/* ============================================
   nanà — gioielli in argento e smalto
   Stylesheet principale
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&family=Quicksand:wght@600;700&family=Playfair+Display:ital,wght@1,500;1,600&display=swap');

:root{
  --pink:#ff2e87;
  --pink-dark:#d81368;
  --pink-soft:#ffd6ea;
  --ink:#171512;
  --white:#fffdfb;
  --cream:#faf5ee;
  --orange:#ff7a3d;
  --red:#ef4056;
  --teal:#20c1b3;
  --green:#7ed957;
  --blue:#4d9de0;
  --purple:#b083e0;
  --yellow:#ffce54;

  --font-body: 'Poppins', sans-serif;
  --font-logo: 'Quicksand', sans-serif;
  --font-script: 'Playfair Display', serif;

  --container: 1180px;
  --nav-h: 84px;
  --ease: cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
html,body{ overflow-x:hidden; }

body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font-family:inherit; border:none; background:none; cursor:pointer; }
input,textarea{ font-family:inherit; }

.container{ max-width:var(--container); margin:0 auto; padding:0 28px; }

section{ position:relative; }

.section-tag{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.78rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase;
  color:var(--pink); margin-bottom:14px;
}
.section-tag::before{
  content:'💎'; font-size:.9rem;
}

h1,h2,h3,h4{ font-family:var(--font-logo); font-weight:700; line-height:1.15; }

.script{ font-family:var(--font-script); font-style:italic; font-weight:600; color:var(--pink); }

.eyebrow-line{ display:flex; align-items:center; gap:12px; }

/* ---------- buttons ---------- */
.btn{
  position:relative;
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:16px 32px;
  border-radius:100px;
  font-weight:600; font-size:.95rem;
  cursor:pointer;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
  white-space:nowrap;
  isolation:isolate;
}
.btn-primary{
  background:var(--pink); color:#fff;
  box-shadow:0 10px 30px -8px rgba(255,46,135,.6);
}
.btn-primary:hover{ transform:translateY(-3px) scale(1.03); box-shadow:0 16px 40px -8px rgba(255,46,135,.75); }
.btn-outline{
  background:transparent; color:var(--ink);
  border:2px solid var(--ink);
}
.btn-outline:hover{ background:var(--ink); color:#fff; transform:translateY(-3px); }
.btn-light{
  background:#fff; color:var(--pink);
}
.btn-light:hover{ transform:translateY(-3px) scale(1.03); }
.btn-wa{
  background:#25D366; color:#fff;
  box-shadow:0 10px 30px -8px rgba(37,211,102,.6);
}
.btn-wa:hover{ transform:translateY(-3px) scale(1.03); }

/* ---------- custom cursor (desktop only) ---------- */
@media (hover:hover){
  *{ cursor:none !important; }
}
.cursor-ring{
  position:fixed; top:0; left:0; pointer-events:none; z-index:9999;
  border-radius:50%;
  transform:translate(-50%,-50%);
  mix-blend-mode:difference;
  width:38px; height:38px; border:2px solid #fff;
  transition:width .25s var(--ease), height .25s var(--ease), opacity .2s ease, background .25s ease;
}
.cursor-ring.is-active{ width:64px; height:64px; background:rgba(255,255,255,.15); }
@media (hover:none){ .cursor-ring{ display:none; } }

/* ---------- preloader ---------- */
#preloader{
  position:fixed; inset:0; z-index:10000;
  background:var(--ink);
  display:flex; align-items:center; justify-content:center;
  transition:opacity .6s var(--ease), visibility .6s var(--ease);
}
#preloader.hide{ opacity:0; visibility:hidden; pointer-events:none; }
.preloader-badge{
  background:#fff;
  border-radius:28px;
  padding:26px 40px;
  box-shadow:0 30px 60px -20px rgba(0,0,0,.5);
  opacity:0;
  animation:badgePop .7s var(--ease) forwards;
}
.preloader-badge img{ height:clamp(46px,7vw,72px); width:auto; display:block; }
@keyframes badgePop{
  0%{ opacity:0; transform:scale(.7) translateY(20px); }
  100%{ opacity:1; transform:scale(1) translateY(0); }
}

