/* =========================================================
   Persianas Express 24H — style.css
   Design premium: dark, dourado metálico, glassmorphism.
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  --bg-0: #090909;
  --bg-1: #111111;
  --bg-2: #1c1c1c;
  --gold: #d4af37;
  --gold-2: #e4c96f;
  --white: #ffffff;
  --muted: #bfbfbf;

  --radius: 14px;
  --radius-lg: 22px;
  --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 20px 50px rgba(0, 0, 0, 0.5);
  --shadow-gold: 0 10px 40px rgba(212, 175, 55, 0.25);

  --gradient-gold: linear-gradient(135deg, var(--gold) 0%, var(--gold-2) 100%);
  --gradient-dark: linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);

  --container: 1240px;
  --header-h: 76px;
}

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

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

body {
  font-family: "Montserrat", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--white);
  background: var(--bg-0);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { list-style: none; }

::selection { background: var(--gold); color: var(--bg-0); }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}
.container--narrow { max-width: 860px; }

.section {
  padding: 120px 0;
  position: relative;
}
.section--alt {
  background: var(--bg-1);
  background-image:
    radial-gradient(circle at 15% 20%, rgba(212, 175, 55, 0.06), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(212, 175, 55, 0.05), transparent 45%);
}

.section__head {
  max-width: 720px;
  margin: 0 auto 72px;
  text-align: center;
}
.section__title {
  font-size: clamp(1.9rem, 3.2vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-top: 14px;
}
.section__lead {
  margin-top: 16px;
  color: var(--muted);
  font-size: 1.05rem;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--gold);
}
.gold {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  white-space: nowrap;
  border: 1px solid transparent;
  will-change: transform;
}
.btn--lg { padding: 18px 36px; font-size: 1.05rem; }

.btn--gold {
  background: var(--gradient-gold);
  color: var(--bg-0);
  box-shadow: var(--shadow-gold);
}
.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 50px rgba(212, 175, 55, 0.4);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--white);
}
.btn--ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(212, 175, 55, 0.06);
}

.btn--whatsapp {
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.35);
  color: var(--gold);
  padding: 10px 18px;
  font-size: 0.85rem;
}
.btn--whatsapp:hover {
  background: var(--gold);
  color: var(--bg-0);
  transform: translateY(-1px);
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  transition: all var(--transition);
  background: transparent;
}
.header.is-scrolled {
  background: rgba(9, 9, 9, 0.75);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.logo__mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--gradient-gold);
  color: var(--bg-0);
  font-weight: 800;
  display: grid; place-items: center;
  box-shadow: var(--shadow-gold);
}
.logo__text em { font-style: normal; color: var(--gold); font-weight: 500; }

.nav__list {
  display: flex;
  gap: 6px;
}
.nav__link {
  position: relative;
  padding: 10px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  border-radius: 8px;
  transition: color var(--transition);
}
.nav__link::after {
  content: "";
  position: absolute;
  bottom: 4px; left: 14px; right: 14px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}
.nav__link:hover { color: var(--white); }
.nav__link:hover::after { transform: scaleX(1); transform-origin: left; }

.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.menu-toggle span {
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
.menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 80px) 0 100px;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(212, 175, 55, 0.10), transparent 45%),
    radial-gradient(ellipse at 80% 70%, rgba(212, 175, 55, 0.06), transparent 50%),
    var(--bg-0);
  z-index: -1;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
  min-height: calc(100vh - var(--header-h) - 180px);
}

.hero__title {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-top: 18px;
}
.hero__sub {
  margin-top: 20px;
  font-size: 1.25rem;
  color: var(--gold);
  font-weight: 500;
}
.hero__desc {
  margin-top: 18px;
  color: var(--muted);
  max-width: 520px;
  font-size: 1.02rem;
}
.hero__list {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
  max-width: 520px;
}
.hero__list li {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.95rem;
  color: var(--white);
}
.check {
  display: grid; place-items: center;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--gradient-gold);
  color: var(--bg-0);
  font-size: 0.72rem;
  font-weight: 800;
}
.hero__ctas {
  margin-top: 36px;
  display: flex; flex-wrap: wrap; gap: 14px;
}

