/* ==========================================================================
   Sheepdocs - AI-Driven Document Intelligence for Salesforce
   Main Stylesheet
   ========================================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand Colors */
  --color-bg-dark: #2d2d2d;
  --color-bg-section: #3a3a3a;
  --color-bg-card: #4a4a4a;
  --color-bg-card-hover: #525252;
  --color-accent: rgb(255, 102, 51);
  --color-peach: rgb(229, 162, 117);
  --color-accent-light: #e8742f;
  --color-accent-bg: rgba(212, 97, 26, 0.12);
  --color-text-primary: #f0f0f0;
  --color-text-secondary: rgb(212, 212, 209);
  --color-text-muted: #999;
  --color-bg-light: #F3F3F2;
  --color-bg-light-card: #e6e6e5;
  --color-bg-light-card-hover: #dcdcdb;
  --color-text-light-primary: #666;
  --color-text-light-secondary: #333;
  --color-text-light-muted: #777;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-light: rgba(0, 0, 0, 0.08);
  --color-white: #ffffff;

  /* Typography */
  --font-heading: 'IBM Plex Sans', 'Segoe UI', sans-serif;
  --font-body: 'Roboto', 'Segoe UI', sans-serif;

  /* Spacing */
  --section-padding: 80px 0;
  --container-width: 1100px;
  --card-radius: 12px;
  --card-padding: 32px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 18px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-dark);
  color: var(--color-text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ---------- Utility ---------- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-padding);
}

.section--card {
  background: var(--color-bg-section);
  border-radius: var(--card-radius);
  margin: 24px auto;
  max-width: var(--container-width);
  padding: 56px 48px;
}

/* Light alternating sections */
.section--light {
  background: var(--color-bg-light);
  color: var(--color-text-light-primary);
}

.section--light .section-title {
  color: var(--color-text-light-primary);
}

.section--light .challenge__card,
.section--light .capability-card,
.section--light .model-item,
.section--light .industry-card,
.section--light .precision-item,
.section--light .stat-card,
.section--light .team-card {
  background: var(--color-bg-light-card);
}

.section--light .capability-card:hover,
.section--light .model-item:hover {
  background: var(--color-bg-light-card-hover);
}

.section--light .industry-card--orange {
  background: rgba(212, 97, 26, 0.1);
}

.section--light .challenge__card h3,
.section--light .capability-card h3,
.section--light .admin-feature h4,
.section--light .industry-card h4,
.section--light .precision-item h4,
.section--light .stat-card__label,
.section--light .team-card h3 {
  color: var(--color-text-light-primary);
}

.section--light .challenge__card p,
.section--light .capability-card p,
.section--light .arch-item p,
.section--light .model-item p,
.section--light .admin-feature p,
.section--light .industry-card p,
.section--light .precision-item p,
.section--light .stat-card__desc,
.section--light .stats-footnote,
.section--light .team-card p,
.section--light .team-card__role {
  color: var(--color-text-light-secondary);
}

.section--light .team-card__role {
  color: var(--color-accent);
}

.section--light .hero__badge {
  background: rgba(212, 97, 26, 0.12);
}

.section--precision {
  padding: 0;
  overflow: hidden;
}

.section--precision .precision-section {
  gap: 0;
}

.section--precision .precision-list {
  padding: 56px 48px;
}

.section--precision .precision-section__image {
  border-radius: 0;
}
.section--light .arch-item h4 {
  color: var(--color-text-light-primary);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 40px;
  line-height: 1.25;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  max-width: 680px;
}

/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 200;
  padding: 8px 16px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 0 0 6px 6px;
  font-weight: 600;
  font-size: 0.85rem;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
  color: var(--color-white);
}

/* ---------- Navigation / Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(45, 45, 45, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.site-header__left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-header__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
}

.site-header__logo span {
  color: var(--color-accent);
}

.site-header__tagline {
  font-size: 1rem;
  color: var(--color-text-secondary);
  font-weight: 400;
  margin-top:6px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  font-family: var(--font-body);
}

