/*
=========================================================
AI TOOLS AND PLATFORMS
Shared Stylesheet

Location:
/ai-knowledge-center/ai-tools-and-platforms/script.css

This stylesheet imports the main AI Knowledge Center
stylesheet and adds styles shared by all platform pages.
=========================================================
*/

@import url("../script.css");


/*
=========================================================
SHARED HERO IMAGE
=========================================================
*/

.hero-chatgpt-guide,
.hero-claude-ai-guide,
.hero-google-gemini-guide,
.hero-grok-ai-guide,
.hero-perplexity-ai-guide,
.hero-notebooklm-guide,
.hero-replit-ai-guide,
.hero-ai-tool-comparison,
.hero-multi-ai-workflow,
.hero-how-to-verify-ai-information,
.hero-ai-hallucinations,
.hero-ai-for-education {
  background-image:
    linear-gradient(
      90deg,
      rgba(3, 20, 42, 0.94) 0%,
      rgba(3, 20, 42, 0.82) 45%,
      rgba(3, 20, 42, 0.44) 100%
    ),
    url("images/hero-ai-tools-and-platforms.jpg");

  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}


/*
=========================================================
PLATFORM BADGE
=========================================================
*/

.platform-badge {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 8px 15px;
  align-items: center;
  gap: 9px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.platform-badge span {
  display: grid;
  width: 29px;
  height: 29px;
  flex-shrink: 0;
  place-items: center;
  color: var(--navy);
  background: var(--gold);
  border-radius: 50%;
  font-size: 0.72rem;
  font-weight: 900;
}


/*
=========================================================
CAPABILITY CARDS
=========================================================
*/

.capability-grid {
  display: grid;
  grid-template-columns:
    repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.capability-card {
  position: relative;
  padding: 27px;
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  overflow: hidden;
  transition: var(--transition);
}

.capability-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-medium);
}

.capability-card::before {
  position: absolute;
  width: 100%;
  height: 5px;
  top: 0;
  left: 0;
  content: "";
  background: var(--gradient-ai);
}

.capability-card h3 {
  margin-bottom: 11px;
}

.capability-card p:last-child {
  margin-bottom: 0;
}

.capability-icon {
  display: grid;
  width: 58px;
  height: 58px;
  margin-bottom: 18px;
  place-items: center;
  color: var(--white);
  background: var(--gradient-ai);
  border-radius: 15px;
  font-size: 0.92rem;
  font-weight: 900;
  letter-spacing: 0.02em;
}


/*
=========================================================
GETTING STARTED STEPS
=========================================================
*/

.start-steps {
  display: grid;
  grid-template-columns:
    repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.start-step {
  padding: 25px 18px;
  color: var(--white);
  background: var(--navy-medium);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  text-align: center;
  transition: var(--transition);
}

.start-step:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.24);
}

.start-step span {
  display: grid;
  width: 46px;
  height: 46px;
  margin: 0 auto 14px;
  place-items: center;
  color: var(--navy);
  background: var(--gold);
  border-radius: 50%;
  font-weight: 900;
}

.start-step h3 {
  color: var(--white);
  font-size: 1rem;
}

.start-step p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.79);
  font-size: 0.89rem;
}


/*
=========================================================
PROMPT CARDS
=========================================================
*/

.prompt-grid {
  display: grid;
  grid-template-columns:
    repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.prompt-card {
  padding: 27px;
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}

.prompt-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.prompt-card h3 {
  margin-bottom: 10px;
}

.prompt-label {
  display: inline-block;
  margin-bottom: 12px;
  padding: 6px 11px;
  color: var(--blue);
  background: var(--light-blue);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.prompt-box {
  margin-top: 16px;
  padding: 19px;
  color: var(--navy);
  background: var(--off-white);
  border-left: 4px solid var(--gold);
  border-radius: var(--border-radius-small);
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  line-height: 1.75;
}


/*
=========================================================
FEATURE COMPARISON
=========================================================
*/

.feature-comparison {
  display: grid;
  grid-template-columns:
    repeat(2, minmax(0, 1fr));
  gap: 26px;
}

.comparison-card {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
}

.comparison-card h2 {
  margin-bottom: 20px;
}

.comparison-card.good {
  border-top: 6px solid var(--success);
}

.comparison-card.caution {
  border-top: 6px solid var(--warning);
}


/*
=========================================================
WORKFLOW CARDS
=========================================================
*/

.workflow-grid {
  display: grid;
  grid-template-columns:
    repeat(6, minmax(0, 1fr));
  gap: 16px;
}

.workflow-card {
  padding: 24px 16px;
  color: var(--white);
  background: var(--navy-medium);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  text-align: center;
  transition: var(--transition);
}