.hero__media { position: relative; }
.hero__frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(212, 175, 55, 0.2);
  aspect-ratio: 4/5;
}
.hero__frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 800ms ease;
}
.hero__frame:hover img { transform: scale(1.04); }

.hero__badge {
  position: absolute;
  bottom: 24px; left: 24px;
  padding: 16px 22px;
  border-radius: var(--radius);
  display: flex; flex-direction: column;
}
.hero__badge strong {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}
.hero__badge span {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
}

/* Glassmorphism util */
.glass {
  background: rgba(28, 28, 28, 0.55);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ---------- Grids ---------- */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* ---------- Cards (benefícios) ---------- */
.card {
  padding: 36px 30px;
  background: var(--bg-2);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--gradient-gold);
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 0;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(212, 175, 55, 0.4);
  box-shadow: var(--shadow-md);
}
.card > * { position: relative; z-index: 1; }
.card__icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: var(--gold);
  display: grid; place-items: center;
  margin-bottom: 22px;
  transition: all var(--transition);
}
.card__icon svg {
  width: 26px; height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.card:hover .card__icon {
  background: var(--gradient-gold);
  color: var(--bg-0);
  transform: scale(1.05);
}
.card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.card p { color: var(--muted); font-size: 0.95rem; }

/* ---------- Compare (Screen) ---------- */
.compare {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 960px;
  margin: 0 auto;
}
.compare__card {
  padding: 44px 36px;
  border-radius: var(--radius-lg);
  position: relative;
  transition: transform var(--transition);
}
.compare__card:hover { transform: translateY(-6px); }
.compare__card header { margin-bottom: 24px; }
.compare__card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 12px;
}
.compare__card ul {
  display: grid; gap: 12px;
  margin: 24px 0 32px;
}
.compare__card ul li {
  padding-left: 26px;
  position: relative;
  color: var(--muted);
}
.compare__card ul li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  color: var(--gold);
  font-weight: 700;
}
.compare__card--featured {
  border-color: rgba(212, 175, 55, 0.35);
  box-shadow: var(--shadow-gold);
}
.tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}
.tag--gold {
  background: var(--gradient-gold);
  color: var(--bg-0);
}
.ribbon {
  position: absolute;
  top: 18px; right: 18px;
  padding: 6px 12px;
  background: var(--gradient-gold);
  color: var(--bg-0);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 999px;
}

/* ---------- Uses grid ---------- */
.grid--uses { gap: 18px; }
.use {
  padding: 44px 24px;
  text-align: center;
  border-radius: var(--radius);
  background: var(--bg-2);
  border: 1px solid rgba(255, 255, 255, 0.05);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  cursor: default;
}
.use:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-4px);
}

/* Stats */
.stats {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 40px;
  border-radius: var(--radius-lg);
  background: rgba(28, 28, 28, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.stat { text-align: center; }
.stat__num {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  background: var(--gradient-gold);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
}
.stat span:not(.stat__num) {
  font-size: 1.5rem;
  color: var(--gold);
  font-weight: 700;
  margin-left: 2px;
}
.stat p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---------- Timeline ---------- */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  counter-reset: step;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 32px; left: 12%; right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.5), transparent);
}
.timeline__step {
  text-align: center;
  padding: 24px;
  position: relative;
}
.timeline__num {
  display: grid; place-items: center;
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1px solid rgba(212, 175, 55, 0.4);
  color: var(--gold);
  font-weight: 800;
  font-size: 1.35rem;
  position: relative;
  z-index: 1;
  transition: all var(--transition);
}
.timeline__step:hover .timeline__num {
  background: var(--gradient-gold);
  color: var(--bg-0);
  transform: scale(1.08);
  box-shadow: var(--shadow-gold);
}
.timeline__step h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.timeline__step p { color: var(--muted); font-size: 0.9rem; }

/* ---------- Galeria ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}
.filter {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition);
}
.filter:hover { color: var(--white); border-color: rgba(212, 175, 55, 0.5); }
.filter.is-active {
  background: var(--gradient-gold);
  color: var(--bg-0);
  border-color: transparent;
}

