/* ===== RESET & VARIABLES ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --navy:#1a2332;
  --navy-light:#2c3e50;
  --navy-dark:#0f1720;
  --gold:#c9a84c;
  --gold-light:#dfc373;
  --bg:#f5f6f8;
  --white:#ffffff;
  --gray:#e9ecef;
  --gray-light:#f8f9fa;
  --text:#1a2332;
  --muted:#6c7a8a;
  --radius:10px;
  --radius-lg:16px;
  --font:'Inter',system-ui,-apple-system,sans-serif;
  --display:'Playfair Display',Georgia,serif;
  --shadow-sm:0 1px 4px rgba(0,0,0,.04);
  --shadow-md:0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:0 16px 48px rgba(0,0,0,.12);
  --transition:all .35s cubic-bezier(.4,0,.2,1);
}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== NAVBAR ===== */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:#fff;
  border-bottom:1px solid rgba(0,0,0,.06);
  transition:var(--transition);
}
.navbar.scrolled{box-shadow:0 2px 24px rgba(0,0,0,.08)}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;
}
.nav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-logo-img{height:56px;width:auto;mix-blend-mode:multiply}
.logo-box{
  width:38px;height:38px;display:flex;align-items:center;justify-content:center;
  border:2px solid var(--navy);font-size:.7rem;font-weight:800;letter-spacing:1px;
  color:var(--navy);transition:var(--transition);
}
.logo-box.light{border-color:rgba(255,255,255,.4);color:#fff}
.logo-name{font-weight:800;font-size:1rem;letter-spacing:1.5px;color:var(--navy)}
.logo-name.light{color:#fff}
.footer-logo-link{display:inline-block}
.footer-logo-img{height:70px;width:auto;border-radius:8px;filter:invert(1) hue-rotate(180deg);mix-blend-mode:screen}
.nav-links{display:flex;align-items:center;gap:16px}
.nav-links a{font-size:.8rem;font-weight:500;color:var(--muted);transition:color .3s;position:relative;white-space:nowrap}
.nav-links a::after{
  content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;
  background:var(--navy);transition:width .3s;
}
.nav-links a:hover{color:var(--navy)}
.nav-links a:hover::after{width:100%}
.nav-cta{
  background:transparent !important;color:var(--gold) !important;
  border:1.5px solid var(--gold) !important;
  padding:8px 18px !important;border-radius:var(--radius) !important;font-weight:600 !important;
  font-size:.85rem !important;
  transition:var(--transition) !important;
}
.nav-cta::after{display:none !important}
.nav-cta:hover{background:var(--gold) !important;color:var(--navy) !important;transform:translateY(-1px)}

/* Language Switcher */
.lang-switcher{
  display:flex;gap:4px;padding:3px;background:var(--gray-light);
  border-radius:8px;border:1px solid var(--gray);flex-shrink:0;
}
.lang-btn{
  padding:5px 10px;font-size:.72rem;font-weight:700;letter-spacing:.5px;
  border:none;background:transparent;color:var(--muted);cursor:pointer;
  border-radius:6px;transition:var(--transition);font-family:var(--font);
}
.lang-btn:hover{color:var(--navy);background:rgba(26,35,50,.05)}
.lang-btn.active{background:var(--navy);color:#fff;box-shadow:0 2px 8px rgba(26,35,50,.2)}

/* Hamburger */
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.hamburger span{width:22px;height:2px;background:var(--navy);transition:all .3s}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ===== HERO ===== */
.hero{
  position:relative;min-height:100svh;
  display:flex;align-items:center;justify-content:center;text-align:center;
  overflow:visible;padding:100px 0 48px;box-sizing:border-box;
}
.hero-bg{
  position:absolute;inset:0;
  background:url('img/hero-handshake.jpg') center/cover no-repeat;
  filter:blur(3px);
  transform:scale(1.05);
}
.hero-bg::before{
  content:'';position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(15,23,32,.55) 0%, rgba(26,35,50,.65) 50%, rgba(15,23,32,.75) 100%),
    radial-gradient(circle at 20% 80%, rgba(201,168,76,.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(201,168,76,.05) 0%, transparent 50%);
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3z' fill='%23ffffff' fill-opacity='0.02'/%3E%3C/svg%3E");
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(15,23,32,.3) 0%, transparent 30%, transparent 70%, rgba(15,23,32,.5) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:850px;padding:0 24px}
.hero-title{
  font-family:var(--display);font-size:clamp(3.5rem,8vw,6.5rem);
  font-weight:700;color:#fff;margin-bottom:28px;line-height:1;
  text-shadow:0 4px 40px rgba(0,0,0,.4);
  letter-spacing:-1px;
}
.hero-sub{
  font-size:clamp(1rem,2vw,1.3rem);font-weight:300;
  color:rgba(255,255,255,.75);line-height:1.8;margin-bottom:48px;
  max-width:600px;margin-left:auto;margin-right:auto;
}
.hero-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:nowrap;max-width:960px;margin:0 auto}
.hero-buttons .btn{flex:1;min-width:0;padding:14px 20px;font-size:.82rem;text-align:center}