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

.btn--primary:hover {
  background: var(--color-accent-light);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

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

/* ---------- Hero ---------- */
.hero {
  padding: 0;
  background: var(--color-bg-light);
  color: var(--color-text-light-primary);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding-top: 64px;
  padding-bottom: 64px;
}

.hero__text {
  text-align: left;
}

.hero__logo {
  max-width: 600px;
  margin-bottom: 32px;
}

.hero__tagline {
  font-size: 27px;
  color: var(--color-text-light-primary);
  margin-bottom: 16px;
  font-weight: 600;
  line-height: 33.75px;
}

.hero__headline {
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--color-text-light-primary);
  margin-bottom: 24px;
  line-height: 1.7;
}

.hero__badge {
  display: inline-block;
  color: var(--color-accent);
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.hero__image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__image img {
  width: 100%;
  max-width: 460px;
  border-radius: var(--card-radius);
}

/* ---------- Challenge / Problem-Solution ---------- */
.challenge {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.challenge__card {
  background: var(--color-bg-card);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
}

.challenge__card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text-primary);
}

.challenge__card p {
  color: var(--color-text-secondary);
  line-height: 1.75;
  font-size: 1rem;
}

/* ---------- Capabilities Grid ---------- */
.capabilities-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.capability-card {
  background: var(--color-bg-card);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  transition: background var(--transition-medium);
}

.capability-card:hover {
  background: var(--color-bg-card-hover);
}

.capability-card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.capability-card__icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--color-white);
}

.capability-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.capability-card p {
  color: var(--color-text-secondary);
  font-size: 18px;
  line-height: 1.65;
}

/* ---------- Architecture ---------- */
.architecture {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.architecture__image {
  border-radius: var(--card-radius);
  overflow: hidden;
}

.architecture__image img {
  width: 100%;
  object-fit: cover;
}

.architecture__details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.arch-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.arch-item__dot {
  width: 10px;
  height: 10px;
  background: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 6px;
}

.arch-item__header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.arch-item h4 {
  font-size: 1.3rem;
  font-weight: 700;
}

.arch-item p {
  color: var(--color-text-secondary);
  font-size: 18px;
  line-height: 1.6;
  padding-left: 20px;
}

/* ---------- AI Models ---------- */
.models-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.models-section__image {
  border-radius: var(--card-radius);
  overflow: hidden;
}

.models-section__image img {
  width: 100%;
}

.models-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.model-item {
  background: var(--color-bg-card);
  border-radius: var(--card-radius);
  padding: 20px 24px;
  transition: background var(--transition-medium);
  border-left: 3px solid var(--color-accent);
}

.model-item:hover {
  background: var(--color-bg-card-hover);
}

.model-item h4 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--color-accent);
}

.model-item p {
  color: var(--color-text-secondary);
  font-size: 18px;
  line-height: 1.55;
}

/* ---------- Admin Experience ---------- */
.admin-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.admin-section__text {
  display: flex;
  flex-direction: column;
}

.admin-section__text .section-title {
  margin-bottom: 32px;
}

.admin-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.admin-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.admin-feature__icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--color-accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  margin-top: 2px;
}

.admin-feature__icon svg {
  width: 20px;
  height: 20px;
}

.admin-feature h4 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}

.admin-feature p {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  line-height: 1.55;
}

.admin-section__image {
  border-radius: var(--card-radius);
  overflow: hidden;
}

.admin-section__image img {
  width: 100%;
  object-fit: cover;
  border-radius: var(--card-radius);
}

/* ---------- Industries ---------- */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.industry-card {
  background: var(--color-bg-card);
  border-radius: var(--card-radius);
  padding: 28px;
  transition: all var(--transition-medium);
  border-left: 3px solid transparent;
}

.industry-card--orange {
  background: rgba(212, 97, 26, 0.08);
  border-left-color: var(--color-accent);
}

.industry-card:hover {
  transform: translateY(-2px);
}

.industry-card h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.industry-card p {
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

