/* site.css — T. Pora CPA, PC — Component & Layout Styles */

/* ============================================
   SCROLL REVEAL (opacity only — no CLS)
   ============================================ */
.fade-in { opacity: 1; }

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}
@keyframes reveal-fade { to { opacity: 1; } }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: color-mix(in oklch, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.06);
}

.nav__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav__logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.nav__logo-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.nav__logo-tagline {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gold);
  font-weight: 500;
  line-height: 1.3;
}

.nav__links {
  display: flex;
  gap: var(--space-6);
  margin-left: auto;
}

.nav__link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 450;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
  padding: var(--space-1) 0;
}

.nav__link:hover {
  color: var(--color-text);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav__theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive),
              background var(--transition-interactive);
}
.nav__theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-dynamic);
}

.nav__portal-btn {
  white-space: nowrap;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  border-radius: var(--radius-md);
  transition: background var(--transition-interactive);
}
.nav__hamburger:hover { background: var(--color-surface-dynamic); }
.nav__hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition-interactive), opacity var(--transition-interactive);
}
.nav__hamburger[aria-expanded="true"] .nav__hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger[aria-expanded="true"] .nav__hamburger-line:nth-child(2) {
  opacity: 0;
}
.nav__hamburger[aria-expanded="true"] .nav__hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.nav__mobile {
  display: none;
  padding: var(--space-4);
  border-top: 1px solid var(--color-divider);
  background: var(--color-bg);
}
.nav__mobile.is-open {
  display: block;
}
.nav__mobile-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.nav__mobile-link {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 450;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  transition: background var(--transition-interactive);
}
.nav__mobile-link:hover,
.nav__mobile-link:active { background: var(--color-surface-dynamic); }
.nav__mobile-portal {
  margin-top: var(--space-3);
  text-align: center;
  width: 100%;
  justify-content: center;
}

/* Mobile breakpoint */
@media (max-width: 767px) {
  .nav__links { display: none; }
  .nav__portal-btn { display: none !important; }
  .nav__hamburger { display: flex; }
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }
  .hero__actions .btn-lg {
    width: 100%;
    max-width: 280px;
  }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 500;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
  line-height: 1.4;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}
.btn-lg {
  padding: var(--space-3) var(--space-8);
  font-size: var(--text-sm);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover { background: var(--color-primary-hover); box-shadow: var(--shadow-md); }
.btn-primary:active { background: var(--color-primary-active); box-shadow: var(--shadow-sm); }

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid oklch(from var(--color-primary) l c h / 0.4);
}
.btn-secondary:hover { background: var(--color-primary-highlight); }
.btn-secondary:active { background: var(--color-primary-highlight); }

/* ============================================
   HERO
   ============================================ */
.hero {
  padding: clamp(var(--space-24), 12vw, var(--space-32)) var(--space-4) clamp(var(--space-16), 8vw, var(--space-24));
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__inner {
  max-width: var(--content-default);
  margin: 0 auto;
  text-align: center;
}

.hero__heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  max-width: 18ch;
  margin-left: auto;
  margin-right: auto;
}

.hero__subheading {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin: 0 auto var(--space-8);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: clamp(var(--space-16), 8vw, var(--space-24)) var(--space-4);
}

.section--offset {
  background: var(--color-surface-offset);
}

.section__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

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

.section__label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gold);
  margin-bottom: var(--space-3);
}

.section__heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.section__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-10);
  max-width: 50ch;
}

.section__body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 65ch;
}

/* ============================================
   SERVICES GRID
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: var(--space-6);
}

.service-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-interactive),
              border-color var(--transition-interactive);
}

.service-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.service-card__title {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.service-card__desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ============================================
   WHY US GRID
   ============================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-6);
}

.why-card {
  padding: var(--space-6);
  border-left: 3px solid var(--color-gold);
  background: var(--color-surface);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.why-card__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.why-card__desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
}

@media (max-width: 767px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact-item__icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}

.contact-item__label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.contact-item__value {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.6;
}
.contact-item__value a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.contact-item__value a:hover { color: var(--color-primary-hover); }

/* Contact form */
.contact-form {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.contact-form__fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-group label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  font-size: var(--text-base);
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-faint);
}

.contact-form__submit {
  width: 100%;
}

.contact-form__success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-10) var(--space-4);
  text-align: center;
}
.contact-form__success p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-text);
  color: var(--color-text-inverse);
  padding: var(--space-10) var(--space-4) var(--space-6);
}

.footer__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer__brand {
  display: flex;
  flex-direction: column;
}

.footer__logo-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-inverse);
}

.footer__logo-tagline {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gold);
  font-weight: 500;
}

.footer__links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer__links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: oklch(from var(--color-text-inverse) l c h / 0.7);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer__links a:hover { color: var(--color-text-inverse); }

.footer__divider {
  height: 1px;
  background: oklch(from var(--color-text-inverse) l c h / 0.12);
  margin: var(--space-6) 0;
}

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

.footer__copy {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: oklch(from var(--color-text-inverse) l c h / 0.5);
}

.footer__contact {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: oklch(from var(--color-text-inverse) l c h / 0.5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.footer__contact a {
  color: oklch(from var(--color-text-inverse) l c h / 0.7);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer__contact a:hover { color: var(--color-text-inverse); }

.footer__dot {
  display: inline-block;
}

@media (max-width: 767px) {
  .footer__top { flex-direction: column; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .footer__contact { flex-direction: column; align-items: flex-start; gap: var(--space-1); }
  .footer__dot { display: none; }
}