/* ============================================================
   ADDR Studio — premium marketing site
   ============================================================ */
:root{
  --green:#5f9e2e;
  --green-dark:#4d8526;
  --green-light:#7cb33f;
  --green-tint:#eef5e6;
  --ink:#17181a;
  --ink-2:#2c2f33;
  --muted:#6b7280;
  --muted-2:#8a9198;
  --line:#e5e7eb;
  --bg:#ffffff;
  --bg-soft:#f5f6f7;
  --bg-soft-2:#eeeff1;
  --surface:#ffffff;
  --surface-2:#ffffff;
  --header-bg:rgba(255,255,255,.82);
  --cta-grad:linear-gradient(180deg,#ffffff,#f4f5f6);
  --logo-color:#9aa0a2;
  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(17,18,20,.05),0 4px 12px -4px rgba(17,18,20,.06);
  --shadow-md:0 10px 30px -8px rgba(17,18,20,.12),0 3px 8px rgba(17,18,20,.05);
  --shadow-lg:0 30px 60px -14px rgba(17,18,20,.16),0 10px 22px -10px rgba(17,18,20,.10);
  --maxw:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}

/* ---------- Dark theme ---------- */
html[data-theme="dark"]{
  --green:#6cbf3f;
  --green-dark:#5aa831;
  --green-light:#8ad85c;
  --green-tint:#1b2416;
  --ink:#f2f5f0;
  --ink-2:#cdd3ce;
  --muted:#9099a0;
  --muted-2:#6f767a;
  --line:rgba(255,255,255,.09);
  --bg:#0a0b0a;
  --bg-soft:#0f110f;
  --bg-soft-2:#0c0e0c;
  --surface:#141714;
  --surface-2:#1c201c;
  --header-bg:rgba(10,11,10,.78);
  --cta-grad:linear-gradient(180deg,#12160f,#0d100c);
  --logo-color:#7f868a;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow-md:0 6px 20px rgba(0,0,0,.5);
  --shadow-lg:0 24px 50px rgba(0,0,0,.6);
}
html[data-theme="dark"] .sol-card{background:#121512}
html[data-theme="dark"] .btn-ghost{background:rgba(255,255,255,.03)}
html[data-theme="dark"] .dropdown{background:#111411}
html[data-theme="dark"] .mobile-menu{background:#0a0b0a}
html[data-theme="dark"] .cta-band .cta-inner{
  background:radial-gradient(900px 300px at 80% 0%,rgba(108,191,63,.12),transparent 60%),var(--cta-grad);
}
html[data-theme="dark"] .hero{background:
  radial-gradient(1100px 520px at 78% 10%,rgba(108,191,63,.10),transparent 60%),var(--bg)}
html[data-theme="dark"] .logo-word{filter:grayscale(1) brightness(1.4)}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;zoom:.8}
@media (max-width:640px){html{zoom:1}}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  transition:background .35s var(--ease),color .35s var(--ease);
}
/* subtle film grain for depth */
body::before{
  content:'';position:fixed;inset:0;z-index:9998;pointer-events:none;opacity:.028;
  mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
html[data-theme="dark"] body::before{opacity:.06;mix-blend-mode:overlay}
:where(a,button):focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:8px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.accent{color:var(--green)}
.eyebrow{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--green);margin-bottom:16px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-weight:600;font-size:.94rem;line-height:1;
  padding:13px 22px;border-radius:10px;cursor:pointer;border:1.5px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .2s,color .2s,border-color .2s;
  white-space:nowrap;
}
.btn .ico{width:18px;height:18px}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 6px 16px rgba(95,158,46,.28)}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(95,158,46,.36)}
.btn:active{transform:translateY(0) scale(.99)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--green);color:var(--green);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-ghost .ico{color:var(--green)}
.btn-lg{padding:15px 26px;font-size:1rem}