.workflow-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.24);
}

.workflow-card span {
  display: grid;
  width: 44px;
  height: 44px;
  margin: 0 auto 13px;
  place-items: center;
  color: var(--navy);
  background: var(--gold);
  border-radius: 50%;
  font-weight: 900;
}

.workflow-card h3 {
  color: var(--white);
  font-size: 0.98rem;
}

.workflow-card p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.86rem;
}


/*
=========================================================
PROJECT CARDS
=========================================================
*/

.project-grid {
  display: grid;
  grid-template-columns:
    repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.project-card {
  padding: 27px;
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.project-card h3 {
  font-size: 1.2rem;
}

.project-card p:last-child {
  margin-bottom: 0;
}


/*
=========================================================
COMMON MISTAKES
=========================================================
*/

.mistake-grid {
  display: grid;
  grid-template-columns:
    repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.mistake-card {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}

.mistake-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.mistake-card h3 {
  font-size: 1.16rem;
}

.mistake-card p:last-child {
  margin-bottom: 0;
}


/*
=========================================================
INFORMATION NOTES
=========================================================
*/

.plan-note {
  margin-top: 27px;
  padding: 20px;
  color: var(--navy);
  background: var(--light-blue);
  border-left: 5px solid var(--blue);
  border-radius: var(--border-radius-small);
}

.plan-note strong {
  color: var(--navy);
}


/*
=========================================================
OFFICIAL SOURCE LINKS
=========================================================
*/

.source-list {
  display: grid;
  grid-template-columns:
    repeat(2, minmax(0, 1fr));
  gap: 15px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.source-list li {
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius-small);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}

.source-list li:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.source-list a {
  display: block;
  font-weight: 800;
  text-decoration: none;
}

.source-list a:hover {
  text-decoration: underline;
}


/*
=========================================================
PLATFORM COMPARISON TABLE
Used by ai-tool-comparison.html
=========================================================
*/

.tool-table-wrapper {
  width: 100%;
  overflow-x: auto;
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
}

.tool-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
}

.tool-table th,
.tool-table td {
  padding: 17px;
  border-bottom: 1px solid var(--light-gray);
  text-align: left;
  vertical-align: top;
}

.tool-table th {
  color: var(--white);
  background: var(--navy-medium);
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

.tool-table tbody tr:nth-child(even) {
  background: var(--off-white);
}

.tool-table tbody tr:hover {
  background: var(--light-blue);
}

.tool-table td:first-child {
  color: var(--navy);
  font-weight: 900;
}


/*
=========================================================
TOOL PROFILE CARDS
Used by comparison and workflow pages
=========================================================
*/

.tool-profile-grid {
  display: grid;
  grid-template-columns:
    repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.tool-profile-card {
  position: relative;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  overflow: hidden;
  transition: var(--transition);
}

.tool-profile-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-medium);
}

.tool-profile-card::before {
  position: absolute;
  width: 100%;
  height: 5px;
  top: 0;
  left: 0;
  content: "";
  background: var(--gradient-ai);
}

.tool-profile-card h3 {
  margin-bottom: 12px;
}

.tool-profile-card p:last-child {
  margin-bottom: 0;
}

.tool-tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 6px 11px;
  color: var(--blue);
  background: var(--light-blue);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}


/*
=========================================================
MULTI-AI WORKFLOW TIMELINE
Used by multi-ai-workflow.html
=========================================================
*/

.multi-ai-process {
  display: grid;
  gap: 20px;
  counter-reset: workflow-step;
}

.multi-ai-step {
  position: relative;
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 22px;
  padding: 25px;
  align-items: start;
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  counter-increment: workflow-step;
}

.multi-ai-step::before {
  display: grid;
  width: 56px;
  height: 56px;
  place-items: center;
  color: var(--navy);
  background: var(--gold);
  border-radius: 50%;
  content: counter(workflow-step);
  font-weight: 900;
}

.multi-ai-step h3 {
  margin-bottom: 8px;
}

.multi-ai-step p:last-child {
  margin-bottom: 0;
}


/*
=========================================================
VERIFICATION CHECKLIST
Used by how-to-verify-ai-information.html
=========================================================
*/

.verification-grid {
  display: grid;
  grid-template-columns:
    repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.verification-card {
  padding: 27px;
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
}

.verification-card h3 {
  margin-bottom: 12px;
}

.verification-number {
  display: grid;
  width: 46px;
  height: 46px;
  margin-bottom: 16px;
  place-items: center;
  color: var(--navy);
  background: var(--gold);
  border-radius: 50%;
  font-weight: 900;
}


