/* =========================================================
   Luís Machado — personal site
   Clean, modern rebuild. No frameworks, no jQuery.
   ========================================================= */

:root {
  --accent: #f5793b;
  --accent-soft: rgba(245, 121, 59, 0.14);

  --bg: #0d0e12;
  --bg-elev: #14161d;
  --surface: #181b23;
  --surface-2: #1f232d;
  --text: #e8eaf0;
  --muted: #9aa1b0;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --shadow: 0 18px 50px -20px rgba(0, 0, 0, 0.7);
  --nav-bg: rgba(13, 14, 18, 0.72);
}

:root[data-theme="light"] {
  --accent: #e85d22;
  --accent-soft: rgba(232, 93, 34, 0.1);

  --bg: #ffffff;
  --bg-elev: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #f2f4f7;
  --text: #14161d;
  --muted: #5a6172;
  --border: rgba(0, 0, 0, 0.1);
  --border-strong: rgba(0, 0, 0, 0.16);
  --shadow: 0 18px 50px -24px rgba(20, 22, 29, 0.28);
  --nav-bg: rgba(255, 255, 255, 0.78);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4 {
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.02em;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--text); }

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

p { margin: 0 0 1rem; color: var(--muted); }
strong { color: var(--text); font-weight: 600; }

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 110px 0; }

/* ---- accent + helpers ---- */
.accent { color: var(--accent); }

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 14px;
  font-family: "Space Grotesk", sans-serif;
}

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
.section-head p { font-size: 1.05rem; margin: 0; }

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.nav.scrolled { border-bottom-color: var(--border); }

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.brand span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.25s ease;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { width: 100%; }

.nav-tools { display: flex; align-items: center; gap: 14px; }

.icon-btn {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.icon-btn:hover { background: var(--surface-2); border-color: var(--border-strong); }
.icon-btn svg { width: 18px; height: 18px; }

.theme-toggle .moon { display: none; }
:root[data-theme="light"] .theme-toggle .sun { display: none; }
:root[data-theme="light"] .theme-toggle .moon { display: block; }

.nav-burger { display: none; }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 24px;
  border-radius: 11px;
  font-weight: 600;
  font-size: 0.95rem;
  font-family: "Space Grotesk", sans-serif;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; }
.btn:hover { transform: translateY(-2px); }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { color: #fff; background: #ff8a4f; }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 130px 0 90px;
}
.hero::before {
  content: "";
  position: absolute;
  top: -20%; right: -10%;
  width: 60vw; height: 60vw;
  max-width: 760px; max-height: 760px;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 68%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.5;
  mask-image: radial-gradient(circle at 30% 20%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 30% 20%, #000 0%, transparent 70%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 50px;
  align-items: center;
}
.hero-visual {
  justify-self: end;
  width: 100%;
  max-width: 420px;
}
.stat-card {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, var(--surface), var(--bg-elev));
  box-shadow: var(--shadow);
  overflow: hidden;
}
.stat-card-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.stat-card-bar .dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--border-strong);
}
.stat-card-title {
  margin-left: auto;
  font-family: "Space Grotesk", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.stat { padding: 22px 24px; }
.stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--border); }
.stat:nth-child(1), .stat:nth-child(3) { border-right: 1px solid var(--border); }
.stat-num {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1;
}
.stat-num span { color: var(--accent); font-size: 1.1rem; margin-left: 2px; }
.stat-label { color: var(--muted); font-size: 0.84rem; margin-top: 8px; }
.stat-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 16px 18px;
  border-top: 1px solid var(--border);
}
.stat-foot span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 12px;
  border-radius: 999px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 15px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 28px;
}
.hero-tag .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #38d39f;
  box-shadow: 0 0 0 4px rgba(56, 211, 159, 0.18);
}

.hero h1 {
  font-size: clamp(2.7rem, 8vw, 5rem);
  margin-bottom: 14px;
}
.hero-role {
  font-size: clamp(1.3rem, 3.5vw, 2rem);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 500;
  color: var(--muted);
  min-height: 1.4em;
  margin-bottom: 26px;
}
.hero-role .typed { color: var(--text); }
.hero-role .cursor {
  display: inline-block;
  width: 3px;
  margin-left: 2px;
  background: var(--accent);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-intro {
  max-width: 620px;
  font-size: 1.1rem;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-bottom: 38px;
}

