/* ============================================
   VICTOR ELIZONDO — RESUME WEBSITE STYLES
   ============================================ */

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

:root {
  --color-bg:          #0a0e1a;
  --color-bg-2:        #0f1629;
  --color-bg-card:     #141b2d;
  --color-bg-card-2:   #1a2340;
  --color-accent:      #4f8ef7;
  --color-accent-2:    #7c5cbf;
  --color-accent-grad: linear-gradient(135deg, #4f8ef7, #7c5cbf);
  --color-text:        #e2e8f0;
  --color-text-muted:  #8892a4;
  --color-border:      #1e2d4a;
  --color-white:       #ffffff;
  --font-sans:         'Inter', system-ui, sans-serif;
  --font-mono:         'JetBrains Mono', monospace;
  --radius:            12px;
  --radius-sm:         8px;
  --shadow:            0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg:         0 8px 48px rgba(0,0,0,0.6);
  --transition:        all 0.3s cubic-bezier(0.4,0,0.2,1);
  --max-width:         1200px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- SCROLLBAR --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-accent); border-radius: 3px; }

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--color-accent-grad);
  color: var(--color-white);
  border-color: transparent;
}
.btn--primary:hover { opacity: 0.88; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(79,142,247,0.35); }

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

/* --- NAV --- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10,14,26,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.nav--scrolled { box-shadow: var(--shadow); }

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--color-accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__links a {
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: var(--transition);
}

.nav__links a:hover { color: var(--color-text); background: var(--color-bg-card); }

.nav__cta {
  background: var(--color-accent-grad) !important;
  color: var(--color-white) !important;
  padding: 0.4rem 1.1rem !important;
}
.nav__cta:hover { opacity: 0.85; background: var(--color-accent-grad) !important; }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- HERO --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 7rem 0 4rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(79,142,247,0.15) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 90% 80%, rgba(124,92,191,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: rgba(79,142,247,0.12);
  border: 1px solid rgba(79,142,247,0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.hero__badge::before { content: '●'; animation: pulse 2s infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero__name {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  color: var(--color-white);
}

.hero__name span {
  background: var(--color-accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__title {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 500;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}

.hero__summary {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 620px;
  margin-bottom: 1.75rem;
  line-height: 1.8;
}
.hero__summary strong { color: var(--color-text); }

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 2rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* --- STATS --- */
.stats {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 3rem 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat__number {
  display: block;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  background: var(--color-accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat__label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

/* --- SECTIONS --- */
.section {
  padding: 6rem 0;
}

.section--dark {
  background: var(--color-bg-2);
}

.section__header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section__tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.section__subtitle {
  color: var(--color-text-muted);
  margin-top: 0.75rem;
  font-size: 1.05rem;
}

/* --- SKILLS --- */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.skill-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
}

.skill-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(79,142,247,0.12);
}

.skill-card__icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.skill-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.skill-tags span {
  padding: 0.25rem 0.6rem;
  background: rgba(79,142,247,0.1);
  border: 1px solid rgba(79,142,247,0.2);
  border-radius: 100px;
  font-size: 0.78rem;
  color: var(--color-accent);
  font-weight: 500;
  font-family: var(--font-mono);
}

/* --- TIMELINE --- */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-accent-2), transparent);
}

.timeline__item {
  position: relative;
  margin-bottom: 2.5rem;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.timeline__item.visible {
  opacity: 1;
  transform: translateX(0);
}

.timeline__marker {
  position: absolute;
  left: -2.45rem;
  top: 1.4rem;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 2px solid var(--color-bg-2);
  box-shadow: 0 0 0 3px rgba(79,142,247,0.25);
}

.timeline__card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: var(--transition);
}

.timeline__card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 24px rgba(79,142,247,0.1);
}

.timeline__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.timeline__role {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.2rem;
}

.timeline__company {
  font-size: 0.9rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 0.15rem;
}

.timeline__project {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.timeline__date {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  font-family: var(--font-mono);
  background: var(--color-bg-card-2);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  height: fit-content;
}

.timeline__bullets {
  padding-left: 1.1rem;
  margin-bottom: 1.25rem;
}

.timeline__bullets li {
  list-style: disc;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0.4rem;
  line-height: 1.65;
}

.timeline__bullets li strong { color: var(--color-text); }

.timeline__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.timeline__tags span {
  padding: 0.2rem 0.55rem;
  background: rgba(124,92,191,0.12);
  border: 1px solid rgba(124,92,191,0.25);
  border-radius: 100px;
  font-size: 0.75rem;
  color: #a78bda;
  font-family: var(--font-mono);
  font-weight: 500;
}

/* --- PROJECTS --- */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(520px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-accent-grad);
}

.project-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.project-card__number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.project-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.project-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.project-card p strong { color: var(--color-text); }

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.project-card__tags span {
  padding: 0.2rem 0.55rem;
  background: rgba(79,142,247,0.1);
  border: 1px solid rgba(79,142,247,0.2);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
}

/* --- EDUCATION --- */
.education__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(460px, 1fr));
  gap: 1.5rem;
  max-width: 960px;
  margin: 0 auto;
}

.edu-card {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(16px);
}

.edu-card.visible { opacity: 1; transform: translateY(0); }

.edu-card:hover { border-color: var(--color-accent); }

.edu-card__icon { font-size: 2rem; flex-shrink: 0; }

.edu-card__body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.35rem;
}

.edu-card__school {
  font-size: 0.88rem;
  color: var(--color-accent);
  margin-bottom: 0.35rem;
}

.edu-card__date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

/* --- CERTIFICATIONS --- */
.certs__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.cert-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(16px);
}

.cert-card.visible { opacity: 1; transform: translateY(0); }

.cert-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(79,142,247,0.12);
}

.cert-card--patent {
  border-color: rgba(124,92,191,0.4);
  background: linear-gradient(135deg, var(--color-bg-card), rgba(124,92,191,0.08));
}

.cert-card--patent:hover { border-color: var(--color-accent-2); }

.cert-card__badge { font-size: 2rem; margin-bottom: 0.75rem; }

.cert-card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.35rem;
}

.cert-card p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.cert-card__id {
  display: block;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--color-accent-2);
  margin-bottom: 0.3rem;
}

.cert-card__date {
  display: block;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}

/* --- CONTACT --- */
.contact__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
  max-width: 900px;
  margin: 0 auto;
}

.contact__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.4rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem 1.25rem;
  transition: var(--transition);
}

.contact__card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(79,142,247,0.12);
}

.contact__icon { font-size: 1.75rem; }

.contact__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.contact__value {
  font-size: 0.88rem;
  color: var(--color-accent);
  font-weight: 500;
  word-break: break-all;
}

/* --- FOOTER --- */
.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  background: var(--color-accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* --- ANIMATIONS --- */
[data-aos] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-aos].visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--color-bg-2);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 1.5rem 1.5rem;
    gap: 0.25rem;
  }
  .nav__hamburger { display: flex; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .projects__grid { grid-template-columns: 1fr; }
  .education__grid { grid-template-columns: 1fr; }
  .timeline { padding-left: 1.5rem; }
  .timeline__header { flex-direction: column; }
  .timeline__date { align-self: flex-start; }
}

@media (max-width: 600px) {
  .hero { padding: 6rem 0 3rem; }
  .hero__meta { flex-direction: column; gap: 0.5rem; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
  .section { padding: 4rem 0; }
  .certs__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__grid { grid-template-columns: 1fr 1fr; }
  .edu-card { flex-direction: column; }
}

@media (max-width: 420px) {
  .certs__grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
}