/* ============================================================
   Martek S.r.l. — onepage "due mondi"
   Baby Holder (azzurro/chiaro)  ·  Gieffe (rosso/industriale)
   ============================================================ */

:root {
  --font-head: "Poppins", system-ui, sans-serif;
  --font-body: "Open Sans", system-ui, sans-serif;

  /* corporate neutrals */
  --ink: #0b1220;
  --ink-soft: #334155;
  --paper: #ffffff;
  --paper-2: #f4f6fb;
  --line: #e2e8f0;

  /* baby world */
  --baby: #0ea5e9;
  --baby-deep: #1e3a8a;
  --baby-tint: #eef6fd;

  /* gieffe world */
  --gieffe: #e2001a;
  --gieffe-deep: #b80015;
  --gieffe-dark: #14171c;

  --radius: 18px;
  --radius-lg: 28px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
  --shadow-md: 0 14px 40px rgba(15, 23, 42, .12);
  --shadow-lg: 0 28px 70px rgba(15, 23, 42, .18);
  --t: 280ms cubic-bezier(.4, 0, .2, 1);
  --t-slow: 560ms cubic-bezier(.65, 0, .25, 1);
  --header-h: 76px;
}

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h2, h3 { font-family: var(--font-head); line-height: 1.08; letter-spacing: -.02em; margin: 0; }

.container { width: min(1200px, 100% - 48px); margin-inline: auto; }

:focus-visible {
  outline: 3px solid var(--baby);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: 16px; top: -120px; z-index: 1000;
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 10px;
  transition: top var(--t);
}
.skip-link:focus { top: 16px; }

/* ===================== HEADER ===================== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: background var(--t), box-shadow var(--t), backdrop-filter var(--t);
}
/* scrim so white nav/logo stay legible over the light Baby half before scroll */
.site-header::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(180deg, rgba(8, 12, 20, .62), rgba(8, 12, 20, .22));
  transition: opacity var(--t);
}
.site-header.is-scrolled::before { opacity: 0; }
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(160%) blur(12px);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: min(1200px, 100% - 48px); margin-inline: auto; }
.brand img { height: 38px; width: auto; }

.main-nav { display: flex; gap: 30px; margin-inline: auto; }
.main-nav a {
  font-family: var(--font-head); font-weight: 600; font-size: 15px;
  color: var(--ink); position: relative; padding: 6px 0;
  opacity: .85; transition: opacity var(--t);
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--ink); transition: width var(--t);
}
.main-nav a:hover { opacity: 1; }
.main-nav a:hover::after { width: 100%; }

/* header over dark hero: white text before scroll */
.site-header:not(.is-scrolled) .main-nav a { color: #fff; text-shadow: 0 1px 6px rgba(0,0,0,.4); }
.site-header:not(.is-scrolled) .main-nav a::after { background: #fff; }
.site-header:not(.is-scrolled) .brand img { filter: drop-shadow(0 2px 8px rgba(0,0,0,.35)); }
.site-header:not(.is-scrolled) .lang-switch { color: #fff; }

.lang-switch { display: flex; align-items: center; gap: 6px; font-family: var(--font-head); font-weight: 700; }
.lang-switch button {
  font: inherit; background: none; border: 0; cursor: pointer; color: inherit;
  padding: 4px 6px; opacity: .55; transition: opacity var(--t);
  border-radius: 6px;
}
.lang-switch button:hover { opacity: .9; }
.lang-switch button.is-active { opacity: 1; text-decoration: underline; text-underline-offset: 5px; }

/* ===================== HERO SPLIT ===================== */
.hero {
  position: relative;
  display: flex;
  min-height: 100vh; min-height: 100dvh;
  isolation: isolate;
}

/* single parallax element: warm "firelight" wash on the Gieffe (forge) side */
.hero-glow {
  position: absolute; z-index: 4; right: -8%; bottom: -18%;
  width: 68vmax; height: 68vmax; border-radius: 50%;
  background: radial-gradient(circle, rgba(226, 0, 26, .42) 0%, rgba(201, 80, 40, .22) 38%, transparent 70%);
  filter: blur(22px); mix-blend-mode: screen; opacity: .75;
  pointer-events: none; will-change: transform;
}

.panel {
  position: relative;
  flex: 1 1 50%;
  overflow: hidden;
  display: flex; align-items: flex-end;
  padding: clamp(28px, 5vw, 80px);
  padding-bottom: clamp(48px, 7vw, 90px);
  cursor: pointer;
  transition: flex-grow var(--t-slow);
  min-width: 0;
  isolation: isolate; /* own stacking context: bg < img < overlay < content */
}
.panel-bg { position: absolute; inset: 0; z-index: 0; transition: transform var(--t-slow); }
.panel-img {
  position: absolute; z-index: 1;
  transition: transform var(--t-slow), opacity var(--t);
  pointer-events: none;
}

