/* =========================================================
   Ignite Achievers — Shared Stylesheet
   Plain CSS, no build step. Loaded by every page.
   ========================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Color */
  --color-bg: #ffffff;
  --color-bg-alt: #f6f8fa;
  --color-text: #1f2933;
  --color-text-muted: #52606d;
  --color-heading: #10233f;
  --color-border: #e1e6ea;

  --color-accent: #ffcb05;
  --color-accent-strong: #e0b400;
  --color-accent-text: #8a6a00;
  --color-accent-contrast: #10233f;

  --color-link: #10233f;
  --color-link-hover: #8a6a00;

  /* Type */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  --line-height: 1.6;

  /* Layout */
  --container-width: 1120px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --radius: 6px;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: var(--line-height);
  color: var(--color-text);
  background: var(--color-bg);
}

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

a {
  color: var(--color-link);
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  text-underline-offset: 2px;
}

a:hover {
  color: var(--color-link-hover);
}

ul,
ol {
  padding-left: 1.25rem;
}

/* ---------- Typography ---------- */
h1,
h2,
h3,
h4 {
  color: var(--color-heading);
  line-height: 1.25;
  margin-top: 0;
  font-weight: 700;
}

h1 {
  font-size: 2.25rem;
  margin-bottom: var(--space-2);
}

h2 {
  font-size: 1.65rem;
  margin-bottom: var(--space-2);
}

h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-1);
}

p {
  margin-top: 0;
  margin-bottom: var(--space-2);
}

.lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

section {
  padding: var(--space-5) 0;
}

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

.section-title {
  text-align: center;
  margin-bottom: var(--space-4);
}

.section-title p {
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Program format images (candidate section) ---------- */
.section-banner-image {
  display: block;
  width: 100%;
  height: auto;
  max-width: 640px;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius);
}

.card .program-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin-bottom: var(--space-2);
}

/* ---------- Hero / CTA sections ---------- */
.hero {
  text-align: center;
  padding-bottom: var(--space-4);
}

.hero-bg {
  background-image: linear-gradient(
    rgba(255, 255, 255, 0.62),
    rgba(255, 255, 255, 0.7)
  ), url("../images/hero-bg.jpg");
  background-size: cover;
  background-position: center 65%;
  padding-top: var(--space-5);
}

.hero-bg-about {
  background-image: linear-gradient(
    rgba(255, 255, 255, 0.62),
    rgba(255, 255, 255, 0.7)
  ), url("../images/about-hero-bg.jpg");
  background-size: cover;
  background-position: center 30%;
  padding-top: var(--space-5);
}

.hero .lead {
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-3);
}

.cta-section {
  text-align: center;
}

.cta-section h2 {
  margin-bottom: var(--space-3);
}

/* ---------- In-page sub-nav (anchor tabs) ---------- */
[id] {
  scroll-margin-top: var(--space-3);
}

.page-subnav {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.page-subnav .container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}

.page-subnav a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-heading);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.page-subnav a:hover {
  color: var(--color-accent-text);
  border-color: var(--color-accent-text);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background: var(--color-accent-strong);
  color: var(--color-accent-contrast);
}

.btn-secondary {
  background: transparent;
  border-color: var(--color-heading);
  color: var(--color-heading);
}

.btn-secondary:hover {
  background: var(--color-heading);
  color: #fff;
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.card-narrow {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
}

.text-center {
  text-align: center;
}

/* ---------- FAQ accordion ---------- */
.faq-category {
  margin-bottom: var(--space-4);
}

.faq-category:last-child {
  margin-bottom: 0;
}

.faq-category h2 {
  margin-bottom: var(--space-2);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-2) 0;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-heading);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-weight: 700;
  color: var(--color-accent-text);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: "\2212";
}

.faq-item p {
  margin-top: var(--space-2);
  margin-bottom: 0;
  color: var(--color-text-muted);
}

/* ---------- Blog list ---------- */
.blog-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.blog-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
}

.blog-card h2 {
  font-size: 1.3rem;
  margin-bottom: var(--space-1);
}

.blog-date {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-1);
}

.blog-card p {
  margin-bottom: var(--space-2);
}

.blog-card a.read-more {
  font-weight: 600;
  text-decoration: none;
}

/* ---------- Blog post page ---------- */
.post-header {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.post-body {
  max-width: 700px;
  margin: 0 auto;
}

.post-image {
  display: block;
  width: 100%;
  height: auto;
  max-width: 700px;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius);
}

.post-body p {
  margin-bottom: var(--space-3);
}

.post-back {
  display: block;
  text-align: center;
  margin-top: var(--space-4);
}

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-4);
  align-items: start;
}

.contact-info h3 {
  margin-bottom: var(--space-1);
}

.contact-info .card {
  margin-bottom: var(--space-2);
}

.gform-embed {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-bg);
}

.gform-embed iframe {
  width: 100%;
  min-height: 1281px;
  border: 0;
  display: block;
}

