*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; -webkit-font-smoothing: antialiased; }

:root, [data-theme="light"] {
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Work Sans', 'Helvetica Neue', sans-serif;
  --color-bg: #f7f5f0;
  --color-surface: #faf8f4;
  --color-surface-2: #fff;
  --color-surface-offset: #f0ede6;
  --color-divider: #ddd8ce;
  --color-border: #d4d0c8;
  --color-text: #2a2520;
  --color-text-muted: #6b6560;
  --color-text-faint: #746e67;
  --color-text-inverse: #faf8f4;
  --color-primary: #8b6914;
  --color-primary-hover: #6e5310;
  --color-primary-active: #52400e;
  --color-primary-highlight: #f0e8d4;
  --shadow-sm: 0 1px 2px rgba(40,30,10,0.06);
  --shadow-md: 0 4px 16px rgba(40,30,10,0.08);
  --shadow-lg: 0 12px 40px rgba(40,30,10,0.12);
  --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-hero: clamp(2.5rem, 0.5rem + 5.5vw, 4.5rem);
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;
  --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.75rem; --radius-xl: 1rem;
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

[data-theme="dark"] {
  --color-bg: #1a1816;
  --color-surface: #211f1c;
  --color-surface-2: #292723;
  --color-surface-offset: #1e1c19;
  --color-divider: #332f2a;
  --color-border: #3d3830;
  --color-text: #d4cfc8;
  --color-text-muted: #8a857e;
  --color-text-faint: #8a8680;
  --color-text-inverse: #1a1816;
  --color-primary: #c9a54e;
  --color-primary-hover: #d4b566;
  --color-primary-active: #b8923a;
  --color-primary-highlight: #2e2a22;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.4);
}

body {
  min-height: 100dvh; line-height: 1.6;
  font-family: var(--font-body); font-size: var(--text-base);
  color: var(--color-text); background: var(--color-bg);
}
img { display: block; max-width: 100%; height: auto; }
a, button { transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition); }
button { cursor: pointer; background: none; border: none; font: inherit; }
h1,h2,h3,h4 { font-family: var(--font-display); line-height: 1.15; text-wrap: balance; }
p, li { text-wrap: pretty; max-width: 72ch; }
::selection { background: rgba(139,105,20,0.2); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
.sr-only { position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0; }

/* NAV */
.nav { position: sticky; top: 0; z-index: 100; background: rgba(247,245,240,0.85); backdrop-filter: blur(16px); border-bottom: 1px solid var(--color-divider); }
[data-theme="dark"] .nav { background: rgba(26,24,22,0.85); }
.nav-inner { max-width: var(--content-wide); margin: 0 auto; padding: var(--space-3) var(--space-4); display: flex; align-items: center; justify-content: space-between; }
.nav-logo, .nav-brand { font-family: var(--font-display); font-size: var(--text-lg); color: var(--color-text); text-decoration: none; letter-spacing: -0.02em; font-weight: 500; }
.nav-logo span, .nav-brand span { color: var(--color-primary); }
.nav-logo:hover, .nav-brand:hover { color: var(--color-text); text-decoration: none; }
.nav-links { display: flex; gap: var(--space-6); align-items: center; list-style: none; }
.nav-links a { font-size: var(--text-sm); color: var(--color-text-muted); text-decoration: none; font-weight: 500; }
.nav-links a:hover { color: var(--color-text); }
.nav-links a.nav-cta, .nav-cta { background: var(--color-primary); color: #ffffff; padding: var(--space-2) var(--space-6); border-radius: var(--radius-lg); font-size: var(--text-sm); font-weight: 600; text-decoration: none; display: inline-block; }
.nav-cta:hover { background: var(--color-primary-hover); }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: var(--space-2); }
.hamburger span { width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.theme-toggle { color: var(--color-text-muted); padding: var(--space-1); background: transparent; border: 0; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.theme-toggle:hover { color: var(--color-text); }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

