/* ============================================================
   RIGHT ANGLE FINANCE & ACCOUNTING — Design Tokens & Base
   Dark navy system pulled from the logo's darkest bar, carried
   across the whole page rather than isolated to one section.
   ============================================================ */

:root {
  /* Color */
  --bg: #101B36;          /* page background — deep navy, lightened for readability */
  --bg-alt: #142244;      /* subtle alt-section tone */
  --surface: #182849;     /* card surface */
  --surface-2: #1E3153;   /* raised / hovered surface */
  --paper: #F7F7F5;       /* light inversion surface + button fill */
  --ink: #0D1B3D;         /* dark text used on light (--paper) surfaces */

  --text-primary: #F3F4F2;
  --text-secondary: #C3CADC;   /* body copy on dark — lightened/warmed for long-form legibility */
  --text-tertiary: #8E97AC;    /* decorative / large-text only, <4.5:1 at small sizes */

  --accent: #C6A667;      /* muted brass/gold — the one deliberate pop of color */
  --accent-soft: rgba(198, 166, 103, 0.16);

  --line: rgba(247, 247, 245, 0.10);
  --line-strong: rgba(247, 247, 245, 0.22);

  --error: #FF7A6E;

  /* Type */
  --font-display: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing scale (8px base) */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --space-8: 8.5rem;

  /* Layout */
  --container: 1240px;
  --container-narrow: 800px;
  --radius-sm: 2px;
  --radius-md: 4px;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 180ms;
  --dur-med: 320ms;
  --dur-slow: 620ms;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 12px 28px rgba(0, 0, 0, 0.32);
  --shadow-lg: 0 28px 56px rgba(0, 0, 0, 0.42);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, picture, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; }
input, textarea { font: inherit; color: inherit; }
ul { list-style: none; padding: 0; }

::selection { background: var(--paper); color: var(--ink); }

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

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
  transform: scaleX(0);
  transform-origin: left;
}
.hero-copy .eyebrow::before { animation: drawLine 600ms var(--ease) 300ms forwards; }
.is-visible .eyebrow::before { animation: drawLine 600ms var(--ease) forwards; }
@keyframes drawLine { to { transform: scaleX(1); } }

.lede {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 46ch;
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (max-width: 640px) {
  .container { padding-inline: var(--space-3); }
}

.section { padding-block: var(--space-8); }
.section--tight { padding-block: var(--space-6); }
.section--alt { background: var(--bg-alt); }
.section-head { max-width: 640px; margin-bottom: var(--space-6); }
.section-head--center { max-width: 640px; margin-inline: auto; text-align: center; }

.section-head h2 { margin-top: var(--space-2); font-size: clamp(2rem, 3.2vw, 2.75rem); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.95em 1.7em;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; transition: transform var(--dur-fast) var(--ease); }

.btn-primary {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--paper);
}
.btn-primary:hover {
  background: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--accent-soft);
}
.btn-primary:hover svg { transform: translate(3px, -3px); }

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding-block: var(--space-3);
  background: var(--paper);
  border-bottom: 1px solid rgba(13, 27, 61, 0.08);
  transition: padding var(--dur-med) var(--ease),
              box-shadow var(--dur-med) var(--ease);
}
.site-header.is-scrolled {
  padding-block: var(--space-2);
  box-shadow: 0 4px 24px rgba(13, 27, 61, 0.08);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand { display: flex; align-items: center; }
.brand img { height: 50px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}
.nav-links a {
  position: relative;
  font-size: 0.9rem;
  font-weight: 500;
  color: #47536B;
  padding-block: 4px;
  transition: color var(--dur-fast) var(--ease);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-med) var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-cta { display: flex; align-items: center; gap: var(--space-3); }
.nav-cta .btn {
  padding: 0.7em 1.4em;
  font-size: 0.85rem;
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.nav-cta .btn:hover {
  background: #16234A;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.nav-toggle {
  display: none;
  width: 32px; height: 24px;
  position: relative;
  cursor: pointer;
  z-index: 110;
}
.nav-toggle span {
  position: absolute; left: 0; right: 0; height: 2px;
  background: var(--ink);
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease), top var(--dur-fast) var(--ease);
}
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 11px; }
.nav-toggle span:nth-child(3) { top: 22px; }
.nav-toggle.is-open span:nth-child(1) { top: 11px; transform: rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { top: 11px; transform: rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
section[id] { scroll-margin-top: 100px; }

.hero {
  position: relative;
  padding-top: calc(var(--space-8) + 3rem);
  padding-bottom: var(--space-7);
  overflow: hidden;
}