/* ---------- nav ---------- */
header.nav{
  position:fixed; top:0; left:0; right:0; z-index:900;
  height:var(--nav-h);
  display:flex; align-items:center;
  background:rgba(255,253,251,0);
  transition:background .4s var(--ease), height .4s var(--ease), box-shadow .4s var(--ease);
}
header.nav.scrolled{
  height:68px;
  background:rgba(255,253,251,.9);
  backdrop-filter:blur(14px);
  box-shadow:0 8px 30px -12px rgba(0,0,0,.15);
}
.nav-inner{ width:100%; display:flex; align-items:center; justify-content:space-between; }
.logo{
  display:flex; align-items:center; gap:8px;
  font-family:var(--font-logo); font-weight:700; font-size:1.5rem;
  color:var(--pink);
}
.logo .diamond{ font-size:1.1rem; }
.logo img{ height:38px; width:auto; display:block; }

.nav-links{ display:flex; align-items:center; gap:38px; }
.nav-links a{
  position:relative; font-weight:600; font-size:.95rem;
  padding:6px 0;
}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:2px;
  background:var(--pink); transition:width .3s var(--ease);
}
.nav-links a:hover::after, .nav-links a.active::after{ width:100%; }
.nav-links a.active{ color:var(--pink); }

.nav-cta{ display:flex; align-items:center; gap:18px; }
.nav-cta .btn{ padding:12px 24px; font-size:.85rem; }

.burger{
  display:none; flex-direction:column; gap:6px; width:32px; z-index:1200;
}
.burger span{ height:2px; width:100%; background:var(--ink); transition:transform .35s var(--ease), opacity .35s var(--ease); }
.burger.open span:nth-child(1){ transform:translateY(8px) rotate(45deg); }
.burger.open span:nth-child(2){ opacity:0; }
.burger.open span:nth-child(3){ transform:translateY(-8px) rotate(-45deg); }

.mobile-panel{
  position:fixed; inset:0; z-index:1100;
  background:var(--ink);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:34px;
  transform:translateX(100%);
  transition:transform .5s var(--ease);
}
.mobile-panel.open{ transform:translateX(0); }
.mobile-panel a{ color:#fff; font-family:var(--font-logo); font-size:1.8rem; font-weight:700; }
.mobile-panel a:hover{ color:var(--pink); }

/* ---------- hero ---------- */
.hero{
  min-height:100vh; display:flex; align-items:center;
  padding-top:var(--nav-h);
  padding-bottom:70px;
  overflow:hidden;
}
.hero-inner{
  display:grid; grid-template-columns:1.1fr .9fr; gap:40px; align-items:center;
  width:100%;
}
.hero h1{
  font-size:clamp(2.6rem,6vw,4.6rem);
  margin:14px 0 22px;
}
.hero h1 .word{ display:inline-block; overflow:hidden; }
.hero h1 .word span{
  display:inline-block; transform:translateY(110%);
  animation:riseUp .9s var(--ease) forwards;
}
@keyframes riseUp{ to{ transform:translateY(0); } }

.hero p.lead{ font-size:1.15rem; color:#4a463f; max-width:480px; margin-bottom:34px; }
.hero-actions{ display:flex; gap:18px; flex-wrap:wrap; }

.hero-visual{
  position:relative; height:520px;
}
.blob{
  position:absolute; border-radius:50%;
  overflow:hidden;
  animation:float 8s ease-in-out infinite;
  box-shadow:0 20px 40px -12px rgba(23,21,18,.25);
}
.blob img{ width:100%; height:100%; object-fit:cover; border-radius:50%; }
.blob img.logo-mark{ padding:16%; box-sizing:border-box; background:#fff; object-fit:contain; }
.b1{ width:220px; height:220px; background:var(--orange); top:0; right:40px; animation-delay:0s; }
.b2{ width:150px; height:150px; background:var(--teal); bottom:60px; right:0; animation-delay:1.2s; }
.b3{ width:130px; height:130px; background:var(--purple); bottom:0; left:20px; animation-delay:2.4s; }
.b4{ width:90px; height:90px; background:var(--yellow); top:40px; left:0; animation-delay:.6s; }
.b5{ width:70px; height:70px; background:var(--red); top:220px; right:160px; animation-delay:1.8s; }
@keyframes float{
  0%,100%{ transform:translateY(0) rotate(0); }
  50%{ transform:translateY(-26px) rotate(6deg); }
}
.ring-icon{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
}