/*
=========================================================
TRUST LEVELS
Used by verification and hallucination pages
=========================================================
*/

.trust-grid {
  display: grid;
  grid-template-columns:
    repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.trust-card {
  padding: 27px;
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
}

.trust-card.high {
  border-top: 6px solid var(--success);
}

.trust-card.medium {
  border-top: 6px solid var(--warning);
}

.trust-card.low {
  border-top: 6px solid #c0392b;
}


/*
=========================================================
HALLUCINATION EXAMPLES
Used by ai-hallucinations.html
=========================================================
*/

.hallucination-grid {
  display: grid;
  grid-template-columns:
    repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.hallucination-card {
  padding: 27px;
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-top: 5px solid var(--warning);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
}

.hallucination-card h3 {
  margin-bottom: 12px;
}


/*
=========================================================
EDUCATION CARDS
Used by ai-for-education.html
=========================================================
*/

.education-grid {
  display: grid;
  grid-template-columns:
    repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.education-card {
  padding: 27px;
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}

.education-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.education-icon {
  display: grid;
  width: 56px;
  height: 56px;
  margin-bottom: 17px;
  place-items: center;
  color: var(--white);
  background: var(--gradient-ai);
  border-radius: 15px;
  font-weight: 900;
}


/*
=========================================================
DO AND DO NOT CARDS
=========================================================
*/

.do-dont-grid {
  display: grid;
  grid-template-columns:
    repeat(2, minmax(0, 1fr));
  gap: 26px;
}

.do-card,
.dont-card {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
}

.do-card {
  border-top: 6px solid var(--success);
}

.dont-card {
  border-top: 6px solid #c0392b;
}


/*
=========================================================
PAGE NAVIGATION ENHANCEMENT
=========================================================
*/

.page-navigation {
  gap: 20px;
}

.page-navigation a {
  transition: var(--transition);
}

.page-navigation a:hover {
  transform: translateY(-2px);
}


/*
=========================================================
ACCESSIBILITY
=========================================================
*/

.capability-card:focus-within,
.prompt-card:focus-within,
.project-card:focus-within,
.mistake-card:focus-within,
.tool-profile-card:focus-within,
.education-card:focus-within,
.source-list li:focus-within {
  outline: 3px solid rgba(244, 180, 0, 0.45);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .capability-card,
  .start-step,
  .prompt-card,
  .workflow-card,
  .project-card,
  .mistake-card,
  .source-list li,
  .tool-profile-card,
  .education-card,
  .page-navigation a {
    transition: none;
  }

  .capability-card:hover,
  .start-step:hover,
  .prompt-card:hover,
  .workflow-card:hover,
  .project-card:hover,
  .mistake-card:hover,
  .source-list li:hover,
  .tool-profile-card:hover,
  .education-card:hover,
  .page-navigation a:hover {
    transform: none;
  }
}


/*
=========================================================
TABLET RESPONSIVE STYLES
=========================================================
*/

@media (max-width: 1050px) {

  .capability-grid {
    grid-template-columns:
      repeat(2, minmax(0, 1fr));
  }

  .start-steps {
    grid-template-columns:
      repeat(3, minmax(0, 1fr));
  }

  .workflow-grid {
    grid-template-columns:
      repeat(3, minmax(0, 1fr));
  }

  .project-grid,
  .mistake-grid,
  .tool-profile-grid,
  .trust-grid,
  .hallucination-grid,
  .education-grid {
    grid-template-columns:
      repeat(2, minmax(0, 1fr));
  }
}


/*
=========================================================
MOBILE RESPONSIVE STYLES
=========================================================
*/

@media (max-width: 720px) {

  .hero-chatgpt-guide,
  .hero-claude-ai-guide,
  .hero-google-gemini-guide,
  .hero-grok-ai-guide,
  .hero-perplexity-ai-guide,
  .hero-notebooklm-guide,
  .hero-replit-ai-guide,
  .hero-ai-tool-comparison,
  .hero-multi-ai-workflow,
  .hero-how-to-verify-ai-information,
  .hero-ai-hallucinations,
  .hero-ai-for-education {
    background-image:
      linear-gradient(
        rgba(3, 20, 42, 0.86),
        rgba(3, 20, 42, 0.86)
      ),
      url("images/hero-ai-tools-and-platforms.jpg");

    background-position: center;
  }

  .capability-grid,
  .start-steps,
  .prompt-grid,
  .feature-comparison,
  .workflow-grid,
  .project-grid,
  .mistake-grid,
  .source-list,
  .tool-profile-grid,
  .verification-grid,
  .trust-grid,
  .hallucination-grid,
  .education-grid,
  .do-dont-grid {
    grid-template-columns: 1fr;
  }