.masonry {
  columns: 3;
  column-gap: 20px;
}
.masonry__item {
  break-inside: avoid;
  margin-bottom: 20px;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition);
}
.masonry__item img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform 600ms ease;
}
.masonry__item.tall img { aspect-ratio: 3 / 4; }
.masonry__item.wide img { aspect-ratio: 4 / 3; }
.masonry__item:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 175, 55, 0.4);
  box-shadow: var(--shadow-md);
}
.masonry__item:hover img { transform: scale(1.05); }


.masonry__item figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 20px;
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 500;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.masonry__item:hover figcaption { opacity: 1; }

/* ---------- Testimonials ---------- */
.testimonial {
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  transition: transform var(--transition);
}
.testimonial:hover { transform: translateY(-4px); }
.testimonial__head {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 16px;
}
.testimonial__head strong { display: block; font-weight: 600; font-size: 0.95rem; }
.testimonial__head span { font-size: 0.8rem; color: var(--muted); }
.avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--gradient-gold);
  color: var(--bg-0);
  font-weight: 700;
  font-size: 0.9rem;
}
.stars {
  color: var(--gold);
  letter-spacing: 4px;
  margin-bottom: 12px;
  font-size: 0.95rem;
}
.testimonial p {
  color: var(--muted);
  font-style: italic;
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 14px; }
.faq__item {
  background: var(--bg-2);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  padding: 4px 24px;
  transition: all var(--transition);
}
.faq__item[open] {
  border-color: rgba(212, 175, 55, 0.4);
  background: rgba(28, 28, 28, 0.8);
}
.faq__item summary {
  padding: 20px 0;
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
  gap: 20px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  color: var(--gold);
  font-size: 1.5rem;
  font-weight: 300;
  transition: transform var(--transition);
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p {
  padding: 0 0 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- CTA final ---------- */
.cta-final {
  padding: 120px 0;
  background:
    radial-gradient(ellipse at center, rgba(212, 175, 55, 0.15), transparent 60%),
    var(--bg-0);
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.cta-final__inner h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 18px 0 16px;
  line-height: 1.15;
}
.cta-final__inner p {
  color: var(--muted);
  margin-bottom: 36px;
  font-size: 1.05rem;
}

/* ---------- Footer ---------- */
.footer { padding: 80px 0 0; background: var(--bg-1); }
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
}
.footer h4 {
  font-size: 0.8rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 20px;
}
.footer__about {
  margin-top: 20px;
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 340px;
}
.footer__list { display: grid; gap: 10px; color: var(--muted); font-size: 0.9rem; }
.map {
  border-radius: var(--radius);
  overflow: hidden;
  height: 160px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(1) invert(0.9) contrast(0.85); }
.footer__base {
  margin-top: 60px;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
}

/* ---------- Floating actions ---------- */
.to-top {
  position: fixed;
  right: 24px; bottom: 24px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--gradient-gold);
  color: var(--bg-0);
  font-size: 1.1rem;
  font-weight: 700;
  box-shadow: var(--shadow-gold);
  opacity: 0; pointer-events: none;
  transform: translateY(20px);
  transition: all var(--transition);
  z-index: 90;
}
.to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.to-top:hover { transform: translateY(-3px); }

.wa-float {
  position: fixed;
  right: 24px; bottom: 84px;
  width: 56px; height: 56px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: #25d366;
  color: white;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition);
  z-index: 90;
}
.wa-float:hover { transform: scale(1.08); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 40px;
}
.lightbox.is-open { display: flex; animation: fadeIn 300ms ease; }
.lightbox__content {
  max-width: 900px; width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.3);
}
.lightbox__content > div { width: 100%; height: 100%; }
.lightbox__close {
  position: absolute; top: 24px; right: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  font-size: 1.5rem;
  display: grid; place-items: center;
  transition: background var(--transition);
}
.lightbox__close:hover { background: var(--gold); color: var(--bg-0); }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- Logo image ---------- */
.logo__img {
  height: 54px;
  width: auto;
  display: block;
  border-radius: 50%;
  filter: drop-shadow(0 4px 12px rgba(212, 175, 55, 0.25));
  transition: transform var(--transition);
}
.logo:hover .logo__img { transform: scale(1.03); }
.logo--footer .logo__img { height: 68px; }
@media (max-width: 600px) {
  .logo__img { height: 48px; }
}