/* Faint watermark bar-chart, echoing the logo mark, bleeding off
   the right edge rather than sitting in a boxed mockup card. */
.hero-watermark {
  position: absolute;
  top: 50%;
  right: 7vw;
  transform: translateY(-50%);
  display: flex;
  align-items: flex-end;
  gap: clamp(18px, 2.6vw, 34px);
  height: 62%;
  min-height: 320px;
  pointer-events: none;
  z-index: 0;
}
.hero-watermark .bar {
  width: clamp(46px, 6vw, 84px);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: linear-gradient(180deg, rgba(247,247,245,0.16), rgba(247,247,245,0.05));
  transform: scaleY(0);
  transform-origin: bottom;
  animation: growBar 1100ms var(--ease) forwards;
}
.hero-watermark .bar:nth-child(1) { height: 30%; animation-delay: 120ms; }
.hero-watermark .bar:nth-child(2) { height: 50%; animation-delay: 260ms; }
.hero-watermark .bar:nth-child(3) { height: 72%; animation-delay: 400ms; }
.hero-watermark .bar:nth-child(4) { height: 100%; background: linear-gradient(180deg, rgba(198,166,103,0.55), rgba(198,166,103,0.12)); animation-delay: 540ms; }
@keyframes growBar { to { transform: scaleY(1); } }
@media (prefers-reduced-motion: reduce) {
  .hero-watermark .bar { animation: none; transform: scaleY(1); }
}

.hero .container { position: relative; z-index: 1; }
.hero-copy { max-width: 720px; }
.hero-copy h1 {
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 700;
}
.hero-copy .eyebrow { margin-top: var(--space-4); }
.hero-copy .lede { margin-top: var(--space-3); font-size: 1.2rem; max-width: 56ch; }
.hero-actions {
  margin-top: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.hero-actions .link-inline {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 1px solid var(--text-tertiary);
  padding-bottom: 2px;
  transition: border-color var(--dur-fast) var(--ease);
}
.hero-actions .link-inline:hover { border-color: var(--text-primary); }

/* ============================================================
   SERVICES
   ============================================================ */
.services-intro {
  max-width: 640px;
  margin-bottom: var(--space-6);
}
.services-intro p { margin-top: var(--space-2); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.service-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-4);
  overflow: hidden;
  cursor: default;
  transition: background var(--dur-med) var(--ease), transform var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease), border-color var(--dur-med) var(--ease);
}
.service-card:hover {
  background: var(--surface-2);
  transform: translateY(-4px) scale(1.012);
  box-shadow: var(--shadow-md);
  border-color: var(--line-strong);
}
.service-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  color: var(--text-primary);
  transition: border-color var(--dur-med) var(--ease), background var(--dur-med) var(--ease), color var(--dur-med) var(--ease);
  transform: scale(0.6);
  opacity: 0;
}
.service-card.is-visible .service-icon {
  animation: iconPop 500ms var(--ease) 200ms forwards;
}
@keyframes iconPop {
  60% { transform: scale(1.08); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}
.service-icon svg { width: 22px; height: 22px; }
.service-card:hover .service-icon {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}
.service-card h3 { font-size: 1.4rem; margin-bottom: var(--space-1); }
.service-card .service-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
  transition: color var(--dur-med) var(--ease);
}
.service-card:hover .service-tagline { color: var(--text-primary); }

.service-card ul { display: grid; gap: 0.85em; }
.service-card ul li {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--text-secondary);
  padding-left: 1.1em;
  position: relative;
  transition: color var(--dur-med) var(--ease);
}
.service-card ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.55em;
  width: 5px; height: 1px;
  background: var(--text-tertiary);
  transition: background var(--dur-med) var(--ease);
}
.service-card ul li strong {
  display: block;
  color: var(--text-primary);
  font-weight: 600;
}
.service-card:hover ul li { color: var(--text-primary); }
.service-card:hover ul li::before { background: var(--accent); }

/* ============================================================
   ABOUT US
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  gap: var(--space-5);
  align-items: start;
}
.about-photo {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 220px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--dur-slow) var(--ease), border-color var(--dur-slow) var(--ease);
}
.about-photo:hover {
  border-color: var(--accent-soft);
  box-shadow: var(--shadow-md), 0 0 0 4px var(--accent-soft);
}
.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(85%) contrast(1.05) brightness(0.95);
  transition: filter var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.about-photo:hover img {
  filter: grayscale(0%) contrast(1) brightness(1);
  transform: scale(1.03);
}
.about-copy h2 { margin-top: var(--space-1); font-size: clamp(1.5rem, 2.2vw, 1.9rem); }
.about-copy .credential {
  display: block;
  margin-top: 0.35em;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--accent);
}
.about-copy .lede { margin-top: var(--space-3); max-width: 56ch; font-size: 1rem; }
.about-linkedin {
  margin-top: var(--space-3);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  white-space: nowrap;
}
.about-linkedin svg { width: 16px; height: 16px; flex-shrink: 0; transition: transform var(--dur-fast) var(--ease); }
.about-linkedin:hover svg { transform: translate(3px, -3px); }

