/* ============================================
   ClientSignal — Main Stylesheet
   ============================================ */

/* --- Custom Properties --- */
:root {
  --color-black: #000000;
  --color-dark-gray: #5a6a5a;
  --color-green: #56a319;
  --color-green-hover: #4a8f16;
  --color-green-light: rgba(86, 163, 25, 0.1);
  --color-white: #ffffff;
  --color-light-bg: #f8f9fa;
  --color-border: #e1e5e9;
  --color-text: #333333;
  --color-text-light: #6b7280;

  --font-family: 'Source Sans 3', 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3.25rem;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  --max-width: 1200px;
  --header-height: 80px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);

  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
}

/* --- Visually Hidden --- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--spacing-sm);
  background: var(--color-green);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--spacing-sm);
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-2xl) 0;
}

.section--dark {
  background-color: var(--color-black);
  color: var(--color-white);
}

.section--light {
  background-color: var(--color-light-bg);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
  line-height: 1;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background-color: var(--color-green);
  color: var(--color-white);
}

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

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

/* --- Badge --- */
.badge {
  display: inline-block;
  padding: 0.375rem 1rem;
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
}

.badge--green {
  background-color: var(--color-green);
  color: var(--color-white);
}

/* ============================================
   Header / Navigation
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--color-white);
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
  height: var(--header-height);
}

.header--scrolled {
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.header__logo {
  display: flex;
  align-items: center;
  z-index: 101;
}

.header__logo img {
  height: 62px;
  width: auto;
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 100%;
  background-image: radial-gradient(circle, var(--color-dark-gray) 1px, transparent 1px);
  background-size: 12px 12px;
  opacity: 0.15;
  pointer-events: none;
}

/* Navigation */
.nav__list {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav__link {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  position: relative;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-green);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-green);
}

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

.nav__link:focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.nav__separator {
  color: var(--color-dark-gray);
  font-size: var(--font-size-sm);
  user-select: none;
}

/* Hamburger Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 101;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-black);
  transition: transform var(--transition-base), opacity var(--transition-fast);
  transform-origin: center;
}

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

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

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  padding: calc(var(--header-height) + var(--spacing-xl)) 0 var(--spacing-xl);
  background: var(--color-black) url('../assets/images/hero.png') center center / cover no-repeat;
  color: var(--color-white);
  overflow: hidden;
  min-height: 35vh;
  display: flex;
  align-items: center;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.5) 50%, transparent 100%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 600px;
}

.hero__title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--spacing-md);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  max-width: 500px;
}

/* ============================================
   About Section
   ============================================ */
.about {
  padding: var(--spacing-3xl) 0;
}

.about__intro {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin-bottom: var(--spacing-xl);
  max-width: 800px;
  line-height: 1.7;
}

.about h2 {
  font-size: var(--font-size-3xl);
  color: var(--color-black);
  margin-bottom: var(--spacing-xl);
}

.about__content p {
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
  color: var(--color-text);
}

.about__image-wrapper {
  float: right;
  margin: 0 0 var(--spacing-md) var(--spacing-lg);
  max-width: 175px;
}

.about__image {
  width: 100%;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.about__headshot-placeholder {
  width: 100%;
  max-width: 350px;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-white);
  background: linear-gradient(135deg, #9ca3af, #6b7280);
}

.about__contact {
  margin-top: var(--spacing-lg);
  font-weight: 600;
}

.about__contact a {
  color: var(--color-green);
  text-decoration: none;
}

.about__contact a:hover {
  text-decoration: underline;
}

.about__quote {
  background-color: var(--color-light-bg);
  border-left: 4px solid var(--color-green);
  padding: var(--spacing-lg) var(--spacing-xl);
  margin: var(--spacing-xl) 0;
  font-size: var(--font-size-xl);
  line-height: 1.5;
  color: var(--color-text);
  font-style: italic;
}

.about__quote strong,
.about__quote em {
  color: var(--color-green);
  font-style: normal;
  font-weight: 700;
}

/* ============================================
   Services Section
   ============================================ */
.services {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-light-bg);
}

.services__header {
  margin-bottom: var(--spacing-xl);
}

.services__header h2 {
  font-size: var(--font-size-3xl);
  color: var(--color-black);
  margin-bottom: var(--spacing-xs);
}

.services__intro {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-top: var(--spacing-sm);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.services__card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border: 1px solid var(--color-border);
}

.services__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.services__icon {
  width: 48px;
  height: 48px;
  color: var(--color-green);
  margin-bottom: var(--spacing-md);
}

.services__card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-green);
}

.services__card-subtitle {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--spacing-sm);
}

.services__card-text {
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--spacing-sm);
}

.services__card-list {
  padding-left: var(--spacing-md);
  list-style: disc;
}

.services__card-list li {
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--spacing-xs);
}

.services__card-quote {
  font-style: italic;
  color: var(--color-dark-gray);
  margin-top: var(--spacing-sm);
  font-weight: 600;
}

