/* ==========================================================================
   MADAHACK — Cybersécurité Madagascar
   ========================================================================== */

:root {
  --white: #FFFFFF;
  --red: #FC3D32;
  --green: #007E3A;
  --black: #0A0A0A;
  --card: #1A1A1A;
  --card-hover: #222222;
  --border: #2A2A2A;
  --muted: #888888;
  --muted-2: #666666;

  --font-display: 'Rajdhani', 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --container: 1200px;
  --gutter: 1.5rem;
  --radius: 12px;
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);

  --nav-h: 72px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

/* A11y */
:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 4px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

section {
  padding: 6rem 0;
  position: relative;
}

@media (max-width: 768px) {
  section { padding: 4rem 0; }
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.section-title {
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  text-align: center;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 4rem;
  font-size: 1.1rem;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 8px;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn-primary:hover {
  background: transparent;
  color: var(--green);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--black);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  padding: 0.5rem 0;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  border: 0;
  border-radius: 0;
  border-bottom: 1px solid var(--border);
}
.btn-ghost:hover {
  border-bottom-color: var(--green);
  color: var(--green);
  transform: translateX(4px);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  transition: backdrop-filter var(--transition), background var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
}

.nav-inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  height: 32px;
}
.nav-logo svg { height: 28px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--white);
  position: relative;
  padding: 0.25rem 0;
}

.nav-links a::before {
  content: '#';
  color: var(--green);
  margin-right: 0.15rem;
  opacity: 0.6;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--green);
  transition: width var(--transition);
}

.nav-links a:hover { color: var(--green); }
.nav-links a:hover::after { width: 100%; }

.burger {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  z-index: 110;
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition);
}

.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .burger { display: flex; }

  .nav-links {
    position: fixed;
    top: 0; right: 0;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--card);
    border-left: 1px solid var(--border);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 2rem 2rem;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform var(--transition);
  }

  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 1.1rem; }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: var(--nav-h) var(--gutter) 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.06) 1px, transparent 0);
  background-size: 40px 40px;
  opacity: 0.5;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero-logo {
  display: block;
  margin: 0 auto 2rem;
  width: min(280px, 60vw);
  height: auto;
  filter: drop-shadow(0 8px 32px rgba(0, 126, 58, 0.25));
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}

.hero-title .accent { color: var(--green); }

.terminal {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1.6vw, 1.15rem);
  color: var(--green);
  letter-spacing: 0.15em;
  margin-bottom: 3rem;
  text-transform: uppercase;
}

.terminal .prompt { color: var(--muted); margin-right: 0.5rem; }
.terminal .dot { color: var(--red); margin: 0 0.5rem; }

.cursor {
  display: inline-block;
  width: 0.6ch;
  color: var(--green);
  animation: blink 1s steps(2) infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--muted-2);
  text-transform: uppercase;
  animation: float 2.5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(-50%, 0); opacity: 0.6; }
  50% { transform: translate(-50%, 8px); opacity: 1; }
}

@media (max-width: 768px) {
  .hero-scroll-hint { display: none; }
}

/* ==========================================================================
   About
   ========================================================================== */

.about-intro {
  max-width: 720px;
  margin: 0 auto 4rem;
  text-align: center;
  font-size: 1.15rem;
  color: #ccc;
}

.mini-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.mini-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--transition);
}

.mini-card:hover {
  background: var(--card-hover);
  border-color: var(--green);
  transform: translateY(-4px);
}

.mini-card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  line-height: 1;
}

.mini-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.mini-card p {
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .mini-cards { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Activities
   ========================================================================== */

.activities {
  background: linear-gradient(180deg, var(--black) 0%, #060606 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(255,255,255,0.04), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.card:hover { transform: translateY(-6px); background: var(--card-hover); }
.card:hover::after { opacity: 1; }