@media (max-width: 800px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Student testimonial carousel ---------- */
.testimonial-carousel {
  max-width: 960px;
  margin: 0 auto;
}

.testimonial-viewport-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.testimonial-slides {
  flex: 1;
  min-width: 0;
  position: relative;
}

.testimonial-slide {
  display: none;
  align-items: flex-start;
  gap: var(--space-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
}

.testimonial-slide.active {
  display: flex;
  animation: testimonial-fade 0.4s ease;
}

@keyframes testimonial-fade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.testimonial-person {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex-shrink: 0;
  width: 320px;
}

.testimonial-photo,
.testimonial-photo-placeholder {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: var(--space-2);
}

.testimonial-photo-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-heading);
  color: var(--color-accent);
  font-weight: 700;
  font-size: 5rem;
}

.testimonial-name {
  font-weight: 600;
  color: var(--color-heading);
  font-size: 1.3rem;
  margin: 0;
}

.testimonial-text {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin: 0;
}

.carousel-arrow {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--color-heading);
  background: transparent;
  color: var(--color-heading);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-arrow:hover {
  background: var(--color-heading);
  color: #fff;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: var(--space-2);
}

.carousel-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: none;
  background: var(--color-border);
  cursor: pointer;
  padding: 0;
}

.carousel-dot.active {
  background: var(--color-accent-text);
}

@media (prefers-reduced-motion: reduce) {
  .testimonial-slide.active {
    animation: none;
  }
}

@media (max-width: 640px) {
  .testimonial-slide {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .testimonial-person {
    width: 100%;
  }

  .testimonial-photo,
  .testimonial-photo-placeholder {
    width: 160px;
    height: 160px;
  }

  .testimonial-photo-placeholder {
    font-size: 3rem;
  }
}

/* ---------- Site header / nav ---------- */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
  position: relative;
}

.logo {
  display: block;
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  background: var(--color-heading);
  padding: 8px 14px;
  border-radius: var(--radius);
}

.logo-img {
  height: 34px;
  width: auto;
}

.footer-logo-img {
  height: 34px;
  width: auto;
  margin-bottom: var(--space-1);
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-accent-text);
}

/* Mobile nav toggle (no JS — checkbox hack) */
.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  width: 28px;
  height: 22px;
  position: relative;
  cursor: pointer;
}

.nav-toggle-label span,
.nav-toggle-label::before,
.nav-toggle-label::after {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-heading);
  border-radius: 2px;
}

.nav-toggle-label::before {
  top: 0;
}

.nav-toggle-label span {
  top: 9.5px;
}

.nav-toggle-label::after {
  bottom: 0;
}

/* ---------- Site footer ---------- */
.site-footer {
  background: var(--color-heading);
  color: #cfd8e3;
  margin-top: var(--space-5);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-3);
}

.footer-inner h3 {
  color: #fff;
  font-size: 1rem;
}

.footer-brand {
  max-width: 320px;
}

.footer-nav ul,
.footer-contact ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav li,
.footer-contact li {
  margin-bottom: var(--space-1);
}

.site-footer a {
  color: #cfd8e3;
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: var(--space-2) 0;
  text-align: center;
  font-size: 0.9rem;
}

.footer-bottom .container {
  display: flex;
  justify-content: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 800px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  h1 {
    font-size: 1.8rem;
  }

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

  .nav-toggle-label {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.06);
    z-index: 10;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2) var(--space-3);
  }

  .site-nav li {
    border-bottom: 1px solid var(--color-border);
  }

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

  .site-nav a {
    display: block;
    padding: var(--space-2) 0;
  }

  .nav-toggle:checked ~ .site-nav {
    display: block;
  }

  .footer-inner {
    flex-direction: column;
    gap: var(--space-3);
  }
}

/* ---------- Homepage dark-canvas variant (index.html only) ---------- */
body.home-dark {
  background: #0c1a2e;
}

body.home-dark .site-header {
  background: #0c1a2e;
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

body.home-dark .site-nav a {
  color: #dbe3ee;
}

body.home-dark .site-nav a:hover,
body.home-dark .site-nav a.active {
  color: var(--color-accent);
}

body.home-dark .nav-toggle-label::before,
body.home-dark .nav-toggle-label::after,
body.home-dark .nav-toggle-label span {
  background: #dbe3ee;
}

body.home-dark section.alt {
  background: #16264a;
}

body.home-dark section:not(.hero) h2 {
  color: #ffffff;
}

body.home-dark .section-title p {
  color: #b7c2d6;
}

body.home-dark section:not(.hero) > .container > p {
  color: #cbd5e3;
}

@media (max-width: 640px) {
  body.home-dark .site-nav {
    background: #0c1a2e;
    border-bottom-color: rgba(255, 255, 255, 0.12);
  }

  body.home-dark .site-nav li {
    border-bottom-color: rgba(255, 255, 255, 0.12);
  }
}