/* ---------- Enterprise Precision ---------- */
.precision-section {
  display: grid;
  grid-template-columns: minmax(260px, 2fr) 3fr;
  gap: 40px;
  align-items: stretch;
}

.precision-section__image {
  border-radius: var(--card-radius);
  min-height: 720px;
  background-image: url("../images/Sheepdogs-Photo2.png");
  background-size: 190% auto;
  background-position: 46% 66%;
  background-repeat: no-repeat;
}

.precision-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.precision-list .section-title {
  margin-bottom: 8px;
}

.precision-item {
  background: var(--color-peach);
  border-radius: var(--card-radius);
  padding: 24px 28px;
  border-left: 3px solid var(--color-peach);
  color: var(--color-text-light-secondary);
}

.precision-item h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.precision-item p {
  color: var(--color-text-light-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ---------- Business Value / Stats ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--color-bg-card);
  border-radius: var(--card-radius);
  padding: 28px 20px;
  text-align: center;
  border-top: 3px solid var(--color-accent);
}

.stat-card__number {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.1;
  margin-bottom: 4px;
}

.stat-card__label {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text-primary);
}

.stat-card__desc {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.stats-footnote {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  font-style: italic;
  text-align: center;
}

/* ---------- Team ---------- */
.team-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.team-card {
  background: var(--color-bg-card);
  border-radius: var(--card-radius);
  padding: 36px;
}

.team-card__company {
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.team-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.team-card__role {
  font-weight: 700;
  color: var(--color-accent);
  font-size: 1rem;
  font-style: italic;
  margin-bottom: 16px;
}

.team-card p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ---------- CTA / Footer ---------- */
.cta-section {
  background: var(--color-bg-light);
  border-radius: var(--card-radius);
  margin: 24px auto;
  max-width: var(--container-width);
  overflow: hidden;
  color: var(--color-text-light-primary);
}

.cta-section__content {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 0;
  align-items: stretch;
}

.cta-section__text {
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.cta-section__image {
  overflow: hidden;
}

.cta-section__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-section h2 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  line-height: 2.4rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-accent);
}

.cta-section h3 {
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text-light-primary);
}

.cta-section p {
  color: var(--color-text-light-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  font-size: 1rem;
}

.cta-section .hero__badge {
  margin-top: 8px;
}

.site-footer {
  text-align: center;
  padding: 32px 0;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.site-footer a {
  color: var(--color-text-muted);
}

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

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .section--card {
    padding: 40px 28px;
    margin: 16px;
    border-radius: 10px;
  }

  .section--precision {
    padding: 0;
  }

  .section--precision .precision-list {
    padding: 40px 28px;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .hero__text {
    text-align: center;
  }

  .hero__logo {
    margin: 0 auto 24px;
  }

  .hero__image {
    order: -1;
  }

  .hero__image img {
    max-width: 320px;
    margin: 0 auto;
  }

  .challenge,
  .capabilities-grid,
  .architecture,
  .models-section,
  .admin-section,
  .precision-section,
  .team-grid,
  .cta-section__content {
    grid-template-columns: 1fr;
  }

  .architecture__details {
    grid-template-columns: 1fr 1fr;
  }

  .industries-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .admin-section__image {
    order: -1;
  }

  .precision-section__image {
    min-height: 440px;
    background-size: 125% auto;
    background-position: 50% 62%;
  }

  .cta-section__text {
    padding: 40px 28px;
  }

  .cta-section__image {
    max-height: 300px;
  }
}

@media (max-width: 600px) {
  :root {
    --section-padding: 48px 0;
    --card-padding: 24px;
  }

  .section--card {
    padding: 32px 20px;
    margin: 12px;
  }

  .section--precision {
    padding: 0;
  }

  .section--precision .precision-list {
    padding: 32px 20px;
  }

  .hero__logo {
    max-width: 240px;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .architecture__details,
  .industries-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-card__number {
    font-size: 2rem;
  }

  .cta-section__text {
    padding: 32px 20px;
  }

  .cta-section h2 {
    font-size: 1.75rem;
  }

  .site-header__tagline {
    display: none;
  }
}