/* ============================================================
   MARCUS ILES — Personal Brand Site
   Art direction: editorial authority, dark/moody, high contrast
   Palette: near-black surfaces, warm cream text, amber accent
   Fonts: Instrument Serif (display) + Switzer (body)
   ============================================================ */

/* ─── Design Tokens ─────────────────────────────────────────── */
:root,
[data-theme='light'] {
  --color-bg: #f5f3ef;
  --color-surface: #f9f7f4;
  --color-surface-2: #ffffff;
  --color-surface-offset: #ede9e3;
  --color-divider: #d8d4cc;
  --color-border: #ccc8bf;

  --color-text: #1a1814;
  --color-text-muted: #6b6860;
  --color-text-faint: #b0ada6;
  --color-text-inverse: #f5f3ef;

  --color-primary: #b8601a;
  --color-primary-hover: #9a4e14;
  --color-primary-active: #7d3d0e;
  --color-primary-highlight: #f0e0d0;

  --color-accent-line: #b8601a;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(20, 15, 5, 0.07);
  --shadow-md: 0 4px 16px rgba(20, 15, 5, 0.10);
  --shadow-lg: 0 16px 48px rgba(20, 15, 5, 0.14);

  --content-narrow: 680px;
  --content-default: 1000px;
  --content-wide: 1200px;

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Switzer', 'Helvetica Neue', sans-serif;

  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.27vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 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);

  --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;

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme='dark'] {
  --color-bg: #111009;
  --color-surface: #161410;
  --color-surface-2: #1c1a15;
  --color-surface-offset: #1a1814;
  --color-divider: #252118;
  --color-border: #302c22;

  --color-text: #e8e4da;
  --color-text-muted: #8a8578;
  --color-text-faint: #4a4740;
  --color-text-inverse: #111009;

  --color-primary: #d4782a;
  --color-primary-hover: #e8893a;
  --color-primary-active: #f09850;
  --color-primary-highlight: #2e1e0a;

  --color-accent-line: #d4782a;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #111009;
    --color-surface: #161410;
    --color-surface-2: #1c1a15;
    --color-surface-offset: #1a1814;
    --color-divider: #252118;
    --color-border: #302c22;
    --color-text: #e8e4da;
    --color-text-muted: #8a8578;
    --color-text-faint: #4a4740;
    --color-text-inverse: #111009;
    --color-primary: #d4782a;
    --color-primary-hover: #e8893a;
    --color-primary-active: #f09850;
    --color-primary-highlight: #2e1e0a;
    --color-accent-line: #d4782a;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
  }
}

/* ─── Reset / Base ───────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.15; }
p, li { text-wrap: pretty; max-width: 68ch; }

a { color: inherit; text-decoration: none; }
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ─── Layout Helpers ─────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}
.container-narrow {
  max-width: var(--content-narrow);
}
.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

/* ─── Header ─────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  border-bottom-color: var(--color-divider);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-4) clamp(var(--space-6), 5vw, var(--space-16));
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  flex-shrink: 0;
  transition: opacity var(--transition);
}
.logo:hover { opacity: 0.75; }
.logo-text { letter-spacing: -0.01em; }

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-left: auto;
  font-size: var(--text-sm);
  font-weight: 500;
}
.site-nav a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.site-nav a:hover { color: var(--color-text); }

.nav-cta {
  color: var(--color-primary) !important;
  border: 1px solid var(--color-primary);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  transition: background-color var(--transition), color var(--transition) !important;
}
.nav-cta:hover {
  background: var(--color-primary) !important;
  color: var(--color-text-inverse) !important;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: color var(--transition), background var(--transition);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}
.btn-large {
  font-size: var(--text-base);
  padding: var(--space-5) var(--space-10);
}

/* ─── Hero ───────────────────────────────────────────────────── */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 70% 40%, color-mix(in srgb, var(--color-primary) 8%, transparent), transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: clamp(var(--space-10), 5vw, var(--space-20));
  align-items: center;
  width: 100%;
}

.hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  max-width: none;
}

.hero-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-8);
}

.hero-heading em {
  font-style: italic;
  color: var(--color-primary);
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-10);
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-photo {
  width: 100%;
  max-width: 260px;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-xl);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-lg);
}

.hero-photo-mobile { display: none; }
.hero-photo-sm {
  width: 80px;
  max-width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  margin-bottom: var(--space-4);
}

.hero-image-accent {
  position: absolute;
  inset: var(--space-6) calc(var(--space-6) * -1) calc(var(--space-6) * -1) var(--space-6);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl);
  opacity: 0.35;
  z-index: 0;
}

/* ─── Section Labels ─────────────────────────────────────────── */
.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  max-width: none;
}
.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-12);
}

/* ─── Problem Section ────────────────────────────────────────── */
.section-problem {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-12), 6vw, var(--space-24));
  align-items: center;
}

.problem-text h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-6);
}
.problem-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}
.problem-text p:last-child { margin-bottom: 0; }

.problem-quote {
  display: flex;
  align-items: center;
  justify-content: center;
}

blockquote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-xl);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-text);
  border-left: 3px solid var(--color-primary);
  padding-left: var(--space-8);
  max-width: 38ch;
}

/* ─── Services ───────────────────────────────────────────────── */
.section-what {
  background: var(--color-bg);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color var(--transition);
}
.service-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.service-card:nth-child(2) { transition-delay: 0.1s; }
.service-card:nth-child(3) { transition-delay: 0.2s; }

.service-card:hover {
  border-color: var(--color-primary);
}

.service-num {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-xl);
  color: var(--color-primary);
  opacity: 0.6;
  margin-bottom: var(--space-4);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-4);
}

.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ─── Steps ──────────────────────────────────────────────────── */
.section-how {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.section-how .section-heading {
  text-align: center;
}
.section-how .section-label {
  text-align: center;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: var(--space-8);
  padding-block: var(--space-10);
  border-bottom: 1px solid var(--color-divider);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.step:last-child { border-bottom: none; }
.step.visible { opacity: 1; transform: translateY(0); }
.step:nth-child(2) { transition-delay: 0.1s; }
.step:nth-child(3) { transition-delay: 0.2s; }

.step-marker {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: var(--space-1);
}
.step-marker span {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--color-primary);
  border-radius: 50%;
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-base);
  color: var(--color-primary);
  flex-shrink: 0;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
}
.step-content p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

/* ─── About ──────────────────────────────────────────────────── */
.section-about {
  background: var(--color-bg);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: clamp(var(--space-12), 6vw, var(--space-24));
  align-items: start;
}
.about-text h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-8);
}
.about-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}
.about-text p:last-of-type { margin-bottom: var(--space-8); }

.about-credentials {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.about-credentials span {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
}

.about-aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  position: sticky;
  top: var(--space-24);
}

.about-stat {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.about-stat.visible { opacity: 1; transform: translateY(0); }
.about-stat:nth-child(2) { transition-delay: 0.15s; }

.stat-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-xl);
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: var(--space-3);
  max-width: none;
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ─── Contact ────────────────────────────────────────────────── */
.section-contact {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
}
.contact-inner {
  text-align: center;
}
.contact-inner h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}
.contact-inner > p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-10);
  margin-inline: auto;
}
.contact-inner .btn-primary {
  margin-bottom: var(--space-6);
}
.contact-sub {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  max-width: none;
}
.contact-sub a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ─── Footer ─────────────────────────────────────────────────── */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-8);
}
.site-footer p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 860px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  .hero-image-wrap {
    display: none;
  }
  .hero-photo-mobile {
    display: block;
  }
  .hero-heading {
    font-size: var(--text-2xl);
  }
  .problem-grid {
    grid-template-columns: 1fr;
  }
  .blockquote {
    display: none;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-aside {
    position: static;
  }
}

@media (max-width: 600px) {
  .site-nav a:not(.nav-cta) {
    display: none;
  }
  .hero-heading {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }
  .section-heading {
    font-size: var(--text-xl);
  }
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  .problem-quote {
    display: none;
  }
}