/* ---------- Rodrigo Lopez portfolio — shared styles ---------- */

:root {
  --bg: #F4F1EC;
  --bg-2: #EBE6DE;
  --ink: #1A1816;
  --ink-2: #3A3530;
  --mute: #7A726A;
  --line: #D9D3C9;
  --accent: oklch(0.62 0.12 45);
  --accent-soft: oklch(0.62 0.12 45 / 0.12);

  --font-sans: "Inter Tight", "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --max: 1440px;
  --pad: clamp(24px, 4vw, 72px);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.5;
  font-feature-settings: "ss01", "cv11";
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--bg); }

a { color: inherit; text-decoration: none; }

/* noise overlay for warmth */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.035;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* --------- Nav --------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--pad);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: background 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease, padding 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(244, 241, 236, 0.82);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--line);
  padding: 12px var(--pad);
}
.nav__left { display: flex; align-items: center; gap: 10px; }
.nav__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.7); opacity: 0.5; }
}
.nav__name { font-weight: 500; color: var(--ink); }
.nav__links { display: flex; gap: 28px; }
.nav__link {
  color: var(--ink-2);
  transition: color 0.2s;
  position: relative;
}
.nav__link:hover { color: var(--accent); }
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  height: 1px; width: 100%;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.7, 0, 0.3, 1);
}
.nav__link:hover::after { transform: scaleX(1); }

/* --------- Section shell --------- */
.section {
  padding: clamp(60px, 10vh, 120px) var(--pad);
  max-width: var(--max);
  margin: 0 auto;
}

.section__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section__label::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}

/* --------- Type --------- */
.display {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: clamp(42px, 7.8vw, 124px);
  line-height: 0.96;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.display em {
  font-style: italic;
  font-family: "Instrument Serif", "Times New Roman", serif;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.lede {
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  max-width: 28ch;
  color: var(--ink-2);
  text-wrap: pretty;
}

.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mute);
}

/* --------- Reveal on scroll --------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s cubic-bezier(0.2, 0.7, 0.2, 1),
              transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}
.reveal--delay-1 { transition-delay: 0.08s; }
.reveal--delay-2 { transition-delay: 0.16s; }
.reveal--delay-3 { transition-delay: 0.24s; }

.line-reveal {
  overflow: hidden;
  display: block;
}
.line-reveal > span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 1s cubic-bezier(0.22, 0.8, 0.2, 1);
}
.is-in .line-reveal > span,
.line-reveal.is-in > span {
  transform: none;
}

/* --------- Buttons / Links --------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 22px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, transform 0.25s;
  overflow: hidden;
  position: relative;
}
.btn:hover {
  background: var(--ink);
  color: var(--bg);
}
.btn__arrow {
  display: inline-block;
  transition: transform 0.3s;
}
.btn:hover .btn__arrow { transform: translateX(4px); }

/* --------- Placeholder tiles --------- */
.tile {
  position: relative;
  overflow: hidden;
  background: var(--bg-2);
  border-radius: 4px;
  aspect-ratio: 4 / 3;
  isolation: isolate;
}
.tile__stripes {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    transparent 0,
    transparent 14px,
    rgba(26, 24, 22, 0.06) 14px,
    rgba(26, 24, 22, 0.06) 15px
  );
}
.tile__meta {
  position: absolute;
  top: 14px; left: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
  background: var(--bg);
  padding: 4px 8px;
  border-radius: 2px;
  mix-blend-mode: multiply;
}
.tile__label {
  position: absolute;
  bottom: 16px; left: 16px; right: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-2);
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 12px;
}
.tile__label strong {
  font-weight: 500;
  color: var(--ink);
  font-size: 13px;
  letter-spacing: -0.01em;
  text-transform: none;
  font-family: var(--font-sans);
}
.tile[data-tint="terracotta"] { background: oklch(0.78 0.07 45); }
.tile[data-tint="sage"]       { background: oklch(0.82 0.04 140); }
.tile[data-tint="slate"]      { background: oklch(0.78 0.02 250); }
.tile[data-tint="cream"]      { background: oklch(0.9 0.03 80); }
.tile[data-tint="clay"]       { background: oklch(0.74 0.06 30); }
.tile[data-tint="ink"]        { background: oklch(0.32 0.02 60); }
.tile[data-tint="ink"] .tile__meta,
.tile[data-tint="ink"] .tile__label { color: var(--bg); mix-blend-mode: normal; background: transparent; }
.tile[data-tint="ink"] .tile__label strong { color: var(--bg); }
.tile[data-tint="ink"] .tile__stripes {
  background-image: repeating-linear-gradient(
    45deg,
    transparent 0, transparent 14px,
    rgba(244, 241, 236, 0.08) 14px, rgba(244, 241, 236, 0.08) 15px
  );
}

