:root{
  --blue:#1688f5; --blue2:#0b72df; --coral:#ff3b68; --orange:#ff9a2e;
  --mint:#20c7c7; --purple:#7957e8; --yellow:#ffc400; --ink:#172033;
  --muted:#697386; --paper:#f7f8ff; --white:#fff; --shadow:0 18px 50px rgba(40,55,100,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Nunito","Nunito Sans",system-ui,-apple-system,sans-serif}
a{text-decoration:none;color:inherit}
nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:14px 5%;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);box-shadow:0 4px 20px rgba(0,0,0,.05)}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:1.15rem}
.nav-logo img{width:42px;height:42px;object-fit:cover;border-radius:12px}
.logo-text span,.brand span{color:var(--orange)}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-link{padding:10px 14px;font-weight:700;color:#39445a;border-radius:12px}
.nav-link:hover{background:#eef5ff;color:var(--blue)}
.nav-cta{background:var(--blue);color:#fff!important;padding:11px 18px}
.hero{position:relative;overflow:hidden;padding:80px 5% 70px;background:linear-gradient(180deg,#f8f9ff 0%,#fff 100%)}
.blob{position:absolute;border-radius:50%;filter:blur(4px);opacity:.55;pointer-events:none}
.blob-1{width:300px;height:300px;background:#dcecff;left:-120px;top:80px}
.blob-2{width:360px;height:360px;background:#ffe3ec;right:-160px;top:30px}
.blob-3{width:240px;height:240px;background:#dcfff4;right:25%;bottom:-130px}
.hero-inner{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;position:relative}
.sai-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid #e8ebf4;border-radius:999px;padding:9px 14px;font-weight:800;color:#516078;box-shadow:0 7px 22px rgba(30,50,100,.06)}
.sai-dot{width:9px;height:9px;border-radius:50%;background:var(--blue)}
h1{font-size:clamp(2.8rem,6vw,5.4rem);line-height:.98;letter-spacing:-.055em;margin:22px 0}
h1 em{font-style:normal;color:var(--blue)}
.hero-text>p{font-size:1.2rem;line-height:1.7;color:#59657a;max-width:650px}
.hero-buttons{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:28px}
.btn-appstore{display:flex;align-items:center;gap:12px;background:#050505;color:#fff;padding:12px 20px;border-radius:14px;min-width:190px;box-shadow:0 12px 28px rgba(0,0,0,.18)}
.btn-appstore svg{width:28px;height:34px;fill:#fff}
.btn-appstore small{display:block;font-size:.68rem;opacity:.75}
.btn-appstore strong{display:block;font-size:1.05rem}
.free-note{color:#6a7486;font-weight:700}
.hero-visual{display:flex;justify-content:center}
.phone-wrap{position:relative}
.phone-frame{width:min(330px,70vw);aspect-ratio:9/17.5;background:#15171d;border:10px solid #101218;border-radius:42px;padding:9px;box-shadow:0 35px 80px rgba(31,46,85,.28);transform:rotate(2deg)}
.phone-notch{position:absolute;z-index:3;left:50%;top:16px;transform:translateX(-50%);width:105px;height:26px;background:#111;border-radius:20px}
.phone-screen{height:100%;border-radius:30px;background:linear-gradient(145deg,#f7fbff,#fff1f5);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:30px}
.phone-glyph{font-size:7rem;font-weight:900;color:var(--blue)}
.phone-label{font-size:1.35rem;font-weight:900}
.phone-dots{display:flex;gap:7px;margin-top:30px}.phone-dot{width:9px;height:9px;border-radius:50%}
.crayon{position:absolute;font-size:2.2rem;z-index:5}.crayon:nth-child(1){left:-40px;top:20%;transform:rotate(-20deg)}.crayon:nth-child(2){right:-35px;top:40%;transform:rotate(20deg)}.crayon:nth-child(3){left:-30px;bottom:12%;transform:rotate(12deg)}
.offline-strip{background:#111d35;color:#fff;text-align:center;padding:17px 20px;font-weight:800}.offline-strip span{color:#6ee7d1}
.section{max-width:1180px;margin:auto;padding:80px 5%}
.section-label{text-transform:uppercase;letter-spacing:.13em;color:var(--blue);font-weight:900;font-size:.78rem}
.section-title{font-size:clamp(2rem,4vw,3.2rem);font-weight:900;letter-spacing:-.04em;margin-top:10px;line-height:1.08}
.features-grid-section{background:#fff}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.feature-card{padding:28px;background:#fff;border:1px solid #e9edf5;border-radius:24px;box-shadow:0 12px 35px rgba(40,55,100,.06)}