/* ---------- marquee ---------- */
.marquee{
  background:var(--ink); color:#fff; overflow:hidden;
  padding:20px 0; white-space:nowrap;
}
.marquee-track{
  display:inline-flex; gap:40px;
  animation:scrollLeft 22s linear infinite;
}
.marquee-track span{
  font-family:var(--font-logo); font-weight:700; font-size:1.3rem; letter-spacing:.05em;
  display:inline-flex; align-items:center; gap:16px;
}
.marquee-track span::after{ content:'✦'; color:var(--pink); }
@keyframes scrollLeft{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}

/* ---------- reveal ---------- */
.reveal{ opacity:0; transform:translateY(46px); transition:opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in{ opacity:1; transform:translateY(0); }
.reveal-scale{ opacity:0; transform:scale(.85); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal-scale.in{ opacity:1; transform:scale(1); }
.stagger .reveal:nth-child(1){ transition-delay:0s; }
.stagger .reveal:nth-child(2){ transition-delay:.12s; }
.stagger .reveal:nth-child(3){ transition-delay:.24s; }
.stagger .reveal:nth-child(4){ transition-delay:.36s; }

/* ---------- section headers ---------- */
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head h2{ font-size:clamp(2rem,4.4vw,3rem); }

.pad{ padding:120px 0; }
.pad-sm{ padding:80px 0; }
.bg-cream{ background:var(--cream); }
.bg-ink{ background:var(--ink); color:#fff; }
.bg-ink .script{ color:var(--yellow); }

/* ---------- product cards ---------- */
.grid-products{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:30px;
}
.card{
  position:relative;
  background:#fff;
  border-radius:26px;
  padding:28px;
  box-shadow:0 20px 50px -25px rgba(23,21,18,.25);
  transition:transform .1s linear, box-shadow .4s var(--ease);
  transform-style:preserve-3d;
  will-change:transform;
}
.card:hover{ box-shadow:0 30px 60px -20px rgba(23,21,18,.35); }
.card-swatch{
  height:190px; border-radius:18px; margin-bottom:20px;
  display:flex; align-items:center; justify-content:center;
  position:relative; overflow:hidden;
}
.card-swatch svg{ width:64px; height:64px; transform:translateZ(30px); filter:drop-shadow(0 8px 14px rgba(0,0,0,.18)); }
.card-swatch img{ width:100%; height:100%; object-fit:cover; }
.card-swatch::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(140deg, rgba(255,255,255,.35), transparent 60%);
}
.card h3{ font-size:1.15rem; margin-bottom:6px; }
.card .desc{ font-size:.88rem; color:#726d63; margin-bottom:14px; }
.card .price{ font-weight:700; color:var(--pink); }
.card-foot{ display:flex; align-items:center; justify-content:space-between; margin-top:16px; }
.tag-color{
  font-size:.72rem; font-weight:700; text-transform:uppercase; letter-spacing:.08em;
  padding:5px 12px; border-radius:100px; color:#fff;
}

.swatch-orange{ background:var(--orange); } .tag-orange{ background:var(--orange); }
.swatch-red{ background:var(--red); } .tag-red{ background:var(--red); }
.swatch-teal{ background:var(--teal); } .tag-teal{ background:var(--teal); }
.swatch-green{ background:var(--green); } .tag-green{ background:var(--green); }
.swatch-blue{ background:var(--blue); } .tag-blue{ background:var(--blue); }
.swatch-purple{ background:var(--purple); } .tag-purple{ background:var(--purple); }
.swatch-pink{ background:var(--pink); } .tag-pink{ background:var(--pink); }
.swatch-yellow{ background:var(--yellow); } .tag-yellow{ background:var(--yellow); }