  .multi-ai-step {
    grid-template-columns: 1fr;
  }

  .multi-ai-step::before {
    margin-bottom: 4px;
  }

  .platform-badge {
    align-items: flex-start;
    font-size: 0.72rem;
  }

  .capability-card,
  .prompt-card,
  .project-card,
  .mistake-card,
  .comparison-card,
  .tool-profile-card,
  .verification-card,
  .trust-card,
  .hallucination-card,
  .education-card,
  .do-card,
  .dont-card {
    padding: 23px;
  }
}


/*
=========================================================
SMALL MOBILE DEVICES
=========================================================
*/

@media (max-width: 480px) {

  .platform-badge {
    padding: 7px 12px;
    letter-spacing: 0.04em;
  }

  .platform-badge span {
    width: 26px;
    height: 26px;
    font-size: 0.65rem;
  }

  .capability-icon,
  .education-icon {
    width: 52px;
    height: 52px;
  }

  .start-step,
  .workflow-card {
    padding: 22px 15px;
  }

  .prompt-box {
    padding: 16px;
    font-size: 0.94rem;
  }

  .source-list li {
    padding: 14px;
  }
}
.section-blue .verification-card {
  color: var(--text);
}

.section-blue .verification-card h3 {
  color: var(--navy);
}

.section-blue .verification-card p,
.section-blue .verification-card li {
  color: var(--text);
}
/*
=========================================================
FIX WHITE CARDS INSIDE COLORED SECTIONS
=========================================================
*/

.section-blue .verification-card,
.section-dark .verification-card,
.section-blue .prompt-card,
.section-dark .prompt-card,
.section-blue .project-card,
.section-dark .project-card,
.section-blue .tool-profile-card,
.section-dark .tool-profile-card,
.section-blue .education-card,
.section-dark .education-card,
.section-blue .mistake-card,
.section-dark .mistake-card,
.section-blue .trust-card,
.section-dark .trust-card,
.section-blue .comparison-card,
.section-dark .comparison-card,
.section-blue .do-card,
.section-blue .dont-card {
  color: var(--text);
}

.section-blue .verification-card h2,
.section-blue .verification-card h3,
.section-dark .verification-card h2,
.section-dark .verification-card h3,
.section-blue .prompt-card h2,
.section-blue .prompt-card h3,
.section-dark .prompt-card h2,
.section-dark .prompt-card h3,
.section-blue .project-card h2,
.section-blue .project-card h3,
.section-dark .project-card h2,
.section-dark .project-card h3,
.section-blue .tool-profile-card h2,
.section-blue .tool-profile-card h3,
.section-dark .tool-profile-card h2,
.section-dark .tool-profile-card h3,
.section-blue .education-card h2,
.section-blue .education-card h3,
.section-dark .education-card h2,
.section-dark .education-card h3,
.section-blue .mistake-card h2,
.section-blue .mistake-card h3,
.section-dark .mistake-card h2,
.section-dark .mistake-card h3,
.section-blue .trust-card h2,
.section-blue .trust-card h3,
.section-dark .trust-card h2,
.section-dark .trust-card h3,
.section-blue .comparison-card h2,
.section-blue .comparison-card h3,
.section-dark .comparison-card h2,
.section-dark .comparison-card h3,
.section-blue .do-card h2,
.section-blue .do-card h3,
.section-blue .dont-card h2,
.section-blue .dont-card h3 {
  color: var(--navy);
}

.section-blue .verification-card p,
.section-blue .verification-card li,
.section-dark .verification-card p,
.section-dark .verification-card li,
.section-blue .prompt-card p,
.section-blue .prompt-card li,
.section-dark .prompt-card p,
.section-dark .prompt-card li,
.section-blue .project-card p,
.section-blue .project-card li,
.section-dark .project-card p,
.section-dark .project-card li,
.section-blue .tool-profile-card p,
.section-blue .tool-profile-card li,
.section-dark .tool-profile-card p,
.section-dark .tool-profile-card li,
.section-blue .education-card p,
.section-blue .education-card li,
.section-dark .education-card p,
.section-dark .education-card li,
.section-blue .mistake-card p,
.section-blue .mistake-card li,
.section-dark .mistake-card p,
.section-dark .mistake-card li,
.section-blue .trust-card p,
.section-blue .trust-card li,
.section-dark .trust-card p,
.section-dark .trust-card li,
.section-blue .comparison-card p,
.section-blue .comparison-card li,
.section-dark .comparison-card p,
.section-dark .comparison-card li,
.section-blue .do-card p,
.section-blue .do-card li,
.section-blue .dont-card p,
.section-blue .dont-card li {
  color: var(--text);
}