/* Scroll indicator */
.scroll-indicator{
  position:absolute;bottom:36px;left:50%;transform:translateX(-50%);z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:8px;
}
.scroll-arrow{
  width:24px;height:24px;border-right:2px solid rgba(255,255,255,.3);
  border-bottom:2px solid rgba(255,255,255,.3);transform:rotate(45deg);
  animation:bounce-arrow 2s ease-in-out infinite;
}
@keyframes bounce-arrow{
  0%,100%{transform:rotate(45deg) translateY(0);opacity:.3}
  50%{transform:rotate(45deg) translateY(8px);opacity:.8}
}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:16px 36px;font-size:.88rem;font-weight:600;border-radius:var(--radius);
  border:none;cursor:pointer;transition:var(--transition);
  font-family:var(--font);letter-spacing:.5px;text-transform:uppercase;
}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-gold:hover{background:var(--gold-light);transform:translateY(-2px);box-shadow:0 8px 32px rgba(201,168,76,.35)}
.btn-ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.3)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-light);transform:translateY(-2px);box-shadow:0 8px 24px rgba(26,35,50,.25)}
.nav-cta-login{background:var(--navy)!important;color:#fff!important;padding:8px 18px;border-radius:var(--radius);font-weight:600;font-size:.85rem;transition:var(--transition)}
.nav-cta-login:hover{background:var(--navy-light)!important;transform:translateY(-1px)}
.nav-cta-login::after{display:none!important}
.btn-gold{background:var(--gold);color:var(--navy);font-weight:700}
.btn-gold:hover{background:#d4b95f;transform:translateY(-2px);box-shadow:0 8px 24px rgba(201,168,76,.3)}
.btn-outline{background:transparent;color:var(--navy);border:2px solid var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff;transform:translateY(-2px)}
.btn-wide{width:100%}
.btn-group{display:flex;gap:12px;flex-wrap:wrap}

/* ===== SPLIT SECTION ===== */
.split-section{}
.split-row{padding:80px 0}
.split-row.alt{background:var(--gray-light)}
.split-row .hero-block{margin-bottom:0}
.label{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:3px;
  text-transform:uppercase;color:var(--gold);margin-bottom:18px;
}
.split-content h2{
  font-family:var(--display);font-size:clamp(1.6rem,2.2vw,2.2rem);
  font-weight:700;line-height:1.25;margin-bottom:18px;color:var(--navy);
}
.quote{
  font-size:.9rem;font-style:italic;color:var(--muted);margin-bottom:28px;
  padding-left:18px;border-left:3px solid var(--gold);line-height:1.6;
}
.lead{font-size:1rem;color:var(--muted);margin-bottom:28px;line-height:1.7}
.check-list{list-style:none;margin-bottom:36px;display:flex;flex-direction:column;gap:16px}
.check-list li{font-size:.88rem;line-height:1.5;display:flex;align-items:flex-start;gap:12px}
.check{
  display:inline-flex;align-items:center;justify-content:center;
  width:24px;height:24px;border-radius:50%;background:var(--navy);color:#fff;
  font-size:.7rem;flex-shrink:0;margin-top:1px;
}

