/* ============================================
   Gravitas Resources — 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);

  /* 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;

  --radius: 4px;
  --maxw: 1200px;
  --font-display: 'Cormorant Garamond', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

:root,
[data-theme='light'] {
  --color-bg: #faf6ef;
  --color-surface: #fffdf9;
  --color-surface-2: #f4eee3;
  --color-navy: #14264a;
  --color-navy-deep: #0d1a33;
  --color-text: #1a1f2b;
  --color-text-muted: #5f6675;
  --color-text-faint: #9aa0ac;
  --color-text-inverse: #faf6ef;
  --color-gold: #a8813f;
  --color-gold-bright: #c19a4d;
  --color-border: #e2d9c9;
  --color-divider: #ece5d8;
  --shadow-sm: 0 1px 2px rgba(20, 38, 74, 0.06);
  --shadow-md: 0 8px 30px rgba(20, 38, 74, 0.08);
  --logo-src: url('assets/logo.png');
}

[data-theme='dark'] {
  --color-bg: #0d1523;
  --color-surface: #131d2f;
  --color-surface-2: #1a2740;
  --color-navy: #0a1120;
  --color-navy-deep: #070c17;
  --color-text: #eef1f6;
  --color-text-muted: #a3adbf;
  --color-text-faint: #6b7689;
  --color-text-inverse: #eef1f6;
  --color-gold: #d3ae66;
  --color-gold-bright: #e0c084;
  --color-border: #26334c;
  --color-divider: #1d283d;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
}

p {
  margin: 0;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

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

.eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin: 0 0 var(--space-4);
}

.lede {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 60ch;
}

.muted {
  color: var(--color-text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.9em 1.7em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.25s var(--ease),
    background 0.25s var(--ease),
    color 0.25s var(--ease),
    border-color 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--color-navy);
  color: #faf6ef;
}

.btn--primary:hover {
  background: var(--color-navy-deep);
}

[data-theme='dark'] .btn--primary {
  background: var(--color-gold);
  color: #0d1523;
}

[data-theme='dark'] .btn--primary:hover {
  background: var(--color-gold-bright);
}

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

.btn--ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn--gold {
  background: var(--color-gold);
  color: #14264a;
}

.btn--gold:hover {
  background: var(--color-gold-bright);
}

.btn--outline-light {
  border-color: rgba(250, 246, 239, 0.35);
  color: #faf6ef;
}

.btn--outline-light:hover {
  border-color: #faf6ef;
  background: rgba(250, 246, 239, 0.08);
}

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

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: var(--space-4);
  top: var(--space-4);
  z-index: 100;
  background: var(--color-surface);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
}

/* ============================================
   Header
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition:
    border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}

.header--scrolled {
  border-bottom-color: var(--color-divider);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.brand img {
  height: 46px;
  width: auto;
}

[data-theme='dark'] .brand img.logo-dark {
  display: none;
}

[data-theme='dark'] .brand img.logo-light {
  display: block;
}

.brand img.logo-light {
  display: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  color: var(--color-text-muted);
  padding-block: var(--space-1);
  border-bottom: 1px solid transparent;
  transition:
    color 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.nav a:hover {
  color: var(--color-text);
  border-bottom-color: var(--color-gold);
}

/* The in-nav CTA is for the mobile drawer only */
.nav > .btn {
  display: none;
}

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

.icon-btn {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition:
    color 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.icon-btn:hover {
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.icon-btn svg {
  width: 17px;
  height: 17px;
}

.moon {
  display: none;
}

[data-theme='dark'] .moon {
  display: block;
}

[data-theme='dark'] .sun {
  display: none;
}

.menu-btn {
  display: none;
}

@media (max-width: 900px) {
  .nav {
    position: fixed;
    inset: 78px 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-2) var(--space-6) var(--space-6);
    transform: translateY(-130%);
    transition: transform 0.4s var(--ease);
    box-shadow: var(--shadow-md);
  }

  .nav.open {
    transform: translateY(0);
  }

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

  .nav > .btn {
    display: inline-flex;
    margin-top: var(--space-4);
  }

  .header__actions .btn--primary {
    display: none;
  }

  .menu-btn {
    display: grid;
  }
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  padding-block: clamp(var(--space-16), 7vw, var(--space-24))
    clamp(var(--space-16), 8vw, var(--space-24));
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, color-mix(in srgb, var(--color-gold) 16%, transparent), transparent 68%);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}

.hero h1 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-5);
  max-width: 18ch;
}

.hero h1 em {
  font-style: italic;
  color: var(--color-gold);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.hero__media {
  position: relative;
}

