/* ==========================================================================
   JPG Construction — Design Tokens
   Clean & minimal, warm trustworthy palette inspired by South Georgia:
   deep slate (storms, shingles), warm terracotta (Georgia clay) accent.
   ========================================================================== */

:root {
  /* Type scale — fluid */
  --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, 8rem);

  /* 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 */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

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

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 1080px;
  --content-wide: 1280px;

  /* Fonts */
  --font-display: 'Boska', 'Source Serif 4', Georgia, serif;
  --font-body: 'Satoshi', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* LIGHT MODE — Warm cream surfaces, deep slate text, terracotta accent */
:root, [data-theme='light'] {
  --color-bg: #f6f3ec;
  --color-surface: #fbf8f1;
  --color-surface-2: #ffffff;
  --color-surface-offset: #ede8dd;
  --color-surface-offset-2: #e2dccb;
  --color-divider: #d8d2c2;
  --color-border: #c8c2b1;

  --color-text: #1c2529;          /* deep slate */
  --color-text-muted: #5a6168;
  --color-text-faint: #9aa0a6;
  --color-text-inverse: #fbf8f1;

  --color-primary: #1c2529;       /* deep slate as primary action */
  --color-primary-hover: #0f1518;
  --color-primary-active: #000000;
  --color-primary-highlight: #d6dadd;

  --color-accent: #b04a2f;        /* Georgia clay terracotta */
  --color-accent-hover: #8d3a23;
  --color-accent-active: #6a2b18;
  --color-accent-highlight: #ecd9d2;

  --color-success: #4a7a3a;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 60 / 0.06);
  --shadow-md: 0 6px 18px oklch(0.2 0.02 60 / 0.10);
  --shadow-lg: 0 18px 48px oklch(0.18 0.02 60 / 0.16);
}

/* DARK MODE */
[data-theme='dark'] {
  --color-bg: #14181a;
  --color-surface: #191e21;
  --color-surface-2: #1f2528;
  --color-surface-offset: #1c2225;
  --color-surface-offset-2: #232a2e;
  --color-divider: #262d31;
  --color-border: #353d42;

  --color-text: #e8e4d8;
  --color-text-muted: #99a0a6;
  --color-text-faint: #5e656a;
  --color-text-inverse: #14181a;

  --color-primary: #f1ece0;
  --color-primary-hover: #ffffff;
  --color-primary-active: #d8d2c2;
  --color-primary-highlight: #2c3338;

  --color-accent: #d77559;
  --color-accent-hover: #e58a71;
  --color-accent-active: #ec9c85;
  --color-accent-highlight: #3b2a25;

  --color-success: #6da356;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 6px 18px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 18px 48px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #14181a;
    --color-surface: #191e21;
    --color-surface-2: #1f2528;
    --color-surface-offset: #1c2225;
    --color-surface-offset-2: #232a2e;
    --color-divider: #262d31;
    --color-border: #353d42;
    --color-text: #e8e4d8;
    --color-text-muted: #99a0a6;
    --color-text-faint: #5e656a;
    --color-text-inverse: #14181a;
    --color-primary: #f1ece0;
    --color-primary-hover: #ffffff;
    --color-primary-active: #d8d2c2;
    --color-primary-highlight: #2c3338;
    --color-accent: #d77559;
    --color-accent-hover: #e58a71;
    --color-accent-active: #ec9c85;
    --color-accent-highlight: #3b2a25;
  }
}

/* ==========================================================================
   Layout primitives
   ========================================================================== */

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

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

section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 500;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--color-accent);
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.85);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
}

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

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-4);
}

@media (min-width: 768px) {
  .header__inner { gap: var(--space-6); }
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
}

.brand__mark { width: 32px; height: 32px; color: var(--color-text); }

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.005em;
  white-space: nowrap;
}

@media (min-width: 480px) {
  .brand__name { font-size: 1.25rem; }
}

.brand__sub {
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.nav { display: none; }

@media (min-width: 768px) {
  .nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
  }
}

.nav__list {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.nav__link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  position: relative;
}

.nav__link:hover { color: var(--color-text); }

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

.theme-toggle {
  width: 40px; height: 40px;
  display: inline-grid; place-items: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid transparent;
}

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

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-full);
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
  line-height: 1;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn--accent:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

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

.btn--lg { padding: var(--space-5) var(--space-8); font-size: var(--text-base); }

.btn--sm { padding: var(--space-3) var(--space-4); font-size: var(--text-xs); }

@media (max-width: 600px) {
  .header .btn { padding: var(--space-3) var(--space-4); font-size: var(--text-xs); }
  .header .btn .arrow { display: none; }
  .brand__sub { display: none; }
  .brand__mark { width: 28px; height: 28px; }
  .brand__name { font-size: 1rem; }
  .container { padding-inline: var(--space-4); }
}

.btn .arrow {
  display: inline-block;
  transition: transform var(--transition-interactive);
}

