/* ============================================================
   Fabian Hernandez Flores — Portfolio
   Palette: dark maroon base + subtle triangle texture + gold accent
   ============================================================ */

:root {
  /* Maroon base */
  --maroon-900: #240505;
  --maroon-800: #2e0707;
  --maroon-700: #3a0a0a;
  --maroon-600: #4a1010;
  --maroon-500: #5c1717;

  /* Text */
  --cream:       #f1e3df;
  --cream-dim:   #d8bdb6;
  --rose-gray:   #b89a93;

  /* Accent */
  --gold:        #c9a227;
  --gold-soft:   #e0c463;

  /* UI */
  --line:        rgba(241, 227, 223, 0.10);
  --line-strong: rgba(241, 227, 223, 0.18);
  --card-bg:     rgba(60, 14, 14, 0.45);
  --card-bg-hi:  rgba(80, 20, 20, 0.6);

  --radius:      16px;
  --radius-sm:   10px;
  --maxw:        1080px;

  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  font-family: var(--font-body);
  color: var(--cream);
  line-height: 1.65;
  background-color: var(--maroon-800);
  /* Triangle texture (recolored from reference) + soft vertical depth */
  background-image:
    radial-gradient(1200px 600px at 50% -10%, rgba(120, 30, 30, 0.45), transparent 70%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='44' height='76' viewBox='0 0 44 76'%3E%3Crect width='44' height='76' fill='%232e0707'/%3E%3Cg fill='%23380a0a'%3E%3Cpath d='M0 0 L10 6 L0 12 Z'/%3E%3Cpath d='M0 19 L10 25 L0 31 Z'/%3E%3Cpath d='M0 38 L10 44 L0 50 Z'/%3E%3Cpath d='M0 57 L10 63 L0 69 Z'/%3E%3Cpath d='M22 9 L32 15 L22 21 Z'/%3E%3Cpath d='M22 28 L32 34 L22 40 Z'/%3E%3Cpath d='M22 47 L32 53 L22 59 Z'/%3E%3Cpath d='M22 66 L32 72 L22 78 Z'/%3E%3C/g%3E%3Cg fill='%23260606'%3E%3Cpath d='M12 9 L2 15 L12 21 Z'/%3E%3Cpath d='M12 28 L2 34 L12 40 Z'/%3E%3Cpath d='M12 47 L2 53 L12 59 Z'/%3E%3Cpath d='M34 0 L24 6 L34 12 Z'/%3E%3Cpath d='M34 19 L24 25 L34 31 Z'/%3E%3Cpath d='M34 38 L24 44 L34 50 Z'/%3E%3Cpath d='M34 57 L24 63 L34 69 Z'/%3E%3C/g%3E%3C/svg%3E");
  background-attachment: fixed;
  background-position: center top;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }

::selection { background: var(--gold); color: var(--maroon-900); }

/* Focus visibility for keyboard users */
:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 48px);
}

.section {
  padding-block: clamp(72px, 12vh, 130px);
  position: relative;
}

.section + .section { border-top: 1px solid var(--line); }

/* ============================================================
   Section headings
   ============================================================ */
.section__head { margin-bottom: clamp(32px, 5vw, 56px); max-width: 60ch; }
.section__head--center { margin-inline: auto; text-align: center; }

.section__index {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  opacity: 0.85;
}

.section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 4.5vw, 2.8rem);
  line-height: 1.1;
  margin-top: 6px;
  letter-spacing: -0.02em;
}

.section__sub {
  margin-top: 12px;
  color: var(--rose-gray);
  font-size: 1.02rem;
}

/* ============================================================
   Hero / About
   ============================================================ */
.section--hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
}

.hero { max-width: 760px; }

.hero__avatar {
  width: clamp(120px, 18vw, 168px);
  height: clamp(120px, 18vw, 168px);
  display: grid; place-items: center;
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 5vw, 3.2rem);
  color: var(--gold-soft);
  background: radial-gradient(circle at 30% 30%, var(--maroon-500), var(--maroon-800));
  border: 1px solid var(--line-strong);
  margin-bottom: 28px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.hero__eyebrow {
  font-family: var(--font-display);
  color: var(--gold);
  letter-spacing: 0.04em;
  font-size: 1rem;
  margin-bottom: 10px;
}

.hero__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 8vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  background: linear-gradient(180deg, var(--cream), var(--cream-dim));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__tagline {
  margin-top: 14px;
  font-size: clamp(1.05rem, 2.6vw, 1.4rem);
  color: var(--gold-soft);
  font-weight: 500;
}

.hero__about {
  margin-top: 24px;
  max-width: 60ch;
  color: var(--cream-dim);
  font-size: 1.08rem;
}

.hero__cta {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.18s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: var(--gold);
  color: var(--maroon-900);
}
.btn--primary:hover { background: var(--gold-soft); }

.btn--ghost {
  border-color: var(--line-strong);
  color: var(--cream);
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-soft); }

/* ============================================================
   Cards (shared)
   ============================================================ */
.card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  backdrop-filter: blur(2px);
}

/* ---------- Projects ---------- */
.projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}

.card--project {
  display: flex;
  flex-direction: column;
  min-height: 230px;
}
.card--project:hover {
  transform: translateY(-5px);
  border-color: var(--gold);
  background: var(--card-bg-hi);
}