/* --------- Image tiles (real imagery) --------- */
.tile--img {
  background: var(--bg-2);
  width: 100%;
  max-width: 100%;
  aspect-ratio: 4 / 3;
}
.tile--img .tile__stripes { display: none; }
.tile--img > img,
.tile--img > video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  padding: 20px;
}
.tile--img[data-fit="cover"] > img,
.tile--img[data-fit="cover"] > video {
  object-fit: cover;
  padding: 0;
}
.tile--img[data-fit="contain-tight"] > img,
.tile--img[data-fit="contain-tight"] > video {
  padding: 0;
}
.tile--img[data-bg="dark"] { background: #0F0F12; }
.tile--img[data-bg="dark"] .tile__meta {
  color: var(--bg); background: rgba(0,0,0,0.4); mix-blend-mode: normal;
}
.tile--img[data-bg="dark"] .tile__label { color: var(--bg); }
.tile--img[data-bg="dark"] .tile__label strong { color: var(--bg); }
.tile--img[data-bg="light"] { background: #FFFFFF; }
.tile--img[data-bg="cream"] { background: oklch(0.96 0.015 80); }
.tile--img[data-bg="sand"]  { background: oklch(0.92 0.02 60); }
.tile--img[data-bg="sky"]   { background: #EEF2FF; }
.tile--img .tile__meta,
.tile--img .tile__label {
  z-index: 2;
  pointer-events: none;
}
.tile--img .tile__label {
  background: linear-gradient(to top, rgba(26,24,22,0.5), transparent);
  padding: 24px 16px 16px;
  left: 0; right: 0; bottom: 0;
  color: var(--bg);
}
.tile--img .tile__label strong { color: var(--bg); }
.tile--img[data-label="hidden"] .tile__label { display: none; }
.tile--img[data-label="hidden"] .tile__meta { display: none; }

/* --------- Footer --------- */
.footer {
  padding: clamp(80px, 12vh, 140px) var(--pad) 40px;
  max-width: var(--max);
  margin: 0 auto;
  border-top: 1px solid var(--line);
  margin-top: 40px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 80px;
}
.footer__huge {
  font-size: clamp(48px, 8vw, 128px);
  line-height: 0.9;
  letter-spacing: -0.035em;
  font-weight: 400;
}
.footer__huge a { display: inline-flex; align-items: center; gap: 0.15em; }
.footer__huge a:hover em { color: var(--accent); }
.footer__huge em {
  font-style: italic;
  font-family: "Instrument Serif", serif;
  color: var(--accent);
  transition: color 0.3s;
}
.footer__col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
  font-weight: 400;
  margin-bottom: 16px;
}
.footer__col ul { list-style: none; }
.footer__col li { margin-bottom: 8px; font-size: 15px; }
.footer__col a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
}
.footer__col a:hover { color: var(--accent); }
.footer__col a .arrow {
  opacity: 0;
  transform: translateX(-4px);
  transition: all 0.2s;
  font-family: var(--font-mono);
}
.footer__col a:hover .arrow { opacity: 1; transform: none; }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mute);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

@media (max-width: 780px) {
  .footer__grid { grid-template-columns: 1fr; gap: 40px; }
  .nav__links { display: none; }
  .nav__links.show-mobile { display: flex; gap: 16px; }
}

/* --------- Mobile nav toggle --------- */
.nav__toggle {
  display: none;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--line); border-radius: 2px;
  cursor: pointer;
  padding: 0;
  margin: 0;
}
.nav__toggle svg { width: 14px; height: 14px; display: block; color: var(--ink); }

@media (max-width: 780px) {
  .nav { padding: 14px 20px; }
  .nav__toggle { display: inline-flex; }
  .nav__links {
    display: none;
    position: fixed;
    top: 60px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 8px 20px 16px;
    z-index: 59;
  }
  .nav__links.is-open {
    display: flex;
  }
  .nav__links .nav__link {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
  }
  .nav__links .nav__link:last-child { border-bottom: none; }
}