/* ============================================================
   Atlantis Marbella Investment — ESAM-M
   Design tokens
   ============================================================ */
:root{
  /* palette */
  --abyss:      #071823;   /* deepest sea */
  --deep:       #0A1E2C;   /* deep navy */
  --deep-2:     #0F2A3A;
  --teal:       #12505B;
  --cyan:       #38BDD9;   /* telemetry glow */
  --cyan-soft:  #8FD9E6;
  --sand:       #E9DEC8;   /* caliza / concha */
  --sand-2:     #F3EDE0;
  --paper:      #FBFAF7;
  --ink:        #12212B;
  --slate:      #5A6B76;
  --line:       #DfE4E5;
  --brass:      #B8892B;   /* institutional accent, used sparingly */

  /* type */
  --display: "Space Grotesk", system-ui, sans-serif;
  --body:    "Inter", system-ui, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, monospace;

  /* rhythm */
  --wrap: 1160px;
  --pad: clamp(1.1rem, 4vw, 2.2rem);
  --sect-y: clamp(3.6rem, 8vw, 6.5rem);
  --radius: 10px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ============================================================
   Reset / base
   ============================================================ */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  font-family:var(--body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  font-size:clamp(1rem, .96rem + .2vw, 1.075rem);
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; height:auto; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3{ font-family:var(--display); font-weight:600; line-height:1.1; margin:0; letter-spacing:-.01em; }
p{ margin:0 0 1rem; }
ul,ol{ margin:0; padding:0; list-style:none; }

.wrap{ width:min(100% - 2*var(--pad), var(--wrap)); margin-inline:auto; }

.skip-link{
  position:absolute; left:-999px; top:0; z-index:200;
  background:var(--deep); color:#fff; padding:.6rem 1rem; border-radius:0 0 6px 0;
}
.skip-link:focus{ left:0; }

:focus-visible{ outline:2.5px solid var(--cyan); outline-offset:3px; border-radius:3px; }

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-family:var(--display); font-weight:500; font-size:.95rem;
  padding:.8rem 1.5rem; border-radius:100px; border:1.5px solid transparent;
  cursor:pointer; transition:transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-sm{ padding:.5rem 1rem; font-size:.85rem; }
.btn-primary{ background:var(--cyan); color:var(--abyss); }
.btn-primary:hover{ background:var(--cyan-soft); transform:translateY(-2px); }
.btn-ghost{ border-color:rgba(255,255,255,.35); color:#fff; }
.btn-ghost:hover{ border-color:var(--cyan); color:var(--cyan-soft); transform:translateY(-2px); }
.section-light .btn-sm,
.header-cta .btn-sm{ background:var(--deep); color:#fff; }
.header-cta .btn-sm:hover{ background:var(--teal); }

/* ============================================================
   Header
   ============================================================ */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(251,250,247,.82);
  backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{ display:flex; align-items:center; gap:1.5rem; height:66px; }
.brand{ display:flex; align-items:center; gap:.6rem; color:var(--deep); }
.brand-mark{ width:32px; height:32px; color:var(--teal); flex:none; }
.brand-text{ display:flex; flex-direction:column; line-height:1; }
.brand-name{ font-family:var(--display); font-weight:700; letter-spacing:.14em; font-size:1.02rem; color:var(--deep); }
.brand-sub{ font-family:var(--mono); font-size:.62rem; letter-spacing:.08em; color:var(--slate); text-transform:uppercase; margin-top:.28rem; }

.site-nav{ display:flex; gap:1.6rem; margin-left:auto; }
.site-nav a{ font-size:.92rem; color:var(--ink); position:relative; padding:.2rem 0; transition:color .2s; }
.site-nav a::after{ content:""; position:absolute; left:0; bottom:-2px; width:0; height:2px; background:var(--cyan); transition:width .25s var(--ease); }
.site-nav a:hover{ color:var(--teal); }
.site-nav a:hover::after{ width:100%; }

.header-cta{ display:flex; align-items:center; gap:1rem; }
.lang{ font-family:var(--mono); font-size:.72rem; color:var(--slate); letter-spacing:.03em; }
.lang-soon{ opacity:.6; }

.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:0; padding:.4rem; cursor:pointer; margin-left:auto; }
.nav-toggle span{ width:24px; height:2px; background:var(--deep); border-radius:2px; transition:transform .3s var(--ease), opacity .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

.mobile-nav{ display:none; flex-direction:column; padding:0 var(--pad) 1.2rem; gap:.2rem; background:var(--paper); border-bottom:1px solid var(--line); }
.mobile-nav a{ padding:.8rem .2rem; border-bottom:1px solid var(--line); font-family:var(--display); }
.mobile-nav a.btn{ margin-top:.8rem; border:0; }
.mobile-nav.open{ display:flex; }

