/* ===== Guilherme Lima — Portfolio v2 (product-page aesthetic) ===== */
:root {
  --black: #000000;
  --ink: #1d1d1f;
  --gray: #86868b;
  --gray-2: #6e6e73;
  --line: #d2d2d7;
  --soft: #f5f5f7;
  --white: #ffffff;
  --accent: #2997ff;
  --accent-rgb: 41, 151, 255;
  --glow: 0.9;
  --maxw: 1020px;
  --ease: cubic-bezier(0.28, 0.11, 0.32, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Manrope', -apple-system, system-ui, sans-serif;
  color: var(--ink); background: var(--white);
  -webkit-font-smoothing: antialiased; line-height: 1.5;
  letter-spacing: -0.012em; overflow-x: hidden;
}
::selection { background: rgba(var(--accent-rgb), 0.22); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.wide { max-width: 1240px; }

h1, h2, h3 { font-weight: 700; letter-spacing: -0.03em; line-height: 1.05; }

/* ---- link with chevron ---- */
.link { color: var(--accent); font-size: clamp(17px, 2vw, 21px); font-weight: 500; display: inline-flex; align-items: center; gap: 2px; }
.link::after { content: '›'; font-size: 1.2em; transform: translateY(-1px); transition: transform 0.3s var(--ease); }
.link:hover { text-decoration: underline; text-underline-offset: 3px; }
.link:hover::after { transform: translate(3px, -1px); }

/* ---- pill button ---- */
.pill {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 600; padding: 12px 26px; border-radius: 980px;
  background: var(--accent); color: #fff; transition: filter 0.25s, transform 0.25s var(--ease);
}
.pill:hover { filter: brightness(1.08); }
.pill.dark { background: #fff; color: var(--ink); }
.pill.ghost { background: transparent; color: var(--accent); border: 1px solid rgba(var(--accent-rgb), 0.5); }

/* ---- Nav ---- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: 52px;
  display: flex; align-items: center; justify-content: center; gap: clamp(18px, 4vw, 44px);
  background: rgba(0, 0, 0, 0.001); backdrop-filter: saturate(180%) blur(0px);
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s; border-bottom: 1px solid transparent;
  color: #f5f5f7;
}
.nav.scrolled { background: rgba(22, 22, 24, 0.72); backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid rgba(255,255,255,0.08); }
.nav .nm { font-weight: 700; letter-spacing: -0.02em; font-size: 16px; white-space: nowrap; }
.nav a { font-size: 13px; color: rgba(245,245,247,0.85); transition: color 0.2s; font-weight: 500; }
.nav a:hover { color: #fff; }
.nav .sep { flex: none; }
@media (max-width: 680px) { .nav a.hide-sm { display: none; } }

/* ---- Hero ---- */
.hero { background: #000; color: #f5f5f7; text-align: center; padding: 110px 0 0; position: relative; overflow: hidden; }
.hero .overline { font-size: 19px; font-weight: 600; color: var(--accent); letter-spacing: 0; }
.hero h1 { font-size: clamp(54px, 11vw, 132px); font-weight: 700; margin: 6px 0 0; letter-spacing: -0.045em; }
.hero .tagline { font-size: clamp(21px, 3.4vw, 34px); font-weight: 500; color: #f5f5f7; margin-top: 10px; letter-spacing: -0.02em; }
.hero .sub { font-size: clamp(16px, 2vw, 19px); color: #a1a1a6; max-width: 600px; margin: 20px auto 0; }
.hero .cta { display: flex; gap: 26px; justify-content: center; align-items: center; margin-top: 30px; flex-wrap: wrap; }
.hero .cta .link { color: var(--accent); }

