/* ================================================================
   Portfolio Rina Andriantsoavina — Design System
   Même charte graphique qu'Aizora
   ================================================================ */

/* ─── FONT FACES ─────────────────────────────────────────── */
@font-face {
  font-family: 'Chillax';
  src: url('../fonts/Chillax-Variable.woff2') format('woff2'),
       url('../fonts/Chillax-Variable.woff') format('woff');
  font-weight: 200 700;
  font-display: swap;
  font-style: normal;
}

/* ─── DESIGN TOKENS ──────────────────────────────────────── */
:root {
  --indigo:        #7130F0;
  --indigo-light:  #9060f5;
  --indigo-dark:   #5a20d0;
  --cyan:          #72f9ff;
  --cyan-light:    #a0fbff;
  --callie:        #F5A7F5;

  --bg:            #08090A;
  --bg2:           #0d0e10;
  --surface:       rgba(255,255,255,0.03);
  --surface-md:    rgba(255,255,255,0.05);

  --text:          #e8eaed;
  --text-muted:    #8b8f96;
  --bleu-blanc:    #F3F5FF;

  --border:        rgba(255,255,255,0.06);
  --border-hover:  rgba(255,255,255,0.12);
  --border-accent: rgba(113,48,240,0.25);

  --glass-bg:      rgba(255,255,255,0.03);
  --glass-border:  rgba(255,255,255,0.08);

  --sh-sm:  0 2px 8px rgba(0,0,0,0.3);
  --sh-md:  0 8px 32px rgba(0,0,0,0.4);
  --sh-btn: 0 4px 24px rgba(113,48,240,0.15);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --section-pad: 8rem 6%;

  --duration:   0.3s;
  --duration-s: 0.15s;
  --ease:       cubic-bezier(0.34,1,0.64,1);
}

/* ─── RESET ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Chillax', sans-serif;
  background:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px),
    var(--bg);
  background-size: 80px 80px;
  color: var(--text);
  min-height: 100vh;
  cursor: none;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ─── CURSOR ─────────────────────────────────────────────── */
#cursor {
  position: fixed; top: 0; left: 0;
  width: 8px; height: 8px;
  background: var(--cyan);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%,-50%);
  z-index: 9999;
  transition: background var(--duration-s);
}
#cursor-ring {
  position: fixed; top: 0; left: 0;
  width: 28px; height: 28px;
  border: 1.5px solid rgba(114,249,255,0.5);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%,-50%);
  z-index: 9998;
  transition: border-color var(--duration);
}

/* ─── SCROLL REVEAL ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.revealed { opacity: 1; transform: none; }

/* ─── HERO ANIM (no reveal conflict) ────────────────────── */
.h-anim { opacity: 0; }

/* ─── NAVBAR ─────────────────────────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 6%;
  z-index: 1000;
  transition: background var(--duration), backdrop-filter var(--duration), padding var(--duration);
}
#navbar.scrolled {
  background: rgba(8,9,10,0.85);
  backdrop-filter: blur(20px);
  padding: 0.8rem 6%;
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--bleu-blanc);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--cyan); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--duration);
}
.nav-links a:hover,
.nav-links a.active { color: var(--bleu-blanc); }

.nav-cta {
  padding: 0.5rem 1.2rem;
  background: var(--indigo);
  color: var(--bleu-blanc) !important;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: background var(--duration) !important;
}
.nav-cta:hover { background: var(--indigo-light) !important; }

#hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
#hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--bleu-blanc);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* Mobile menu */
#mobileMenu {
  display: none;
  position: fixed;
  inset: 0; top: 60px;
  background: rgba(8,9,10,0.97);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  z-index: 999;
  list-style: none;
}
#mobileMenu.open { display: flex; }
#mobileMenu a { font-size: 1.4rem; font-weight: 600; color: var(--bleu-blanc); }

/* ─── SECTION BASE ───────────────────────────────────────── */
section { padding: var(--section-pad); }

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(114,249,255,0.08);
  border: 1px solid rgba(114,249,255,0.2);
  border-radius: 20px;
  padding: 0.3rem 0.9rem;
  margin-bottom: 1rem;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--bleu-blanc);
  line-height: 1.1;
  margin-bottom: 1.2rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.7;
}

