/* ═══════════════════════════════════════════════════════
   TZA Stud/o — styles.css
   Paleta: verde #1c9176 · violeta #662b5d · fondo #070a09
═══════════════════════════════════════════════════════ */

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

:root {
  --bg:      #070a09;
  --surface: #0d1210;
  --border:  #1a2e28;
  --text:    #edf5f2;
  --muted:   #607a72;
  --accent:  #1c9176;
  --accent2: #662b5d;
  --font:    Helvetica, 'Helvetica Neue', Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent2); border-radius: 2px; }

/* ── CANVAS GLOBAL ── */
#global-canvas {
  position: fixed; inset: 0;
  width: 100vw; height: 100vh;
  pointer-events: none; z-index: 0;
}

/* ── SCROLL PATH ── */
#scroll-path-svg {
  position: fixed; top: 0; right: 28px;
  width: 2px; height: 100vh;
  pointer-events: none; z-index: 50; overflow: visible;
}
#scroll-path-track {
  fill: none; stroke: rgba(28,145,118,0.15);
  stroke-width: 20; stroke-linecap: round; vector-effect: non-scaling-stroke;
}
#scroll-path-fill {
  fill: none; stroke: var(--accent);
  stroke-width: 20; stroke-linecap: round; vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 5px rgba(28,145,118,0.8));
}
.scroll-dot {
  position: fixed; right: 22px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(28,145,118,.9), 0 0 24px rgba(28,145,118,.4);
  pointer-events: none; z-index: 51;
  top: 0; transform: translateY(-50%);
  opacity: 0; transition: opacity 0.3s;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.5rem 3rem;
  background: rgba(7,10,9,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(28,145,118,.10);
}
.nav-logo { display: flex; align-items: center; text-decoration: none; }
.nav-logo img { height: 44px; width: auto; display: block; filter: invert(1) brightness(2); }
.nav-links { display: flex; gap: 2.5rem; list-style: none; align-items: center; }
.nav-links a {
  color: var(--muted); text-decoration: none;
  font-size: .75rem; letter-spacing: .12em; text-transform: uppercase;
  transition: color .25s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-contact-btn {
  padding: .45rem 1.1rem;
  border: 1px solid var(--accent);
  color: var(--text) !important;
  transition: background .25s, color .25s !important;
}
.nav-contact-btn:hover { background: var(--accent) !important; color: var(--bg) !important; }

/* ── SCROLL SECTIONS ── */
.scroll-section {
  position: relative; z-index: 2;
  min-height: 100vh; display: flex; align-items: center;
  background: rgba(7,10,9,.72);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transform: scale(.88); opacity: .5;
  transition: transform .75s cubic-bezier(.16,1,.3,1), opacity .75s cubic-bezier(.16,1,.3,1);
  transform-origin: center;
  border-top: 1px solid transparent; border-bottom: 1px solid transparent;
}
.scroll-section.is-active {
  transform: scale(1); opacity: 1;
  border-color: rgba(28,145,118,.10);
}

/* Hero: siempre visible */
#hero { transform: scale(1) !important; opacity: 1 !important; align-items: flex-end; overflow: hidden; }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; }
#hero .section-inner { padding-bottom: 5rem; position: relative; z-index: 2; }

.section-inner {
  width: 100%; max-width: 1300px;
  margin: 0 auto; padding: 7rem 3rem;
}

/* ── MARQUEE ── */
.marquee-wrap {
  position: relative; z-index: 3; overflow: hidden;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: .9rem 0;
  background: rgba(13,18,16,.92); backdrop-filter: blur(8px);
}
.marquee-track { display: flex; width: max-content; animation: marquee 22s linear infinite; }
.marquee-item {
  display: flex; align-items: center; gap: 2rem; padding: 0 2rem;
  white-space: nowrap; font-size: .85rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted);
}
.marquee-item span { display: inline-block; width: 3px; height: 3px; border-radius: 50%; background: var(--accent2); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ── LABELS & TITLES ── */
.section-label {
  font-size: .66rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 2.5rem;
  display: flex; align-items: center; gap: 1rem;
}
.section-label::after { content: ''; flex: 1; max-width: 60px; height: 1px; background: var(--accent2); }
.section-title { font-size: clamp(2rem,4.5vw,3.8rem); font-weight: 700; line-height: 1.08; letter-spacing: -.02em; }
.section-title em { font-style: normal; color: var(--accent); }