/* laptop stage */
.stage { position: relative; margin-top: 56px; padding-bottom: 90px; }
.stage .halo {
  position: absolute; left: 50%; top: 38%; width: 120%; height: 90%;
  transform: translateX(-50%); pointer-events: none; z-index: 0;
  background: radial-gradient(closest-side, rgba(var(--accent-rgb), calc(0.5 * var(--glow))), transparent 70%);
  filter: blur(20px);
}
/* ---- Hero carousel ---- */
.hcar { position: relative; z-index: 2; width: min(880px, 92vw); margin: 0 auto; will-change: transform; }
.hcar-viewport { overflow: hidden; border-radius: 16px; }
.hcar-track { display: flex; transition: transform 0.6s cubic-bezier(.6,.05,.1,1); }
.hcar-slide { flex: 0 0 100%; min-width: 0; padding: 0 2px; }
.browser {
  position: relative; border-radius: 14px; overflow: hidden; aspect-ratio: 16 / 10;
  background: #0b0e16; border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 40px 90px rgba(0,0,0,0.6), inset 0 0 0 1px rgba(255,255,255,0.03);
}
.browser .bar {
  position: absolute; top: 0; left: 0; right: 0; height: 36px; z-index: 4;
  display: flex; align-items: center; gap: 6px; padding: 0 14px;
  background: rgba(12,14,20,0.72); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.browser .bar .d { width: 9px; height: 9px; border-radius: 50%; background: #34363c; }
.browser .bar .d:nth-child(1) { background: #ff5f57; }
.browser .bar .d:nth-child(2) { background: #febc2e; }
.browser .bar .d:nth-child(3) { background: #28c840; }
.browser .bar .u {
  margin-left: 12px; font-size: 12px; color: rgba(245,245,247,0.62);
  font-family: ui-monospace, monospace; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.browser .shot { position: absolute; inset: 36px 0 0 0; }
.browser .shot image-slot { width: 100%; height: 100%; }
.browser .shot image-slot::part(frame) {
  background:
    radial-gradient(120% 110% at 70% 0%, hsla(var(--h),80%,60%,0.20), transparent 58%),
    linear-gradient(160deg, #0c1020, #070a12);
}
.browser .shot image-slot::part(empty) { color: rgba(245,245,247,0.62); }
.browser .shot image-slot::part(ring) { border-color: hsla(var(--h),60%,70%,0.3); }
.shot-link {
  position: absolute; inset: 0; z-index: 5; opacity: 0; pointer-events: none;
  display: grid; place-items: end center; padding-bottom: 18px;
  transition: opacity 0.25s; background: linear-gradient(to top, rgba(0,0,0,0.55), transparent 42%);
}
.hcar-slide.filled .shot-link { pointer-events: auto; cursor: pointer; }
.hcar-slide.filled .shot-link:hover { opacity: 1; }
.shot-link .go {
  font: 600 13px/1 'Manrope', sans-serif; letter-spacing: 0.04em; color: #fff;
  background: rgba(0,0,0,0.5); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.3); padding: 10px 18px; border-radius: 99px;
  display: inline-flex; align-items: center; gap: 7px;
}
.hcar-cap {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin-top: 18px; padding: 0 4px; text-align: left; flex-wrap: wrap;
}
.hcar-cap .meta { display: flex; align-items: center; gap: 12px; min-width: 0; }
.hcar-cap .car-tag {
  font: 600 12px/1 'Manrope', sans-serif; letter-spacing: 0.04em; color: hsl(var(--h),70%,70%);
  border: 1px solid hsla(var(--h),60%,60%,0.4); padding: 6px 11px; border-radius: 99px; white-space: nowrap;
}
.hcar-cap strong { font-size: clamp(18px,2.6vw,24px); font-weight: 600; color: #f5f5f7; letter-spacing: -0.02em; }
.hcar-cap .car-visit { font-size: 15px; font-weight: 600; color: var(--accent); white-space: nowrap; }
.hcar-cap .car-visit:hover { text-decoration: underline; }
.hcar-arrow {
  position: absolute; top: calc(50% - 36px); transform: translateY(-50%); z-index: 8;
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(20,22,28,0.8); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.16); color: #f5f5f7; cursor: pointer;
  transition: background 0.2s, transform 0.2s, opacity 0.2s;
}
.hcar-arrow:hover { background: rgba(40,44,54,0.95); }
.hcar-arrow:active { transform: translateY(-50%) scale(0.92); }
.hcar-arrow.prev { left: -10px; }
.hcar-arrow.next { right: -10px; }
.hcar-dots { display: flex; gap: 9px; justify-content: center; margin-top: 22px; }
.hcar-dots button {
  width: 8px; height: 8px; border-radius: 99px; border: 0; padding: 0; cursor: pointer;
  background: rgba(245,245,247,0.28); transition: background 0.25s, width 0.25s;
}
.hcar-dots button.active { background: var(--accent); width: 26px; }
@media (max-width: 560px) {
  .hcar-arrow { width: 40px; height: 40px; }
  .hcar-arrow.prev { left: 2px; }
  .hcar-arrow.next { right: 2px; }
  .hcar-cap { justify-content: center; text-align: center; }
}

/* ---- Section system ---- */
.sec { padding: clamp(90px, 14vw, 160px) 0; text-align: center; }
.sec.dark { background: #000; color: #f5f5f7; }
.sec.soft { background: var(--soft); }
.kicker { font-size: clamp(15px, 2vw, 19px); font-weight: 600; color: var(--accent); margin-bottom: 14px; }
.sec h2 { font-size: clamp(34px, 6vw, 72px); font-weight: 700; }
.sec .lead { font-size: clamp(19px, 2.6vw, 28px); color: var(--gray); max-width: 720px; margin: 22px auto 0; font-weight: 500; letter-spacing: -0.02em; }
.sec.dark .lead { color: #a1a1a6; }
.center-narrow { max-width: 760px; margin: 0 auto; }
.sec h2 .accent { color: var(--accent); }

