/* ==========================================================================
   Three Rivers Services — Main Stylesheet
   ========================================================================== */

/* ==========================================================================
   0. Reset (Eric Meyer based)
   ========================================================================== */

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}

body {
  line-height: 1;
}

ol, ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote::before, blockquote::after,
q::before, q::after {
  content: '';
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

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

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

button {
  font: inherit;
  cursor: pointer;
}

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

/* ---- Skip link ---- */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--sp-md, 1rem);
  z-index: 9999;
  padding: var(--sp-sm, 0.75rem) var(--sp-lg, 1.5rem);
  background-color: var(--color-accent, #B8963E);
  color: #fff;
  font-family: var(--font-body, sans-serif);
  font-size: var(--fs-sm, 0.875rem);
  font-weight: var(--fw-medium, 500);
  text-decoration: none;
  transition: top 0.2s;
}

.skip-link:focus {
  top: var(--sp-md, 1rem);
}

/* ---- Self-hosted fonts (latin only) ---- */

@font-face {
  font-family: 'Cormorant Garamond';
  font-style: italic;
  font-weight: 400 600;
  font-display: swap;
  src: url('../fonts/cormorant-garamond-italic-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Cormorant Garamond';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/cormorant-garamond-normal-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300 600;
  font-display: swap;
  src: url('../fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---- Font fallbacks to prevent CLS during swap ---- */

@font-face {
  font-family: 'Cormorant Garamond Fallback';
  src: local('Times New Roman');
  size-adjust: 113%;
  ascent-override: 90%;
  descent-override: 25%;
  line-gap-override: 0%;
}

@font-face {
  font-family: 'Inter Fallback';
  src: local('Arial');
  size-adjust: 107%;
  ascent-override: 90%;
  descent-override: 22%;
  line-gap-override: 0%;
}

/* ==========================================================================
   1. Color Tokens
   ========================================================================== */

:root {
  /* Navy */
  --palette-navy: #1B2A4A;
  --palette-navy-light: #2C3E5E;
  --palette-navy-dark: #111D35;

  /* Gold */
  --palette-gold: #B8963E;
  --palette-gold-hover: #A3832F;
  --palette-gold-light: #C9A94F;

  /* Light neutrals */
  --palette-cream: #F8F6F1;
  --palette-warm-white: #FFFDF9;
  --palette-light-border: #E2DDD6;
  --palette-light-muted: #8A8379;

  /* Dark neutrals */
  --palette-charcoal: #141920;
  --palette-charcoal-light: #1C2330;
  --palette-dark-surface: #1E2530;
  --palette-dark-border: #2A3140;
  --palette-dark-muted: #7A8290;
  --palette-soft-white: #EDE9E1;

  /* Feedback */
  --palette-success: #4A7C5C;
  --palette-error: #A63D3D;
}

/* ==========================================================================
   2. Variables & Theming
   ========================================================================== */

:root {
  /* ---- Typography ---- */
  --font-heading: 'Cormorant Garamond', 'Cormorant Garamond Fallback', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', 'Inter Fallback', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;

  --fw-light: 300;
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 2rem;
  --fs-4xl: 2.75rem;
  --fs-5xl: 3.5rem;
  --fs-6xl: 4.25rem;

  --lh-tight: 1.15;
  --lh-snug: 1.3;
  --lh-base: 1.65;
  --lh-relaxed: 1.8;

  --ls-tight: -0.03em;
  --ls-normal: 0;
  --ls-wide: 0.06em;
  --ls-wider: 0.12em;

  /* ---- Spacing ---- */
  --sp-2xs: 0.25rem;
  --sp-xs: 0.5rem;
  --sp-sm: 0.75rem;
  --sp-md: 1rem;
  --sp-lg: 1.5rem;
  --sp-xl: 2rem;
  --sp-2xl: 3rem;
  --sp-3xl: 4rem;
  --sp-4xl: 6rem;
  --sp-5xl: 8rem;
  --sp-6xl: 10rem;

  /* ---- Layout ---- */
  --container-max: 1180px;
  --container-narrow: 760px;
  --header-height: 72px;

  /* ---- Transitions ---- */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-slow: 500ms;

