/* ===== Design tokens ===== */
:root {
  --logo-dark: #111318;
  --logo-gold: #FFC30B;
  --concrete: #1c1b19;     /* near-black charcoal */
  --slate: #2e2c28;
  --paper: #f4f1ea;        /* warm off-white */
  --paper-2: #e8e3d8;
  --accent: #f5c200;       /* logo gold */
  --accent-dark: #c99a00;
  --ink: #1c1b19;
  --muted: #6b6657;
  --maxw: 1140px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Sora", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: "Archivo", sans-serif; line-height: 1.05; letter-spacing: -0.02em; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  font-family: "Archivo", sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.85rem;
  text-decoration: none;
  padding: 0.9rem 1.8rem;
  border: 2px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--accent { background: var(--accent); color: #fff; }
.btn--accent:hover { background: var(--accent-dark); }
.btn--ghost { background: transparent; color: #fff; border-color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--concrete); }

/* ===== Top bar ===== */
.topbar { background: var(--logo-dark); color: var(--paper-2); font-size: 0.8rem; }
.topbar__inner { display: flex; justify-content: space-between; align-items: center; padding: 0.5rem 1.5rem; }
.social a { color: var(--paper-2); text-decoration: none; margin-left: 0.75rem; font-weight: 600; }
.social a:hover { color: var(--accent); }

/* ===== Header ===== */
.header { background: var(--logo-dark); position: sticky; top: 0; z-index: 50; }
.header__inner { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.5rem; }
.logo { font-family: "Archivo", sans-serif; font-weight: 900; color: #fff; text-decoration: none; font-size: 1.2rem; letter-spacing: 0.02em; }
.logo__img { height: 48px; width: auto; display: block; object-fit: contain; }
.nav a { color: var(--paper-2); text-decoration: none; margin-left: 1.5rem; font-size: 0.9rem; font-weight: 500; }
.nav a:hover { color: var(--accent); }

/* ===== Hero ===== */
.hero {
  background:
    linear-gradient(rgba(28,27,25,0.78), rgba(28,27,25,0.88)),
    repeating-linear-gradient(45deg, #2e2c28 0 20px, #262420 20px 40px);
  color: #fff;
  padding: 7rem 0;
}
.hero__inner--2col { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.hero__img-col { display: flex; justify-content: center; align-items: center; }
.hero__logo-img { max-width: 100%; width: 420px; border-radius: 8px; }
.hero__title { font-size: clamp(2.5rem, 7vw, 5rem); font-weight: 900; text-transform: uppercase; }
.hero__title::after { content: ""; display: block; width: 80px; height: 6px; background: var(--accent); margin-top: 1.2rem; }
.hero__lead { max-width: 46ch; margin: 1.5rem 0 2.5rem; font-size: 1.15rem; color: var(--paper-2); }

/* ===== Sections ===== */
section { padding: 5rem 0; }
.section-title { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 900; text-transform: uppercase; margin-bottom: 2.5rem; }
.section-title--light { color: #fff; }
.section-title::before { content: "// "; color: var(--accent); }

/* ===== Grid ===== */
.grid { display: grid; gap: 2rem; }
.grid--2 { grid-template-columns: 1fr 1fr; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ===== Services ===== */
.services { background: var(--paper-2); }
.service { background: var(--concrete); color: #fff; padding: 2rem 1.5rem; text-align: center; transition: transform 0.2s ease; }
.service:hover { transform: translateY(-6px); }
.service__icon {
  width: 56px; height: 56px; margin: 0 auto 1.2rem;
  display: grid; place-items: center;
  background: var(--accent); color: #fff;
  font-family: "Archivo", sans-serif; font-weight: 900; font-size: 1.5rem;
}
.service__icon i { width: 28px; height: 28px; stroke: #fff; stroke-width: 1.75; }
.service h3 { font-size: 1rem; font-weight: 600; }
.cta-band {
  margin-top: 3rem; padding: 2.5rem;
  background: var(--concrete); color: #fff;
  display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap;
}
.cta-band p { font-family: "Archivo", sans-serif; font-weight: 800; font-size: 1.4rem; }

/* ===== About ===== */
.about h3 { margin: 1.5rem 0 0.4rem; font-size: 1.1rem; color: var(--accent-dark); }
.stats { display: flex; flex-direction: column; gap: 1.5rem; justify-content: center; }
.stat { background: var(--concrete); color: #fff; padding: 2rem; text-align: center; }
.stat__value { display: block; font-family: "Archivo", sans-serif; font-weight: 900; font-size: 3.5rem; color: var(--accent); line-height: 1; }
.stat__label { text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.85rem; }