/* statement triple */
.triple { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 70px; text-align: left; }
.triple .item { }
.triple .big { font-size: clamp(40px, 6vw, 68px); font-weight: 700; letter-spacing: -0.04em; }
.triple .big span { background: linear-gradient(120deg, var(--accent), #7db9ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.triple .cap { color: var(--gray); font-size: 16px; margin-top: 6px; max-width: 240px; }
.sec.dark .triple .cap { color: #a1a1a6; }

/* ---- Project feature rows ---- */
.feat { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 70px); align-items: center; text-align: left; margin-top: clamp(70px, 9vw, 120px); }
.feat:first-of-type { margin-top: 64px; }
.feat.rev .feat-media { order: 2; }
.feat-media {
  position: relative; border-radius: 22px; overflow: hidden; aspect-ratio: 16 / 11;
  background: #0a0d16; box-shadow: 0 30px 70px rgba(0,0,0,0.14); border: 1px solid var(--line);
}
.sec.dark .feat-media { border-color: rgba(255,255,255,0.1); box-shadow: 0 30px 80px rgba(0,0,0,0.5); }
.feat-media .bar { position: absolute; top: 0; left: 0; right: 0; height: 32px; z-index: 4; display: flex; align-items: center; gap: 6px; padding: 0 13px; background: rgba(255,255,255,0.65); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.sec.dark .feat-media .bar { background: rgba(12,14,20,0.7); border-color: rgba(255,255,255,0.08); }
.feat-media .bar .d { width: 9px; height: 9px; border-radius: 50%; background: #c9ccd2; }
.sec.dark .feat-media .bar .d { background: #34363c; }
.feat-media .bar .u { margin-left: 10px; font-size: 11px; color: var(--gray); font-family: ui-monospace, monospace; }
.feat-media image-slot { position: absolute; inset: 32px 0 0 0; width: 100%; height: auto; }
.feat-media .art { position: absolute; inset: 32px 0 0 0; display: grid; place-items: center; }
.feat-tag { font-size: 14px; font-weight: 600; color: var(--accent); }
.feat h3 { font-size: clamp(28px, 4vw, 46px); margin: 12px 0 16px; letter-spacing: -0.03em; }
.feat p { font-size: clamp(16px, 2vw, 19px); color: var(--gray-2); max-width: 460px; margin-bottom: 22px; }
.sec.dark .feat p { color: #a1a1a6; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.chips span { font-size: 13px; font-weight: 500; color: var(--gray-2); border: 1px solid var(--line); padding: 5px 13px; border-radius: 980px; }
.sec.dark .chips span { color: #c7c7cc; border-color: rgba(255,255,255,0.16); }

/* ---- Specs / skills tiles ---- */
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 64px; text-align: left; }
.tile { background: #fff; border-radius: 22px; padding: 34px 30px; border: 1px solid var(--line); }
.sec.soft .tile { background: #fff; }
.tile .th { font-size: 13px; font-weight: 600; color: var(--accent); letter-spacing: 0.02em; text-transform: uppercase; }
.tile h4 { font-size: 23px; font-weight: 700; margin: 8px 0 16px; letter-spacing: -0.02em; }
.tile .list { display: flex; flex-wrap: wrap; gap: 8px; }
.tile .list span { font-size: 14px; color: var(--gray-2); background: var(--soft); padding: 6px 12px; border-radius: 10px; }

/* numbers strip */
.nums { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 64px; }
.nums .n { font-size: clamp(44px, 7vw, 84px); font-weight: 700; letter-spacing: -0.05em; }
.nums .n span { color: var(--accent); }
.nums .c { color: var(--gray); font-size: 15px; margin-top: 2px; }
.sec.dark .nums .c { color: #a1a1a6; }

/* ---- Contact ---- */
.contact-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }
.contact-mail { display: inline-block; margin-top: 26px; font-size: clamp(18px, 2.6vw, 26px); color: var(--accent); font-weight: 500; }

/* ---- Footer ---- */
.foot { background: var(--soft); color: var(--gray); font-size: 12px; padding: 34px 0; border-top: 1px solid var(--line); }
.foot .fi { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center; }
.foot a:hover { color: var(--ink); }

/* ---- Reveal (visible by default; animates only when page visible) ---- */
.rv { transition: opacity 1s var(--ease), transform 1s var(--ease); }
html.js-anim .rv { opacity: 0; transform: translateY(34px); }
html.js-anim .rv.in { opacity: 1; transform: none; }
html.js-anim .rv.zoom { transform: scale(0.94); }
html.js-anim .rv.zoom.in { transform: none; }
.rv.d1 { transition-delay: 0.1s; } .rv.d2 { transition-delay: 0.2s; } .rv.d3 { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) { .rv { transition: none; } }

/* ---- Responsive ---- */
@media (max-width: 820px) {
  .triple { grid-template-columns: 1fr; gap: 40px; }
  .feat { grid-template-columns: 1fr; gap: 26px; }
  .feat.rev .feat-media { order: 0; }
  .tiles { grid-template-columns: 1fr; }
  .nums { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
}