  /* ---- Light Mode (default) ---- */
  --color-bg: var(--palette-cream);
  --color-bg-elevated: var(--palette-warm-white);
  --color-text: var(--palette-navy);
  --color-text-muted: var(--palette-light-muted);
  --color-heading: var(--palette-navy);
  --color-accent: var(--palette-gold);
  --color-accent-hover: var(--palette-gold-hover);
  --color-border: var(--palette-light-border);
  --color-hero-overlay: rgba(27, 42, 74, 0.78);
  --color-header-bg: rgba(248, 246, 241, 0.9);
  --color-header-bg-transparent: rgba(248, 246, 241, 0);
  --color-header-border: var(--palette-light-border);
  --color-input-bg: var(--palette-warm-white);
  --color-input-border: var(--palette-light-border);
  --color-footer-bg: var(--palette-navy);
  --color-footer-text: var(--palette-soft-white);
  --color-footer-muted: var(--palette-dark-muted);
  --color-footer-accent: var(--palette-gold-light);
  --color-pullquote-border: var(--palette-gold);
  --color-pricing-border: var(--palette-light-border);
  --color-pricing-bg: var(--palette-warm-white);
  --color-review-bg: var(--palette-warm-white);
  --color-review-border: var(--palette-light-border);
  --color-star: var(--palette-gold);
  --color-disclosure-text: var(--palette-light-muted);
  --color-disclosure-border: var(--palette-light-border);
}

/* ---- Dark Mode ---- */
[data-theme="dark"] {
  --color-bg: var(--palette-charcoal);
  --color-bg-elevated: var(--palette-dark-surface);
  --color-text: var(--palette-soft-white);
  --color-text-muted: var(--palette-dark-muted);
  --color-heading: var(--palette-soft-white);
  --color-accent: var(--palette-gold);
  --color-accent-hover: var(--palette-gold-light);
  --color-border: var(--palette-dark-border);
  --color-hero-overlay: rgba(20, 25, 32, 0.82);
  --color-header-bg: rgba(20, 25, 32, 0.92);
  --color-header-bg-transparent: rgba(20, 25, 32, 0);
  --color-header-border: var(--palette-dark-border);
  --color-input-bg: var(--palette-charcoal-light);
  --color-input-border: var(--palette-dark-border);
  --color-footer-bg: var(--palette-charcoal-light);
  --color-footer-text: var(--palette-soft-white);
  --color-footer-muted: var(--palette-dark-muted);
  --color-footer-accent: var(--palette-gold-light);
  --color-pullquote-border: var(--palette-gold);
  --color-pricing-border: var(--palette-dark-border);
  --color-pricing-bg: var(--palette-dark-surface);
  --color-review-bg: var(--palette-dark-surface);
  --color-review-border: var(--palette-dark-border);
  --color-star: var(--palette-gold);
  --color-disclosure-text: var(--palette-dark-muted);
  --color-disclosure-border: var(--palette-dark-border);
}

/* ==========================================================================
   3. Layout
   ========================================================================== */

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-light);
  line-height: var(--lh-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--duration-base) var(--ease-out),
              color var(--duration-base) var(--ease-out);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--sp-xl);
  padding-right: var(--sp-xl);
}

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

.section {
  padding-top: var(--sp-6xl);
  padding-bottom: var(--sp-6xl);
}

/* ---- Fade-in on scroll ---- */

.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Header ---- */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: var(--color-header-bg-transparent);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: background-color var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              backdrop-filter var(--duration-base) var(--ease-out);
}

.header.is-scrolled {
  background-color: var(--color-header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--color-header-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* ---- Hero ---- */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background-color: var(--color-hero-overlay);
  transition: background-color var(--duration-base) var(--ease-out);
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 760px;
  padding: var(--sp-3xl) var(--sp-xl);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
}

.hero__scroll {
  position: absolute;
  bottom: var(--sp-2xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__scroll svg {
  width: 24px;
  height: 24px;
  stroke: rgba(255, 255, 255, 0.5);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(6px); }
  60% { transform: translateY(3px); }
}

/* ---- Grids ---- */

.grid-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3xl);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-2xl);
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(12.5% + var(--sp-md));
  right: calc(12.5% + var(--sp-md));
  height: 1px;
  background-color: var(--color-border);
  transition: background-color var(--duration-base) var(--ease-out);
}

.timeline__step {
  display: flex;
  flex-direction: column;
  text-align: center;
  position: relative;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-xl);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-xl);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4xl);
  align-items: start;
}

/* ---- Footer ---- */

.footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding-top: var(--sp-4xl);
  padding-bottom: var(--sp-xl);
  transition: background-color var(--duration-base) var(--ease-out);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-lg);
}

