/* ============================================================
   ALTAMARE — charter & yacht management
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

:root {
  --ink:    #0E1214;
  --ink-2:  #171D20;
  --paper:  #F6F4EF;
  --sand:   #E6E0D4;
  --sea:    #1D3540;
  --brass:  #B08D57;
  --muted:  #767B7D;

  --serif: 'Instrument Serif', 'Times New Roman', serif;
  --sans:  'Inter Tight', system-ui, sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, monospace;

  --pad: clamp(20px, 4.6vw, 80px);
  --ease: cubic-bezier(.22, .8, .26, 1);
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
section { position: relative; }
h1, h2, h3 { margin: 0; font-weight: 400; }
p { margin: 0; }

:focus-visible { outline: 2px solid var(--brass); outline-offset: 4px; }

/* ---------- typografia wspolna ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
}

.btn {
  display: inline-flex; align-items: center; gap: .7em;
  font-family: var(--mono);
  font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
  padding: 1.05em 1.9em;
  border-radius: 2px;
  white-space: nowrap;
  transition: background .4s var(--ease), color .4s var(--ease), border-color .4s var(--ease);
}
.btn--line { border: 1px solid currentColor; }
.btn--line:hover { background: currentColor; }
.hero .btn--line:hover, .nav .btn--line:hover { color: var(--ink); }
.btn--fill { background: var(--ink); color: var(--paper); border: 1px solid var(--ink); }
.btn--fill:hover { background: transparent; color: var(--ink); }

.link {
  display: inline-flex; align-items: center; gap: .6em;
  font-family: var(--mono); font-size: 12px; letter-spacing: .12em;
  text-transform: uppercase;
  border-bottom: 1px solid currentColor; padding-bottom: 4px;
}
.link span { transition: transform .4s var(--ease); }
.link:hover span { transform: translateX(5px); }

/* linijki naglowkow wjezdzaja zza maski */
.mask { display: block; overflow: hidden; }
.mask > i { display: block; font-style: inherit; }

/* ---------- ziarno ---------- */
.grain {
  position: fixed; inset: -50px; z-index: 60;
  pointer-events: none; opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- pasek postepu ---------- */
.progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 70;
  pointer-events: none;
}
.progress i {
  display: block; height: 100%; width: 100%;
  transform: scaleX(0); transform-origin: 0 50%;
  background: var(--brass);
}

/* ---------- ekran startowy ---------- */
.loader {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-items: center;
  background: var(--ink);
}
.loader__inner { text-align: center; color: var(--paper); }
.loader__word {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2rem, 6vw, 4.2rem);
  letter-spacing: .12em;
}
.loader__bar {
  display: block; width: min(46vw, 300px); height: 1px;
  margin: 22px auto 0; background: rgba(246,244,239,.18);
}
.loader__bar i { display: block; height: 100%; width: 0; background: var(--brass); }
.loader.is-gone { opacity: 0; pointer-events: none; transition: opacity .8s var(--ease); }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  padding: clamp(16px, 2vw, 26px) var(--pad);
  color: var(--paper);
  transition: background .5s var(--ease), color .5s var(--ease), padding .5s var(--ease);
}
.nav.is-solid {
  background: rgba(14,18,20,.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  padding-top: clamp(10px, 1.2vw, 16px);
  padding-bottom: clamp(10px, 1.2vw, 16px);
}
.nav__logo { display: inline-flex; align-items: center; gap: 12px; }
.nav__mark { width: 26px; height: 26px; color: var(--brass); }
.nav__mark svg { width: 100%; height: 100%; }
.nav__word {
  display: flex; flex-direction: column; line-height: 1.15;
  font-family: var(--serif); font-size: 19px; letter-spacing: .16em;
}
.nav__word em {
  font-family: var(--mono); font-style: normal;
  font-size: 8px; letter-spacing: .2em; text-transform: uppercase;
  opacity: .6;
}
.nav__links { display: flex; gap: clamp(18px, 2.4vw, 40px); }
.nav__links a {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: .16em; text-transform: uppercase;
  opacity: .78; transition: opacity .3s;
}
.nav__links a:hover { opacity: 1; }
.nav__side { display: flex; align-items: center; gap: clamp(14px, 2vw, 28px); }
.nav__tel { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; opacity: .78; }
.nav__cta { padding: .8em 1.5em; }

