/* ============================================================
   ACTS Computer College — Bold Swiss / modern
   Mobile first. Base styles: 360–390px phones.
   Enhancements: @media (min-width: 640px / 960px / 1200px)
   ============================================================ */

:root {
  --ink: #0a0a0a;
  --paper: #ffffff;
  --green: #0b5e3a;
  --green-deep: #06371f;
  --yellow: #f2e21b;
  --pad-x: clamp(20px, 5vw, 48px);
}

* {
  box-sizing: border-box;
}

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Archivo", "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem; /* 16px */
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  padding-bottom: 78px; /* room for the sticky register bar */
  -webkit-text-size-adjust: 100%;
}

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

/* ---------- Type ---------- */

h1,
h2,
h3 {
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin: 0;
}

h1 {
  font-size: clamp(2.6rem, 12vw, 9rem);
}

h2 {
  font-size: clamp(2.4rem, 9vw, 5rem);
  margin-bottom: clamp(20px, 4vw, 40px);
}

h3 {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.05;
}

p {
  margin: 0 0 1em;
}

a {
  color: inherit;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px; /* touch target */
  padding: 12px 28px;
  font-family: inherit;
  font-size: 1.0625rem;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: 0; /* square corners everywhere */
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.btn-yellow {
  background: var(--yellow);
  color: var(--ink);
}

.btn-yellow:hover,
.btn-yellow:focus-visible {
  background: var(--ink);
  color: var(--yellow);
}

.btn-ghost {
  background: transparent;
  border-color: var(--paper);
  color: var(--paper);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--paper);
  color: var(--green-deep);
}

/* ---------- Focus ---------- */

:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 20px;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  left: 0;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 1240px;
  margin-inline: auto;
  padding: 10px var(--pad-x);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  min-height: 44px;
}

.brand img {
  width: 40px;
  height: 40px;
  flex: none;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: 0;
  cursor: pointer;
}

.menu-bars {
  display: block;
  width: 20px;
}

.menu-bars span {
  display: block;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

body.nav-open .menu-bars span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

body.nav-open .menu-bars span:nth-child(2) {
  opacity: 0;
}

body.nav-open .menu-bars span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Full-screen green overlay menu (phones) */

.site-nav {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: var(--green);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 32px;
  padding: 88px var(--pad-x) 48px;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.25s ease, visibility 0s linear 0.25s;
}

body.nav-open .site-nav {
  visibility: visible;
  opacity: 1;
  transition: opacity 0.25s ease;
}

body.nav-open {
  overflow: hidden;
}

body.nav-open .site-header {
  background: var(--green);
  border-color: transparent;
  color: var(--paper);
}

body.nav-open .menu-toggle {
  background: transparent;
  border-color: var(--paper);
}

body.nav-open .menu-bars span {
  background: var(--paper);
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.nav-list a {
  display: inline-block;
  font-size: clamp(2.2rem, 10vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  text-decoration: none;
  padding: 6px 0;
  min-height: 44px;
}

.nav-list a:hover {
  text-decoration: underline;
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.1em;
}

.nav-cta {
  width: 100%;
}

/* ---------- Layout helpers ---------- */

.section {
  padding-block: clamp(56px, 11vw, 120px);
}

.section-inner {
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)); /* strict 4-col on phone */
  gap: 24px;
}

.section-lead {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 500;
  line-height: 1.4;
  max-width: 62ch;
  margin-bottom: clamp(32px, 6vw, 64px);
}

/* ---------- Hero ---------- */

.hero {
  background: var(--green);
  color: var(--paper);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  max-width: 1240px;
  margin-inline: auto;
  padding: clamp(40px, 8vw, 96px) var(--pad-x) 0;
}

.hero-lead {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 500;
  max-width: 44ch;
  margin: clamp(16px, 3vw, 28px) 0 0;
}

.hero-photo {
  order: 2;
  margin: clamp(20px, 5vw, 40px) calc(-1 * var(--pad-x)) 0; /* full width bleed */
  line-height: 0;
}

.hero-photo img {
  width: 100%;
}

.hero-ctas {
  order: 3;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(24px, 5vw, 48px) 0 clamp(32px, 6vw, 64px);
}

.hero-ctas .btn {
  width: 100%;
}

/* ---------- Why ACTS ---------- */

.why {
  /* room if the hero photo breaks out of the block above */
  padding-top: clamp(56px, 11vw, 120px);
}

.points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  grid-auto-flow: row;
}

.points li {
  border-top: 2px solid var(--ink);
  padding: 18px 0 26px;
}

.points h3 {
  margin-bottom: 8px;
}

.points p {
  margin: 0;
  max-width: 48ch;
}

/* ---------- Programs ---------- */

.program-blocks {
  display: grid;
  grid-template-columns: 1fr;
}

.program-block {
  padding: clamp(28px, 6vw, 64px);
  color: var(--paper);
}

.program-block h3 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 900;
  margin-bottom: clamp(16px, 3vw, 32px);
}

.program-block ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.program-block li {
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  padding-top: 14px;
  font-size: 1.0625rem;
  line-height: 1.5;
}

.program-green {
  background: var(--green);
}

.program-ink {
  background: var(--ink);
}

.departments {
  margin: clamp(20px, 4vw, 32px) 0 0;
  font-size: 1.0625rem;
  font-weight: 500;
}