/* Skip link — fully hidden until keyboard focus (uses sr-only pattern) */
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  background: var(--color-text);
  color: var(--color-bg);
  text-decoration: none;
  z-index: 1000;
}
.skip-link:focus {
  position: absolute;
  width: auto;
  height: auto;
  padding: 12px 20px;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  top: 8px;
  left: 8px;
  border-radius: 8px;
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* HERO */
.hero { padding: clamp(var(--space-16), 8vw, var(--space-24)) var(--space-4); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -40%; left: -20%; width: 140%; height: 140%; background: radial-gradient(ellipse at 50% 0%, var(--color-primary-highlight) 0%, transparent 60%); pointer-events: none; opacity: 0.6; }
.hero-inner { max-width: var(--content-wide); margin: 0 auto; position: relative; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-12); align-items: center; }
.hero-content { max-width: 600px; }
.hero-label { font-size: var(--text-xs); font-weight: 600; color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: var(--space-4); }
.hero h1 { font-size: var(--text-hero); margin-bottom: var(--space-6); font-weight: 400; font-style: italic; color: var(--color-text); }
.hero-sub { font-size: var(--text-base); color: var(--color-text-muted); line-height: 1.8; margin-bottom: var(--space-8); }
.hero-image { display: flex; flex-direction: column; gap: var(--space-3); }
.hero-image picture { display: block; aspect-ratio: 3/4; border-radius: var(--radius-xl); overflow: hidden; }
.hero-image img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; display: block; }
.hero-caption { display: flex; flex-direction: column; gap: 2px; padding-top: var(--space-1); border-top: 1px solid var(--color-border); margin-top: var(--space-2); }
.hero-caption-name { font-family: var(--font-display); font-size: var(--text-lg); color: var(--color-text); letter-spacing: 0.005em; }
.hero-caption-role { font-size: var(--text-xs); color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.12em; font-weight: 500; }
.btn-primary { background: var(--color-primary); color: #ffffff; padding: var(--space-3) var(--space-8); border-radius: var(--radius-lg); font-weight: 600; font-size: var(--text-sm); text-decoration: none; display: inline-flex; align-items: center; gap: var(--space-2); }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary { background: transparent; color: var(--color-text); padding: var(--space-3) var(--space-8); border-radius: var(--radius-lg); font-weight: 500; font-size: var(--text-sm); text-decoration: none; border: 1px solid var(--color-border); }
.btn-secondary:hover { border-color: var(--color-text-muted); }
.hero-buttons { display: flex; gap: var(--space-4); flex-wrap: wrap; }

/* SECTIONS */
.section { padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--space-4); }
.section-inner { max-width: var(--content-wide); margin: 0 auto; }
.section-narrow { max-width: var(--content-default); margin: 0 auto; }
.section-label { font-size: var(--text-xs); font-weight: 600; color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: var(--space-3); }
.section-title { font-size: var(--text-2xl); margin-bottom: var(--space-4); font-weight: 400; }
.section-subtitle { font-size: var(--text-base); color: var(--color-text-muted); max-width: 56ch; line-height: 1.7; }
.section-bg { background: var(--color-surface); }

/* VALUE PROPOSITION */
.vp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-12); margin-top: var(--space-10); }
.vp-text p { color: var(--color-text-muted); margin-bottom: var(--space-4); line-height: 1.8; }
.vp-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); margin-top: var(--space-8); }
.stat-number { font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-primary); }
.stat-label { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-1); }

/* SITUATIONS CALLOUT */
.situations { margin-top: var(--space-12); padding: var(--space-8); background: var(--color-surface-offset); border-radius: var(--radius-xl); border-left: 4px solid var(--color-primary); }
.situations h3 { font-size: var(--text-lg); margin-bottom: var(--space-6); font-weight: 400; }
.situations-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3) var(--space-8); }
.situations-grid li { list-style: none; padding-left: 1.5em; position: relative; font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; }
.situations-grid li::before { content: ''; position: absolute; left: 0; top: 0.65em; width: 6px; height: 6px; border-radius: 50%; background: var(--color-primary); }