.socials { display: flex; gap: 12px; }
.socials a {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 11px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--surface);
  transition: all 0.2s ease;
}
.socials a:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-3px);
}
.socials svg { width: 20px; height: 20px; }

.scroll-hint {
  position: absolute;
  bottom: 30px; left: 50%;
  transform: translateX(-50%);
  color: var(--muted);
  z-index: 1;
  animation: bob 2s ease-in-out infinite;
}
.scroll-hint svg { width: 22px; height: 22px; }
@keyframes bob { 50% { transform: translate(-50%, 8px); } }

/* =========================================================
   ABOUT
   ========================================================= */
.about { background: var(--bg-elev); }
.about-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 60px;
  align-items: start;
}

.about-card {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  padding: 26px;
  box-shadow: var(--shadow);
  position: sticky;
  top: 100px;
}
.about-card .avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 14px;
  object-fit: cover;
  background: var(--surface-2);
  margin-bottom: 22px;
}
.about-card h3 { font-size: 1.25rem; margin-bottom: 4px; }
.about-card .role { color: var(--accent); font-size: 0.92rem; font-weight: 500; margin-bottom: 18px; }

.worked-label {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}
.logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}
.logos img {
  height: 22px;
  width: auto;
  opacity: 0.7;
  filter: grayscale(1);
  transition: all 0.2s ease;
}
:root[data-theme="dark"] .logos img,
:root:not([data-theme]) .logos img { filter: grayscale(1) brightness(0) invert(1); opacity: 0.55; }
.logos img:hover { opacity: 1; filter: none; }

.about-text h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 22px; }
.about-text p { font-size: 1.05rem; }
.about-text .btn { margin-top: 14px; }

/* =========================================================
   CAPABILITIES
   ========================================================= */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.cap {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  padding: 26px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.cap:hover { border-color: var(--border-strong); transform: translateY(-4px); }
.cap .ic {
  width: 44px; height: 44px;
  border-radius: 11px;
  display: grid; place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 16px;
}
.cap .ic svg { width: 22px; height: 22px; }
.cap h3 { font-size: 1.1rem; margin-bottom: 6px; }
.cap p { margin: 0; font-size: 0.96rem; }

/* =========================================================
   WORK
   ========================================================= */
.work { background: var(--bg-elev); }

.filters {
  display: flex;
  gap: 10px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.filter {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}
.filter:hover { color: var(--text); border-color: var(--border-strong); }
.filter.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card {
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface);
  cursor: pointer;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}
.card-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--surface-2);
}
.card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.card:hover .card-img img { transform: scale(1.05); }
.card-img.ph {
  display: grid;
  place-items: center;
  background:
    radial-gradient(120% 120% at 20% 0%, var(--accent-soft) 0%, transparent 55%),
    var(--surface-2);
}
.card-img.ph span {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 1.7rem;
  line-height: 1.05;
  text-align: center;
  letter-spacing: -0.02em;
  color: var(--accent);
  transition: transform 0.4s ease;
}
.card:hover .card-img.ph span { transform: scale(1.05); }
.card-body { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
.card-tag {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 8px;
}
.card-body h3 { font-size: 1.2rem; margin-bottom: 6px; }
.card-body p { margin: 0; font-size: 0.94rem; }
.card-more {
  margin-top: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card:hover .card-more { color: var(--accent); }

.card.is-hidden { display: none; }

/* =========================================================
   INTERESTS
   ========================================================= */
.interest-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.interest {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--border);
}
.interest img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.interest:hover img { transform: scale(1.06); }
.interest .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.1) 60%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: 22px;
}
.interest h3 { color: #fff; margin: 0; font-size: 1.3rem; }

/* =========================================================
   TESTIMONIALS
   ========================================================= */
.quotes { background: var(--bg-elev); overflow: hidden; }