/* baby panel: light, product render centred top */
.panel--baby { background: linear-gradient(160deg, #ffffff 0%, var(--baby-tint) 55%, #dbeafe 100%); }
.panel--baby .panel-img {
  top: 14%; left: 50%; width: min(78%, 500px); height: auto;
  transform: translateX(-50%);
  border-radius: 18px;
  filter: drop-shadow(0 30px 40px rgba(30, 58, 138, .22));
}
.panel--baby:hover .panel-img,
.panel--baby:focus-visible .panel-img { transform: translateX(-50%) translateY(-6px) scale(1.03); }

/* gieffe panel: dark industrial photo cover */
.panel--gieffe { background: var(--gieffe-dark); }
.panel-img--cover { inset: 0; width: 100%; height: 100%; object-fit: cover; }
.panel--gieffe .panel-bg {
  background: linear-gradient(180deg, rgba(10,12,15,.45) 0%, rgba(10,12,15,.35) 40%, rgba(10,12,15,.9) 100%);
  z-index: 2;
}
.panel--gieffe .panel-content { z-index: 3; }
.panel--gieffe:hover .panel-img,
.panel--gieffe:focus-visible .panel-img { transform: scale(1.06); }

/* hover / focus: expand the active world */
.hero:hover .panel { flex-grow: .82; }
.hero .panel:hover,
.hero .panel:focus-visible { flex-grow: 1.5; }

.panel-content { position: relative; z-index: 2; max-width: 460px; color: #fff; }
.panel--baby .panel-content { color: var(--ink); }

.panel-kicker {
  display: inline-block; font-family: var(--font-head); font-weight: 600;
  font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  padding: 7px 14px; border-radius: 999px; margin-bottom: 18px;
}
.panel--baby .panel-kicker { background: var(--baby); color: #fff; }
.panel--gieffe .panel-kicker { background: var(--gieffe); color: #fff; }

.panel-title {
  display: block; font-family: var(--font-head); font-weight: 800;
  font-size: clamp(44px, 7vw, 92px); line-height: .95; letter-spacing: -.03em;
}
.panel--baby .panel-title { color: var(--baby-deep); }

.panel-text {
  display: block; margin: 18px 0 26px; font-size: clamp(16px, 1.4vw, 20px);
  max-width: none; white-space: nowrap; opacity: .95;
}
.panel--gieffe .panel-text { text-shadow: 0 1px 14px rgba(0,0,0,.4); }

.panel-cta {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-head); font-weight: 700; font-size: 16px;
  padding: 14px 24px; border-radius: 999px;
  transition: transform var(--t), box-shadow var(--t), background var(--t);
}
.panel--baby .panel-cta { background: var(--baby-deep); color: #fff; box-shadow: var(--shadow-md); }
.panel--gieffe .panel-cta { background: #fff; color: var(--gieffe-deep); box-shadow: var(--shadow-md); }
.panel:hover .panel-cta { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.icon-ext { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* central emblem */
.hero-emblem {
  position: absolute; z-index: 5; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  display: grid; justify-items: center; gap: 2px; pointer-events: none;
  text-align: center;
  mix-blend-mode: difference; color: #fff;
}
.emblem-kicker { font-family: var(--font-head); font-weight: 600; font-size: 12px; letter-spacing: .42em; text-transform: uppercase; opacity: .9; }
.emblem-name { font-family: var(--font-head); font-weight: 800; font-size: clamp(28px, 4vw, 48px); letter-spacing: .04em; }
.emblem-sub { font-family: var(--font-head); font-weight: 500; font-size: 14px; letter-spacing: .3em; opacity: .85; }

.hero-hint {
  position: absolute; z-index: 5; left: 50%; bottom: 22px; transform: translateX(-50%);
  font-family: var(--font-head); font-weight: 600; font-size: 12px; letter-spacing: .2em;
  text-transform: uppercase; color: #fff; mix-blend-mode: difference;
  animation: floaty 2.4s ease-in-out infinite;
}
@keyframes floaty { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(6px); } }

/* ===================== SECTIONS ===================== */
.section { padding: clamp(72px, 10vw, 130px) 0; }
.eyebrow {
  font-family: var(--font-head); font-weight: 600; font-size: 13px;
  letter-spacing: .18em; text-transform: uppercase; color: var(--baby);
  margin: 0 0 14px;
}
.section-title { font-size: clamp(32px, 5vw, 60px); font-weight: 700; color: var(--ink); max-width: 18ch; }
.lead { font-size: clamp(17px, 1.6vw, 22px); color: var(--ink-soft); max-width: 60ch; margin: 26px 0 0; }