.footer__nav {
  display: flex;
  align-items: center;
  gap: var(--sp-xl);
  flex-wrap: wrap;
}

/* ==========================================================================
   4. Components
   ========================================================================== */

/* ---- Typography ---- */

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  transition: color var(--duration-base) var(--ease-out);
}

h1 { font-size: var(--fs-6xl); }
h2 { font-size: var(--fs-4xl); }
h3 { font-size: var(--fs-2xl); font-weight: var(--fw-semibold); }

p {
  color: var(--color-text);
  line-height: var(--lh-base);
  transition: color var(--duration-base) var(--ease-out);
}

.section__label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--sp-md);
}

.section__heading {
  margin-bottom: var(--sp-lg);
}

.section__heading--center {
  text-align: center;
}

.section__subheading {
  color: var(--color-text-muted);
  font-size: var(--fs-lg);
  font-weight: var(--fw-light);
  line-height: var(--lh-relaxed);
  max-width: 560px;
}

.section__subheading--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section__header {
  text-align: center;
  margin-bottom: var(--sp-4xl);
}

/* ---- Logo ---- */

.logo {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  color: var(--color-heading);
  letter-spacing: var(--ls-tight);
  white-space: nowrap;
  transition: color var(--duration-base) var(--ease-out);
}

.header:not(.is-scrolled) .logo {
  color: #fff;
}

/* ---- Navigation ---- */

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

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--sp-xl);
}

.nav__link {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: var(--fw-normal);
  color: var(--color-text);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding: var(--sp-xs) 0;
  position: relative;
  transition: color var(--duration-fast) var(--ease-out);
}

.header:not(.is-scrolled) .nav__link {
  color: rgba(255, 255, 255, 0.85);
}

.header:not(.is-scrolled) .nav__link:hover,
.header:not(.is-scrolled) .nav__link:focus-visible {
  color: #fff;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width var(--duration-base) var(--ease-out);
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-accent);
}

.nav__link:hover::after,
.nav__link:focus-visible::after {
  width: 100%;
}

/* ---- Theme Toggle ---- */

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--color-border);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: border-color var(--duration-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

.theme-toggle:hover {
  border-color: var(--color-accent);
}

.header:not(.is-scrolled) .theme-toggle {
  border-color: rgba(255, 255, 255, 0.25);
}

.header:not(.is-scrolled) .theme-toggle:hover {
  border-color: rgba(255, 255, 255, 0.6);
}

.theme-toggle__sun {
  width: 18px;
  height: 18px;
  stroke: var(--color-text);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  opacity: 1;
  transform: rotate(0deg) scale(1);
  transition: opacity var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out),
              stroke var(--duration-base) var(--ease-out);
}

.header:not(.is-scrolled) .theme-toggle__sun {
  stroke: #fff;
}

[data-theme="dark"] .theme-toggle__sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0);
  position: absolute;
}

.theme-toggle__moon {
  width: 16px;
  height: 16px;
  stroke: var(--color-text);
  fill: none;
  stroke-width: 1.5;
  opacity: 0;
  transform: rotate(90deg) scale(0);
  position: absolute;
  transition: opacity var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out),
              stroke var(--duration-base) var(--ease-out);
}

.header:not(.is-scrolled) .theme-toggle__moon {
  stroke: #fff;
}

[data-theme="dark"] .theme-toggle__moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
  position: static;
}

/* ---- Hamburger ---- */

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  padding: 0;
  gap: 6px;
}

.hamburger__line {
  display: block;
  width: 22px;
  height: 1px;
  background-color: var(--color-text);
  transition: transform var(--duration-base) var(--ease-out),
              opacity var(--duration-base) var(--ease-out),
              background-color var(--duration-base) var(--ease-out);
}

.header:not(.is-scrolled) .hamburger__line {
  background-color: #fff;
}

.hamburger[aria-expanded="true"] .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger[aria-expanded="true"] .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger[aria-expanded="true"] .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---- Buttons ---- */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  text-align: center;
  padding: var(--sp-md) var(--sp-2xl);
  border: 1px solid transparent;
  background: none;
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}

.btn--primary {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-accent);
  color: #fff;
}

.btn--hero {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

.btn--hero:hover,
.btn--hero:focus-visible {
  border-color: #fff;
  background-color: rgba(255, 255, 255, 0.1);
}