/* ============================================================
   Hero
   ============================================================ */
.hero{ position:relative; color:#fff; overflow:hidden; padding:clamp(3.4rem,9vw,6rem) 0 2.4rem; }
.hero-bg{
  position:absolute; inset:0; z-index:-1;
  background:
    radial-gradient(120% 90% at 78% 8%, rgba(56,189,217,.28), transparent 55%),
    radial-gradient(100% 120% at 10% 100%, rgba(18,80,91,.55), transparent 60%),
    linear-gradient(180deg, var(--deep) 0%, var(--abyss) 100%);
}
.hero-bg::after{ /* caustic light lines */
  content:""; position:absolute; inset:0;
  background:
    repeating-linear-gradient(115deg, rgba(143,217,230,.05) 0 2px, transparent 2px 46px);
  mask-image:linear-gradient(180deg, #000 0%, transparent 70%);
  opacity:.7;
}
.hero-inner{ position:relative; max-width:920px; }
.eyebrow{ font-family:var(--mono); font-size:.78rem; letter-spacing:.14em; text-transform:uppercase; color:var(--cyan-soft); margin:0 0 1.2rem; }
.hero-title{ font-size:clamp(2.1rem, 1.2rem + 4.2vw, 4rem); font-weight:600; letter-spacing:-.02em; }
.hero-lead{ font-size:clamp(1.05rem, 1rem + .5vw, 1.3rem); color:#D5E1E7; max-width:640px; margin:1.4rem 0 2rem; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:.9rem; margin-bottom:2.8rem; }

.telemetry{
  display:flex; flex-wrap:wrap; gap:0;
  border:1px solid rgba(143,217,230,.22); border-radius:12px; overflow:hidden;
  background:rgba(7,24,35,.35); backdrop-filter:blur(4px); max-width:760px;
}
.tele{ flex:1 1 120px; padding:.85rem 1.1rem; border-right:1px solid rgba(143,217,230,.14); display:flex; flex-direction:column; gap:.25rem; }
.tele:last-child{ border-right:0; }
.tele-k{ font-family:var(--mono); font-size:.64rem; letter-spacing:.1em; color:var(--cyan); text-transform:uppercase; }
.tele-v{ font-family:var(--mono); font-size:1.02rem; color:#fff; font-weight:500; }
.hero-note{ font-family:var(--mono); font-size:.72rem; color:rgba(213,225,231,.6); margin:1.8rem auto 0; }

/* ============================================================
   Section shells
   ============================================================ */
.section{ padding:var(--sect-y) 0; }
.section-light{ background:var(--paper); color:var(--ink); }
.section-sand{ background:var(--sand-2); color:var(--ink); }
.section-deep{ background:var(--deep); color:#EAF1F4; }
.section-abyss{ background:linear-gradient(180deg, var(--abyss), var(--deep)); color:#EAF1F4; }

.section-eyebrow{ font-family:var(--mono); font-size:.76rem; letter-spacing:.12em; text-transform:uppercase; color:var(--teal); margin:0 0 1rem; }
.section-eyebrow.light{ color:var(--cyan-soft); }
.section-eyebrow::before{ content:"— "; color:var(--brass); }
.section-title{ font-size:clamp(1.55rem, 1.1rem + 2vw, 2.5rem); max-width:16ch; }
.section-title.light{ color:#fff; }
.section-title + .lead{ margin-top:1.1rem; }
.lead{ font-size:clamp(1.05rem, 1rem + .35vw, 1.2rem); color:var(--slate); max-width:60ch; }
.section-deep .lead, .section-abyss .lead{ color:#B9CBD3; }
.lead.light{ color:#C4D5DC; }
.lead.center{ margin-inline:auto; text-align:center; }
.fineprint{ font-size:.92rem; color:var(--slate); margin-top:1.2rem; }
.section-deep .fineprint{ color:#9FB4BD; }

/* ============================================================
   Grid helpers
   ============================================================ */
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(2rem,5vw,4rem); align-items:center; }
.grid-intro{ align-items:start; }

/* Intro stats */
.stats{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.stats li{ background:var(--paper); padding:1.5rem 1.3rem; display:flex; flex-direction:column; gap:.35rem; }
.stat-n{ font-family:var(--display); font-weight:700; font-size:clamp(1.7rem,1.2rem+1.8vw,2.4rem); color:var(--deep); letter-spacing:-.02em; }
.stat-l{ font-size:.85rem; color:var(--slate); }

