/* TA Soft — mainsite styles (theme aligned with jt.tasoft.pro) */

:root {
  --bg: #fcfcf8;
  --bg-cream: #fff9d6;
  --bg-cream-gradient: linear-gradient(180deg, #fff9d6 0%, #ffffff 100%);
  --bg-card: #ffffff;
  --text: #374151;
  --text-muted: #6b7280;
  --accent: #409eff;
  --accent-soft: #ecf5ff;
  --accent-border: #d9ecff;
  --logo-orange: #fd7014;
  --border: #e5e7eb;
  --radius: 8px;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --space: 1.25rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --max-width: 52rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 250, 249, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: block;
  text-decoration: none;
}

.logo-img {
  display: block;
  height: 28px;
  width: auto;
}

.nav {
  display: flex;
  gap: var(--space-lg);
}

/* Desktop: nav fixed in top bar so it stays visible when scrolling */
@media (min-width: 769px) {
  .nav {
    position: fixed;
    top: var(--space);
    right: max(
      var(--space-lg),
      calc((100vw - var(--max-width)) / 2 + var(--space-lg))
    );
    z-index: 11;
  }

  .nav-backdrop {
    display: none;
  }
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--accent);
}

/* Mobile nav toggle (hidden on desktop) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background 0.2s ease;
}
.nav-toggle:hover {
  background: var(--accent-soft);
}
.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition:
    transform 0.25s ease,
    opacity 0.25s ease;
}
body.nav-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
body.nav-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
body.nav-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Animations */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fade-in-up 0.6s ease-out backwards;
  animation-delay: calc(0.1s * var(--ani-i, 0));
}

/* Scroll-triggered: reveal when in view */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.6s ease-out,
    transform 0.6s ease-out;
}

.animate-on-scroll.in-view {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll .value-card,
.animate-on-scroll .value-line,
.animate-on-scroll .services-list li,
.animate-on-scroll .reveal-item {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.45s ease-out,
    transform 0.45s ease-out;
  transition-delay: calc(0.08s * var(--ani-i, 0));
}

.animate-on-scroll.in-view .value-card,
.animate-on-scroll.in-view .value-line,
.animate-on-scroll.in-view .services-list li,
.animate-on-scroll.in-view .reveal-item {
  opacity: 1;
  transform: translateY(0);
}

.services-list li {
  --ani-i: 0;
}
.services-list li:nth-child(1) {
  --ani-i: 0;
}
.services-list li:nth-child(2) {
  --ani-i: 1;
}
.services-list li:nth-child(3) {
  --ani-i: 2;
}
.services-list li:nth-child(4) {
  --ani-i: 3;
}
.services-list li:nth-child(5) {
  --ani-i: 4;
}

@media (prefers-reduced-motion: reduce) {
  .animate-in {
    animation: none;
  }
  .animate-on-scroll,
  .animate-on-scroll .value-card,
  .animate-on-scroll .value-line,
  .animate-on-scroll .services-list li,
  .animate-on-scroll .reveal-item {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Hero */
.hero {
  padding: var(--space-xl) var(--space-lg) var(--space-xl);
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: left;
}

.hero-tag {
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin: 0 0 var(--space);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 var(--space);
  color: var(--text);
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 36rem;
  margin: 0 0 var(--space-lg);
}

.hero-sub em {
  font-style: italic;
  color: var(--text);
}

/* CTAs */
.cta {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  transition:
    background 0.2s ease,
    color 0.2s ease;
}

.cta-primary {
  background: var(--accent);
  color: #fff;
}

.cta-primary:hover {
  background: #3a8ee6;
}

.cta-secondary {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}

.cta-secondary:hover {
  background: #d9ecff;
}

/* Sections */
section {
  padding: var(--space-xl) var(--space-lg);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 400;
  margin: 0 0 var(--space-lg);
  color: var(--text);
}

/* Value */
.value {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}

.value-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.value-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.value-card {
  padding: var(--space-lg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: left;
}

.value-card > * {
  margin-left: 0;
  margin-right: 0;
  padding-left: 0;
  padding-right: 0;
}

/* Card titles: same styling for both (sans-serif, shared height for alignment) */
.value-num,
.value-icon {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent);
  min-height: 2.5rem;
  margin-top: 0;
  margin-bottom: 0.25rem;
}

.value-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  padding: 0;
  color: var(--text);
}

.value-card p {
  margin: 0;
  padding: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.value-line {
  font-size: 1.0625rem;
  color: var(--text-muted);
  margin: 0;
}

.value-line strong {
  color: var(--text);
}

.value-line-extra {
  margin-top: 0.75rem;
}

/* Track record — list style, no cards */
.track-record {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}

.track-record-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.track-record-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.track-record-entry {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.track-record-entry:first-child {
  padding-top: 0;
}

.track-record-entry:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.track-record-term {
  margin: 0 0 0.25rem;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text);
}

.track-record-term a {
  color: var(--accent);
  text-decoration: none;
}

.track-record-term a:hover {
  text-decoration: underline;
}

.track-record-meta {
  display: block;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-muted);
}

.track-record-desc {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.track-record-desc strong {
  color: var(--text);
}

/* Services */
.services-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.services-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 0.75rem;
}

.services-list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.services-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* Contact */
.contact {
  background: var(--accent-soft);
  border-top: 1px solid var(--accent-border);
}

.contact-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.contact-inner p {
  margin: 0 0 var(--space);
  color: var(--text-muted);
  max-width: 32rem;
}

/* Footer */
.site-footer {
  padding: var(--space-lg) var(--space-lg);
  border-top: 1px solid var(--border);
  background: var(--bg-card);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-inner p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.footer-logo {
  display: inline-block;
  height: 18px;
  width: auto;
  vertical-align: middle;
}

/* Responsive — mobile */
@media (max-width: 768px) {
  .header-inner {
    padding: var(--space) var(--space);
    min-height: 56px;
  }

  .logo-img {
    height: 24px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 92vw);
    max-width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 5.5rem 1.75rem 2rem;
    background: var(--bg-card);
    border-left: 1px solid var(--border);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.12);
    transform: translateX(100%);
    transition:
      transform 0.3s ease,
      visibility 0.3s ease;
    visibility: hidden;
    overflow-y: auto;
    z-index: 11;
  }

  body.nav-open .nav {
    transform: translateX(0);
    visibility: visible;
  }

  .nav a {
    display: block;
    padding: 1rem 0;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    transition:
      color 0.2s ease,
      background 0.2s ease;
  }

  .nav a:hover,
  .nav a:focus {
    color: var(--accent);
    background: var(--accent-soft);
  }

  .nav a:last-child {
    border-bottom: none;
  }

  .nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition:
      opacity 0.3s ease,
      visibility 0.3s ease;
    z-index: 9;
  }

  body.nav-open .nav-backdrop {
    opacity: 1;
    visibility: visible;
  }
}

@media (max-width: 640px) {
  .value-grid {
    grid-template-columns: 1fr;
  }

  section {
    padding: var(--space-xl) var(--space);
  }

  .hero {
    padding: var(--space-lg) var(--space) var(--space-lg);
  }
}