/* ── HERO ── */
.hero-eyebrow { font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.5rem; }
.hero-title { font-size: clamp(3rem,8vw,7rem); font-weight: 700; line-height: .95; letter-spacing: -.03em; max-width: 14ch; }
.hero-title em { font-style: normal; color: var(--accent); }
.hero-sub { margin-top: 2.5rem; display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; }
.hero-desc { max-width: 38ch; color: var(--muted); font-size: .95rem; line-height: 1.7; }
.hero-cta {
  flex-shrink: 0; display: inline-flex; align-items: center; gap: .75rem;
  padding: .9rem 2rem; border: 1px solid var(--accent); color: var(--text);
  text-decoration: none; font-size: .76rem; letter-spacing: .12em; text-transform: uppercase;
  transition: background .25s, color .25s;
}
.hero-cta:hover { background: var(--accent); color: var(--bg); }
.hero-cta svg { transition: transform .25s; }
.hero-cta:hover svg { transform: translateX(4px); }

/* ── ABOUT ── */
.about-grid { display: grid !important; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: center; }
.about-img-frame {
  aspect-ratio: 3/4; background: var(--surface);
  border: 1px solid var(--border); position: relative; overflow: hidden;
}
.about-img-frame::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--surface) 0%, #0d1a16 100%);
}
.about-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.about-initials {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 5rem; font-weight: 700; color: var(--border); letter-spacing: .05em;
}
.about-tag {
  position: absolute; bottom: -1.5rem; right: -1.5rem;
  background: var(--accent); color: var(--bg);
  padding: .9rem 1.4rem; font-size: .66rem; letter-spacing: .15em;
  text-transform: uppercase; font-weight: 500;
}
.about-content .section-title { margin-bottom: 1.5rem; }
.about-body { color: var(--muted); font-size: .94rem; line-height: 1.8; margin-bottom: 2.5rem; }
.about-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.stat-num { font-size: 2.5rem; font-weight: 700; color: var(--accent); line-height: 1; }
.stat-label { font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-top: .4rem; }

/* ── PROJECTS ── */
.projects-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 4rem; gap: 2rem; }
.projects-header .section-title { margin: 0; }
.see-all {
  color: var(--muted); text-decoration: none; font-size: .76rem; letter-spacing: .12em;
  text-transform: uppercase; border-bottom: 1px solid var(--border); padding-bottom: 2px;
  transition: color .2s, border-color .2s; flex-shrink: 0;
}
.see-all:hover { color: var(--accent); border-color: var(--accent); }
.projects-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--border); }
.project-card { background: rgba(13,18,16,.95); overflow: hidden; position: relative; cursor: pointer; transition: transform .2s; }
.project-card:hover { transform: translateY(-2px); }
.project-thumb {
  aspect-ratio: 4/3; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
/* Cover images — se muestran cuando existen */
.project-cover {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0; transition: opacity .3s;
}
.project-cover.loaded { opacity: 1; }
.p1 { background: linear-gradient(135deg,#070e0c,#0f2420); }
.p2 { background: linear-gradient(135deg,#0d0712,#1e0f2a); }
.p3 { background: linear-gradient(135deg,#071209,#112416); }
.p4 { background: linear-gradient(135deg,#12071a,#2a1040); }
.p5 { background: linear-gradient(135deg,#071410,#0e2820); }
.p6 { background: linear-gradient(135deg,#0e0714,#241040); }
.thumb-label { font-size: 4rem; font-weight: 700; color: rgba(28,145,118,.07); user-select: none; position: relative; z-index: 1; }
.project-thumb::after { content: ''; position: absolute; inset: 0; background: var(--accent); opacity: 0; transition: opacity .35s; mix-blend-mode: screen; }
.project-card:hover .project-thumb::after { opacity: .08; }
.project-info { padding: 1.5rem; border-top: 1px solid var(--border); }
.project-cat { font-size: .62rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent2); margin-bottom: .5rem; }
.project-name { font-size: 1rem; font-weight: 500; margin-bottom: .4rem; }
.project-desc { font-size: .82rem; color: var(--muted); line-height: 1.6; }
.project-arrow {
  position: absolute; top: 1.2rem; right: 1.2rem;
  width: 32px; height: 32px; border: 1px solid var(--accent); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(6px); transition: opacity .25s, transform .25s;
}
.project-card:hover .project-arrow { opacity: 1; transform: translateY(0); }
.project-click-hint {
  position: absolute; bottom: .8rem; left: 50%; transform: translateX(-50%);
  font-size: .6rem; letter-spacing: .15em; text-transform: uppercase;
  color: var(--accent); opacity: 0; transition: opacity .25s;
}
.project-card:hover .project-click-hint { opacity: 1; }

