/* ===== Example19 — Design System ===== */
:root{
  --ink:#0b1a2b;
  --ink-2:#12293f;
  --ink-soft:#4a6072;
  --paper:#ffffff;
  --paper-2:#f4f8fa;
  --line:#dfe9ef;
  --brand:#00b39a;         /* teal */
  --brand-dark:#00907c;
  --accent:#00c875;        /* green */
  --accent-dark:#009a5f;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 40px -18px rgba(11,26,43,.35);
  --shadow-sm:0 8px 20px -12px rgba(11,26,43,.3);
  --maxw:1180px;
  --font:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.18;margin:0 0 .6rem;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2rem,4.6vw,3.4rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.5rem)}
h3{font-size:clamp(1.15rem,2vw,1.4rem)}
p{margin:0 0 1rem;color:var(--ink-soft)}
.wrap{width:min(100% - 2.4rem,var(--maxw));margin-inline:auto}
.section{padding:clamp(3.2rem,7vw,6rem) 0}
.section--tint{background:var(--paper-2)}
.section--ink{background:linear-gradient(160deg,var(--ink) 0%,#0e2438 60%,#0a2f36 100%);color:#eaf4f6}
.section--ink p,.section--ink li{color:#b9cbd6}
.eyebrow{display:inline-block;font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;font-weight:800;color:var(--brand);margin-bottom:.6rem}
.lead{font-size:1.06rem;max-width:62ch}
.center{text-align:center}
.center .lead{margin-inline:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;border:0;cursor:pointer;font-family:inherit;font-weight:700;font-size:.95rem;padding:.85rem 1.6rem;border-radius:999px;transition:.25s ease;white-space:nowrap}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 12px 24px -12px rgba(0,179,154,.9)}
.btn--primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.btn--accent{background:var(--accent);color:#ffffff}
.btn--accent:hover{background:var(--accent-dark);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand)}
.section--ink .btn--ghost{color:#eaf4f6;border-color:rgba(255,255,255,.3)}

/* ===== header ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:1rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:900;font-size:1.15rem;letter-spacing:-.03em}
.brand svg{width:30px;height:30px;flex:none}
.brand img{width:132px;height:auto;display:block;flex:none}
.nav__menu{display:flex;align-items:center;gap:.25rem;margin:0 auto 0 1.4rem;padding:0;list-style:none}
.nav__menu>li{position:relative}
.nav__menu>li>a,.nav__toggle-link{display:flex;align-items:center;gap:.3rem;padding:.6rem .8rem;font-weight:600;font-size:.94rem;border-radius:10px;cursor:pointer;background:none;border:0;font-family:inherit;color:inherit}
.nav__menu>li>a:hover,.nav__toggle-link:hover{color:var(--brand);background:var(--paper-2)}
.nav__menu>li.is-active>a{color:var(--brand)}
.caret{width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translate(-2px,-2px);transition:.2s}
.submenu{position:absolute;top:calc(100% + .4rem);left:0;min-width:216px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:.4rem;list-style:none;margin:0;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s}
.has-drop:hover .submenu,.has-drop.open .submenu{opacity:1;visibility:visible;transform:none}
.submenu a{display:block;padding:.6rem .8rem;border-radius:10px;font-size:.92rem;font-weight:600}
.submenu a:hover{background:var(--paper-2);color:var(--brand)}
.nav__actions{display:flex;align-items:center;gap:.6rem}
.link-login{font-weight:700;font-size:.94rem;padding:.5rem .6rem}
.link-login:hover{color:var(--brand)}

/* language switcher */
.lang{position:relative}
.lang__btn{display:flex;align-items:center;gap:.45rem;background:var(--paper-2);border:1px solid var(--line);border-radius:999px;padding:.45rem .8rem;font-family:inherit;font-weight:700;font-size:.85rem;cursor:pointer;color:inherit}
.lang__btn:hover{border-color:var(--brand)}
.flag{font-size:1rem;line-height:1}
.lang__list{position:absolute;right:0;top:calc(100% + .45rem);background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:.35rem;min-width:170px;list-style:none;margin:0;display:none;max-height:60vh;overflow:auto;z-index:70}
.lang.open .lang__list{display:block}
.lang__list button{width:100%;display:flex;align-items:center;gap:.55rem;background:none;border:0;font-family:inherit;font-size:.9rem;font-weight:600;padding:.5rem .65rem;border-radius:9px;cursor:pointer;color:inherit;text-align:left}
.lang__list button:hover{background:var(--paper-2);color:var(--brand)}
.lang__list button[aria-current="true"]{background:rgba(0,179,154,.12);color:var(--brand-dark)}