.card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
.card__icon { width: 30px; height: 30px; color: var(--gold); }
.card__arrow {
  width: 20px; height: 20px;
  color: var(--rose-gray);
  transition: transform 0.2s ease, color 0.2s ease;
}
.card--project:hover .card__arrow {
  transform: translate(3px, -3px);
  color: var(--gold-soft);
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
}
.card__desc {
  margin-top: 10px;
  color: var(--cream-dim);
  font-size: 0.96rem;
  flex: 1;
}

/* ---------- Tags ---------- */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.tags li {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 5px 11px;
  border-radius: 999px;
  color: var(--cream-dim);
  background: rgba(201, 162, 39, 0.08);
  border: 1px solid rgba(201, 162, 39, 0.18);
}
.tags--lg li { font-size: 0.88rem; padding: 7px 14px; }

.projects__more { margin-top: 30px; }
.link-arrow {
  color: var(--gold-soft);
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.link-arrow:hover { border-color: var(--gold-soft); }

/* ============================================================
   Experience
   ============================================================ */
.experience {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.exp:hover {
  border-color: var(--gold);
  background: var(--card-bg-hi);
}

.exp__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 20px;
  margin-bottom: 16px;
}
.exp__role {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
}
.exp__at { color: var(--gold-soft); }
.exp__period {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--rose-gray);
  white-space: nowrap;
}

.exp__points li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  color: var(--cream-dim);
  font-size: 0.98rem;
}
.exp__points li:last-child { margin-bottom: 0; }
.exp__points li::before {
  content: "›";
  position: absolute;
  left: 4px;
  color: var(--gold);
}

/* ============================================================
   Skills
   ============================================================ */
.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}
.skills__label {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--gold-soft);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

/* ============================================================
   Currently Working On
   ============================================================ */
.now {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}
.now__label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 16px;
}
.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 12px currentColor;
}
.dot--learn { background: var(--gold);   color: var(--gold); }
.dot--build { background: #5fd0a8;        color: #5fd0a8; }
.dot--read  { background: #e08a8a;        color: #e08a8a; }

.now__list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  color: var(--cream-dim);
  font-size: 0.98rem;
}
.now__list li::before {
  content: "›";
  position: absolute;
  left: 4px;
  color: var(--gold);
}

/* ============================================================
   Contact
   ============================================================ */
.section--contact { padding-bottom: clamp(60px, 9vh, 100px); }
.contact__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 8px;
}
.contact__link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  max-width: 100%;
  padding: 16px 26px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--card-bg);
  color: var(--cream);
  font-weight: 500;
  transition: transform 0.18s ease, border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.contact__link span {
  min-width: 0;
  overflow-wrap: anywhere;
}
.contact__link svg { width: 22px; height: 22px; color: var(--gold); }
.contact__link:hover {
  transform: translateY(-3px);
  border-color: var(--gold);
  color: var(--gold-soft);
  background: var(--card-bg-hi);
}
.contact__link:hover svg { color: var(--gold-soft); }

@media (max-width: 520px) {
  .contact__link {
    width: 100%;
    justify-content: flex-start;
  }
}

/* ============================================================
   Scroll-progress rail (right side)
   ============================================================ */
.rail {
  position: fixed;
  top: 50%;
  right: clamp(16px, 2.5vw, 32px);
  transform: translateY(-50%);
  z-index: 90;
  pointer-events: none;
}

.rail__list {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(26px, 4.2vh, 46px);
}

/* Track line + gold fill share the same geometry; icon centers are 18px in */
.rail__list::before,
.rail__fill {
  content: "";
  position: absolute;
  left: 50%;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: 3px;
}
.rail__list::before {
  transform: translateX(-50%);
  background: var(--line-strong);
}
.rail__fill {
  transform-origin: top center;
  transform: translateX(-50%) scaleY(var(--rail-progress, 0));
  background: linear-gradient(var(--gold-soft), var(--gold));
  box-shadow: 0 0 10px rgba(201, 162, 39, 0.5);
  transition: transform 0.15s linear;
  z-index: 1;
}

.rail__link {
  pointer-events: auto;
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--rose-gray);
  background: var(--maroon-800);
  border: 1px solid var(--line-strong);
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.rail__link svg { width: 19px; height: 19px; }
.rail__link:hover {
  color: var(--cream);
  border-color: var(--gold);
  transform: scale(1.12);
}
.rail__link.is-active {
  color: var(--maroon-900);
  background: var(--gold);
  border-color: var(--gold);
  transform: scale(1.18);
  box-shadow: 0 0 14px rgba(201, 162, 39, 0.55);
}

.rail__tip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--cream);
  background: rgba(28, 4, 4, 0.92);
  border: 1px solid var(--line-strong);
  padding: 4px 10px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.rail__link:hover .rail__tip,
.rail__link:focus-visible .rail__tip { opacity: 1; }

@media (max-width: 980px) {
  .rail { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .rail__fill { transition: none; }
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  border-top: 1px solid var(--line);
  padding-block: 28px;
  color: var(--rose-gray);
  font-size: 0.88rem;
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
}

/* ============================================================
   Reveal-on-scroll animation
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}