/* Two auto-scrolling rows moving in opposite directions, edges faded out */
.marquees {
  display: flex;
  flex-direction: column;
  gap: 20px;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 8%, #000 92%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0, #000 8%, #000 92%, transparent 100%);
}
.marquee { overflow: hidden; }
.marquee-track {
  display: flex;
  width: max-content;
  will-change: transform;
  animation: marquee-scroll 62s linear infinite;
}
.marquee[data-dir="right"] .marquee-track {
  animation-direction: reverse;
  animation-duration: 74s;
}
.marquee:hover .marquee-track,
.marquee:focus-within .marquee-track { animation-play-state: paused; }

.quote {
  flex: 0 0 300px;
  width: 300px;
  margin-right: 20px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  padding: 26px;
}
.quote .mark { color: var(--accent); font-size: 2.4rem; line-height: 0.6; font-family: Georgia, serif; }
.quote p { color: var(--text); font-size: 1rem; margin: 14px 0 18px; }
.quote .who { margin-top: auto; font-weight: 600; font-family: "Space Grotesk", sans-serif; }
.quote .who span { display: block; color: var(--muted); font-weight: 400; font-size: 0.85rem; }

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee { overflow-x: auto; }
  .marquee-track { animation: none; }
  .marquees { -webkit-mask-image: none; mask-image: none; }
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 50px;
  align-items: start;
}
.contact-info h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-top: 26px;
}
.contact-item .ic {
  width: 44px; height: 44px;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.contact-item .ic svg { width: 20px; height: 20px; }
.contact-item h4 { margin: 0 0 2px; font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.contact-item p { margin: 0; color: var(--text); }
.contact-item a { color: var(--text); }
.contact-item a:hover { color: var(--accent); }

form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
form .field { margin-bottom: 16px; }
.input, .textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 11px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 0.98rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.input:focus, .textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.textarea { resize: vertical; min-height: 150px; }
.form-msg { margin-top: 14px; font-size: 0.95rem; min-height: 1.2em; }
.form-msg.success { color: #38d39f; }
.form-msg.error { color: #ff6b6b; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.footer p { margin: 0; font-size: 0.9rem; }
.footer .socials a { width: 38px; height: 38px; }
.footer .socials svg { width: 17px; height: 17px; }

/* =========================================================
   MODAL (native <dialog>)
   ========================================================= */
dialog {
  width: min(720px, 92vw);
  max-height: 88vh;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  color: var(--text);
  padding: 0;
  box-shadow: var(--shadow);
  overflow: hidden;
}
dialog::backdrop { background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(4px); }
.modal-scroll { overflow-y: auto; max-height: 88vh; padding: 34px; }
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  z-index: 2;
}
.modal-scroll h2 { font-size: 1.8rem; }
.modal-scroll > img {
  width: 100%;
  border-radius: 12px;
  margin: 6px 0 20px;
  border: 1px solid var(--border);
}
.modal-scroll .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  list-style: none;
  padding: 18px 0 0;
  margin: 18px 0 0;
  border-top: 1px solid var(--border);
}
.modal-scroll .meta li { font-size: 0.85rem; color: var(--muted); }
.modal-scroll .meta strong { display: block; color: var(--text); font-size: 0.95rem; }
.modal-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.modal-links .btn { padding: 10px 16px; font-size: 0.88rem; }
.modal-scroll ul.plain { padding-left: 18px; }
.modal-scroll ul.plain li { color: var(--muted); margin-bottom: 8px; }

/* =========================================================
   REVEAL ANIMATION
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .scroll-hint { animation: none; }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-card { position: static; max-width: 340px; }
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .work-grid { grid-template-columns: repeat(2, 1fr); }
  .interest-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .quote { flex-basis: 82vw; width: 82vw; max-width: 320px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  section { padding: 80px 0; }
  .nav-links {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
    transform: translateY(-130%);
    transition: transform 0.3s ease;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 14px 24px; }
  .nav-links a::after { display: none; }
  .nav-burger { display: grid; }
  .cap-grid, .work-grid, .interest-grid { grid-template-columns: 1fr; }
  .row2 { grid-template-columns: 1fr !important; }
  .hero { padding-top: 110px; }
  .footer-inner { flex-direction: column; text-align: center; }
}