.about { background: var(--paper); }

.stats {
  list-style: none; margin: 56px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.stats li { padding: 26px; border-radius: var(--radius); background: var(--paper-2); border: 1px solid var(--line); }
.stat-num { display: block; font-family: var(--font-head); font-weight: 800; font-size: clamp(34px, 4vw, 52px); color: var(--ink); letter-spacing: -.02em; }
.stat-num small { font-size: .5em; font-weight: 600; }
.stat-label { display: block; margin-top: 6px; font-size: 14px; color: var(--ink-soft); }

/* ===================== BRAND ROWS ===================== */
.brand-row { padding: clamp(64px, 9vw, 120px) 0; }
.brand-row.world--baby { background: linear-gradient(180deg, var(--baby-tint), #ffffff); }
.brand-row.world--gieffe { background: var(--gieffe-dark); color: #f1f5f9; }

.brand-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 80px); align-items: center; }
.brand-grid--reverse .brand-media { order: 2; }

.brand-media img { width: 100%; height: auto; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.brand-row.world--baby .brand-media img { background: #fff; padding: 24px; }
.brand-row.world--gieffe .brand-media img { aspect-ratio: 4 / 3; object-fit: cover; }

.brand-eyebrow { font-family: var(--font-head); font-weight: 600; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 14px; }
.brand-row.world--baby .brand-eyebrow { color: var(--baby); }
.brand-row.world--gieffe .brand-eyebrow { color: var(--gieffe); }

.brand-name { font-size: clamp(40px, 6vw, 76px); font-weight: 800; letter-spacing: -.03em; }
.brand-row.world--baby .brand-name { color: var(--baby-deep); }
.brand-row.world--gieffe .brand-name { color: #fff; }

.brand-payoff { font-family: var(--font-head); font-style: italic; font-weight: 500; font-size: clamp(17px, 1.8vw, 22px); margin: 8px 0 20px; opacity: .9; }
.brand-row.world--gieffe .brand-payoff { color: var(--gieffe); opacity: 1; }

.brand-desc { font-size: 17px; max-width: 52ch; }
.brand-row.world--gieffe .brand-desc { color: #cbd5e1; }

.feature-list { list-style: none; margin: 26px 0 32px; padding: 0; display: grid; gap: 12px; }
.feature-list li { position: relative; padding-left: 32px; font-size: 16px; }
.feature-list li::before {
  content: ""; position: absolute; left: 0; top: 7px; width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--baby) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.feature-list--gieffe li::before { background-color: var(--gieffe); }
.brand-row.world--gieffe .feature-list li { color: #e2e8f0; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-head); font-weight: 700; font-size: 16px;
  padding: 15px 28px; border-radius: 999px;
  box-shadow: var(--shadow-md); transition: transform var(--t), box-shadow var(--t), background var(--t);
}
.btn:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.btn--baby { background: var(--baby-deep); color: #fff; }
.btn--gieffe { background: var(--gieffe); color: #fff; }
.btn--gieffe:hover { background: var(--gieffe-deep); }

/* ===================== CONTACT ===================== */
.contact { background: var(--ink); color: #e2e8f0; }
.contact .eyebrow { color: var(--baby); }
.contact .section-title { color: #fff; }
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: start; }
.contact-role { font-family: var(--font-head); font-weight: 600; color: #94a3b8; margin: 6px 0 18px; }
.contact-block { font-style: normal; font-size: clamp(18px, 2vw, 24px); line-height: 1.5; color: #fff; }
.map-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 22px; font-family: var(--font-head); font-weight: 600; color: var(--baby); border-bottom: 1px solid transparent; transition: border-color var(--t); }
.map-link:hover { border-color: var(--baby); }

.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.contact-list li { display: flex; justify-content: space-between; gap: 16px; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.contact-key { font-family: var(--font-head); font-weight: 600; color: #94a3b8; letter-spacing: .02em; }
.contact-list a { border-bottom: 1px solid transparent; transition: border-color var(--t); }
.contact-list a:hover { border-color: currentColor; }

/* ===================== FOOTER ===================== */
.site-footer { background: #07090d; color: #94a3b8; padding: 48px 0; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.footer-brand { display: flex; align-items: center; gap: 16px; max-width: 360px; }
.footer-brand img { height: 40px; width: auto; }
.footer-brand p { margin: 0; font-size: 14px; }
.footer-links { display: flex; gap: 26px; }
.footer-links a { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-head); font-weight: 600; color: #e2e8f0; transition: color var(--t); }
.footer-links a:hover { color: #fff; }
.footer-copy { width: 100%; margin: 8px 0 0; font-size: 13px; border-top: 1px solid rgba(255,255,255,.08); padding-top: 22px; }