/* ---------- features ---------- */
.feat-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:30px; }
.feat{
  padding:38px 30px; border-radius:24px; background:#fff;
  box-shadow:0 20px 50px -30px rgba(23,21,18,.2);
}
.feat .icon{
  width:56px; height:56px; border-radius:16px; background:var(--pink-soft);
  display:flex; align-items:center; justify-content:center; font-size:1.5rem; margin-bottom:20px;
}
.feat h3{ font-size:1.2rem; margin-bottom:10px; }
.feat p{ color:#726d63; font-size:.94rem; }

/* ---------- instagram cta ---------- */
.insta-cta{
  border-radius:32px;
  background:linear-gradient(120deg,#ff2e87,#ff7a3d 45%,#ffce54 100%);
  padding:70px 50px;
  color:#fff;
  display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap;
  position:relative; overflow:hidden;
}
.insta-cta::before{
  content:'💎'; position:absolute; font-size:14rem; opacity:.12; right:-30px; top:-40px; transform:rotate(-15deg);
}
.insta-cta h2{ font-size:clamp(1.8rem,3.6vw,2.6rem); max-width:520px; }
.insta-stats{ display:flex; gap:34px; }
.insta-stats div{ text-align:center; }
.insta-stats strong{ display:block; font-family:var(--font-logo); font-size:1.8rem; }
.insta-stats span{ font-size:.8rem; opacity:.85; }

/* ---------- footer ---------- */
footer{
  background:var(--ink); color:#fff; padding:80px 0 30px;
}
.footer-grid{
  display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:50px; margin-bottom:60px;
}
.footer-grid h4{ font-size:1rem; margin-bottom:20px; color:var(--pink); }
.footer-grid p{ color:#c9c4ba; font-size:.92rem; max-width:320px; }
.footer-grid a{ display:block; color:#e7e3da; font-size:.92rem; margin-bottom:12px; transition:color .3s; }
.footer-grid a:hover{ color:var(--pink); }
.footer-logo{ font-family:var(--font-logo); font-weight:700; font-size:1.7rem; color:#fff; margin-bottom:16px; display:flex; gap:8px; }
.footer-logo .diamond{ color:var(--pink); }
.footer-logo-badge{
  display:inline-flex; background:#fff; border-radius:16px; padding:10px 18px;
  margin-bottom:20px;
}
.footer-logo-badge img{ height:30px; width:auto; display:block; }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12); padding-top:26px;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px;
  font-size:.82rem; color:#8b867c;
}
.social-row{ display:flex; gap:14px; }
.social-row a{
  width:42px; height:42px; border-radius:50%; border:1px solid rgba(255,255,255,.2);
  display:flex; align-items:center; justify-content:center; font-size:1rem;
  transition:background .3s, transform .3s;
}
.social-row a:hover{ background:var(--pink); border-color:var(--pink); transform:translateY(-4px); }

/* ---------- whatsapp floating button ---------- */
.fab-wa{
  position:fixed; bottom:28px; right:28px; z-index:800;
  width:62px; height:62px; border-radius:50%;
  background:#25D366; color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:1.6rem;
  box-shadow:0 12px 30px -8px rgba(37,211,102,.7);
  animation:pulse 2.6s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{ box-shadow:0 0 0 0 rgba(37,211,102,.55), 0 12px 30px -8px rgba(37,211,102,.7); }
  50%{ box-shadow:0 0 0 14px rgba(37,211,102,0), 0 12px 30px -8px rgba(37,211,102,.7); }
}

/* ---------- page header (inner pages) ---------- */
.page-head{
  padding:190px 0 90px;
  text-align:center;
  position:relative; overflow:hidden;
}
.page-head h1{ font-size:clamp(2.6rem,6vw,4rem); margin-top:14px; }
.page-head .blob{ opacity:.85; }

/* ---------- filters (collezione) ---------- */
.filters{ display:flex; gap:12px; flex-wrap:wrap; justify-content:center; margin-bottom:56px; }
.filter-pill{
  padding:11px 24px; border-radius:100px; border:2px solid #e7e1d6;
  font-weight:600; font-size:.88rem;
  transition:all .3s var(--ease);
}
.filter-pill.active, .filter-pill:hover{ background:var(--ink); border-color:var(--ink); color:#fff; }