/* ── SKILLS ── */
.skills-layout { display: grid !important; grid-template-columns: 1fr 2fr; gap: 6rem; align-items: start; }
.skills-intro .section-title { margin-bottom: 1.5rem; }
.skills-intro p { color: var(--muted); font-size: .92rem; line-height: 1.8; }
.skills-grid { display: grid; grid-template-columns: 1fr 1fr; }
.skill-group { padding: 2rem; border: 1px solid var(--border); margin: -1px 0 0 -1px; transition: background .2s; }
.skill-group:hover { background: rgba(28,145,118,.04); }
.skill-group-name { font-size: .66rem; letter-spacing: .15em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.2rem; }
.skill-list { list-style: none; display: flex; flex-direction: column; gap: .6rem; }
.skill-list li { display: flex; align-items: center; gap: .7rem; font-size: .88rem; color: var(--muted); }
.skill-list li::before { content: ''; width: 3px; height: 3px; border-radius: 50%; background: var(--accent2); flex-shrink: 0; }
.skill-bar-wrap { margin-top: 1.2rem; display: flex; flex-direction: column; gap: .6rem; }
.skill-bar-row { display: flex; align-items: center; gap: .8rem; }
.skill-bar-name { font-size: .8rem; color: var(--muted); min-width: 90px; }
.skill-bar { flex: 1; height: 2px; background: var(--border); border-radius: 1px; overflow: hidden; }
.skill-bar-fill {
  height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 1px; transform: scaleX(0); transform-origin: left;
  transition: transform 1s cubic-bezier(.16,1,.3,1);
}
.skill-bar-fill.animated { transform: scaleX(1); }

/* ── FOOTER ── */
footer {
  position: relative; z-index: 2; padding: 2rem 3rem;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  background: rgba(7,10,9,.97);
}
footer p { font-size: .75rem; color: var(--muted); }

/* ── MODAL BASE ── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 500;
  display: flex; align-items: center; justify-content: center; padding: 1.5rem;
  background: rgba(4,7,6,.92); backdrop-filter: blur(18px);
  opacity: 0; pointer-events: none; transition: opacity .35s ease;
}
.modal-overlay.is-open { opacity: 1; pointer-events: all; }
.modal-box {
  position: relative; width: 100%; max-width: 680px; max-height: 90vh; overflow-y: auto;
  background: #0d1210; border: 1px solid var(--border); padding: 3rem;
  transform: translateY(24px) scale(.97);
  transition: transform .4s cubic-bezier(.16,1,.3,1);
}
.modal-overlay.is-open .modal-box { transform: translateY(0) scale(1); }
.modal-close {
  position: absolute; top: 1.5rem; right: 1.5rem; background: none;
  border: 1px solid var(--border); color: var(--muted);
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: border-color .2s, color .2s;
}
.modal-close:hover { border-color: var(--accent); color: var(--text); }
.modal-eyebrow { font-size: .66rem; letter-spacing: .22em; text-transform: uppercase; color: var(--accent); margin-bottom: .8rem; }
.modal-title { font-size: clamp(1.8rem,4vw,2.6rem); font-weight: 700; line-height: 1.1; letter-spacing: -.02em; margin-bottom: .8rem; }
.modal-title em { font-style: normal; color: var(--accent); }
.modal-sub { font-size: .88rem; color: var(--muted); line-height: 1.6; }
.modal-header { padding-bottom: 2rem; border-bottom: 1px solid var(--border); margin-bottom: 2rem; }