/* ============================================================
   1. HERO
   ============================================================ */
.hero {
  /* dlugosc przewijania decyduje, ile sekund trwa przelot — ~10 s przy normalnym scrollu */
  height: 400vh;
  background: var(--ink);
  color: var(--paper);
}
.hero__pin {
  position: sticky; top: 0;
  height: 100svh; min-height: 520px;
  overflow: hidden;
}
#heroCanvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
}
.hero__veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, rgba(14,18,20,.58) 0%, rgba(14,18,20,0) 26%),
    linear-gradient(to top, rgba(14,18,20,.90) 0%, rgba(14,18,20,.58) 26%, rgba(14,18,20,0) 64%);
}
.hero__copy {
  position: absolute; left: var(--pad); bottom: clamp(84px, 13vh, 150px);
  z-index: 2; max-width: min(720px, 78vw);
}
.hero__line {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.65rem);
  line-height: 1.22;
  margin-bottom: clamp(20px, 2.4vw, 34px);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__meta {
  position: absolute; left: var(--pad); right: var(--pad); bottom: clamp(24px, 4vh, 42px);
  z-index: 2;
  display: flex; justify-content: space-between; align-items: flex-end; gap: 20px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .18em;
  text-transform: uppercase; opacity: .65;
}
.hero__scroll { display: inline-flex; align-items: center; gap: 12px; }
.hero__scroll i {
  width: 46px; height: 1px; background: currentColor; transform-origin: 0 50%;
  animation: scrollLine 2.4s var(--ease) infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleX(0); transform-origin: 0 50%; }
  45%  { transform: scaleX(1); transform-origin: 0 50%; }
  55%  { transform: scaleX(1); transform-origin: 100% 50%; }
  100% { transform: scaleX(0); transform-origin: 100% 50%; }
}

/* ============================================================
   2. INTRO
   ============================================================ */
.intro { padding: clamp(80px, 14vh, 190px) var(--pad) clamp(60px, 9vh, 110px); }
.intro__grid {
  display: grid; gap: clamp(28px, 5vw, 90px);
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  align-items: start;
}
.intro__head {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -.01em;
  max-width: 14ch;
}
.intro__body { display: grid; gap: 22px; max-width: 52ch; padding-top: clamp(6px, 1vw, 14px); }
.intro__body p { font-size: clamp(15px, 1.15vw, 17px); line-height: 1.75; color: #3B4143; }
.intro__body .link { margin-top: 8px; justify-self: start; }

.register {
  margin: clamp(52px, 9vh, 120px) 0 0;
  border-top: 1px solid rgba(14,18,20,.16);
}
.register > div {
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px; align-items: baseline;
  padding: clamp(13px, 1.5vw, 19px) 0;
  border-bottom: 1px solid rgba(14,18,20,.1);
}
.register dt {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: .16em; text-transform: uppercase; color: var(--muted);
}
.register dd {
  margin: 0; text-align: right;
  font-family: var(--serif); font-size: clamp(15px, 1.35vw, 19px);
}

/* ============================================================
   3. KADR ROZSZERZAJACY SIE DO PELNEJ SZEROKOSCI
   ============================================================ */
.reveal-shot { padding: clamp(30px, 6vh, 70px) 0 clamp(60px, 10vh, 130px); }
.reveal-shot__frame {
  position: relative;
  width: 100%; height: clamp(320px, 74vh, 760px);
  margin: 0 auto;
  overflow: hidden;
  will-change: width, border-radius;
}
@media (min-width: 900px) { .reveal-shot__frame { width: 76%; } }
.reveal-shot__frame img {
  width: 100%; height: 130%; object-fit: cover;
  will-change: transform;
}
.reveal-shot__cap {
  position: absolute; left: clamp(16px, 3vw, 36px); right: clamp(16px, 3vw, 36px);
  bottom: clamp(14px, 2.4vw, 28px);
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .18em;
  text-transform: uppercase; color: rgba(246,244,239,.9);
  text-shadow: 0 1px 14px rgba(0,0,0,.6);
}

/* ============================================================
   ramka ze zdjeciem — parallax w srodku
   ============================================================ */
.frame { position: relative; overflow: hidden; background: var(--sand); }
.frame img { width: 100%; height: 118%; object-fit: cover; will-change: transform; }

/* ============================================================
   4. FLOTA
   ============================================================ */
.fleet { padding: clamp(50px, 8vh, 110px) var(--pad) clamp(60px, 10vh, 140px); }
.sec-head { max-width: min(720px, 66vw); margin-bottom: clamp(40px, 7vh, 90px); }
.sec-head h2 {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3.2vw, 2.9rem);
  line-height: 1.12; margin-top: 16px;
}

.boat {
  display: grid; gap: clamp(24px, 4vw, 70px);
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  align-items: center;
  padding: clamp(30px, 5vh, 64px) 0;
  border-top: 1px solid rgba(14,18,20,.12);
}
.boat--flip .boat__media { order: 2; }
.boat__media { height: clamp(260px, 52vh, 540px); }
.boat__info { display: grid; gap: 16px; align-content: start; max-width: 46ch; }
.boat__info h3 {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.6vw, 3rem); line-height: 1;
}
.boat__info > p { font-size: clamp(14.5px, 1.05vw, 16px); line-height: 1.75; color: #3B4143; }