.product-hide{ display:none; }

/* ---------- chi siamo ---------- */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:70px; align-items:center; }
.split img, .split .img-frame{ border-radius:28px; }
.img-frame{
  aspect-ratio:4/5; background:linear-gradient(135deg,var(--orange),var(--pink)); position:relative; overflow:hidden;
  display:flex; align-items:center; justify-content:center;
}
.img-frame span{ font-size:6rem; }
.img-frame img{ width:100%; height:100%; object-fit:cover; display:block; }

.photo-banner{
  border-radius:28px; overflow:hidden; margin-bottom:60px;
  box-shadow:0 30px 60px -30px rgba(23,21,18,.35);
}
.photo-banner img{ width:100%; max-height:460px; object-fit:cover; display:block; }

.stats-row{ display:flex; gap:50px; margin-top:40px; flex-wrap:wrap; }
.stat{ }
.stat strong{ font-family:var(--font-logo); font-size:2.6rem; color:var(--pink); display:block; }
.stat span{ font-size:.85rem; color:#726d63; }

.values-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:30px; }

/* ---------- accordion (contatti/faq) ---------- */
.accordion-item{
  border-bottom:1px solid #e7e1d6;
}
.accordion-head{
  display:flex; align-items:center; justify-content:space-between;
  padding:26px 4px; cursor:pointer; font-weight:600; font-size:1.05rem;
}
.accordion-head .plus{
  font-size:1.4rem; transition:transform .35s var(--ease); color:var(--pink);
}
.accordion-item.open .plus{ transform:rotate(135deg); }
.accordion-body{
  max-height:0; overflow:hidden; transition:max-height .4s var(--ease);
}
.accordion-body p{ padding:0 4px 24px; color:#726d63; max-width:640px; }

/* ---------- contact page layout ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:60px; }
.contact-card{
  background:#fff; border-radius:26px; padding:40px; box-shadow:0 20px 50px -30px rgba(23,21,18,.2);
  display:flex; flex-direction:column; gap:22px;
}
.contact-row{ display:flex; align-items:center; gap:16px; }
.contact-row .ic{
  width:50px; height:50px; border-radius:14px; background:var(--pink-soft); color:var(--pink);
  display:flex; align-items:center; justify-content:center; font-size:1.3rem; flex-shrink:0;
}
.contact-row h4{ font-size:.95rem; }
.contact-row p, .contact-row a{ color:#726d63; font-size:.92rem; }

.form-group{ margin-bottom:18px; }
.form-group label{ display:block; font-size:.85rem; font-weight:600; margin-bottom:8px; }
.form-group input, .form-group textarea{
  width:100%; padding:14px 18px; border-radius:14px; border:2px solid #e7e1d6;
  font-size:.95rem; transition:border-color .3s;
}
.form-group input:focus, .form-group textarea:focus{ outline:none; border-color:var(--pink); }
.form-group textarea{ resize:vertical; min-height:120px; }

/* ---------- magnetic ---------- */
.magnetic{ display:inline-block; }

/* ---------- quiz "che colore sei" ---------- */
.quiz-card{
  background:#fff; border-radius:28px; padding:48px 40px;
  box-shadow:0 25px 60px -30px rgba(23,21,18,.3);
}
.quiz-progress{ height:6px; background:#f0ece4; border-radius:100px; margin-bottom:36px; overflow:hidden; }
.quiz-progress-bar{ height:100%; width:0%; background:var(--pink); border-radius:100px; transition:width .4s var(--ease); }
.quiz-question h3{ font-size:1.3rem; margin-bottom:24px; }
.quiz-options{ display:flex; flex-direction:column; gap:14px; }
.quiz-option{
  text-align:left; padding:18px 22px; border-radius:16px; border:2px solid #e7e1d6;
  font-weight:600; font-size:.98rem; transition:all .25s var(--ease);
}
.quiz-option:hover{ border-color:var(--pink); background:var(--pink-soft); transform:translateX(4px); }

