
  --color-divider: #1e3327;
  --color-border: #294436;

  --color-text: #dfe9e0;
  --color-text-muted: #93a596;
  --color-text-faint: #5f7566;
  --color-text-inverse: #0c1a13;

  --color-primary: #3fd190;
  --color-primary-hover: #6bdda7;
  --color-primary-active: #8ee6bc;
  --color-primary-highlight: #17362a;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.45);
  --shadow-lg: 0 20px 44px oklch(0 0 0 / 0.55);
}

@media (color-gamut: p3) {
  [data-theme='dark'] {
    --color-primary: oklch(0.78 0.16 154);
  }
}

/* ===== BASE TYPE ===== */
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  color: var(--color-text);
  letter-spacing: -0.01em;
}

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

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
}

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-16));
}

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  z-index: 100;
  border-radius: var(--radius-sm);
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-4) clamp(var(--space-5), 5vw, var(--space-16));
  background: oklch(from var(--color-bg) l c h / 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition:
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
}
.brand svg {
  width: 30px;
  height: 30px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.brand span {
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.main-nav ul {
  display: flex;
  gap: var(--space-6);
}
.main-nav ul a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}
.main-nav ul a:hover {
  color: var(--color-text);
}

.nav-toggle {
  display: none;
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
}
.btn-ghost {
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.btn-ghost:hover {
  background: var(--color-surface-offset);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #060b08;
}
.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    oklch(0.06 0.02 150 / 0.92) 0%,
    oklch(0.06 0.02 150 / 0.55) 42%,
    oklch(0.06 0.02 150 / 0.15) 68%
  );
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 660px;
  padding: clamp(var(--space-12), 10vw, var(--space-24)) clamp(var(--space-5), 6vw, var(--space-16));
  color: #f2f7ef;
}
.hero__eyebrow {
  color: #7fe8b4;
}
.hero h1 {
  font-size: var(--text-hero);
  font-weight: 650;
  margin-top: var(--space-4);
  color: #f5faf3;
}
.hero p {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  color: oklch(0.92 0.02 150 / 0.82);
  max-width: 46ch;
}
.hero__actions {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-10);
  flex-wrap: wrap;
}
.hero__actions .btn-ghost {
  border-color: oklch(0.9 0.02 150 / 0.35);
  color: #f2f7ef;
}
.hero__actions .btn-ghost:hover {
  background: oklch(0.9 0.02 150 / 0.1);
}

/* ===== INTRO ===== */
.intro {
  padding-block: clamp(var(--space-16), 9vw, var(--space-24));
  border-bottom: 1px solid var(--color-divider);
}
.intro .container {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
}
.intro h2 {
  font-size: var(--text-xl);
  margin-top: var(--space-3);
  max-width: 12ch;
}
.intro__body p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
}
.intro__body p + p {
  margin-top: var(--space-4);
}

/* ===== SERVICES ===== */
.services {
  padding-block: clamp(var(--space-16), 9vw, var(--space-24));
}
.service-group + .service-group {
  margin-top: clamp(var(--space-16), 8vw, var(--space-24));
}
.service-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-divider);
}
.service-group__head h2 {
  font-size: var(--text-xl);
}
.service-group__count {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.service-list {
  display: flex;
  flex-direction: column;
}
.service-row {
  display: grid;
  grid-template-columns: 72px 1fr 1.15fr;
  gap: var(--space-8);
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-divider);
  align-items: start;
  transition: background var(--transition-interactive);
}
.service-row:hover {
  background: var(--color-surface-offset);
}
.service-row__index {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text-faint);
  font-weight: 500;
  padding-top: var(--space-1);
}
.service-row__title h3 {
  font-size: var(--text-lg);
  font-weight: 600;
}
.service-row__tag {
  display: inline-block;
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.service-row__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
}

/* ===== DIVIDER IMAGE ===== */
.divider {
  position: relative;
  margin-block: clamp(var(--space-16), 9vw, var(--space-24));
  min-height: 46vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.divider img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.divider__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, oklch(0.05 0.02 150 / 0.85) 0%, oklch(0.05 0.02 150 / 0.05) 60%);
}
.divider__quote {
  position: relative;
  z-index: 2;
  padding: clamp(var(--space-8), 6vw, var(--space-16));
  max-width: 620px;
}
.divider__quote p {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: #f0f7ee;
  font-weight: 500;
}
.divider__quote span {
  display: block;
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #8fe8b6;
}

/* ===== CTA ===== */
.cta {
  background: var(--color-surface-offset);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.cta__grid {
  padding-block: clamp(var(--space-16), 8vw, var(--space-20));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 440px);
  gap: var(--space-16);
  align-items: start;
}
.cta__intro {
  position: sticky;
  top: var(--space-24);
}
.cta h2 {
  font-size: var(--text-xl);
  max-width: 22ch;
}
.cta p {
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  max-width: 40ch;
}
.cta__contacts {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-6);
}
.cta__email {
  display: inline-block;
  width: fit-content;
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive);
}
.cta__email:hover {
  border-color: currentColor;
}

/* ===== CONTACT FORM ===== */
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 4vw, var(--space-8));
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.contact-form__honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.contact-form__row {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.contact-form__row label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  font-weight: 500;
}
.contact-form input[type='text'],
.contact-form input[type='email'],
.contact-form select,
.contact-form textarea {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
  width: 100%;
}
.contact-form textarea {
  resize: vertical;
  min-height: 6rem;
}
.contact-form input:focus-visible,
.contact-form select:focus-visible,
.contact-form textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}
.contact-form__submit {
  margin-top: var(--space-2);
  width: 100%;
  justify-content: center;
}
.contact-form__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.contact-form__status {
  font-size: var(--text-sm);
  min-height: 1.2em;
}
.contact-form__status[data-state='success'] {
  color: var(--color-primary);
}
.contact-form__status[data-state='error'] {
  color: #c94a3f;
}
[data-theme='dark'] .contact-form__status[data-state='error'] {
  color: #ff8a7a;
}

/* ===== FOOTER ===== */
.site-footer {
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
}
.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.footer__brand svg {
  width: 22px;
  height: 22px;
  color: var(--color-primary);
}
.footer__brand span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
}
.footer__links {
  display: flex;
  gap: var(--space-6);
}
.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer__links a:hover {
  color: var(--color-text);
}
.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  width: 100%;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  margin-top: var(--space-6);
}

/* ===== SCROLL REVEAL ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 860px) {
  .main-nav ul {
    display: none;
  }
  .intro .container {
    grid-template-columns: 1fr;
  }
  .service-row {
    grid-template-columns: 40px 1fr;
  }
  .service-row__desc {
    grid-column: 2;
  }
  .hero__content {
    max-width: 100%;
  }
  .cta__grid {
    grid-template-columns: 1fr;
  }
  .cta__intro {
    position: static;
  }
}

@media (max-width: 560px) {
  .hero {
    min-height: 100vh;
  }
  .hero h1 {
    font-size: clamp(2.25rem, 8vw, 3rem);
  }
  .site-header {
    padding-inline: var(--space-4);
    gap: var(--space-2);
  }
  .brand span {
    display: none;
  }
  .main-nav {
    gap: var(--space-3);
  }
  .main-nav .btn-primary {
    padding-inline: var(--space-4);
  }
}