/* ===== BENTO ===== */
.bento-section{padding:80px 0;background:var(--white)}
.bento-title{
  font-family:var(--display);font-size:1.5rem;font-weight:700;
  text-align:center;color:var(--navy);margin-bottom:40px;
}
.bento-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.bento{
  position:relative;padding:40px 28px 32px;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(160deg,#e8ecf0 0%,#d4dae0 40%,#c0c8d0 100%);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:
    inset 0 2px 0 rgba(255,255,255,.6),
    inset 0 -2px 0 rgba(0,0,0,.04),
    0 4px 20px rgba(0,0,0,.06);
  transition:var(--transition);
}
.bento:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.bento-num{
  font-family:var(--display);font-size:.85rem;font-weight:700;
  color:var(--navy);opacity:.35;margin-top:12px;letter-spacing:1px;
}
.bento-icon{color:var(--navy);opacity:.7;margin-bottom:4px}
.bento h3{font-size:.95rem;font-weight:700;color:var(--navy);line-height:1.35;margin-top:8px}
.bento p{font-size:.82rem;color:var(--muted);line-height:1.5;margin-top:8px}

/* ===== PAGE SECTIONS ===== */
.page-section{padding:100px 0;background:var(--white)}
.page-section.alt{background:var(--bg)}
.section-head{text-align:center;max-width:640px;margin:0 auto 64px}
.section-head h2{
  font-family:var(--display);font-size:clamp(2rem,3.5vw,2.8rem);
  font-weight:700;margin-bottom:16px;line-height:1.2;color:var(--navy);
}
.section-head p{font-size:1.05rem;color:var(--muted);line-height:1.7}

/* ===== HERO BLOCK (image + text) ===== */
.hero-block{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:64px}
.hero-block.reverse{direction:rtl}
.hero-block.reverse>*{direction:ltr}
.hero-block-text h2{
  font-family:var(--display);font-size:clamp(1.8rem,3vw,2.6rem);
  font-weight:700;margin-bottom:16px;line-height:1.2;color:var(--navy);
}
.hero-block-text p{font-size:1rem;color:var(--muted);line-height:1.7;margin-bottom:28px}
.hero-block-img{
  width:100%;aspect-ratio:4/3;border-radius:var(--radius-lg);overflow:hidden;position:relative;
}
.img-propietari{
  background:#c5d5e0;
}
.img-propietari img{
  width:100%;height:100%;object-fit:cover;
}
.img-resident{
  background:#e0d5c5;
}
.img-resident img{
  width:100%;height:100%;object-fit:cover;
}
.img-team{
  background:#d0d8e0;
}
.img-team img{
  width:100%;height:100%;object-fit:cover;
}
.img-placeholder{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.35);
}

/* ===== CARDS ===== */
.cards-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--white);border:1px solid var(--gray);border-radius:var(--radius-lg);
  padding:36px 28px;transition:var(--transition);
  box-shadow:var(--shadow-sm);
}
.page-section.alt .card{background:var(--white)}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.card-icon{
  width:56px;height:56px;border-radius:14px;
  background:var(--bg);display:flex;align-items:center;justify-content:center;
  margin-bottom:22px;color:var(--navy);
}
.card h3{font-size:1rem;font-weight:700;margin-bottom:10px;color:var(--navy)}
.card p{font-size:.88rem;color:var(--muted);line-height:1.65}

/* ===== STEPS ===== */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{
  background:var(--white);border:1px solid var(--gray);border-radius:var(--radius-lg);
  padding:40px 24px;text-align:center;transition:var(--transition);
  box-shadow:var(--shadow-sm);position:relative;
}
.step:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.step-num{
  width:56px;height:56px;border-radius:50%;background:var(--navy);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:1.2rem;font-weight:700;margin-bottom:18px;
  box-shadow:0 4px 16px rgba(26,35,50,.2);
}
.step h3{font-size:1rem;font-weight:700;margin-bottom:10px;color:var(--navy)}
.step p{font-size:.85rem;color:var(--muted);line-height:1.6}
.step-highlight{
  grid-column:1/-1;background:linear-gradient(135deg,var(--navy),#2a3a52);
  border:2px solid var(--gold);
}
.step-highlight .step-num{background:var(--gold);color:var(--navy)}
.step-highlight h3{color:var(--gold)}
.step-highlight p{color:rgba(255,255,255,.85)}