.arrow-link{display:inline-flex;color:var(--green)}
.arrow-link svg{width:22px;height:22px;transition:transform .3s var(--ease)}
.arrow-link:hover svg{transform:translateX(6px)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:var(--header-bg);
  backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid var(--line);transition:border-color .3s,box-shadow .3s,background .3s;
}
.site-header.scrolled{box-shadow:0 4px 20px rgba(20,30,20,.06)}
html[data-theme="dark"] .site-header.scrolled{box-shadow:0 4px 24px rgba(0,0,0,.5)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800}
.brand-logo{height:42px;width:auto;max-width:none;flex:none;display:block}
.footer-brand .brand-logo{height:38px}

.main-nav{margin-left:8px}
.main-nav>ul{display:flex;align-items:center;gap:4px;list-style:none}
.main-nav li>a,.main-nav li>button{
  display:inline-flex;align-items:center;gap:5px;
  font-family:inherit;font-size:.92rem;font-weight:500;color:var(--ink-2);
  background:none;border:none;cursor:pointer;padding:9px 14px;border-radius:9px;
  transition:color .2s,background .2s;
}
.main-nav li>a:hover,.main-nav li>button:hover{color:var(--green);background:var(--bg-soft)}
.chev{width:15px;height:15px;transition:transform .25s}
.has-menu:hover .chev{transform:rotate(180deg)}

.dropdown{
  position:absolute;top:calc(100% - 6px);left:0;min-width:210px;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-lg);padding:8px;display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.has-menu{position:relative}
.has-menu:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{padding:10px 14px;border-radius:9px;font-size:.9rem;color:var(--ink-2);transition:background .18s,color .18s}
.dropdown a:hover{background:var(--green-tint);color:var(--green-dark)}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.link-signin{font-size:.92rem;font-weight:600;color:var(--ink);transition:color .2s;white-space:nowrap}
.link-signin:hover{color:var(--green)}

/* icon buttons (lang + theme) */
.icon-btn{display:inline-flex;align-items:center;gap:6px;background:none;border:1px solid transparent;
  cursor:pointer;color:var(--ink-2);font-family:inherit;font-size:.86rem;font-weight:600;white-space:nowrap;
  padding:8px 10px;border-radius:10px;transition:background .2s,color .2s,border-color .2s}
.icon-btn:hover{color:var(--green);background:var(--bg-soft)}
.icon-btn svg{width:18px;height:18px}
.icon-btn .chev{width:13px;height:13px;opacity:.6}
.ico-globe{flex:none}
.lang-current{letter-spacing:.02em}

/* theme toggle sun/moon swap */
.theme-toggle{padding:9px}
.theme-toggle .ico-sun{display:none}
.theme-toggle .ico-moon{display:block}
html[data-theme="dark"] .theme-toggle .ico-sun{display:block}
html[data-theme="dark"] .theme-toggle .ico-moon{display:none}

/* right-anchored dropdown for lang */
.dropdown-right{left:auto;right:0}
.dropdown-right a{display:flex;align-items:center;justify-content:space-between;gap:18px;min-width:160px}
.lang-tag{font-size:.68rem;font-weight:700;letter-spacing:.06em;color:var(--muted-2);
  border:1px solid var(--line);border-radius:6px;padding:2px 6px}
.lang-select a[data-setlang].active{background:var(--green-tint);color:var(--green-dark)}
.lang-select a[data-setlang].active .lang-tag{border-color:var(--green);color:var(--green-dark)}
.lang-soon{opacity:.55;pointer-events:auto}

.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.menu-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(1200px 500px at 78% 12%,rgba(23,24,26,.03),transparent 60%),var(--bg)}
.hero-inner{display:grid;grid-template-columns:minmax(0,0.95fr) minmax(0,1.05fr);
  align-items:center;gap:40px;padding:0}
.hero-title{font-size:clamp(2.3rem,4.5vw,2.8rem);font-weight:800;line-height:1.04;letter-spacing:-.03em;color:var(--ink)}
.hero-sub{margin:26px 0 34px;font-size:1.08rem;color:var(--muted);max-width:430px;line-height:1.7}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{position:relative}
.hero-visual img{width:100%;filter:drop-shadow(0 24px 40px rgba(30,45,25,.10))}
#heroCloud{display:block;width:100%;aspect-ratio:7/6;cursor:crosshair;
  filter:drop-shadow(0 24px 44px rgba(30,45,25,.10))}
html[data-theme="dark"] #heroCloud{filter:drop-shadow(0 24px 50px rgba(0,0,0,.5))}