/* ============================================================
   PROCESS / HOW IT WORKS
   ============================================================ */
.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.process-item {
  padding-top: var(--space-3);
  position: relative;
}
.process-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--line-strong);
}
.process-item::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 800ms var(--ease) 150ms;
}
.process-item.is-visible::after { transform: scaleX(1); }
.process-item .step-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent);
  display: block;
  margin-bottom: var(--space-2);
}
.process-item h4 { font-size: 1.1rem; margin-bottom: 0.5em; }
.process-item p { font-size: 0.92rem; color: var(--text-secondary); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-7);
}
.contact-info h2 { font-size: clamp(2rem, 3vw, 2.6rem); margin-top: var(--space-2); }
.contact-info .lede { margin-top: var(--space-3); }

.contact-channels { margin-top: var(--space-5); display: grid; gap: var(--space-3); }
.contact-channel {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-2);
  border-top: 1px solid var(--line);
}
.contact-channel:first-child { border-top: none; }
.contact-channel .ic {
  width: 40px; height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  flex-shrink: 0;
}
.contact-channel .ic svg { width: 18px; height: 18px; }
.contact-channel a {
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--dur-fast) var(--ease);
}
.contact-channel .chan-label { display: block; font-size: 0.78rem; color: var(--accent); margin-bottom: 2px; }
.contact-channel:hover .ic { background: var(--paper); border-color: var(--paper); }
.contact-channel:hover .ic svg { color: var(--ink); }
.contact-channel:hover a { color: var(--text-primary); }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.field { margin-bottom: var(--space-3); }
.field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.5em;
}
.field input, .field textarea {
  width: 100%;
  padding: 0.85em 1em;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-tertiary); }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--paper);
  box-shadow: 0 0 0 3px rgba(247,247,245,0.10);
}
.field textarea { resize: vertical; min-height: 120px; }
.field .err-msg {
  display: none;
  font-size: 0.8rem;
  color: var(--error);
  margin-top: 0.4em;
}
.field.has-error input, .field.has-error textarea { border-color: var(--error); }
.field.has-error .err-msg { display: block; }

.form-submit { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-2); }
.form-status { font-size: 0.85rem; color: var(--text-secondary); }
.form-status.is-success { color: var(--text-primary); font-weight: 600; }
.form-status.is-error { color: var(--error); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  color: var(--text-secondary);
  padding-block: var(--space-6) var(--space-4);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--line);
}
.footer-brand img { height: 44px; margin-bottom: var(--space-3); filter: brightness(0) invert(1); }
.footer-brand p { color: var(--text-secondary); font-size: 0.92rem; max-width: 34ch; }
.footer-col h5 {
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-3);
}
.footer-col ul { display: grid; gap: 0.7em; }
.footer-col a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: color var(--dur-fast) var(--ease), padding-left var(--dur-fast) var(--ease);
}
.footer-col a:hover { color: var(--text-primary); padding-left: 4px; }

.footer-bottom {
  padding-top: var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 0.8rem;
  color: var(--text-tertiary);
}
.footer-bottom .tag { color: var(--text-tertiary); }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-watermark { opacity: 0.6; }
  .contact-wrap { grid-template-columns: 1fr; gap: var(--space-6); }
  .process-list { grid-template-columns: repeat(2, 1fr); row-gap: var(--space-5); }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 180px; }
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .brand { flex-shrink: 0; }
  .services-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: var(--space-4); }
  .hero-watermark { display: none; }

  .mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--paper);
    z-index: 90;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-4);
    transform: translateY(-100%);
    transition: transform var(--dur-med) var(--ease);
  }
  .mobile-menu.is-open { transform: translateY(0); }
  .mobile-menu a {
    font-family: var(--font-display);
    font-size: 2rem;
    padding-block: 0.4em;
    border-bottom: 1px solid rgba(13, 27, 61, 0.10);
    color: var(--ink);
  }
  .mobile-menu .btn {
    margin-top: var(--space-4);
    align-self: flex-start;
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
  }
}
@media (min-width: 861px) { .mobile-menu { display: none; } }

@media (max-width: 640px) {
  .section { padding-block: var(--space-6); }
  .form-row { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}