.btn--submit {
  color: var(--color-accent);
  border-color: var(--color-accent);
  width: 100%;
}

.btn--submit:hover,
.btn--submit:focus-visible {
  background-color: var(--color-accent);
  color: #fff;
}

.btn--submit:disabled {
  opacity: 0.5;
  cursor: default;
}

/* ---- Hero typography ---- */

.hero__title {
  color: #fff;
  margin-bottom: var(--sp-lg);
}

.hero__subtitle {
  color: #fff;
  font-size: var(--fs-lg);
  font-weight: var(--fw-light);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--sp-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

/* ---- Service cards ---- */

.service-card {
  padding: var(--sp-2xl) 0;
  border-top: 1px solid var(--color-border);
  transition: border-color var(--duration-base) var(--ease-out);
}

.service-card__label {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wider);
  color: var(--color-accent);
  margin-bottom: var(--sp-md);
  display: block;
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-semibold);
  color: var(--color-heading);
  margin-bottom: var(--sp-md);
  letter-spacing: var(--ls-tight);
  transition: color var(--duration-base) var(--ease-out);
}

.service-card__text {
  color: var(--color-text-muted);
  font-weight: var(--fw-light);
  line-height: var(--lh-relaxed);
}

/* ---- Timeline steps ---- */

.timeline__number {
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--sp-lg);
  letter-spacing: var(--ls-tight);
}

.timeline__title {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  color: var(--color-heading);
  margin-bottom: var(--sp-sm);
  transition: color var(--duration-base) var(--ease-out);
}

.timeline__text {
  color: var(--color-text-muted);
  font-weight: var(--fw-light);
  line-height: var(--lh-relaxed);
  font-size: var(--fs-sm);
}

/* ---- Pull-quote ---- */

.pullquote {
  text-align: center;
  padding: var(--sp-4xl) var(--sp-xl);
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
}

.pullquote__text {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: var(--fw-semibold);
  font-style: italic;
  line-height: var(--lh-snug);
  color: var(--color-heading);
  border-left: 3px solid var(--color-pullquote-border);
  padding-left: var(--sp-2xl);
  text-align: left;
  transition: color var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}

/* ---- About ---- */

.about__text {
  font-size: var(--fs-lg);
  font-weight: var(--fw-light);
  line-height: var(--lh-relaxed);
  color: var(--color-text);
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ---- Pricing ---- */

.pricing-card {
  padding: var(--sp-2xl);
  border: 1px solid var(--color-pricing-border);
  background-color: var(--color-pricing-bg);
  text-align: center;
  transition: background-color var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}

.pricing-card__title {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  color: var(--color-heading);
  margin-bottom: var(--sp-lg);
  transition: color var(--duration-base) var(--ease-out);
}

.pricing-card__price {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  margin-bottom: var(--sp-xs);
}

.pricing-card__note {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  font-weight: var(--fw-light);
}

.pricing__disclaimer {
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  font-weight: var(--fw-light);
  margin-top: var(--sp-2xl);
}

/* ---- Reviews ---- */

.review-card {
  padding: var(--sp-2xl);
  border: 1px solid var(--color-review-border);
  background-color: var(--color-review-bg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
  transition: background-color var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}

.review-card__stars {
  color: var(--color-star);
  font-size: var(--fs-sm);
  letter-spacing: 0.2em;
}

.review-card__quote {
  font-size: var(--fs-base);
  font-weight: var(--fw-light);
  line-height: var(--lh-relaxed);
  color: var(--color-text);
  font-style: italic;
  flex-grow: 1;
}

.review-card__author {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-heading);
  transition: color var(--duration-base) var(--ease-out);
}

/* ---- Form ---- */

.form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
}

.form__label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.form__input,
.form__textarea {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-light);
  padding: var(--sp-md);
  background-color: var(--color-input-bg);
  color: var(--color-text);
  border: 1px solid var(--color-input-border);
  transition: border-color var(--duration-fast) var(--ease-out),
              background-color var(--duration-base) var(--ease-out),
              color var(--duration-base) var(--ease-out);
  width: 100%;
}

.form__input:focus,
.form__textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: -1px;
  border-color: var(--color-accent);
}

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

.form__status {
  font-size: var(--fs-sm);
  font-weight: var(--fw-light);
  padding: var(--sp-md);
  display: none;
}

.form__status--success {
  display: block;
  color: var(--palette-success);
  border: 1px solid var(--palette-success);
}