/* ---------- Trusted ---------- */
.trusted{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0;background:var(--bg)}
.trusted-label{font-size:.75rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--green);margin-bottom:20px}
.logos{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.logo-word{font-size:1.35rem;font-weight:800;letter-spacing:.02em;color:var(--logo-color);
  filter:grayscale(1);opacity:.75;transition:opacity .25s,color .25s,transform .25s}
.logo-word:hover{opacity:1;color:var(--ink-2);transform:translateY(-2px)}
.logo-script{font-family:Georgia,serif;font-style:italic;font-weight:600}
.logo-italic{font-style:italic;letter-spacing:.06em}

/* ---------- Section head ---------- */
.section-head{text-align:center;max-width:640px;margin:0 auto 60px}
.section-head h2{font-size:clamp(1.9rem,3.4vw,2.7rem);font-weight:800;letter-spacing:-.025em;color:var(--ink)}
.section-head p{margin-top:16px;color:var(--muted);font-size:1.05rem}

/* ---------- Features ---------- */
.features{padding:92px 0;background:var(--bg-soft)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:34px}
.feature{text-align:center;padding:14px}
.feature-ico{width:88px;height:88px;margin:0 auto 22px;color:var(--green);
  display:flex;align-items:center;justify-content:center;transition:transform .4s var(--ease)}
.feature-ico svg{width:100%;height:100%}
.feature:hover .feature-ico{transform:translateY(-6px) scale(1.05)}
.feature h3{font-size:1.15rem;font-weight:700;margin-bottom:12px;color:var(--ink)}
.feature p{font-size:.94rem;color:var(--muted);max-width:230px;margin:0 auto 18px}

/* ---------- Solutions ---------- */
.solutions{padding:96px 0;background:var(--bg)}
.solutions-inner{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,2fr);gap:56px;align-items:start}
.solutions-intro{position:sticky;top:100px}
.solutions-intro h2{font-size:clamp(1.8rem,3vw,2.5rem);font-weight:800;letter-spacing:-.025em;line-height:1.1}
.solutions-intro p{margin:20px 0 30px;color:var(--muted);font-size:1rem;max-width:300px}
.solutions-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sol-card{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);display:flex;flex-direction:column}
.sol-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(95,158,46,.35)}
.sol-media{height:150px;background-image:var(--img);background-size:cover;background-position:center;
  transition:transform .6s var(--ease)}
.sol-card:hover .sol-media{transform:scale(1.06)}
.sol-body{position:relative;padding:34px 20px 20px;flex:1;display:flex;flex-direction:column}
.sol-badge{position:absolute;top:-24px;left:18px;width:48px;height:48px;border-radius:50%;
  background:var(--surface-2);box-shadow:var(--shadow-md);display:flex;align-items:center;justify-content:center;color:var(--green)}
.sol-badge svg{width:24px;height:24px}
.sol-body h3{font-size:1.02rem;font-weight:700;margin-bottom:8px;color:var(--ink)}
.sol-body p{font-size:.88rem;color:var(--muted);flex:1}
.sol-arrow{width:20px;height:20px;color:var(--green);margin-top:14px;transition:transform .3s var(--ease)}
.sol-card:hover .sol-arrow{transform:translateX(6px)}

/* ---------- Technology ---------- */
.technology{padding:40px 0 96px;background:var(--bg);overflow:hidden}
.tech-inner{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px;align-items:center}
.tech-copy h2{font-size:clamp(1.8rem,3vw,2.5rem);font-weight:800;letter-spacing:-.025em}
.tech-copy p{margin:18px 0 32px;color:var(--muted);max-width:420px;font-size:1rem}
.tech-features{display:flex;gap:30px;flex-wrap:wrap}
.tech-feat{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;width:96px}
.tech-feat svg{width:44px;height:44px;color:var(--green)}
.tech-feat span{font-size:.78rem;font-weight:600;color:var(--ink-2)}
.tech-visual img{width:100%}

