/* =========================================================
   Renan Henry Portfolio — style.css
   ========================================================= */

:root {
  --green: #00e87a;
  --green-dim: #00e87a22;
  --green-mid: #00e87a55;
  --bg: #0d0d0d;
  --bg2: #141414;
  --bg3: #1c1c1c;
  --border: #2a2a2a;
  --text: #e0e0e0;
  --text-muted: #888;
  --font: 'Inter', sans-serif;
  --mono: 'Fira Code', monospace;
  --radius: 12px;
  --nav-h: 68px;
  --transition: 0.3s ease;
}

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

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--green-mid); border-radius: 99px; }

/* ---- UTILS ---- */
.accent { color: var(--green); }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* =========================================================
   SPLASH
   ========================================================= */
#splash {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.7s ease;
}

#splash.splash--out {
  opacity: 0;
  pointer-events: none;
}

.splash__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.splash__line {
  font-family: var(--mono);
  font-size: clamp(1.4rem, 4vw, 2rem);
  color: var(--text);
  min-height: 1.5em;
  letter-spacing: 1px;
}

.splash__cursor {
  color: var(--green);
  animation: blink 1s step-end infinite;
}

.splash__line--fade {
  opacity: 0;
  transition: opacity 0.8s ease;
  color: var(--text-muted);
}

.splash__line--visible {
  opacity: 1;
}

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: transparent;
  transition: background var(--transition), border-color var(--transition);
}

.nav.scrolled {
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--mono);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.5px;
}

.nav__links {
  display: flex;
  gap: 36px;
}

.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -3px; 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%; }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__burger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

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

/* =========================================================
   HERO
   ========================================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(0, 232, 122, 0.07) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(0, 232, 122, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,232,122,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,232,122,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at center, black 30%, transparent 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--nav-h) 24px 0;
}

.hero__tag {
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--green);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.hero__name {
  font-size: clamp(3rem, 9vw, 7rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 20px;
}

.hero__role {
  font-family: var(--mono);
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--text-muted);
  margin-bottom: 40px;
  min-height: 2em;
}

.typed { color: var(--text); }
.cursor {
  color: var(--green);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid var(--border);
  border-radius: 13px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.hero__scroll span {
  width: 4px; height: 8px;
  background: var(--green);
  border-radius: 2px;
  animation: scrollDown 2s ease infinite;
}

@keyframes scrollDown {
  0% { transform: translateY(0); opacity: 1; }
  80% { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--green);
  color: #000;
}
.btn--primary:hover {
  background: #00ff88;
  box-shadow: 0 0 24px rgba(0, 232, 122, 0.4);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
}
.btn--ghost:hover {
  background: var(--green-dim);
  transform: translateY(-1px);
}

.btn--full { width: 100%; justify-content: center; }

/* =========================================================
   SECTIONS
   ========================================================= */
.section { padding: 96px 0; }
.section--alt { background: var(--bg2); }

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 56px;
}

/* =========================================================
   ABOUT
   ========================================================= */
.about__grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: start;
}

.avatar-ring {
  width: 200px; height: 200px;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(135deg, var(--green), transparent 60%);
  flex-shrink: 0;
}

.avatar-placeholder {
  width: 100%; height: 100%;
  border-radius: 50%;
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--green);
  font-family: var(--mono);
}

.avatar-photo {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.about__text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  max-width: 560px;
}

.about__facts {
  display: flex;
  gap: 40px;
  margin: 32px 0;
  flex-wrap: wrap;
}

.fact { display: flex; flex-direction: column; }
.fact__number { font-size: 2rem; font-weight: 700; font-family: var(--mono); line-height: 1; }
.fact__label { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

/* =========================================================
   PROJECTS
   ========================================================= */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 232, 122, 0.08);
}

.card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card__icon { font-size: 1.8rem; }

.card__links {
  display: flex;
  gap: 12px;
}

.card__links a {
  color: var(--text-muted);
  transition: color var(--transition);
}
.card__links a:hover { color: var(--green); }

.card__title { font-size: 1.1rem; font-weight: 600; }

.card__desc { font-size: 0.88rem; color: var(--text-muted); flex: 1; }

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.tag {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid var(--green-mid);
  padding: 3px 10px;
  border-radius: 99px;
}

/* =========================================================
   SKILLS
   ========================================================= */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 36px;
  margin-bottom: 48px;
}

.skill-group__title {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 20px;
  color: var(--text-muted);
}

.skill-list { display: flex; flex-direction: column; gap: 14px; }

.skill-item { display: flex; flex-direction: column; gap: 6px; }

.skill-item__name { font-size: 0.88rem; font-weight: 500; }

.skill-bar {
  height: 4px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
}

.skill-bar__fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--green), #00ff88);
  border-radius: 99px;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-bar__fill.animate { width: var(--w); }

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.badge {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 14px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color var(--transition), color var(--transition);
}

.badge:hover {
  border-color: var(--green);
  color: var(--green);
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact__sub {
  color: var(--text-muted);
  margin-top: -36px;
  margin-bottom: 48px;
  max-width: 520px;
}

.contact__layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 60px;
  align-items: start;
}

.form { display: flex; flex-direction: column; gap: 20px; }

.form__group { display: flex; flex-direction: column; gap: 6px; }
.form__group label { font-size: 0.85rem; font-weight: 500; color: var(--text-muted); }

.form__group input,
.form__group textarea {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  outline: none;
  resize: vertical;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form__group input:focus,
.form__group textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-dim);
}

.form__group input::placeholder,
.form__group textarea::placeholder { color: var(--text-muted); }

.form__feedback {
  font-size: 0.88rem;
  min-height: 1.4em;
  transition: color var(--transition);
}

.form__feedback.success { color: var(--green); }
.form__feedback.error { color: #ff4d4d; }

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: 8px;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}

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

.contact-link__icon {
  width: 40px; height: 40px;
  background: var(--green-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  flex-shrink: 0;
}

.contact-link__label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.contact-link__value {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  text-align: center;
  padding: 28px 24px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* =========================================================
   ANIMATIONS — data-aos
   ========================================================= */
[data-aos] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 900px) {
  .about__grid {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    gap: 36px;
  }
  .about__text p { margin: 0 auto 16px; }
  .about__facts { justify-content: center; }
  .contact__layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact__info { flex-direction: row; flex-wrap: wrap; }
  .contact-link { flex: 1 1 220px; }
}

@media (max-width: 640px) {
  .nav__links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(13, 13, 13, 0.97);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 24px;
    gap: 24px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    transition: transform var(--transition);
  }
  .nav__links.open { transform: translateY(0); }
  .nav__burger { display: flex; }

  .hero__name { letter-spacing: -1px; }

  .skills__grid { grid-template-columns: 1fr; }
  .contact__info { flex-direction: column; }

  .section { padding: 72px 0; }
}