/* Compare (es / no es) */
.compare{ margin-top:2.4rem; align-items:stretch; }
.compare-col{ border-radius:14px; padding:clamp(1.4rem,3vw,2rem); border:1px solid rgba(143,217,230,.16); }
.compare-col.is{ background:rgba(56,189,217,.08); }
.compare-col.isnot{ background:rgba(255,255,255,.03); }
.compare-col h3{ font-size:1.15rem; margin-bottom:1rem; display:flex; align-items:baseline; gap:.55rem; color:#fff; font-weight:500; }
.tick,.cross{ font-family:var(--mono); font-size:.72rem; padding:.2rem .5rem; border-radius:5px; letter-spacing:.05em; text-transform:uppercase; }
.tick{ background:var(--cyan); color:var(--abyss); }
.cross{ background:rgba(184,137,43,.9); color:var(--abyss); }
.compare-col ul li{ padding:.55rem 0 .55rem 1.4rem; position:relative; color:#D3E0E5; border-top:1px solid rgba(143,217,230,.1); }
.compare-col ul li:first-child{ border-top:0; }
.compare-col ul li::before{ content:""; position:absolute; left:0; top:1.05rem; width:7px; height:7px; border-radius:50%; background:var(--cyan); opacity:.6; }
.compare-col.isnot ul li::before{ background:var(--brass); }
.disclaimer{ margin-top:2rem; font-size:.95rem; color:#9FB4BD; max-width:78ch; border-left:2px solid var(--brass); padding-left:1.1rem; }
.disclaimer.light{ color:#9FB4BD; }

/* Media rows */
.grid-media .media{ margin:0; }
.media img{ border-radius:14px; box-shadow:0 24px 50px -24px rgba(7,24,35,.5); }
.media-frame img{ background:#fff; padding:.5rem; }
.media figcaption{ font-family:var(--mono); font-size:.72rem; color:var(--slate); margin-top:.7rem; letter-spacing:.02em; }
.section-abyss .media figcaption{ color:#8FA6AF; }
.grid-media.reverse .media{ order:2; }
@media (min-width:721px){ .grid-media.reverse > div{ order:1; } .grid-media.reverse .media{ order:2; } }

/* Checklist */
.checklist{ margin-top:1.4rem; }
.checklist li{ padding:.55rem 0 .55rem 1.9rem; position:relative; border-top:1px solid var(--line); }
.section-deep .checklist li, .section-abyss .checklist li{ border-top-color:rgba(143,217,230,.14); }
.checklist li:first-child{ border-top:0; }
.checklist li::before{
  content:""; position:absolute; left:0; top:.85rem; width:12px; height:7px;
  border-left:2px solid var(--cyan); border-bottom:2px solid var(--cyan);
  transform:rotate(-45deg);
}

/* Chips */
.chips{ display:flex; flex-wrap:wrap; gap:.5rem; margin:1.4rem 0; }
.chips span{ font-family:var(--mono); font-size:.78rem; padding:.4rem .8rem; border:1px solid var(--line); border-radius:100px; color:var(--teal); background:#fff; }

/* Map virtual */
.map-media{ margin:2.6rem 0 2rem; position:relative; }
.map-media img{ border-radius:16px; box-shadow:0 30px 70px -30px rgba(0,0,0,.7); }
.map-badge{
  position:absolute; top:1rem; left:1rem;
  font-family:var(--mono); font-size:.72rem; letter-spacing:.04em;
  background:rgba(7,24,35,.78); color:var(--cyan-soft); border:1px solid rgba(56,189,217,.4);
  padding:.4rem .8rem; border-radius:100px; backdrop-filter:blur(4px);
}
.map-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:rgba(143,217,230,.14); border:1px solid rgba(143,217,230,.14); border-radius:12px; overflow:hidden; }
.map-grid li{ background:rgba(10,30,44,.6); padding:1.1rem 1.1rem; font-size:.9rem; color:#CFDEE4; display:flex; align-items:center; }

/* Disciplines */
.disciplines{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:12px; overflow:hidden; margin-top:2.2rem; }
.disciplines li{ background:var(--paper); padding:1.15rem 1.2rem; font-family:var(--display); font-weight:500; font-size:1rem; color:var(--deep); display:flex; align-items:center; gap:.6rem; }
.disciplines li::before{ content:""; width:6px; height:6px; border-radius:50%; background:var(--cyan); flex:none; }

/* Commitments */
.commit-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:1rem; margin:2.2rem 0; }
.commit{
  border:1px solid rgba(143,217,230,.18); border-radius:12px; padding:1.3rem 1.4rem;
  font-family:var(--display); font-size:1.08rem; color:#fff; background:rgba(255,255,255,.02);
  display:flex; align-items:center; gap:.7rem;
}
.commit-x{ font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.06em; color:var(--abyss); background:var(--brass); padding:.24rem .55rem; border-radius:5px; flex:none; }

