/*
Theme Name: Ubuntu Academy
Theme URI: https://ubuntuacademy.ug
Author: Ubuntu Academy
Author URI: https://ubuntuacademy.ug
Description: A clean, accessible WordPress theme for Ubuntu Academy. Built with IBM Carbon-inspired flat design and a green palette.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ubuntu-academy
Tags: education, non-profit, accessibility, responsive, green
*/

:root {
  --color-primary: #183e3b;
  --color-primary-dark: #102a28;
  --color-accent: #1a7e60;
  --color-accent-light: #22a37f;
  --color-accent-hover: #158f6a;
  --color-canvas: #ffffff;
  --color-surface: #f5f7f6;
  --color-surface-alt: #eef2f0;
  --color-ink: #1a1a1a;
  --color-ink-muted: #5a5a5a;
  --color-ink-subtle: #8c8c8c;
  --color-on-primary: #ffffff;
  --color-hairline: #dde3e0;
  --color-error: #c0392b;
  --color-success: #1a7e60;
  --font-family: "Poppins", "Helvetica Neue", Arial, sans-serif;
  --font-weight-light: 400;
  --font-weight-regular: 300;
  --font-weight-semibold: 600;
  --max-width: 1200px;
  --nav-height: 64px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-regular);
  line-height: 1.5;
  letter-spacing: 0.16px;
  color: var(--color-ink);
  background-color: var(--color-canvas);
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--color-accent-hover);
}
a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-weight-light);
  line-height: 1.2;
  color: var(--color-primary);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.5px;
}
h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  letter-spacing: -0.3px;
}
h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}
h4 {
  font-size: 1.25rem;
  font-weight: var(--font-weight-regular);
}

p {
  margin-bottom: 1rem;
  line-height: 1.6;
}
p.lead {
  font-size: 1.125rem;
  color: var(--color-ink-muted);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 80px 0;
}
.section--surface {
  background-color: var(--color-surface);
}
.section--primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}
.section--primary h2,
.section--primary h3,
.section--primary h4 {
  color: var(--color-on-primary);
}
.section--primary p {
  color: rgba(255, 255, 255, 0.85);
}
.section--accent {
  background-color: var(--color-accent);
  color: var(--color-on-primary);
}
.section--accent h2,
.section--accent h3 {
  color: var(--color-on-primary);
}
.section--accent p {
  color: rgba(255, 255, 255, 0.9);
}
.section__title {
  text-align: center;
  margin-bottom: 16px;
}
.section__subtitle {
  text-align: center;
  color: var(--color-ink-muted);
  max-width: 640px;
  margin: 0 auto 48px;
  font-size: 1.125rem;
}

.grid {
  display: grid;
  gap: 24px;
}
.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1056px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 672px) {
  .grid--4,
  .grid--3,
  .grid--2 {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 56px 0;
  }
}

/* NAV */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary-dark);
}
.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.site-nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.site-nav__logo img {
  height: 44px;
  width: auto;
}
.site-nav__logo-text {
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-on-primary);
  letter-spacing: 0;
}
.site-nav__logo-motto {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.32px;
  display: block;
}
.site-nav__links {
  display: flex;
  align-items: center;
  gap: 0;
}
.site-nav__link {
  display: flex;
  align-items: center;
  height: var(--nav-height);
  padding: 0 20px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  letter-spacing: 0.16px;
  transition:
    color 0.2s,
    background-color 0.2s;
  border-top: 2px solid transparent;
}
.site-nav__link:hover,
.site-nav__link--active {
  color: var(--color-on-primary);
  background-color: rgba(255, 255, 255, 0.08);
  border-top-color: var(--color-accent-light);
}
.site-nav__cta {
  margin-left: 8px;
}
.site-nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-on-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

@media (max-width: 1056px) {
  .site-nav__links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: var(--color-primary);
    flex-direction: column;
    border-top: 1px solid var(--color-primary-dark);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  }
  .site-nav__links.is-open {
    display: flex;
  }
  .site-nav__link {
    width: 100%;
    height: 52px;
    padding: 0 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    border-left: 3px solid transparent;
  }
  .site-nav__link:hover,
  .site-nav__link--active {
    border-bottom-color: rgba(255, 255, 255, 0.08);
    border-left-color: var(--color-accent-light);
  }
  .site-nav__cta {
    margin: 8px 24px 16px;
    width: calc(100% - 48px);
  }
  .site-nav__toggle {
    display: block;
  }
}