.form__status--error {
  display: block;
  color: var(--palette-error);
  border: 1px solid var(--palette-error);
}

/* ---- Contact info ---- */

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xl);
}

.contact-info__heading {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-semibold);
  color: var(--color-heading);
  margin-bottom: var(--sp-sm);
  transition: color var(--duration-base) var(--ease-out);
}

.contact-info__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-info__label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.contact-info__value {
  color: var(--color-text);
  font-weight: var(--fw-light);
  transition: color var(--duration-base) var(--ease-out);
}

.contact-info__value a {
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}

.contact-info__value a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ---- Disclosures ---- */

.disclosures {
  padding-top: var(--sp-4xl);
  padding-bottom: var(--sp-4xl);
  border-top: 1px solid var(--color-disclosure-border);
  transition: border-color var(--duration-base) var(--ease-out);
}

.disclosures__heading {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-disclosure-text);
  margin-bottom: var(--sp-lg);
}

.disclosures__text {
  font-size: var(--fs-sm);
  font-weight: var(--fw-light);
  line-height: var(--lh-relaxed);
  color: var(--color-disclosure-text);
}

.disclosures__text + .disclosures__text {
  margin-top: var(--sp-md);
}

.disclosures__link {
  color: inherit;
  border-bottom: 1px solid currentColor;
}

/* ---- Footer ---- */

.footer__copyright {
  font-size: var(--fs-sm);
  font-weight: var(--fw-light);
  color: var(--color-footer-muted);
}

.footer__link {
  font-size: var(--fs-sm);
  font-weight: var(--fw-light);
  color: var(--color-footer-muted);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__link:hover {
  color: var(--color-footer-accent);
}

.footer__divider {
  color: var(--color-footer-muted);
  font-size: var(--fs-sm);
  opacity: 0.4;
}

/* ---- Checklist page ---- */

.checklist-hero {
  padding-top: calc(var(--header-height) + var(--sp-4xl));
}

.checklist-actions {
  text-align: center;
}

.checklist-section {
  padding-top: 0;
}

.checklist-category {
  margin-bottom: var(--sp-3xl);
}

.checklist-category__header {
  display: flex;
  align-items: baseline;
  gap: var(--sp-lg);
  margin-bottom: var(--sp-xl);
  padding-bottom: var(--sp-md);
  border-bottom: 1px solid var(--color-border);
  transition: border-color var(--duration-base) var(--ease-out);
}

.checklist-category__number {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: var(--ls-tight);
}

.checklist-category__title {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-semibold);
  color: var(--color-heading);
  transition: color var(--duration-base) var(--ease-out);
}

.checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.checklist__item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-md);
}

.checklist__check {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 1px solid var(--color-border);
  background-color: var(--color-input-bg);
  cursor: pointer;
  position: relative;
  margin-top: 2px;
  transition: border-color var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out);
}

.checklist__check:checked {
  border-color: var(--color-accent);
  background-color: var(--color-accent);
}

.checklist__check:checked::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 6px;
  width: 5px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checklist__check:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.checklist__label {
  font-size: var(--fs-base);
  font-weight: var(--fw-light);
  line-height: var(--lh-relaxed);
  color: var(--color-text);
  cursor: pointer;
  transition: color var(--duration-base) var(--ease-out);
}

.checklist__check:checked + .checklist__label {
  text-decoration: line-through;
  color: var(--color-text-muted);
}

.checklist-footer {
  text-align: center;
  margin-top: var(--sp-4xl);
  padding-top: var(--sp-3xl);
  border-top: 1px solid var(--color-border);
  transition: border-color var(--duration-base) var(--ease-out);
}

.checklist-footer__text {
  font-size: var(--fs-lg);
  font-weight: var(--fw-light);
  line-height: var(--lh-relaxed);
  color: var(--color-text);
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--sp-2xl);
}

.checklist-footer__cta {
  margin-top: var(--sp-2xl);
  font-size: var(--fs-base);
  color: var(--color-text-muted);
}

.checklist-footer__cta a {
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  transition: opacity var(--duration-fast) var(--ease-out);
}

.checklist-footer__cta a:hover {
  opacity: 0.7;
}

/* ==========================================================================
   5. Responsive
   ========================================================================== */

/* ---- Tablet (1024px) ---- */

@media (max-width: 1024px) {
  .grid-three {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .timeline {
    grid-template-columns: 1fr;
    gap: var(--sp-2xl);
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .timeline::before {
    display: none;
  }