.spec {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 14px 24px; margin: 10px 0 0;
  padding-top: 20px; border-top: 1px solid rgba(14,18,20,.12);
}
.spec dt {
  font-family: var(--mono); font-size: 10px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--muted);
}
.spec dd { margin: 5px 0 0; font-size: 17px; }

/* ============================================================
   5. WODY
   ============================================================ */
.waters {
  background: var(--ink); color: var(--paper);
  padding: clamp(70px, 12vh, 160px) var(--pad);
  display: grid; gap: clamp(34px, 6vw, 90px);
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  align-items: start;
}
.waters__sticky { position: sticky; top: clamp(90px, 16vh, 160px); display: grid; gap: 20px; }
.waters__sticky h2 {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 4vw, 3.4rem); line-height: 1.08;
}
.waters__note { font-size: 15px; line-height: 1.8; color: rgba(246,244,239,.6); max-width: 34ch; }
.waters__list { list-style: none; margin: 0; padding: 0; }
.waters__list li {
  display: grid; grid-template-columns: auto 1fr; gap: 6px clamp(20px, 3vw, 48px);
  padding: clamp(26px, 4vh, 46px) 0;
  border-top: 1px solid rgba(246,244,239,.16);
}
.waters__list li:last-child { border-bottom: 1px solid rgba(246,244,239,.16); }
.waters__num {
  grid-row: span 2;
  font-family: var(--mono); font-size: 11px; letter-spacing: .16em;
  color: var(--brass); padding-top: 8px;
}
.waters__list h3 { font-family: var(--serif); font-size: clamp(1.5rem, 2.8vw, 2.3rem); }
.waters__list p { font-size: 15px; line-height: 1.8; color: rgba(246,244,239,.6); max-width: 46ch; }

/* ============================================================
   6. NA POKLADZIE
   ============================================================ */
.craft { padding: clamp(70px, 12vh, 160px) var(--pad); }
.craft__grid {
  display: grid; gap: clamp(24px, 4vw, 60px);
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.1fr) minmax(0, .8fr);
  align-items: center;
}
.craft__media { height: clamp(240px, 46vh, 480px); }
.craft__media.frame--tall { height: clamp(300px, 62vh, 620px); }
.craft__text { display: grid; gap: 20px; align-content: center; }
.craft__text h2 {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3.2vw, 2.9rem); line-height: 1.12;
}
.craft__text > p { font-size: clamp(14.5px, 1.05vw, 16px); line-height: 1.78; color: #3B4143; }
.ticks { list-style: none; margin: 6px 0 0; padding: 0; display: grid; gap: 12px; }
.ticks li {
  position: relative; padding-left: 26px;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em;
  line-height: 1.7; color: #3B4143;
}
.ticks li::before {
  content: ''; position: absolute; left: 0; top: .62em;
  width: 14px; height: 1px; background: var(--brass);
}

/* ============================================================
   7. CTA + STOPKA
   ============================================================ */
.cta {
  background: var(--sea); color: var(--paper);
  padding: clamp(80px, 16vh, 200px) var(--pad);
}
.cta__inner { display: grid; gap: 22px; max-width: min(820px, 92vw); }
.cta__inner h2 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.7vw, 3.2rem); line-height: 1.1;
}
.cta__note { font-size: 15px; line-height: 1.8; color: rgba(246,244,239,.66); max-width: 42ch; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; }
.cta .btn--fill { background: var(--paper); color: var(--sea); border-color: var(--paper); }
.cta .btn--fill:hover { background: transparent; color: var(--paper); }
.cta .btn--line:hover { color: var(--sea); }

.foot { background: var(--ink); color: var(--paper); padding: clamp(40px, 7vh, 80px) var(--pad) 28px; }
.foot__row {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; opacity: .7;
  padding-bottom: 22px; border-bottom: 1px solid rgba(246,244,239,.14);
}
.foot__note {
  margin-top: 18px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .1em;
  opacity: .38;
}

/* ============================================================
   responsywnosc
   ============================================================ */
@media (max-width: 1000px) {
  .nav__links { display: none; }
  .nav__tel { display: none; }
  .intro__grid { grid-template-columns: 1fr; }
  .intro__head { max-width: none; }
  .register > div { grid-template-columns: 1fr; gap: 5px; }
  .register dd { text-align: left; }
  .boat { grid-template-columns: 1fr; }
  .boat--flip .boat__media { order: 0; }
  .waters { grid-template-columns: 1fr; }
  .waters__sticky { position: static; }
  .craft__grid { grid-template-columns: 1fr; }
  .craft__media, .craft__media.frame--tall { height: clamp(230px, 44vh, 420px); }
  .hero__copy { max-width: none; right: var(--pad); }
  .hero__frame { display: none; }  /* na waskim ekranie metryczka nie miesci sie w jednym rzedzie */
}

@media (prefers-reduced-motion: reduce) {
  .hero__scroll i, .grain { animation: none; }
  .frame img, .reveal-shot__frame img { height: 100%; }
  * { scroll-behavior: auto !important; }
}