/* ---------- CTA band ---------- */
.cta-band{padding:0 0 90px;background:var(--bg)}
.cta-inner{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:34px;
  background:var(--cta-grad);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:40px 44px;box-shadow:var(--shadow-sm)}
.cta-mark{height:60px;width:auto;max-width:none;flex:none;filter:drop-shadow(0 6px 14px rgba(20,40,20,.18))}
.cta-head h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:800;letter-spacing:-.02em;line-height:1.15}
.cta-text p{color:var(--muted);font-size:.98rem}
.cta-btn{padding:15px 28px}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:64px 0 30px}
.footer-top{display:grid;grid-template-columns:1.4fr 3fr;gap:48px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{color:var(--muted);font-size:.92rem;max-width:280px}
.footer-cols{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.fcol h4{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);margin-bottom:16px}
.fcol a{display:block;font-size:.9rem;color:var(--muted);padding:5px 0;transition:color .18s,transform .18s}
.fcol a:hover{color:var(--green);transform:translateX(3px)}
.socials{display:flex;gap:12px}
.socials a{width:36px;height:36px;color:var(--muted-2);transition:color .2s,transform .2s}
.socials a svg{width:100%;height:100%}
.socials a:hover{color:var(--green);transform:translateY(-3px)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:26px;border-top:1px solid var(--line);flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:.84rem;color:var(--muted-2)}
.legal{display:flex;gap:28px}
.legal a{font-size:.84rem;color:var(--muted);transition:color .18s}
.legal a:hover{color:var(--green)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .main-nav,.header-actions .link-signin,.header-actions .lang-select,.header-actions .theme-toggle{display:none}
  .header-actions{margin-left:auto}
  .menu-toggle{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:20px}
  .hero-visual{order:-1;max-width:560px;margin:0 auto}
  .hero-sub{max-width:none}
  .solutions-inner{grid-template-columns:1fr;gap:36px}
  .solutions-intro{position:static}
  .solutions-intro p{max-width:none}
  .tech-inner{grid-template-columns:1fr;gap:28px}
  .feature-grid{grid-template-columns:repeat(2,1fr);gap:40px 24px}
  .footer-top{grid-template-columns:1fr;gap:32px}
  .footer-cols{grid-template-columns:repeat(3,1fr)}
  .cta-inner{grid-template-columns:1fr;text-align:center;justify-items:center;gap:20px;padding:40px 28px}
  .cta-text p br{display:none}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .solutions-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:repeat(2,1fr)}
  .logos{justify-content:center;gap:22px}
  .logo-word{font-size:1.1rem}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* ---------- Mobile menu overlay ---------- */
.mobile-menu{position:fixed;inset:72px 0 0;background:var(--surface);z-index:99;padding:24px 32px;
  transform:translateX(100%);transition:transform .35s var(--ease);overflow-y:auto;display:none}
.mobile-menu.open{transform:translateX(0)}
@media (max-width:1024px){.mobile-menu{display:block}}
.mobile-menu a{display:block;padding:14px 0;font-size:1.1rem;font-weight:600;border-bottom:1px solid var(--line);color:var(--ink-2)}
.mobile-menu .btn{margin-top:24px;width:100%;justify-content:center;border-bottom:none}
.mobile-controls{display:flex;flex-direction:column;gap:16px;margin-top:28px}
.mobile-controls #mThemeToggle{justify-content:center;width:100%;border:1px solid var(--line)}
.mobile-langs{display:flex;gap:8px}
.mobile-langs button{flex:1;padding:10px;border:1px solid var(--line);border-radius:10px;background:none;
  font-family:inherit;font-weight:700;font-size:.82rem;color:var(--ink-2);cursor:pointer;transition:.2s}
.mobile-langs button:hover{border-color:var(--green);color:var(--green)}
.mobile-langs button.active{background:var(--green);color:#fff;border-color:var(--green)}
body.menu-open{overflow:hidden}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}