.departments strong {
  font-weight: 800;
}

/* ---------- President ---------- */

.president-photo {
  margin: 0;
  grid-column: 1 / -1;
  max-width: 280px;
  justify-self: start;
}

.president-text {
  grid-column: 1 / -1;
}

.president-text blockquote {
  margin: 0 0 24px;
  border-left: 6px solid var(--green);
  padding-left: clamp(16px, 3vw, 32px);
}

.president-text blockquote p {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 500;
  line-height: 1.35;
  margin: 0;
}

.president-name {
  font-weight: 800;
  font-size: 1.0625rem;
  margin: 0;
}

/* ---------- CTA ---------- */

.cta {
  background: var(--ink);
  color: var(--paper);
}

.cta h2 {
  max-width: 22ch;
}

.hl {
  color: var(--yellow); /* the one yellow highlight */
}

.cta-lead {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5em;
}

.cta-sub {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  max-width: 52ch;
  margin-bottom: clamp(28px, 5vw, 48px);
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cta-buttons .btn {
  width: 100%;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--green-deep);
  color: var(--paper);
  padding-block: clamp(48px, 9vw, 96px) 32px;
}

.footer-logo {
  margin-bottom: clamp(24px, 5vw, 40px);
}

.contact-list {
  list-style: none;
  margin: 0 0 40px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.contact-list li {
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  padding-top: 14px;
  font-size: 1.125rem;
}

.contact-label {
  display: block;
  font-weight: 800;
  font-size: 1.0625rem;
  margin-bottom: 2px;
}

.contact-list a,
.fineprint a {
  color: var(--paper);
  text-underline-offset: 0.15em;
}

.contact-list a:hover,
.fineprint a:hover {
  color: var(--yellow);
}

.fineprint {
  font-size: 0.9375rem;
  opacity: 0.85;
  margin: 0;
}

/* ---------- Sticky bottom register bar (phones only) ---------- */

.sticky-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  background: var(--paper);
  border-top: 2px solid var(--ink);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
}

.sticky-bar .btn {
  width: 100%;
}

/* ---------- Motion ---------- */

.rise {
  animation: rise 0.7s cubic-bezier(0.2, 0.6, 0.2, 1) both;
}

.rise-2 {
  animation-delay: 0.12s;
}

.rise-3 {
  animation-delay: 0.22s;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .rise,
  .rise-2,
  .rise-3 {
    animation: none;
  }

  .btn,
  .menu-bars span,
  .site-nav {
    transition: none;
  }
}

/* ============================================================
   Enhancements
   ============================================================ */

@media (min-width: 640px) {
  .grid {
    gap: 28px;
  }

  .points li {
    padding: 22px 0 30px;
  }
}

@media (min-width: 960px) {
  body {
    padding-bottom: 0; /* sticky bar hidden */
  }

  .sticky-bar {
    display: none;
  }

  /* Inline desktop nav replaces the overlay */
  .menu-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    visibility: visible;
    opacity: 1;
    background: none;
    color: inherit;
    padding: 0;
    flex-direction: row;
    align-items: center;
    gap: 28px;
  }

  .nav-list {
    grid-auto-flow: column;
    gap: 4px;
  }

  .nav-list a {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1.6;
    padding: 8px 12px;
  }

  .nav-list a:hover {
    text-decoration-thickness: 0.14em;
  }

  .nav-cta {
    width: auto;
    min-height: 44px;
    padding: 10px 22px;
  }

  body.nav-open {
    overflow: auto;
  }

  /* Hero: headline stacked over the photo, photo bottom-right
     breaking out of the green block */
  .hero-inner {
    padding-top: clamp(80px, 9vw, 140px);
  }

  .hero h1 {
    font-size: clamp(4rem, 7vw, 7.5rem);
    max-width: none;
  }

  .hero-photo {
    order: 3;
    width: min(56vw, 820px);
    margin: clamp(-64px, -4vw, -24px) calc(-1 * var(--pad-x)) -7vw auto;
    position: relative;
    z-index: 2;
  }

  .hero-ctas {
    order: 2;
    flex-direction: row;
    align-items: center;
    padding: clamp(32px, 4vw, 56px) 0 clamp(40px, 5vw, 72px);
  }

  .hero-ctas .btn {
    width: auto;
  }

  .why {
    padding-top: clamp(140px, 14vw, 220px); /* clear the photo breakout */
  }

  /* Two-column text list, flowing down each column */
  .points {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: repeat(3, auto);
    grid-auto-flow: column;
    column-gap: clamp(40px, 6vw, 96px);
  }

  /* Programs: two big contrasting blocks side by side */
  .program-blocks {
    grid-template-columns: 1fr 1fr;
  }

  .president-photo {
    grid-column: 1 / span 4;
    max-width: 340px;
  }

  .president-text {
    grid-column: 6 / span 7;
  }
}

@media (min-width: 1200px) {
  :root {
    --pad-x: 48px;
  }

  .grid {
    grid-template-columns: repeat(12, minmax(0, 1fr)); /* strict 12-col on desktop */
    gap: 32px;
  }

  .president-photo {
    grid-column: 1 / span 4;
  }

  .president-text {
    grid-column: 6 / span 7;
  }
}