/* ===== CALCULADORA ===== */
.calc-box{max-width:800px;margin:0 auto}
.calc-form{
  background:var(--white);border:1px solid var(--gray);border-radius:var(--radius-lg);
  padding:44px;margin-bottom:20px;box-shadow:var(--shadow-sm);
}
.calc-fields{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:28px}
.calc-fields-2{grid-template-columns:repeat(2,1fr)}
.field label{display:block;font-size:.8rem;font-weight:600;margin-bottom:8px;color:var(--navy);letter-spacing:.3px}
.input-wrap{position:relative;display:flex;align-items:center}
.input-prefix,.input-suffix{
  font-size:.85rem;color:var(--muted);font-weight:500;
  position:absolute;pointer-events:none;
}
.input-prefix{left:14px}
.input-suffix{right:14px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;background:var(--gray-light);
  border:1px solid var(--gray);border-radius:8px;color:var(--text);
  font-family:var(--font);font-size:.92rem;transition:var(--transition);
}
.input-wrap .input-prefix~input{padding-left:32px}
.input-wrap .input-suffix~input{padding-right:50px}
.input-wrap input~.input-suffix{right:14px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--navy);background:var(--white);
  box-shadow:0 0 0 3px rgba(26,35,50,.08);
}
.field input::placeholder,.field textarea::placeholder{color:#b0b8c4}
.field select{
  appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236c7a8a' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
  background-color:var(--gray-light);
}
.field textarea{resize:vertical;min-height:100px}

.calc-results-grid{
  display:grid;grid-template-columns:1fr;gap:20px;margin-top:20px;
}
.calc-results-grid .calc-result-card:first-child{
  background:var(--navy);border-radius:var(--radius-lg);padding:32px;text-align:center;color:#fff;
  box-shadow:0 8px 32px rgba(26,35,50,.2);
}
.calc-results-grid .card-prop,.calc-results-grid .card-res{
  border-radius:var(--radius-lg);padding:32px;text-align:center;color:#fff;
  box-shadow:0 4px 20px rgba(26,35,50,.12);position:relative;
}
.card-prop{background:linear-gradient(135deg,#1a2332 0%,#2c3e50 100%)}
.card-res{background:linear-gradient(135deg,#2c3e50 0%,#34495e 100%)}
.calc-card-icon{font-size:2rem;display:block;margin-bottom:8px}
.calc-label{display:block;font-size:.85rem;opacity:.7;margin-bottom:8px;letter-spacing:.5px;text-transform:uppercase}
.calc-amount{
  display:block;font-family:var(--display);font-size:clamp(2rem,4vw,3rem);
  font-weight:700;margin-bottom:10px;color:#fff;
}
.calc-amount.gold{color:var(--gold)}
.calc-note{font-size:.78rem;opacity:.5;display:block}
.calc-sub-amount{display:block;font-size:.85rem;opacity:.55;margin-bottom:6px;letter-spacing:.3px}
/* Gastos propietari */
.calc-gastos{
  list-style:none;padding:0;margin:18px 0 0;text-align:left;
  border-top:1px solid rgba(255,255,255,.12);padding-top:16px;
}
.calc-gastos li{
  display:flex;align-items:flex-start;gap:8px;
  font-size:.78rem;opacity:.8;margin-bottom:10px;line-height:1.4;
}
.calc-gastos li:last-child{margin-bottom:0}
.gasto-icon{font-size:.85rem;flex-shrink:0;color:#4ecdc4}
.gasto-icon.alert{color:#e6a23c}
/* Credit section */
.calc-credit-section{
  margin-top:12px;padding-top:14px;border-top:1px solid rgba(255,255,255,.1);
  text-align:center;
}
/* Traditional rent style */
.calc-monthly-tag.trad{color:#e74c3c;opacity:.85}
.calc-monthly-big.trad{color:#e74c3c;text-decoration:line-through;opacity:.7}
.calc-monthly-tag.usufruct{color:#4ecdc4;opacity:.85}
.calc-monthly-big.usufruct{color:#4ecdc4}
.calc-monthly-options{
  display:grid;grid-template-columns:1fr 1fr;gap:12px;
  margin-top:20px;padding-top:20px;border-top:1px solid rgba(255,255,255,.15);
}
.calc-monthly-card{
  background:rgba(255,255,255,.06);border-radius:12px;padding:16px 12px;text-align:center;
  border:1px solid rgba(255,255,255,.08);min-width:0;overflow:hidden;
}
.calc-monthly-tag{
  display:block;font-size:.65rem;text-transform:uppercase;letter-spacing:.4px;
  opacity:.6;margin-bottom:8px;font-weight:600;word-wrap:break-word;
}
.calc-monthly-tag.credit{color:#4ecdc4;opacity:.8}
.calc-monthly-big{
  display:block;font-family:var(--display);font-size:clamp(1.2rem,2.5vw,1.8rem);
  font-weight:700;color:var(--gold);margin-bottom:4px;white-space:nowrap;
}
.calc-monthly-big span{font-size:.55em;opacity:.7;font-weight:400}
.calc-monthly-big.credit{color:#4ecdc4}
.calc-monthly-note{display:block;font-size:.65rem;opacity:.45;word-wrap:break-word}
.calc-disclaimer{text-align:center;font-size:.8rem;color:var(--muted);margin-top:16px;opacity:.6}
@media(min-width:768px){
  .calc-results-grid{grid-template-columns:1fr 1fr;gap:20px}
  .calc-results-grid .calc-result-card:first-child{grid-column:1/-1}
}
@media(max-width:900px){.calc-monthly-options{grid-template-columns:1fr}}

