/* samir.tf — atelier técnico noturno-claro */
@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;1,400&family=Syne:wght@600;700;800&display=swap");

:root {
  --bg-0: #0e1418;
  --bg-1: #152028;
  --bg-2: #1c2a33;
  --ink: #e8eef2;
  --ink-muted: #9aafbc;
  --ink-faint: #6b8291;
  --accent: #3ecfb0;
  --accent-dim: #1f8f7a;
  --amber: #d4a05a;
  --line: rgba(232, 238, 242, 0.1);
  --line-strong: rgba(232, 238, 242, 0.18);
  --surface: rgba(255, 255, 255, 0.03);
  --radius: 2px;
  --font-display: "Syne", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --max: 1080px;
  --nav-h: 4.25rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
}

/* Atmosphere: gradient + subtle grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 90% 60% at 15% -10%, rgba(62, 207, 176, 0.14), transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 10%, rgba(212, 160, 90, 0.08), transparent 50%),
    radial-gradient(ellipse 80% 40% at 50% 100%, rgba(28, 42, 51, 0.9), transparent 60%),
    linear-gradient(165deg, var(--bg-0) 0%, var(--bg-1) 45%, #101820 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.35;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  mix-blend-mode: overlay;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.2s var(--ease);
}

a:hover {
  color: #7aecd4;
}

/* --- Layout --- */
.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  backdrop-filter: blur(14px);
  background: rgba(14, 20, 24, 0.72);
  border-bottom: 1px solid var(--line);
}

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

.brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover {
  color: var(--accent);
}

.nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-decoration: none;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
}

.nav a[aria-current="page"] {
  color: var(--accent);
}

.site-footer {
  margin-top: 5rem;
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
}

.site-footer a {
  color: var(--ink-muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--accent);
}

/* --- Type --- */
.display {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.lede {
  font-size: 1.15rem;
  color: var(--ink-muted);
  max-width: 36rem;
  margin: 0;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
}

.section-lede {
  color: var(--ink-muted);
  margin: 0 0 2rem;
  max-width: 34rem;
}

.placeholder {
  color: var(--ink-faint);
  font-style: italic;
  border-left: 2px solid var(--amber);
  padding-left: 0.85rem;
  margin: 0.75rem 0 0;
}

/* --- Buttons --- */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.35rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #06221c;
  font-weight: 500;
}

.btn-primary:hover {
  background: #7aecd4;
  border-color: #7aecd4;
  color: #06221c;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* --- Hero (home) --- */
.hero {
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  align-items: end;
  padding: 3rem 0 4.5rem;
  position: relative;
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: end;
}

@media (min-width: 860px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
  }
}

.hero-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.4rem, 12vw, 6.5rem);
  letter-spacing: -0.06em;
  line-height: 0.92;
  margin: 0 0 1rem;
  background: linear-gradient(120deg, var(--ink) 40%, var(--accent) 120%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 0.85rem;
  max-width: 22ch;
}

.hero-visual {
  position: relative;
  min-height: 280px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(62, 207, 176, 0.12), transparent 40%),
    linear-gradient(320deg, rgba(212, 160, 90, 0.1), transparent 45%),
    var(--bg-2);
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 12% 10% auto auto;
  width: 46%;
  aspect-ratio: 1;
  border: 1px solid rgba(62, 207, 176, 0.35);
  border-radius: 50%;
  animation: orbit-pulse 7s var(--ease) infinite;
}

.hero-visual::after {
  content: "";
  position: absolute;
  left: 8%;
  bottom: 18%;
  width: 62%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.55;
}

.hero-visual-label {
  position: absolute;
  left: 1.25rem;
  bottom: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

@keyframes orbit-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.08);
    opacity: 1;
  }
}

/* Hero entrance */
.hero .reveal-brand,
.hero .reveal-copy,
.hero .reveal-visual {
  opacity: 0;
  transform: translateY(18px);
  animation: rise-in 0.9s var(--ease) forwards;
}

.hero .reveal-brand {
  animation-delay: 0.05s;
}

.hero .reveal-copy {
  animation-delay: 0.22s;
}

.hero .reveal-visual {
  animation-delay: 0.35s;
}

@keyframes rise-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Page shells --- */
.page-hero {
  padding: 3.5rem 0 2.5rem;
}

.page-hero .display {
  font-size: clamp(2.4rem, 7vw, 4rem);
}

.page-section {
  padding: 2.5rem 0;
}

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

/* --- About --- */
.about-block h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.about-block p {
  margin: 0.5rem 0 0;
  color: var(--ink-muted);
  max-width: 40rem;
}

.about-grid {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 760px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

/* --- Projects list --- */
.project-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.project-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem 1.25rem;
  align-items: center;
  padding: 1.15rem 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: background 0.25s var(--ease), padding-left 0.25s var(--ease);
}

.project-row:last-child {
  border-bottom: 1px solid var(--line);
}

.project-row:hover {
  background: var(--surface);
  padding-left: 0.65rem;
}

.project-row:hover .project-name {
  color: var(--accent);
}

.project-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  object-fit: cover;
  background: var(--bg-2);
  border: 1px solid var(--line);
}

.project-icon-fallback {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--accent);
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
}

.project-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  margin: 0 0 0.2rem;
  transition: color 0.2s var(--ease);
}

.project-tagline {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
  line-height: 1.4;
}

.project-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}

.status {
  display: inline-block;
  padding: 0.2rem 0.45rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}

.status-publicado {
  color: var(--accent);
  border-color: rgba(62, 207, 176, 0.35);
}

.status-docs {
  color: var(--amber);
  border-color: rgba(212, 160, 90, 0.35);
}

@media (max-width: 640px) {
  .project-row {
    grid-template-columns: auto 1fr;
  }

  .project-meta {
    grid-column: 2;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}

/* --- Project detail --- */
.project-hero {
  display: grid;
  gap: 1.75rem;
  padding: 3rem 0 2rem;
  align-items: start;
}

@media (min-width: 720px) {
  .project-hero {
    grid-template-columns: auto 1fr;
    gap: 2rem;
  }
}

.project-hero-icon {
  width: 88px;
  height: 88px;
  border-radius: 18px;
  object-fit: cover;
  border: 1px solid var(--line-strong);
  background: var(--bg-2);
}

.project-hero-icon-fallback {
  width: 88px;
  height: 88px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--accent);
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
}

.project-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0 0 0.65rem;
}

.highlight-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.highlight-list li {
  position: relative;
  padding-left: 1.15rem;
  color: var(--ink-muted);
}

.highlight-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.45rem;
  height: 0.45rem;
  background: var(--accent);
  border-radius: 1px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1rem 0 0;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border: 1px solid var(--line);
  padding: 0.25rem 0.5rem;
}

.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.legal-links a {
  color: var(--ink-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.legal-links a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-decoration: none;
  margin-bottom: 1.5rem;
}

.back-link:hover {
  color: var(--accent);
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  .hero .reveal-brand,
  .hero .reveal-copy,
  .hero .reveal-visual,
  .reveal {
    opacity: 1;
    transform: none;
    animation: none;
    transition: none;
  }

  .hero-visual::before {
    animation: none;
  }
}