/* ── CONTACT MODAL ── */
.contact-direct { display: flex; gap: 1.5rem; padding: 1.2rem 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin-bottom: 1.5rem; }
.contact-direct a { display: flex; align-items: center; gap: .6rem; color: var(--muted); text-decoration: none; font-size: .82rem; transition: color .2s; }
.contact-direct a:hover { color: var(--accent); }
.modal-form { display: flex; flex-direction: column; gap: 1.4rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
.form-group { display: flex; flex-direction: column; gap: .45rem; }
.form-group label { font-size: .64rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.form-group input, .form-group textarea, .form-group select {
  background: rgba(7,10,9,.7); border: 1px solid var(--border);
  color: var(--text); font-family: var(--font); font-size: .9rem; font-weight: 300;
  padding: .8rem 1rem; outline: none; transition: border-color .2s;
  width: 100%; appearance: none; -webkit-appearance: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--muted); opacity: .5; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 110px; }
.select-wrap { position: relative; display: flex; align-items: center; }
.select-wrap select { padding-right: 2.5rem; cursor: pointer; }
.select-arrow { position: absolute; right: 1rem; pointer-events: none; color: var(--muted); }
.form-submit {
  display: inline-flex; align-items: center; gap: .75rem;
  padding: .95rem 2.2rem; background: var(--accent); color: var(--bg);
  border: none; font-family: var(--font); font-size: .78rem;
  letter-spacing: .14em; text-transform: uppercase; cursor: pointer;
  transition: background .25s; align-self: flex-start;
}
.form-submit:hover { background: #22ad8d; }
.form-submit svg { transition: transform .25s; }
.form-submit:hover svg { transform: translateX(4px); }
.modal-success { display: none; flex-direction: column; align-items: center; text-align: center; padding: 3rem 0 1rem; gap: 1.2rem; }
.modal-success.visible { display: flex; }
.success-icon { width: 64px; height: 64px; border-radius: 50%; border: 1px solid rgba(28,145,118,.3); display: flex; align-items: center; justify-content: center; }
.modal-success h3 { font-size: 1.5rem; font-weight: 700; }
.modal-success p { font-size: .88rem; color: var(--muted); line-height: 1.6; }

/* ── PROJECT MODAL ── */
#project-modal .modal-box { max-width: 780px; }
.project-modal-hero {
  width: calc(100% + 6rem); margin: -3rem -3rem 2rem;
  aspect-ratio: 16/7; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.project-modal-cover {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0; transition: opacity .4s;
}
.project-modal-cover.loaded { opacity: 1; }
.project-modal-num { font-size: 8rem; font-weight: 700; color: rgba(28,145,118,.08); position: absolute; user-select: none; }
.project-modal-cat { font-size: .62rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent2); margin-bottom: .4rem; }
.project-modal-name { font-size: clamp(1.6rem,3.5vw,2.4rem); font-weight: 700; letter-spacing: -.02em; margin-bottom: 1.8rem; }
.process-tabs { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 2rem; }
.process-tab {
  padding: .7rem 1.4rem; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: color .2s, border-color .2s; background: none;
  border-top: none; border-left: none; border-right: none; font-family: var(--font);
}
.process-tab:hover { color: var(--text); }
.process-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.process-panels { min-height: 180px; }
.process-panel { display: none; }
.process-panel.active { display: block; }
.process-panel h4 { font-size: 1.1rem; font-weight: 600; margin-bottom: .8rem; color: var(--text); }
.process-panel > p { font-size: .9rem; color: var(--muted); line-height: 1.8; }
.process-images { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin-top: 1.2rem; }
.process-img-wrap {
  aspect-ratio: 16/10; background: var(--surface);
  border: 1px solid var(--border); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.process-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.process-img-wrap.no-img::after {
  content: 'Imagen próximamente';
  font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--border);
}
.process-img-wrap.no-img img { display: none; }

/* ── CURSOR ── */
.cursor {
  position: fixed; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); pointer-events: none; z-index: 9999;
  transform: translate(-50%,-50%); transition: width .2s, height .2s, background .2s;
  mix-blend-mode: screen; top: 0; left: 0;
}
.cursor.expand { width: 40px; height: 40px; background: rgba(28,145,118,.25); }

/* ── FADE UP ── */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  nav { padding: .5rem 1.5rem; } .nav-links { gap: 1.2rem; }
  .section-inner { padding: 5rem 1.5rem; }
  .about-grid { grid-template-columns: 1fr !important; gap: 3rem; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .skills-layout { grid-template-columns: 1fr !important; gap: 3rem; }
  footer { flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .modal-box { padding: 2rem; }
  .project-modal-hero { width: calc(100% + 4rem); margin: -2rem -2rem 2rem; }
  #scroll-path-svg { right: 10px; }
}
@media (max-width: 600px) {
  .projects-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .hero-sub { flex-direction: column; align-items: flex-start; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  #scroll-path-svg { display: none; } .scroll-dot { display: none; }
  .contact-direct { flex-direction: column; }
  .process-tabs { flex-wrap: wrap; }
  .process-images { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
  .fade-up { opacity: 1; transform: none; }
  .skill-bar-fill { transform: scaleX(1); }
  .scroll-section { transform: none !important; opacity: 1 !important; }
}