/* HERO */
.hero {
  position: relative;
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  overflow: hidden;
  height: 100vh;
  display: flex;
  align-items: stretch;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    rgba(24, 62, 59, 0.85) 50%,
    rgba(26, 126, 96, 0.7) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: stretch;
}
.hero__text-content,
.hero__image {
  width: 50%;
}
.hero__text-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 0;
}
.hero__image {
  align-self: flex-end;
}
.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero__eyebrow {
  font-size: 0.875rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: 16px;
  font-weight: var(--font-weight-semibold);
}
.hero__title {
  color: var(--color-on-primary);
  margin-bottom: 20px;
  max-width: 680px;
}
.hero__text {
  font-size: 1.125rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin-bottom: 32px;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .hero {
    height: auto;
    min-height: 100vh;
  }
  .hero__content {
    flex-direction: column;
    justify-content: center;
  }
  .hero__text-content {
    width: 100%;
    padding: 56px 24px;
  }
  .hero__image {
    order: -1;
    display: none;
    width: 100%;
    max-height: 40vh;
  }
  .hero__image img {
    object-fit: cover;
    object-position: top;
  }
  .hero__bg::after {
    background: linear-gradient(
      135deg,
      var(--color-primary) 0%,
      rgba(24, 62, 59, 0.55) 50%,
      rgba(26, 126, 96, 0.45) 100%
    );
  }
}

/* PAGE HERO (inner pages) */
.page-hero {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  padding: 64px 0 56px;
}
.page-hero__title {
  color: var(--color-on-primary);
  margin-bottom: 12px;
}
.page-hero__text {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.125rem;
  max-width: 640px;
}
.page-hero--accent {
  background-color: var(--color-accent);
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-family);
  font-size: 0.875rem;
  font-weight: var(--font-weight-regular);
  letter-spacing: 0.16px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  line-height: 1.29;
}
.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-on-primary);
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-on-primary);
}
.btn--secondary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}
.btn--secondary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-on-primary);
}
.btn--outline {
  background-color: transparent;
  color: var(--color-on-primary);
  border-color: rgba(255, 255, 255, 0.5);
}
.btn--outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.8);
  color: var(--color-on-primary);
}
.btn--ghost {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn--ghost:hover {
  background-color: var(--color-accent);
  color: var(--color-on-primary);
}
.btn--lg {
  padding: 16px 36px;
  font-size: 1rem;
}

/* CARDS */
.card {
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  padding: 32px;
  transition: border-color 0.2s;
}
.card:hover {
  border-color: var(--color-accent);
}
.card__icon {
  width: 48px;
  height: 48px;
  background-color: rgba(26, 126, 96, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-accent);
  font-size: 1.5rem;
}
.card__title {
  margin-bottom: 12px;
}
.card__text {
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
}

/* STAT CARDS */
.stat {
  text-align: center;
  padding: 32px;
}
.stat__number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-weight-light);
  color: var(--color-accent);
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}
.stat__label {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* CTA BANNER */
.cta-banner {
  background-color: var(--color-accent);
  color: var(--color-on-primary);
  padding: 64px 0;
  text-align: center;
}
.cta-banner h2 {
  color: var(--color-on-primary);
  margin-bottom: 16px;
}
.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 540px;
  margin: 0 auto 32px;
  font-size: 1.125rem;
}