/* ─── HERO ───────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0 6%;
  overflow: hidden;
}
#heroCanvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(114,249,255,0.08);
  border: 1px solid rgba(114,249,255,0.2);
  border-radius: 20px;
  padding: 0.35rem 1rem;
  margin-bottom: 1.5rem;
}
.hero-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--bleu-blanc);
  margin-bottom: 0.5rem;
}
.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: var(--indigo-light);
  font-weight: 600;
  margin-bottom: 1.5rem;
}
.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--indigo);
  color: var(--bleu-blanc);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: var(--sh-btn);
  transition: background var(--duration);
}
.hero-cta:hover { background: var(--indigo-light); }

/* ─── À PROPOS ───────────────────────────────────────────── */
#apropos {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  align-items: center;
  padding: var(--section-pad);
}
.apropos-photo {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  border: 1px solid var(--border);
  background: var(--surface);
}
.apropos-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.apropos-photo-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 4rem;
}
.apropos-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.8rem;
  background: rgba(113,48,240,0.12);
  border: 1px solid var(--border-accent);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--indigo-light);
  text-decoration: none;
  margin-top: 1.5rem;
  transition: border-color var(--duration);
}
.apropos-badge:hover { border-color: var(--indigo-light); }

.btn-cv {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.2rem;
  padding: 0.65rem 1.4rem;
  background: var(--indigo);
  color: #fff;
  border: 1px solid var(--indigo);
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--duration), border-color var(--duration), color var(--duration);
}
.btn-cv:hover { background: transparent; color: var(--indigo-light); border-color: var(--indigo-light); }
#contact .btn-cv { margin-top: 2rem; }

.apropos-loc {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.8rem;
}
.apropos-text p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-top: 1.2rem;
}

/* ─── COMPÉTENCES ────────────────────────────────────────── */
#competences { text-align: center; }
#competences .section-subtitle { margin: 0 auto 3rem; }

.competences-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}
.comp-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-align: left;
  transition: border-color var(--duration);
}
.comp-card:hover { border-color: var(--border-hover); }
.comp-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(113,48,240,0.1);
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
  color: var(--indigo-light);
  margin-bottom: 1rem;
}
.comp-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--bleu-blanc);
  margin-bottom: 0.8rem;
}
.comp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.comp-tag {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-muted);
}

/* ─── PROJETS ────────────────────────────────────────────── */
#projets { text-align: center; }
#projets .section-subtitle { margin: 0 auto 2rem; }

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 3rem;
}
.filter-btn {
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: none;
  color: var(--text-muted);
  font-family: 'Chillax', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--duration), color var(--duration);
}
.filter-btn:hover,
.filter-btn.active {
  border-color: var(--indigo-light);
  color: var(--bleu-blanc);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  text-align: left;
}
.project-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--duration);
  display: flex;
  flex-direction: column;
}
.project-card:hover { border-color: var(--border-hover); }
.project-thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--surface);
  flex-shrink: 0;
}
.project-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.project-body {
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.project-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--bleu-blanc);
  margin-bottom: 0.5rem;
}
.project-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 1rem;
}
.project-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.project-tag {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-muted);
}
.project-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: border-color var(--duration), color var(--duration);
  flex-shrink: 0;
}
.project-link:hover { border-color: var(--indigo-light); color: var(--bleu-blanc); }

/* ─── CONTACT ────────────────────────────────────────────── */
#contact { text-align: center; }
#contact .section-subtitle { margin: 0 auto 3rem; }

.contact-links {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  transition: border-color var(--duration), color var(--duration);
}
.contact-link:hover { border-color: var(--indigo-light); color: var(--bleu-blanc); }
.contact-link i { font-size: 1rem; }

/* ─── FOOTER ─────────────────────────────────────────────── */
footer {
  padding: 2rem 6%;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
footer p { font-size: 0.82rem; color: var(--text-muted); }
footer a { color: var(--indigo-light); transition: color var(--duration); }
footer a:hover { color: var(--cyan); }