.quiz-result{ text-align:center; }
.quiz-result-swatch{
  width:90px; height:90px; border-radius:50%; margin:0 auto 20px;
  box-shadow:0 15px 30px -10px rgba(23,21,18,.3);
}
.quiz-result h2{ font-size:2.2rem; margin-bottom:14px; color:var(--pink); }
.quiz-restart{
  display:block; margin:24px auto 0; font-weight:600; color:#8a8578; text-decoration:underline;
}
.quiz-restart:hover{ color:var(--pink); }

/* ---------- stack builder (collezione page) ---------- */
.stack-builder{
  display:grid; grid-template-columns:1fr 1fr; gap:50px; align-items:center;
  background:#fff; border-radius:28px; padding:40px; margin-bottom:56px;
  box-shadow:0 25px 60px -30px rgba(23,21,18,.25);
}
.diamond-picker{ margin-bottom:22px; }
.diamond-picker-label{ display:block; font-size:.85rem; font-weight:700; margin-bottom:10px; color:#4a463f; }
.diamond-options{ display:flex; gap:10px; flex-wrap:wrap; }
.diamond-option{
  font-size:.85rem; font-weight:600; padding:9px 16px; border-radius:100px; border:2px solid #e7e1d6;
  transition:all .25s var(--ease);
}
.diamond-option:hover{ border-color:var(--pink); }
.diamond-option.active{ background:var(--ink); border-color:var(--ink); color:#fff; }

.stack-swatches{ display:flex; flex-wrap:wrap; gap:12px; margin-bottom:24px; }
.stack-swatch{
  width:44px; height:44px; border-radius:50%; border:3px solid #fff;
  box-shadow:0 0 0 2px #e7e1d6; cursor:pointer; transition:transform .25s var(--ease), box-shadow .25s var(--ease);
}
.stack-swatch:hover{ transform:scale(1.14); box-shadow:0 0 0 2px var(--pink); }
.stack-actions{ display:flex; gap:12px; flex-wrap:wrap; align-items:center; }
.stack-btn{
  font-size:.85rem; font-weight:600; padding:11px 20px; border-radius:100px; border:2px solid #e7e1d6;
  transition:border-color .25s var(--ease);
}
.stack-btn:hover{ border-color:var(--ink); }

.stack-preview{
  min-height:260px; display:flex; flex-direction:column-reverse; align-items:center; justify-content:flex-start; gap:8px;
  background:var(--cream); border-radius:20px; padding:24px;
}
.stack-empty-hint{ color:#a49f92; font-size:.9rem; text-align:center; }
.stack-ring-bar{
  position:relative;
  width:80%; max-width:220px; height:34px; border-radius:100px; flex-shrink:0;
  box-shadow:inset 0 4px 8px rgba(255,255,255,.4), 0 4px 10px -4px rgba(0,0,0,.3);
  animation:ringDrop .4s var(--ease) backwards;
  display:flex; align-items:center; justify-content:center;
}
.stack-diamond{
  position:relative;
  background:linear-gradient(135deg,#ffffff,#dbe6ee 45%,#ffffff);
  border:1px solid #c6d2da;
  box-shadow:0 2px 6px rgba(0,0,0,.3), inset 0 0 4px rgba(255,255,255,.9);
  transform:rotate(45deg);
}
.stack-diamond.diamond-large{ width:22px; height:22px; }
.stack-diamond.diamond-small{ width:12px; height:12px; }
.stack-diamonds-row{ display:flex; align-items:center; gap:8px; }
@keyframes ringDrop{
  from{ opacity:0; transform:translateY(-16px) scale(.9); }
  to{ opacity:1; transform:translateY(0) scale(1); }
}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .hero-inner, .split, .contact-grid, .stack-builder{ grid-template-columns:1fr; }
  .hero-visual{ height:360px; order:-1; }
  .feat-grid, .values-grid{ grid-template-columns:1fr 1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:36px; }
  .nav-links, .nav-cta .btn-outline{ display:none; }
  .burger{ display:flex; }
  .insta-cta{ flex-direction:column; text-align:center; justify-content:center; }
}
@media (max-width:640px){
  .feat-grid, .values-grid{ grid-template-columns:1fr; }
  .pad{ padding:80px 0; }
  .insta-stats{ gap:22px; }
  h1{ font-size:2.4rem !important; }
}