/* Phases */
.phases-wrap{ align-items:start; margin-top:2.2rem; }
.phase-h{ font-size:1.1rem; color:var(--teal); margin-bottom:.6rem; font-weight:600; }
.steps{ counter-reset:step; margin-top:1.4rem; }
.steps li{ counter-increment:step; padding:.7rem 0 .7rem 2.6rem; position:relative; border-top:1px solid var(--line); }
.steps li:first-child{ border-top:0; }
.steps li::before{
  content:counter(step,decimal-leading-zero); position:absolute; left:0; top:.7rem;
  font-family:var(--mono); font-size:.8rem; color:var(--brass); font-weight:500;
  border:1px solid var(--line); border-radius:6px; width:1.9rem; text-align:center; padding:.15rem 0;
}

/* Contact */
.contact-wrap{ align-items:start; }
.contact-line{ font-family:var(--mono); font-size:.85rem; color:#B9CBD3; margin:.4rem 0; }
.link-dossier{ color:var(--cyan-soft); border-bottom:1px solid rgba(143,217,230,.4); padding-bottom:2px; transition:color .2s; }
.link-dossier:hover{ color:#fff; }

.contact-form{ background:rgba(255,255,255,.03); border:1px solid rgba(143,217,230,.16); border-radius:16px; padding:clamp(1.4rem,3vw,2rem); }
.field{ margin-bottom:1.1rem; }
.field label{ display:block; font-size:.82rem; font-family:var(--mono); letter-spacing:.03em; color:var(--cyan-soft); margin-bottom:.4rem; text-transform:uppercase; }
.field input, .field textarea{
  width:100%; padding:.75rem .9rem; border-radius:8px; font-family:var(--body); font-size:1rem;
  background:rgba(7,24,35,.5); border:1px solid rgba(143,217,230,.22); color:#fff; transition:border-color .2s;
}
.field input:focus, .field textarea:focus{ border-color:var(--cyan); outline:none; }
.field textarea{ resize:vertical; }
.consent{ display:flex; gap:.6rem; align-items:flex-start; font-size:.85rem; color:#B9CBD3; margin-bottom:1.2rem; }
.consent input{ margin-top:.25rem; accent-color:var(--cyan); }
.contact-form .btn{ width:100%; }
.form-note{ font-size:.85rem; color:var(--cyan-soft); margin:.9rem 0 0; min-height:1.1rem; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer{ background:var(--abyss); color:#9FB4BD; padding:3.2rem 0 2rem; }
.footer-inner{ display:flex; justify-content:space-between; gap:2rem; flex-wrap:wrap; padding-bottom:2rem; border-bottom:1px solid rgba(143,217,230,.12); }
.footer-brand .brand-name{ color:#fff; }
.footer-brand .brand-sub{ color:#7E97A1; }
.footer-fine{ margin-top:.9rem; max-width:38ch; font-size:.88rem; }
.footer-nav{ display:grid; grid-template-columns:1fr 1fr; gap:.6rem 2.5rem; align-content:start; }
.footer-nav a{ font-size:.9rem; color:#B9CBD3; transition:color .2s; }
.footer-nav a:hover{ color:var(--cyan-soft); }
.footer-legal{ padding-top:1.6rem; display:flex; justify-content:space-between; gap:1.5rem; flex-wrap:wrap; }
.footer-legal p{ font-size:.78rem; color:#6F8791; max-width:70ch; margin:0; }

/* ============================================================
   Reveal animation
   ============================================================ */
@media (prefers-reduced-motion:no-preference){
  .reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
  .reveal.in{ opacity:1; transform:none; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:900px){
  .site-nav{ display:none; }
  .disciplines{ grid-template-columns:repeat(2,1fr); }
  .map-grid{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:720px){
  .header-cta{ display:none; }
  .nav-toggle{ display:flex; }
  .grid-2{ grid-template-columns:1fr; }
  .grid-media.reverse .media{ order:0; }
  .stats{ grid-template-columns:1fr 1fr; }
  .compare-col{ padding:1.3rem; }
  .commit-grid{ grid-template-columns:1fr; }
  .footer-inner{ flex-direction:column; }
  .telemetry{ flex-direction:column; }
  .tele{ border-right:0; border-bottom:1px solid rgba(143,217,230,.14); }
  .tele:last-child{ border-bottom:0; }
}
@media (max-width:420px){
  .disciplines, .map-grid, .stats{ grid-template-columns:1fr; }
}