.btn:hover .arrow { transform: translateX(3px); }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  padding-block: clamp(var(--space-12), 8vw, var(--space-20)) clamp(var(--space-16), 10vw, var(--space-24));
}

.hero__grid {
  display: grid;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
}

@media (min-width: 960px) {
  .hero__grid {
    grid-template-columns: 1.05fr 1fr;
    align-items: center;
  }
}

.hero__content { display: flex; flex-direction: column; gap: var(--space-6); }

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.02;
  color: var(--color-text);
}

@media (min-width: 1200px) {
  .hero__title { font-size: var(--text-3xl); }
}

.hero__title em {
  font-style: italic;
  color: var(--color-accent);
  font-weight: 400;
}

.hero__lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: 1.5;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}

.hero__meta-item .num {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.hero__meta-item .label {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

.hero__media {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-surface-offset);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 960px) {
  .hero__media { aspect-ratio: 5 / 6; }
}

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

.hero__badge {
  position: absolute;
  bottom: var(--space-5);
  left: var(--space-5);
  background: var(--color-bg);
  color: var(--color-text);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: var(--shadow-md);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.hero__badge::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 4px oklch(from var(--color-success) l c h / 0.18);
}

/* ==========================================================================
   Services
   ========================================================================== */

.services {
  background: var(--color-surface-offset);
  border-block: 1px solid var(--color-divider);
}

.section__head {
  display: grid;
  gap: var(--space-5);
  margin-bottom: clamp(var(--space-10), 6vw, var(--space-16));
  max-width: 760px;
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

@media (min-width: 768px) {
  .section__title { font-size: var(--text-2xl); }
}

.section__lede {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
}

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

@media (min-width: 700px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1040px) {
  .service-grid { grid-template-columns: repeat(4, 1fr); }
}

.service {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-6) var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}

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

.service__icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: var(--radius-md);
  background: var(--color-accent-highlight);
  color: var(--color-accent);
}

.service__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
}

.service__body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   About
   ========================================================================== */

.about__grid {
  display: grid;
  gap: clamp(var(--space-10), 6vw, var(--space-16));
}

@media (min-width: 960px) {
  .about__grid {
    grid-template-columns: 1fr 1.1fr;
    align-items: center;
  }
}

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

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

.about__content { display: flex; flex-direction: column; gap: var(--space-5); }

.about__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.01em;
}

@media (min-width: 768px) { .about__title { font-size: var(--text-2xl); } }

.about__lede {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.about__values {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-top: var(--space-4);
  list-style: none;
}

@media (min-width: 560px) { .about__values { grid-template-columns: 1fr 1fr; } }

.about__values li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.about__values li svg {
  flex: 0 0 18px;
  margin-top: 4px;
  color: var(--color-accent);
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact {
  background: var(--color-surface-offset);
  border-top: 1px solid var(--color-divider);
}

.contact__grid {
  display: grid;
  gap: clamp(var(--space-10), 6vw, var(--space-16));
}

@media (min-width: 960px) {
  .contact__grid {
    grid-template-columns: 1fr 1.15fr;
    align-items: stretch;
  }
}

.contact__intro { display: flex; flex-direction: column; gap: var(--space-5); }

.contact__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.01em;
}

@media (min-width: 768px) { .contact__title { font-size: var(--text-2xl); } }

.contact__details {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-6);
}

.contact__row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

.contact__row:last-child { border-bottom: 1px solid var(--color-divider); }

.contact__icon {
  flex: 0 0 40px;
  height: 40px;
  display: grid; place-items: center;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-accent);
  border: 1px solid var(--color-divider);
}

.contact__row .label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 2px;
}

.contact__row .value {
  font-size: var(--text-base);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
}

.contact__row a.value:hover { color: var(--color-accent); }

/* Form */
.form {
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

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

.form__row--two {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 560px) {
  .form__row--two { grid-template-columns: 1fr 1fr; }
}

.form__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  font-weight: 500;
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: var(--space-4);
  font-size: var(--text-base);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: inherit;
}

.form__textarea { min-height: 140px; resize: vertical; }

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  outline: none;
  border-color: var(--color-text);
  box-shadow: 0 0 0 4px oklch(from var(--color-text) l c h / 0.08);
}

.form__submit { align-self: flex-start; }

.form__success {
  background: oklch(from var(--color-success) l c h / 0.1);
  color: var(--color-success);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  border: 1px solid oklch(from var(--color-success) l c h / 0.3);
  display: none;
}

.form__success.is-visible { display: block; }

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  padding-block: var(--space-12) var(--space-8);
  border-top: 1px solid var(--color-divider);
  background: var(--color-bg);
}

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

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

.footer__brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  max-width: 38ch;
}

.footer__heading {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: var(--space-4);
}

.footer__links { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }

.footer__links a {
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--text-sm);
}

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

.footer__bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Animations — gentle reveal on scroll
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1), transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}