/* burger */
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:.5rem;cursor:pointer}
.burger span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== hero ===== */
.hero{position:relative;overflow:hidden;background:linear-gradient(155deg,#08192a 0%,#0d2b3f 55%,#0a3a3a 100%);color:#fff;padding:clamp(3.5rem,8vw,6.5rem) 0}
.hero::after{content:"";position:absolute;width:520px;height:520px;right:-140px;top:-160px;border-radius:50%;background:radial-gradient(circle,rgba(0,179,154,.45),transparent 65%)}
.hero::before{content:"";position:absolute;width:420px;height:420px;left:-160px;bottom:-200px;border-radius:50%;background:radial-gradient(circle,rgba(24,227,155,.22),transparent 65%)}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.6rem,4vw,3.4rem);align-items:center}
.hero h1{color:#fff}
.hero p{color:#c3d6e0}
.hero-list{list-style:none;padding:0;margin:1.4rem 0;display:grid;grid-template-columns:1fr 1fr;gap:.6rem 1rem}
.hero-list li{display:flex;align-items:center;gap:.55rem;font-weight:600;font-size:.95rem;color:#dceaf0}
.tick{width:20px;height:20px;flex:none;border-radius:50%;background:rgba(0,179,154,.22);display:grid;place-items:center}
.tick::after{content:"";width:5px;height:9px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(42deg) translate(-1px,-1px)}
.hero-cta{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:.4rem}
.page-hero{background:linear-gradient(155deg,#08192a,#0d2b3f);color:#fff;padding:clamp(2.6rem,6vw,4.4rem) 0;text-align:center}
.page-hero h1{color:#fff;margin-bottom:.4rem}
.page-hero p{color:#c3d6e0;max-width:64ch;margin-inline:auto}
.crumbs{font-size:.83rem;color:#88a6b8;margin-bottom:.8rem}
.crumbs a:hover{color:var(--brand)}

/* ticker */
.ticker{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:1rem;display:grid;grid-template-columns:repeat(2,1fr);gap:.7rem}
.tick-card{background:rgba(9,25,40,.6);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-sm);padding:.8rem .9rem}
.tick-card b{display:block;font-size:.95rem;color:#fff}
.tick-card span{font-size:.78rem;color:#8aa7b8}
.tick-card em{font-style:normal;font-weight:800;font-size:1.05rem;display:block;margin-top:.25rem;color:#fff}
.up{color:#2fd6a6!important}.down{color:#ff7a7a!important}
.tick-card i{font-style:normal;font-size:.82rem;font-weight:700}

/* cards & grids */
.grid{display:grid;gap:1.2rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-sm);transition:.25s}
.card:hover{transform:translateY(-4px);border-color:rgba(0,179,154,.5)}
.section--ink .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12);color:#eaf4f6}
.card h3{margin-bottom:.35rem}
.card p:last-child{margin-bottom:0}
.icon{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(140deg,rgba(0,179,154,.16),rgba(24,227,155,.16));margin-bottom:1rem}
.icon svg{width:26px;height:26px;stroke:var(--brand);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3.2rem);align-items:center}
.figure{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:linear-gradient(150deg,#0e2438,#0a3a3a);padding:1.4rem;color:#dceaf0}
.figure svg{width:100%;height:auto}
.bullets{list-style:none;padding:0;margin:0 0 1.4rem}
.bullets li{display:flex;gap:.6rem;align-items:flex-start;margin-bottom:.6rem;font-weight:600;color:var(--ink)}
.section--ink .bullets li{color:#dceaf0}
.bullets .tick{margin-top:.25rem}
.stat{text-align:center;padding:1.2rem}
.stat b{display:block;font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:900;color:var(--brand)}
.stat span{font-size:.86rem;color:var(--ink-soft);font-weight:600}
.section--ink .stat span{color:#a9c1cf}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{border-collapse:collapse;width:100%;min-width:640px}
th,td{padding:.9rem 1rem;text-align:left;font-size:.93rem;border-bottom:1px solid var(--line)}
th{background:var(--paper-2);font-weight:800;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink)}
td{color:var(--ink-soft)}
tr:last-child td{border-bottom:0}
.price-card{border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem 1.5rem;background:#fff;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.price-card--pop{border:2px solid var(--brand);position:relative}
.badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;font-size:.7rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;padding:.3rem .8rem;border-radius:999px}
.price{font-size:2rem;font-weight:900;margin:.4rem 0}
.price-card ul{list-style:none;padding:0;margin:1rem 0 1.4rem;flex:1}
.price-card li{display:flex;gap:.5rem;align-items:flex-start;font-size:.92rem;color:var(--ink-soft);margin-bottom:.5rem}