/* FORMS */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-ink);
  margin-bottom: 6px;
  letter-spacing: 0.16px;
}
.form-group label .required {
  color: var(--color-error);
}
.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-family);
  font-size: 1rem;
  letter-spacing: 0.16px;
  color: var(--color-ink);
  background-color: var(--color-surface);
  border: 1px solid var(--color-hairline);
  border-radius: 0;
  transition: border-color 0.2s;
  appearance: none;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
}
.form-control::placeholder {
  color: var(--color-ink-subtle);
}
textarea.form-control {
  min-height: 120px;
  resize: vertical;
}
select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235a5a5a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 672px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-success {
  background-color: rgba(26, 126, 96, 0.1);
  border: 1px solid var(--color-accent);
  padding: 20px 24px;
  margin-bottom: 24px;
  color: var(--color-primary);
}
.form-error {
  background-color: rgba(192, 57, 43, 0.1);
  border: 1px solid var(--color-error);
  padding: 20px 24px;
  margin-bottom: 24px;
  color: var(--color-error);
}

/* ABOUT PAGE */
.value-card {
  padding: 32px;
  border: 1px solid var(--color-hairline);
  background: var(--color-canvas);
}
.value-card__icon {
  font-size: 2rem;
  margin-bottom: 16px;
  color: var(--color-accent);
}
.value-card h4 {
  margin-bottom: 8px;
}
.value-card p {
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
}

.timeline {
  position: relative;
  padding-left: 32px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-hairline);
}
.timeline__item {
  position: relative;
  margin-bottom: 40px;
}
.timeline__item::before {
  content: "";
  position: absolute;
  left: -37px;
  top: 4px;
  width: 12px;
  height: 12px;
  background-color: var(--color-accent);
  border: 2px solid var(--color-canvas);
}

/* PROGRAMS PAGE */
.program-card {
  border: 1px solid var(--color-hairline);
  padding: 32px;
  background: var(--color-canvas);
}
.program-card--featured {
  border-color: var(--color-accent);
  border-width: 2px;
}
.program-card__price {
  font-size: 2rem;
  font-weight: var(--font-weight-light);
  color: var(--color-accent);
  margin-bottom: 8px;
}
.program-card__period {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  margin-bottom: 20px;
}
.program-card ul {
  margin-bottom: 24px;
}
.program-card li {
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
  border-bottom: 1px solid var(--color-surface);
}
.program-card li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
}

/* GALLERY */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}
.gallery__item {
  overflow: hidden;
  aspect-ratio: 4/3;
}
.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.gallery__item:hover img {
  transform: scale(1.05);
}
@media (max-width: 1056px) {
  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 672px) {
  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* CONTACT */
.contact-info {
  padding: 32px;
  border: 1px solid var(--color-hairline);
  background: var(--color-canvas);
}
.contact-info__icon {
  width: 48px;
  height: 48px;
  background-color: rgba(26, 126, 96, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-accent);
  font-size: 1.25rem;
}
.contact-info h4 {
  margin-bottom: 4px;
}
.contact-info p {
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
  margin-bottom: 0;
}
.contact-info a {
  color: var(--color-accent);
}

/* FOOTER */
.site-footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 32px;
}
.site-footer h4 {
  color: var(--color-on-primary);
  font-size: 1rem;
  margin-bottom: 16px;
  font-weight: var(--font-weight-semibold);
}
.site-footer a {
  color: rgba(255, 255, 255, 0.7);
}
.site-footer a:hover {
  color: var(--color-accent-light);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.site-footer__about p {
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 16px;
}
.site-footer__links li {
  margin-bottom: 10px;
}
.site-footer__links a {
  font-size: 0.875rem;
}
.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
}
.site-footer__bottom a {
  margin-left: 20px;
}

@media (max-width: 1056px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 672px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .site-footer__bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* 404 */
.page-404 {
  text-align: center;
  padding: 120px 0;
}
.page-404 h1 {
  font-size: 6rem;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.page-404 p {
  font-size: 1.25rem;
  color: var(--color-ink-muted);
  margin-bottom: 32px;
}

/* UTILITIES */
.text-center {
  text-align: center;
}
.text-accent {
  color: var(--color-accent);
}
.text-primary {
  color: var(--color-primary);
}
.mb-0 {
  margin-bottom: 0;
}
.mb-16 {
  margin-bottom: 16px;
}
.mb-24 {
  margin-bottom: 24px;
}
.mb-32 {
  margin-bottom: 32px;
}
.mb-48 {
  margin-bottom: 48px;
}
.mt-24 {
  margin-top: 24px;
}
.mt-32 {
  margin-top: 32px;
}