/* ===== CONTACT ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:48px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:32px;padding-top:8px}
.c-item{display:flex;gap:16px;align-items:flex-start}
.c-icon{
  width:52px;height:52px;border-radius:14px;background:var(--white);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  color:var(--navy);border:1px solid var(--gray);
  box-shadow:var(--shadow-sm);
}
.c-item strong{display:block;font-size:.85rem;font-weight:700;margin-bottom:3px}
.c-item span{font-size:.9rem;color:var(--muted)}
.form-card{
  background:var(--white);border:1px solid var(--gray);border-radius:var(--radius-lg);
  padding:44px;display:flex;flex-direction:column;gap:20px;
  box-shadow:var(--shadow-md);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}

/* ===== FOOTER ===== */
.footer{background:var(--navy-dark);color:#fff;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding-bottom:48px}
.footer-brand p{color:rgba(255,255,255,.45);font-size:.88rem;margin-top:16px;line-height:1.6}
.footer-col h4{
  font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:2.5px;
  margin-bottom:22px;color:rgba(255,255,255,.35);
}
.footer-col a{display:block;font-size:.88rem;color:rgba(255,255,255,.5);padding:5px 0;transition:color .3s}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:24px 0;text-align:center}
.footer-bottom p{font-size:.78rem;color:rgba(255,255,255,.3)}

/* ===== ANIMATIONS ===== */
.reveal{opacity:0;transform:translateY(32px);transition:opacity .7s cubic-bezier(.4,0,.2,1),transform .7s cubic-bezier(.4,0,.2,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}

/* ===== RESPONSIVE ===== */
/* Empresa highlight responsive */
@media(max-width:768px){
  .empresa-highlight{grid-template-columns:1fr !important;padding:32px !important;text-align:center}
}

@media(max-width:1024px){
  .split-row{padding:60px 0}
  .hero-block,.hero-block.reverse{grid-template-columns:1fr;direction:ltr}
  .hero-block-img{order:-1}
}
@media(max-width:900px){
  .nav-links{
    display:none;flex-direction:column;position:absolute;top:72px;left:0;right:0;
    background:rgba(255,255,255,.98);backdrop-filter:blur(12px);
    padding:24px;gap:16px;border-bottom:1px solid var(--gray);
    box-shadow:var(--shadow-lg);
  }
  .nav-links.open{display:flex}
  .hamburger{display:flex}
  .lang-switcher{margin-right:12px}
  .cards-row,.steps-grid,.bento-row{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .calc-fields{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
}
@media(max-width:600px){
  .page-section{padding:64px 0}
  .hero{min-height:600px}
  .hero-title{font-size:3rem}
  .hero-buttons{flex-direction:column;align-items:center}
  .hero-buttons .btn{width:100%;max-width:300px}
  .calc-form,.form-card{padding:24px}
  .split-row{padding:40px 0}
  .lang-switcher{gap:2px}
  .lang-btn{padding:4px 7px;font-size:.65rem}
}