/* HOW I WORK */
.how-content { max-width: 720px; }
.how-content p { color: var(--color-text-muted); margin-bottom: var(--space-4); line-height: 1.8; }
.how-modes { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr)); gap: var(--space-6); margin-top: var(--space-10); }
.how-mode { background: var(--color-surface-2); border-radius: var(--radius-xl); padding: var(--space-6); border: 1px solid oklch(from var(--color-text) l c h / 0.06); }
.how-mode h4 { font-size: var(--text-base); margin-bottom: var(--space-2); font-weight: 400; }
.how-mode p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; }

/* WHO I WORK WITH */
.who-intro { max-width: 720px; margin-bottom: var(--space-10); }
.who-intro p { color: var(--color-text-muted); line-height: 1.8; margin-bottom: var(--space-4); }
.who-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr)); gap: var(--space-6); }
.who-card { background: var(--color-surface-2); border-radius: var(--radius-xl); padding: var(--space-6); border: 1px solid oklch(from var(--color-text) l c h / 0.06); transition: box-shadow var(--transition); }
.who-card:hover { box-shadow: var(--shadow-md); }
.who-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-3); font-weight: 400; }
.who-card p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; }

/* PROOF / CREDIBILITY */
.proof-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr)); gap: var(--space-6); margin-top: var(--space-10); }
.proof-card { padding: var(--space-6); border-radius: var(--radius-xl); background: var(--color-surface); border: 1px solid oklch(from var(--color-text) l c h / 0.06); }
.proof-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-3); font-weight: 400; }
.proof-card p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; }
.proof-icon { width: 40px; height: 40px; color: var(--color-primary); margin-bottom: var(--space-4); }

/* TESTIMONIALS (inside Proof) */
.testimonial-card { background: var(--color-surface); border-radius: var(--radius-xl); padding: var(--space-8); border: 1px solid oklch(from var(--color-text) l c h / 0.06); margin-top: var(--space-6); }
.testimonial-quote { font-size: var(--text-base); color: var(--color-text-muted); line-height: 1.8; font-style: italic; margin-bottom: var(--space-6); }
.testimonial-quote::before { content: '\201C'; font-family: var(--font-display); font-size: var(--text-2xl); color: var(--color-primary); line-height: 1; display: block; margin-bottom: var(--space-2); }
.testimonial-author { font-weight: 600; font-size: var(--text-sm); }
.testimonial-role { font-size: var(--text-xs); color: var(--color-text-faint); }
.testimonials-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); margin-top: var(--space-6); }

/* ENGAGEMENT MODELS */
.models-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr)); gap: var(--space-6); margin-top: var(--space-10); }
.model-card { background: var(--color-surface-2); border-radius: var(--radius-xl); padding: var(--space-6); border: 1px solid oklch(from var(--color-text) l c h / 0.06); position: relative; transition: box-shadow var(--transition); }
.model-card:hover { box-shadow: var(--shadow-md); }
.model-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-3); font-weight: 400; }
.model-card p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; }
.model-badge { display: inline-block; font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-primary); background: var(--color-primary-highlight); padding: 0.2em 0.7em; border-radius: var(--radius-sm); margin-bottom: var(--space-4); }
.model-icon { width: 36px; height: 36px; color: var(--color-primary); margin-bottom: var(--space-4); }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-12); align-items: start; margin-top: var(--space-10); }
.contact-info p { color: var(--color-text-muted); line-height: 1.8; margin-bottom: var(--space-6); }
.contact-detail { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); color: var(--color-text-muted); font-size: var(--text-sm); }
.contact-detail svg { width: 20px; height: 20px; color: var(--color-primary); flex-shrink: 0; }
.contact-detail a { color: var(--color-text-muted); text-decoration: none; }
.contact-detail a:hover { color: var(--color-primary); }
.contact-form { background: var(--color-surface); border-radius: var(--radius-xl); padding: var(--space-8); border: 1px solid oklch(from var(--color-text) l c h / 0.06); }
.form-group { margin-bottom: var(--space-4); }
.form-group label { display: block; font-size: var(--text-sm); font-weight: 500; margin-bottom: var(--space-2); color: var(--color-text); }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: var(--space-3) var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface-2); color: var(--color-text); font-size: var(--text-sm); font-family: var(--font-body); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(139,105,20,0.1); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.btn-submit { background: var(--color-primary); color: #ffffff; padding: var(--space-3) var(--space-8); border-radius: var(--radius-lg); font-weight: 600; font-size: var(--text-sm); width: 100%; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); border: none; cursor: pointer; margin-top: var(--space-2); }
.btn-submit:hover { background: var(--color-primary-hover); }