/* accordion */
.acc{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}
.acc+.acc{margin-top:.8rem}
.acc__head{width:100%;display:flex;justify-content:space-between;align-items:center;gap:1rem;background:none;border:0;font-family:inherit;font-size:1rem;font-weight:700;color:var(--ink);text-align:left;padding:1.05rem 1.2rem;cursor:pointer}
.acc__head:hover{color:var(--brand)}
.plus{width:20px;height:20px;position:relative;flex:none}
.plus::before,.plus::after{content:"";position:absolute;inset:50% 0 auto 0;height:2px;background:var(--brand);transition:.25s}
.plus::after{transform:rotate(90deg)}
.acc.open .plus::after{transform:rotate(0)}
.acc__body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc__body div{padding:0 1.2rem 1.1rem}
.acc__body p{margin:0}

/* glossary */
.alpha{display:flex;flex-wrap:wrap;gap:.35rem;margin-bottom:1.6rem}
.alpha button{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;font-family:inherit;font-weight:800;cursor:pointer;color:var(--ink)}
.alpha button.active,.alpha button:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.gterm{border-bottom:1px solid var(--line);padding:1rem 0}
.gterm h4{margin:0 0 .25rem;font-size:1rem}
.gterm p{margin:0;font-size:.93rem}

/* cta banner */
.cta{background:linear-gradient(120deg,var(--brand),#0a8f9c 70%,#18e39b 190%);border-radius:26px;padding:clamp(2rem,5vw,3.4rem);text-align:center;color:#fff;box-shadow:var(--shadow)}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.9);max-width:56ch;margin-inline:auto}

/* footer */
.site-footer{background:#071726;color:#9fb7c6;padding:3.4rem 0 1.6rem;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:2rem}
.site-footer h4{color:#fff;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:.9rem}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:.5rem}
.site-footer a:hover{color:var(--brand)}
.site-footer .brand{color:#fff;margin-bottom:.8rem}
.socials{display:flex;gap:.5rem;margin-top:1rem}
.socials a{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.07);display:grid;place-items:center}

.socials svg{width:17px;height:17px;fill:currentColor}
.risk{margin-top:2.4rem;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.1);font-size:.78rem;line-height:1.7;color:#7794a6}
.copy{margin-top:1rem;font-size:.8rem;color:#6b8798;display:flex;flex-wrap:wrap;gap:.6rem;justify-content:space-between}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* rtl */
html[dir="rtl"] body{text-align:right}
html[dir="rtl"] .nav__menu{margin:0 1.4rem 0 auto}
html[dir="rtl"] .submenu{left:auto;right:0}
html[dir="rtl"] .lang__list{right:auto;left:0}

/* responsive */
@media (max-width:1000px){
  .hero-grid,.split{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .burger{display:flex}
  .nav__menu{position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:stretch;background:#fff;margin:0;padding:1rem 1.2rem 1.6rem;gap:.2rem;border-bottom:1px solid var(--line);box-shadow:var(--shadow);max-height:calc(100vh - 64px);overflow:auto;display:none}
  .nav__menu.open{display:flex}
  .submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-left:2px solid var(--line);border-radius:0;margin-left:.8rem;padding-left:.4rem;display:none}
  .has-drop.open .submenu{display:block}
  .nav__menu>li>a{justify-content:space-between}
  .grid-3{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  .grid-2,.grid-3,.grid-4,.hero-list,.ticker{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .btn{width:100%;justify-content:center}
  .nav__actions .btn{width:auto}
  .hero-cta{flex-direction:column}
}

/* header overflow fixes on small screens */
@media (max-width:860px){
  .nav{gap:.5rem}
  .nav__actions{margin-left:auto}
  .nav__actions .btn{padding:.6rem 1rem;font-size:.85rem}
}
@media (max-width:520px){
  .nav__actions{gap:.4rem}
  .nav__actions .btn{padding:.55rem .8rem;font-size:.8rem}
  .link-login{padding:.5rem .7rem;font-size:.8rem}
  .brand img{width:118px}
  .lang__btn{padding:.4rem .6rem}
}

.hero .btn--ghost,.page-hero .btn--ghost{color:#fff;border-color:rgba(255,255,255,.35)}
.hero .btn--ghost:hover,.page-hero .btn--ghost:hover{color:var(--brand);border-color:var(--brand)}

/* footer brand + mobile auth buttons */
.site-footer .brand img{width:150px}
.nav__actions .link-login{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:999px;padding:.55rem 1rem;font-weight:700;color:var(--ink);white-space:nowrap}
.nav__actions .link-login:hover{border-color:var(--brand);color:var(--brand)}
@media (max-width:860px){
  .nav__actions{display:flex;align-items:center;gap:.45rem}
  .nav__actions .link-login,.nav__actions .btn--primary{display:inline-flex}
}

/* language selector visible on mobile, text-only */
.flag{display:none}
@media (max-width:860px){
  .lang{display:block}
  .lang__btn{padding:.5rem .7rem;font-size:.82rem}
}
@media (max-width:520px){
  .lang__btn{padding:.45rem .6rem;font-size:.78rem}
}