.feature-icon{width:58px;height:58px;display:grid;place-items:center;border-radius:17px;font-size:1.65rem}
.feature-card h3{font-size:1.15rem;margin:18px 0 8px}.feature-card p{color:#667085;line-height:1.6;margin:0}
.languages-section{background:#f1f6ff}.languages-inner{max-width:1180px;margin:auto;padding:80px 5%}.languages-inner>p{max-width:760px;color:#667085;line-height:1.7}
.lang-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:35px}
.lang-chip{display:flex;align-items:center;gap:17px;background:#fff;border-radius:22px;padding:18px 20px;box-shadow:0 8px 25px rgba(40,55,100,.06);border:1px solid #edf0f6;transition:.2s}
.lang-chip:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.lang-glyph{width:58px;height:58px;display:grid;place-items:center;background:#eef6ff;color:var(--blue);border-radius:17px;font-size:2.25rem;font-weight:900}
.lang-name{font-size:1.05rem;font-weight:900}.lang-native{color:#8992a2;margin-top:4px}.free-tag{font-size:.7rem;background:#dff9ed;color:#16885d;border-radius:999px;padding:3px 7px;margin-left:5px}
.categories-section{background:#fff}.cat-grid{max-width:1180px;margin:0 auto;padding:0 5% 80px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat-card{border-radius:24px;padding:25px;color:#fff;min-height:160px;box-shadow:var(--shadow)}.cat-icon{font-size:2rem}.cat-card h3{margin:15px 0 4px;font-size:1.2rem}.cat-card p{margin:0;opacity:.85}
.download{background:linear-gradient(135deg,#0e7bea,#4a51e8);color:#fff}.download .section-label{color:#bcecff}.download .section-title{color:#fff}.download p{color:#e5efff}
.download-inner{max-width:1180px;margin:auto;padding:80px 5%;text-align:center}.download-inner p{max-width:650px;margin:16px auto 30px;line-height:1.7}
.pricing{background:#f8f9fc}.pricing-grid{max-width:820px;margin:35px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:22px}.price-card{background:#fff;border:1px solid #e7eaf1;border-radius:25px;padding:30px;position:relative}.price-card.featured{border:2px solid var(--blue);box-shadow:var(--shadow)}.featured-tag{position:absolute;right:18px;top:18px;background:#eaf4ff;color:var(--blue);padding:6px 10px;border-radius:999px;font-weight:900;font-size:.75rem}.price{font-size:3rem;font-weight:900;margin:12px 0 2px}.price-note{color:#778195}.price-card ul{list-style:none;padding:0;margin:25px 0 0}.price-card li{padding:8px 0}.check{color:#12a76b;font-weight:900;margin-right:7px}
footer{background:#10182a;color:#dce2ed;padding:50px 5%;text-align:center}.footer-logo{font-size:1.4rem;font-weight:900}.footer-logo span{color:orange}.footer-links{display:flex;justify-content:center;gap:24px;margin:20px 0}.footer-links a:hover{color:#fff}.footer-copy{font-size:.88rem;color:#8994a8}
.page-hero{padding:60px 5%;background:linear-gradient(145deg,#edf6ff,#fff4f8)}.page-hero-inner{max-width:1180px;margin:auto;display:grid;grid-template-columns:1fr .8fr;gap:50px;align-items:center}.language-pill{display:inline-block;background:#fff;border:1px solid #e4eaf3;padding:8px 13px;border-radius:999px;font-weight:900;color:var(--blue)}.language-card{background:#fff;border-radius:30px;padding:35px;box-shadow:var(--shadow);text-align:center}.language-card .big-glyph{font-size:8rem;font-weight:900;color:var(--blue);line-height:1}.language-card .native{font-size:2rem;font-weight：900}
.breadcrumb{max-width:1180px;margin:auto;padding：18px 5%;color:#768196;font-size:.9rem}.breadcrumb a{color：var(--blue);font-weight：800}
.rtl{text-align:right}
@media(max-width：900px){
 .hero-inner,.page-hero-inner{grid-template-columns：1fr;text-align:center}.hero-text>p{margin-left:auto;margin-right:auto}.hero-visual{order:-1}
 .features-grid{grid-template-columns:repeat(2,1fr)}.lang-grid{grid-template-columns:repeat(2,1fr)}.cat-grid{grid-template-columns:repeat(2,1fr)}
 .nav-links .nav-link:not(.nav-cta){display:none}
}
@media(max-width:600px){
 nav{padding:10px 4%}.hero{padding:55px 5%}.features-grid,.lang-grid,.cat-grid,.pricing-grid{grid-template-columns:1fr}
 .section,.languages-inner,.download-inner{padding-top:60px;padding-bottom:60px}
 h1{font-size:3rem}.phone-frame{width:255px}
 .footer-links{flex-wrap:wrap;gap:14px}
}