/* FOOTER */
.footer { padding: var(--space-12) var(--space-4); border-top: 1px solid var(--color-divider); }
.footer-inner { max-width: var(--content-wide); margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-4); }
.footer-brand { font-family: var(--font-display); font-size: var(--text-lg); }
.footer-brand span { color: var(--color-primary); }
.footer-name { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: 4px; }
.footer-copy { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: 4px; }
.footer-links { display: flex; gap: var(--space-6); flex-wrap: wrap; }
.footer-links a { font-size: var(--text-sm); color: var(--color-text-muted); text-decoration: none; padding: 12px 4px; display: inline-block; min-height: 24px; }
.footer-links a:hover { color: var(--color-text); }

/* MOBILE NAV (hamburger button is hidden by default; bottom tab bar is the primary mobile nav) */
.mobile-menu-btn { display: none; background: transparent; border: 0; padding: var(--space-2); color: var(--color-text); cursor: pointer; }
.mobile-menu-btn svg { width: 24px; height: 24px; }
.mobile-menu-close { position: absolute; top: var(--space-4); right: var(--space-4); background: transparent; border: 0; padding: var(--space-2); color: var(--color-text); cursor: pointer; font-size: 24px; line-height: 1; }
.mobile-menu { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: var(--color-bg); z-index: 200; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-6); padding: var(--space-8); }
.mobile-menu.is-open, .mobile-menu.open { display: flex; }
.mobile-menu a { font-size: var(--text-2xl); font-family: var(--font-display); color: var(--color-text); text-decoration: none; padding: var(--space-2) var(--space-4); }
.mobile-menu a:hover { color: var(--color-primary); }

/* BOTTOM TAB BAR (mobile only) */
.bottom-bar { display: none; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; } /* CTA hidden on mobile — bottom bar has Contact */
  .theme-toggle { display: none; } /* hide theme toggle on mobile to keep header clean */
  .hamburger { display: none; }
  .mobile-menu-btn { display: none; } /* bottom tab bar replaces hamburger on mobile */
  .mobile-menu { display: none; } /* keep hidden unless .is-open is set */
  .mobile-menu.is-open { display: flex !important; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero-image { max-height: 400px; }
  .hero-buttons { justify-content: center; }
  .vp-grid { grid-template-columns: 1fr; }
  .vp-stats { grid-template-columns: repeat(3, 1fr); }
  .situations-grid { grid-template-columns: 1fr; }
  .who-grid { grid-template-columns: 1fr; }
  .models-grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }

  .bottom-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 300;
    background: var(--color-surface-2);
    border-top: 1px solid var(--color-divider);
    padding: var(--space-1) 0 calc(var(--space-1) + env(safe-area-inset-bottom, 0px));
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -2px 16px rgba(40,30,10,0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }
  [data-theme="dark"] .bottom-bar {
    background: rgba(33,31,28,0.92);
    box-shadow: 0 -2px 16px rgba(0,0,0,0.3);
  }

  .tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: var(--space-1) 4px;
    text-decoration: none;
    color: var(--color-text-faint);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.01em;
    border-radius: var(--radius-md);
    transition: color var(--transition);
    -webkit-tap-highlight-color: transparent;
    flex: 1 1 0;
    min-width: 0;
  }
  .tab-item svg {
    width: 22px;
    height: 22px;
    stroke-width: 1.8;
    transition: color var(--transition), transform var(--transition);
  }
  .tab-item.active { color: var(--color-primary); }
  .tab-item.active svg { transform: scale(1.08); }
  .tab-item:active { transform: scale(0.92); }

  body { padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px)); }
  .footer { padding-bottom: calc(var(--space-12) + 72px + env(safe-area-inset-bottom, 0px)); }
  .nav-inner { padding: var(--space-2) var(--space-4); }
}

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