.card.accent-red { border-top-color: var(--red); }
.card.accent-red:hover { box-shadow: 0 12px 32px -12px rgba(252, 61, 50, 0.3); }
.card.accent-red .card-icon { color: var(--red); }
.card.accent-red .card-list li::before { color: var(--red); }

.card.accent-green { border-top-color: var(--green); }
.card.accent-green:hover { box-shadow: 0 12px 32px -12px rgba(0, 126, 58, 0.4); }
.card.accent-green .card-icon { color: var(--green); }
.card.accent-green .card-list li::before { color: var(--green); }

.card.accent-white { border-top-color: var(--white); }
.card.accent-white:hover { box-shadow: 0 12px 32px -12px rgba(255, 255, 255, 0.2); }
.card.accent-white .card-icon { color: var(--white); }
.card.accent-white .card-list li::before { color: var(--white); }

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
}

.card-icon svg { width: 100%; height: 100%; }

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.card-text {
  color: #bbb;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.card-list {
  margin-bottom: 2rem;
  flex-grow: 1;
}

.card-list li {
  padding: 0.4rem 0;
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.9rem;
  color: #ccc;
  border-bottom: 1px solid var(--border);
}

.card-list li:last-child { border-bottom: none; }

.card-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  font-family: var(--font-mono);
}

.card .btn-ghost {
  margin-top: auto;
  align-self: flex-start;
}

@media (max-width: 1024px) {
  .cards { grid-template-columns: 1fr; max-width: 600px; margin: 0 auto; }
}

/* ==========================================================================
   Why
   ========================================================================== */

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.why-block {
  text-align: center;
  padding: 1.5rem 1rem;
}

.why-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1;
}

.why-block h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.why-block p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .why-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact {
  background: linear-gradient(180deg, var(--black) 0%, #060606 100%);
  border-top: 1px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 1.25rem; }

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.contact-info-item:hover {
  border-color: var(--green);
  transform: translateX(4px);
}

.contact-info-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.contact-info-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.15rem;
}

.contact-info-value {
  font-size: 0.95rem;
  color: var(--white);
}

.contact-info a.contact-info-value:hover { color: var(--green); }

.social-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.social-links a {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all var(--transition);
  color: var(--white);
}

.social-links a:hover {
  border-color: var(--green);
  color: var(--green);
  transform: translateY(-3px);
}

.social-links svg { width: 20px; height: 20px; }

/* Form */
.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.field { display: flex; flex-direction: column; gap: 0.4rem; }

.field label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  text-transform: uppercase;
}

.field label .req { color: var(--red); margin-left: 0.25rem; }

.field input,
.field select,
.field textarea {
  background: var(--black);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition), background var(--transition);
  width: 100%;
}

.field textarea {
  resize: vertical;
  min-height: 130px;
  font-family: var(--font-body);
}

.field select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--green) 50%),
    linear-gradient(135deg, var(--green) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 12px) 50%;
  background-size: 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.5rem;
  cursor: pointer;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--green);
  background: #050505;
}

.contact-form button[type="submit"] {
  align-self: flex-start;
  margin-top: 0.5rem;
}

@media (max-width: 1024px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 480px) {
  .contact-form { padding: 1.5rem; }
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  background: #050505;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.footer-logo svg { height: 24px; width: auto; }

.footer-nav {
  display: flex;
  gap: 1.5rem;
}

.footer-nav a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-nav a:hover { color: var(--green); }

.footer-baseline {
  text-align: center;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.3em;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.footer-baseline .hack { color: var(--red); }
.footer-baseline .defend { color: var(--green); }
.footer-baseline .secure { color: var(--white); }
.footer-baseline .sep { color: var(--muted-2); margin: 0 0.6rem; }

.footer-copy {
  text-align: center;
  color: var(--muted-2);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

@media (max-width: 480px) {
  .footer-top { flex-direction: column; gap: 1.5rem; text-align: center; }
}

/* ==========================================================================
   Scroll animations
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms ease, transform 700ms ease;
  will-change: opacity, transform;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .cursor { animation: none; }
}