  .timeline__step {
    text-align: left;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-lg);
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .reviews-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-lg);
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: var(--sp-3xl);
  }
}

/* ---- Mobile (768px) ---- */

@media (max-width: 768px) {
  :root {
    --fs-6xl: 2.75rem;
    --fs-5xl: 2.25rem;
    --fs-4xl: 2rem;
    --fs-3xl: 1.625rem;
    --fs-2xl: 1.375rem;
  }

  .section {
    padding-top: var(--sp-4xl);
    padding-bottom: var(--sp-4xl);
  }

  .container {
    padding-left: var(--sp-lg);
    padding-right: var(--sp-lg);
  }

  /* Mobile Nav */
  .hamburger {
    display: flex;
    position: relative;
    z-index: 1003;
  }

  .theme-toggle {
    position: relative;
    z-index: 1003;
  }

  .nav__list {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: calc(var(--header-height) + var(--sp-2xl));
    gap: var(--sp-xl);
    background-color: var(--palette-cream);
    opacity: 0;
    visibility: hidden;
    overflow-y: auto;
    transition: opacity var(--duration-base) var(--ease-out),
                visibility var(--duration-base) var(--ease-out);
    z-index: 1001;
  }

  [data-theme="dark"] .nav__list {
    background-color: var(--palette-charcoal);
  }

  .nav__list.is-open {
    opacity: 1;
    visibility: visible;
  }

  /* Force solid header when mobile menu is open */
  .header.is-menu-open,
  .header.is-menu-open.is-scrolled {
    background-color: transparent;
    border-bottom-color: transparent;
    z-index: 1002;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .header.is-menu-open .nav__link,
  .header.is-menu-open .logo,
  .header.is-menu-open:not(.is-scrolled) .nav__link,
  .header.is-menu-open:not(.is-scrolled) .logo {
    color: var(--color-text);
  }

  .header.is-menu-open .theme-toggle {
    border-color: var(--color-border);
  }

  .header.is-menu-open .theme-toggle__sun,
  .header.is-menu-open .theme-toggle__moon {
    stroke: var(--color-text);
  }

  .header.is-menu-open .hamburger__line {
    background-color: var(--color-text);
  }

  .nav__link {
    font-size: var(--fs-lg);
    letter-spacing: var(--ls-wider);
  }

  /* Hero */
  .hero {
    min-height: 85vh;
  }

  .hero__content {
    padding: calc(var(--header-height) + var(--sp-3xl)) var(--sp-lg) var(--sp-2xl);
  }

  /* Pull-quote */
  .pullquote {
    padding: var(--sp-3xl) var(--sp-lg);
  }

  .pullquote__text {
    font-size: var(--fs-2xl);
    padding-left: var(--sp-lg);
  }

  /* Section headers */
  .section__header {
    margin-bottom: var(--sp-3xl);
  }

  /* Footer */
  .footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--sp-xl);
  }

  .footer__nav {
    flex-direction: column;
    align-items: center;
    gap: var(--sp-sm);
  }

  .footer__divider {
    display: none;
  }

  /* Disclosures */
  .disclosures {
    padding-top: var(--sp-3xl);
    padding-bottom: var(--sp-3xl);
  }
}

/* ---- Small mobile (480px) ---- */

@media (max-width: 480px) {
  :root {
    --fs-6xl: 2.25rem;
    --fs-4xl: 1.75rem;
  }

  .hero {
    min-height: 75vh;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .container {
    padding-left: var(--sp-md);
    padding-right: var(--sp-md);
  }
}

/* ---- Print ---- */

@media print {
  .header,
  .footer,
  .checklist-actions,
  .theme-toggle,
  .hamburger {
    display: none !important;
  }

  .checklist-hero {
    padding-top: 0;
  }

  .section {
    padding-top: var(--sp-xl);
    padding-bottom: var(--sp-xl);
  }

  .fade-in {
    opacity: 1 !important;
    transform: none !important;
  }

  .checklist-category {
    break-inside: avoid;
    margin-bottom: var(--sp-xl);
  }

  .checklist__check {
    border: 1px solid #999;
    background: #fff;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .checklist__check:checked {
    background-color: var(--color-accent);
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  body {
    background: #fff;
    color: #1B2A4A;
  }

  .checklist-footer {
    break-inside: avoid;
  }
}