.hero__media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero__media::after {
  content: '';
  position: absolute;
  inset: auto -14px -14px auto;
  width: 62%;
  height: 62%;
  border: 1px solid var(--color-gold);
  border-radius: var(--radius);
  z-index: -1;
}

.hero__badge {
  position: absolute;
  bottom: var(--space-6);
  left: calc(-1 * var(--space-6));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-md);
  max-width: 240px;
}

.hero__badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-gold);
  line-height: 1.1;
}

.hero__badge span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

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

  .hero h1 {
    max-width: 24ch;
  }

  .hero__badge {
    left: var(--space-4);
    bottom: var(--space-4);
  }
}

/* ============================================
   Stat strip
   ============================================ */
.strip {
  background: var(--color-navy);
  color: #faf6ef;
  padding-block: var(--space-12);
}

.strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  text-align: center;
}

.strip__item {
  padding-inline: var(--space-4);
  border-left: 1px solid rgba(250, 246, 239, 0.16);
}

.strip__item:first-child {
  border-left: 0;
}

.strip__item strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-gold-bright);
  line-height: 1.1;
  margin-bottom: var(--space-1);
}

.strip__item span {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(250, 246, 239, 0.72);
}

@media (max-width: 720px) {
  .strip__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8) var(--space-4);
  }

  .strip__item:nth-child(odd) {
    border-left: 0;
  }
}

/* ============================================
   Section headers
   ============================================ */
.sec-head {
  max-width: 62ch;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}

.sec-head h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

/* ============================================
   Audience split
   ============================================ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  display: flex;
  flex-direction: column;
  transition:
    transform 0.3s var(--ease),
    border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}

.panel:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
}

.panel h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.panel ul {
  list-style: none;
  margin: var(--space-6) 0 var(--space-8);
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.panel li {
  position: relative;
  padding-left: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.panel li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 1px;
  background: var(--color-gold);
}

.panel .btn {
  align-self: flex-start;
  margin-top: auto;
}

@media (max-width: 820px) {
  .split {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Industries
   ============================================ */
.industries {
  background: var(--color-surface-2);
}

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

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-8);
  transition:
    transform 0.3s var(--ease),
    border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
}

.card__icon {
  width: 40px;
  height: 40px;
  color: var(--color-gold);
  margin-bottom: var(--space-5);
}

.card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

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

@media (max-width: 940px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .cards {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Process
   ============================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  counter-reset: step;
}

.step {
  counter-increment: step;
  padding-top: var(--space-6);
  border-top: 2px solid var(--color-divider);
}

.step::before {
  content: '0' counter(step);
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-gold);
  margin-bottom: var(--space-3);
}

.step h3 {
  font-size: var(--text-base);
  font-family: var(--font-body);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

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

@media (max-width: 880px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   About
   ============================================ */
.about {
  background: var(--color-surface-2);
}

.about__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}

.about__media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.about h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-5);
}

.about p + p {
  margin-top: var(--space-4);
}

.quote {
  margin: var(--space-8) 0 0;
  padding-left: var(--space-6);
  border-left: 2px solid var(--color-gold);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  line-height: 1.4;
}

@media (max-width: 880px) {
  .about__grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Contact
   ============================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
}

.contact-list {
  list-style: none;
  margin: var(--space-8) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-6);
}

.contact-list dt {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-1);
}

.contact-list dd {
  margin: 0;
  font-size: var(--text-base);
}

.contact-list a {
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid var(--color-gold);
  transition: color 0.2s var(--ease);
}

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

form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
}

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

.field {
  display: block;
  margin-bottom: var(--space-5);
}

.field span {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

input,
select,
textarea {
  width: 100%;
  font-family: inherit;
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.8em 0.9em;
  transition:
    border-color 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-gold) 18%, transparent);
}

textarea {
  resize: vertical;
  min-height: 130px;
}

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-4);
}

.form-status {
  display: none;
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--color-gold) 14%, transparent);
  border: 1px solid var(--color-gold);
}

.form-status.show {
  display: block;
}

@media (max-width: 880px) {
  .contact__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .field-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-navy-deep);
  color: rgba(250, 246, 239, 0.72);
  padding-block: var(--space-16) var(--space-8);
  font-size: var(--text-sm);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid rgba(250, 246, 239, 0.14);
}

.footer img {
  height: 52px;
  width: auto;
  margin-bottom: var(--space-5);
}

.footer h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold-bright);
  margin-bottom: var(--space-4);
}

.footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.footer a {
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 0.2s var(--ease);
}

.footer a:hover {
  color: #faf6ef;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  padding-top: var(--space-8);
  font-size: var(--text-xs);
  color: rgba(250, 246, 239, 0.55);
}

@media (max-width: 780px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

/* ============================================
   Reveal on scroll
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
}

.reveal.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }
}