/* ===================== SCROLL REVEAL ===================== */
/* scoped to html.js so content stays visible without JavaScript */
html.js .reveal,
html.js .reveal-stagger > * {
  opacity: 0; transform: translateY(26px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1);
}
html.js .reveal.is-visible,
html.js .reveal-stagger.is-visible > * { opacity: 1; transform: none; }
html.js .reveal-stagger.is-visible > *:nth-child(2) { transition-delay: .09s; }
html.js .reveal-stagger.is-visible > *:nth-child(3) { transition-delay: .18s; }
html.js .reveal-stagger.is-visible > *:nth-child(4) { transition-delay: .27s; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .hero { flex-direction: column; min-height: auto; }
  .panel { flex: none; min-height: 78vh; min-height: 78dvh; }
  .hero:hover .panel,
  .hero .panel:hover,
  .hero .panel:focus-visible { flex-grow: 0; }
  .hero-emblem { top: 50%; }
  .panel--baby .panel-img { width: min(70%, 360px); top: 8%; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .brand-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .brand-grid--reverse .brand-media { order: 0; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  .stats { grid-template-columns: 1fr; }
  .footer-links { flex-direction: column; gap: 12px; }
}

/* ===================== IMAGE ZOOM ===================== */
[data-zoomable] { cursor: zoom-in; }
[data-zoomable]:focus-visible { outline: 2px solid var(--baby); outline-offset: 4px; }

/* zoom trigger over hero panel images (panel is an external link) */
.panel-zoom {
  position: absolute; z-index: 6;
  top: calc(var(--header-h) + clamp(12px, 2vw, 24px));   /* clear the fixed header */
  right: clamp(16px, 2.5vw, 28px);
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  border-radius: 999px; cursor: zoom-in;
  color: #fff; background: rgba(11, 18, 32, .42);
  border: 1px solid rgba(255, 255, 255, .25);
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  opacity: 0; transform: scale(.9);
  transition: opacity var(--t) ease, transform var(--t) ease, background var(--t) ease;
}
.panel:hover .panel-zoom,
.panel:focus-within .panel-zoom { opacity: 1; transform: scale(1); }
.panel-zoom:hover { background: rgba(11, 18, 32, .62); }
.panel-zoom:focus-visible { opacity: 1; transform: scale(1); outline: 2px solid #fff; outline-offset: 2px; }
.panel-zoom svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
/* touch devices have no hover → keep the trigger visible */
@media (hover: none) { .panel-zoom { opacity: 1; transform: none; } }

.zoom-lightbox {
  position: fixed; inset: 0; z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  padding: clamp(16px, 4vw, 56px);
  background: rgba(11, 18, 32, .82);            /* --ink @ .82 */
  -webkit-backdrop-filter: blur(6px) saturate(120%);
  backdrop-filter: blur(6px) saturate(120%);
  opacity: 0; visibility: hidden;
  transition: opacity var(--t) ease, visibility var(--t) ease;
  cursor: zoom-out;
}
.zoom-lightbox.is-open { opacity: 1; visibility: visible; }

.zoom-figure {
  margin: 0; max-width: min(96vw, 1100px); max-height: 90vh;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  transform: scale(.96);
  transition: transform var(--t-slow) cubic-bezier(.2, .8, .2, 1);
}
.zoom-lightbox.is-open .zoom-figure { transform: scale(1); }

.zoom-img {
  max-width: 100%; max-height: 82vh; width: auto; height: auto;
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  background: #fff; object-fit: contain;
  image-rendering: high-quality;
}
.zoom-caption {
  margin: 0; max-width: 70ch; text-align: center;
  font-size: .9rem; color: rgba(255, 255, 255, .82);
}
.zoom-caption:empty { display: none; }

.zoom-close {
  position: absolute; z-index: 1;
  top: clamp(12px, 2.5vw, 28px); right: clamp(12px, 2.5vw, 28px);
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; padding: 0;
  border: 0; border-radius: 999px; cursor: pointer;
  color: #fff; background: rgba(255, 255, 255, .12);
  transition: background var(--t) ease, transform var(--t) ease;
}
.zoom-close:hover { background: rgba(255, 255, 255, .22); transform: rotate(90deg); }
.zoom-close:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.zoom-close svg {
  width: 22px; height: 22px; fill: none;
  stroke: currentColor; stroke-width: 2; stroke-linecap: round;
}

/* ===================== MOTION ===================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation: none !important; }
  html.js .reveal,
  html.js .reveal-stagger > * { opacity: 1 !important; transform: none !important; }
  .zoom-figure { transform: none !important; }
}