/* ===== Projects ===== */
.project {
  perspective: 1000px;
  height: 320px;
  cursor: pointer;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}
.project:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.project__inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}
.project.is-flipped .project__inner { transform: rotateY(180deg); }

.project__front,
.project__back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  overflow: hidden;
}

.project__front {
  background: #fff;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
}
.project__img { flex: 1; background-size: cover; background-position: center; background-color: var(--paper-2); }
.project__body { padding: 1.25rem 1.5rem; }
.project__body h3 { font-size: 1.1rem; }
.project__body p { color: var(--muted); font-size: 0.9rem; }

.project__back {
  background: var(--concrete);
  color: #fff;
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem 1.75rem;
  gap: 0.75rem;
}
.project__back h3 { font-size: 1.15rem; color: var(--accent); }
.project__back-location { font-size: 0.85rem; color: var(--paper-2); text-transform: uppercase; letter-spacing: 0.04em; }
.project__back-desc { font-size: 0.95rem; line-height: 1.65; color: var(--paper-2); }

/* ===== Equipment ===== */
.equip { background: var(--concrete); color: #fff; }
.equip__inner { max-width: 60ch; }
.equip p { margin: 1rem 0 2rem; color: var(--paper-2); }

/* ===== Contact ===== */
.form { display: flex; flex-direction: column; gap: 1rem; }
.form input, .form textarea {
  font-family: "Sora", sans-serif; font-size: 1rem;
  padding: 0.9rem 1rem; border: 2px solid var(--paper-2); background: #fff;
}
.form input:focus, .form textarea:focus { outline: none; border-color: var(--accent); }
.form button { align-self: flex-start; cursor: pointer; }
.contact__info h3 { margin: 1.5rem 0 0.3rem; color: var(--accent-dark); }
.contact__phone { font-family: "Archivo", sans-serif; font-weight: 900; font-size: 1.6rem; }
.contact__whatsapp { display: inline-flex; align-items: center; gap: 0.4rem; color: #25D366; text-decoration: none; }
.contact__whatsapp:hover { color: #128C7E; }

/* ===== Footer ===== */
.footer { background: var(--concrete); color: var(--paper-2); padding: 2rem 0; font-size: 0.85rem; }

/* ===== Members section ===== */
.members { background: var(--paper); }
.members__grid { align-items: start; }

.member-card {
  background: #fff;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.member-card__photo {
  height: 400px;
  background-size: cover;
  background-position: center top;
  background-color: var(--paper-2);
}
.member-card__body { padding: 2rem; display: flex; flex-direction: column; gap: 0.75rem; flex: 1; }
.member-card__title {
  font-family: "Archivo", sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-dark);
}
.member-card__body h3 { font-size: 1.3rem; line-height: 1.2; }
.member-card__bio { color: var(--muted); font-size: 0.95rem; line-height: 1.65; flex: 1; }
.member-card__cta { margin-top: 0.5rem; align-self: flex-start; }

/* ===== Profile page ===== */
.profile { padding: 4rem 0 6rem; }
.profile__inner { max-width: 860px; }
.profile__back {
  display: inline-block;
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent-dark);
  text-decoration: none;
  margin-bottom: 2.5rem;
}
.profile__back:hover { color: var(--concrete); }
.profile__hero {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 3rem;
  align-items: start;
  margin-bottom: 3.5rem;
}
.profile__photo {
  width: 100%;
  aspect-ratio: 3/4;
  background-size: cover;
  background-position: center top;
  background-color: var(--paper-2);
  box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}
.profile__label {
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent-dark);
  margin-bottom: 0.5rem;
}
.profile__name { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 1rem; }
.profile__bio { color: var(--muted); font-size: 1rem; line-height: 1.7; }
.profile__body h2 {
  font-family: "Archivo", sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent-dark);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--paper-2);
}
.profile__list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.profile__list li {
  padding-left: 1.5rem;
  position: relative;
  color: var(--ink);
  line-height: 1.6;
}
.profile__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  background: var(--accent);
}

@media (max-width: 860px) {
  .profile__hero { grid-template-columns: 1fr; }
  .profile__photo { aspect-ratio: 4/3; }
}

/* ===== Divider ===== */
.divider { padding: 2rem 0; }
.divider__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.divider__line {
  flex: 1;
  height: 1px;
  background: var(--paper-2);
}
.divider__icon {
  color: var(--accent);
  display: flex;
  align-items: center;
}
.divider__icon svg { width: 1.5rem; height: 1.5rem; }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .nav { display: none; }
  .hero__inner--2col { grid-template-columns: 1fr; }
  .hero__logo-img { width: 280px; }
}