/* ============================================
   ClientSignal Banner
   ============================================ */
.banner {
  padding: var(--spacing-sm) 0;
  background: var(--color-black);
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-green), transparent);
}

.banner__content {
  position: relative;
  z-index: 1;
}

.banner__logo {
  height: 173px;
  width: auto;
  margin: 0 auto var(--spacing-xs);
}

.banner__coming-soon {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-green);
}

.banner__tagline {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--spacing-xs);
  font-style: italic;
}

/* ============================================
   Service Commitment Section
   ============================================ */
.commitment {
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.commitment__content {
  max-width: 720px;
  margin: 0 auto;
}

.commitment__text {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.commitment__cta {
  margin: var(--spacing-lg) 0;
}

.commitment__quote {
  background-color: var(--color-light-bg);
  border-left: 4px solid var(--color-green);
  padding: var(--spacing-lg) var(--spacing-xl);
  margin: var(--spacing-xl) auto 0;
  max-width: 640px;
  font-size: var(--font-size-xl);
  line-height: 1.5;
  color: var(--color-text);
  font-style: italic;
  text-align: left;
}

.commitment__quote strong,
.commitment__quote em {
  color: var(--color-green);
  font-style: normal;
  font-weight: 700;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
  padding: var(--spacing-3xl) 0;
}

.contact__header {
  margin-bottom: var(--spacing-lg);
}

.contact__title {
  font-size: var(--font-size-2xl);
  color: var(--color-green);
  margin-bottom: var(--spacing-sm);
}

.contact__text {
  color: var(--color-text);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: var(--spacing-lg);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.contact__form {
  background: var(--color-light-bg);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.form-input,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-green);
  box-shadow: 0 0 0 3px var(--color-green-light);
}

.form-input::placeholder {
  color: var(--color-text-light);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-green);
  cursor: pointer;
  flex-shrink: 0;
}

.form-checkbox span {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.4;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--spacing-xl);
}

.form-success.is-visible {
  display: block;
}

.form-success__icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-green);
}

.form-success__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-green);
  margin-bottom: var(--spacing-xs);
}

.form-success__text {
  color: var(--color-text-light);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background-color: var(--color-black);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--spacing-xl) 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.footer__info p {
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.footer__info a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer__info a:hover {
  color: var(--color-green);
}

.footer__social {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer__social-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.footer__social-link:hover {
  background-color: var(--color-green);
  color: var(--color-white);
}

.footer__social-link svg {
  width: 18px;
  height: 18px;
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--font-size-sm);
}

/* ============================================
   Scroll Animations
   ============================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-animate="fade-up"].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fade-in"].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="slide-left"] {
  transform: translateX(-30px);
}

[data-animate="slide-left"].is-visible {
  opacity: 1;
  transform: translateX(0);
}

[data-animate="slide-right"] {
  transform: translateX(30px);
}

[data-animate="slide-right"].is-visible {
  opacity: 1;
  transform: translateX(0);
}

[data-animate-delay="1"] { transition-delay: 100ms; }
[data-animate-delay="2"] { transition-delay: 200ms; }
[data-animate-delay="3"] { transition-delay: 300ms; }
[data-animate-delay="4"] { transition-delay: 400ms; }

@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;
  }

  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ============================================
   Responsive — Tablet (768px)
   ============================================ */
@media (min-width: 768px) {
  :root {
    --font-size-3xl: 3rem;
    --font-size-4xl: 3.75rem;
  }

  .section {
    padding: var(--spacing-3xl) 0;
  }

  .about__image-wrapper {
    max-width: 175px;
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
  }

  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: start;
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ============================================
   Responsive — Desktop (1024px)
   ============================================ */
@media (min-width: 1024px) {
  :root {
    --font-size-3xl: 3.25rem;
  }

  .hero {
    min-height: 80vh;
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
  }

  .hero__title {
    font-size: var(--font-size-4xl);
  }

  .about__image-wrapper {
    max-width: 175px;
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .banner__logo {
    height: 173px;
  }

  .banner__date {
    font-size: var(--font-size-3xl);
  }

  .nav__toggle {
    display: none;
  }
}

/* ============================================
   Responsive — Mobile (max 767px)
   ============================================ */
@media (max-width: 767px) {
  .nav__toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-base);
    padding: calc(var(--header-height) + var(--spacing-lg)) var(--spacing-lg) var(--spacing-lg);
    z-index: 100;
  }

  .nav.is-open {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    gap: 0;
  }

  .nav__link {
    display: block;
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-lg);
    border-bottom: 1px solid var(--color-border);
  }

  .nav__separator {
    display: none;
  }

  .nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 99;
  }

  .nav-overlay.is-visible {
    display: block;
  }

  .hero__title {
    font-size: var(--font-size-2xl);
  }

  .about__quote {
    font-size: var(--font-size-lg);
    padding: var(--spacing-md);
  }
}