@font-face {
    font-family: 'IranSansFaNum';
    src: url('fonts/iran_sans_fa_num.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
:root { color-scheme: light; --ink: #101329; --muted: #62677f; --violet: #5531ee; --lavender: #f5f2ff; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: #fdfdff; color: var(--ink); font-family: 'IranSansFaNum', Tahoma, Arial, sans-serif; line-height: 1.9; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid #ad94ff; outline-offset: 6px; }
.container { width: min(1180px, calc(100% - 64px)); margin-inline: auto; }
.icon-definitions { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.skip-link { position: absolute; top: -100px; right: 20px; background: white; padding: 10px 20px; z-index: 10; }
.skip-link:focus { top: 12px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 108px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 30px; font-weight: 700; letter-spacing: -1.5px; }
.brand-icon { display: block; width: 52px; height: 52px; object-fit: contain; flex-shrink: 0; }
.support-link { display: flex; align-items: center; gap: 8px; font-size: 15px; }
.support-link .icon { width: 20px; color: var(--violet); }
.support-link:hover, .footer-support:hover { color: var(--violet); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 58px; padding: 12px 24px; border: 0; border-radius: 15px; color: white; background: var(--violet); font-weight: 700; font-size: 16px; box-shadow: 0 8px 24px #5531ee14; transition: background .2s, transform .2s; }
a.button:hover { background: #4320d5; transform: translateY(-2px); }
.header-download { min-height: 48px; padding: 9px 20px; font-size: 14px; border-radius: 12px; }
.hero { display: grid; grid-template-columns: 1fr 1.12fr; align-items: center; gap: 32px; padding-block: 44px 56px; }
.hero-copy { padding-block: 20px; }
.eyebrow { display: inline-block; padding: 5px 19px; border-radius: 30px; background: #f1edff; color: var(--violet); font-weight: 700; font-size: 14px; }
h1 { font-size: clamp(38px, 4.35vw, 62px); letter-spacing: -2px; line-height: 1.55; margin: 24px 0 22px; }
h1 span { color: var(--violet); white-space: nowrap; }
.hero-description { color: #474d65; font-size: 18px; line-height: 2.15; max-width: 450px; margin: 0 0 34px; }
.hero-actions { display: flex; align-items: flex-start; flex-wrap: wrap; gap: 24px; }
.platform { display: block; font-size: 12px; color: var(--muted); text-align: center; margin-top: 9px; }
.text-link { display: inline-flex; gap: 10px; align-items: center; min-height: 58px; font-size: 14px; color: var(--violet); }
.text-link:hover { text-decoration: underline; text-underline-offset: 6px; }
.app-preview { position: relative; min-height: 630px; direction: ltr; isolation: isolate; }
.preview-halo { position: absolute; inset: 5% -2% 4%; border-radius: 48% 48% 44% 50%; background: radial-gradient(ellipse at center, #ded4ff 0%, #f1ecff 55%, #fdfdff00 73%); z-index: -1; }
.sound-bars { position: absolute; inset: 11% 0 auto; height: 170px; display: flex; align-items: center; justify-content: space-between; z-index: -1; }
.sound-bars i { display: block; width: 7px; height: 44px; background: #dfd5ff; border-radius: 10px; }
.sound-bars i:nth-child(2n) { height: 100px; }
.sound-bars i:nth-child(3n) { height: 150px; }
.phone { margin: 0; position: absolute; width: 47%; padding: 7px; border: 2px solid #6b6b73; border-radius: 38px; background: #15151a; overflow: hidden; box-shadow: 5px 13px 15px #11132924, inset 0 0 0 2px #303037; }
.phone img { display: block; width: 100%; height: auto; margin-bottom: -8%; border-radius: 28px; }
.phone-home { top: 22px; left: 4%; transform: rotate(-6deg); }
.phone-player { top: 72px; right: 3%; transform: rotate(4deg); }
.features { display: grid; grid-template-columns: repeat(3, 1fr); padding-block: 28px 62px; }
.feature { text-align: center; padding: 0 20px; position: relative; }
.feature + .feature::before { content: ''; position: absolute; right: 0; top: 24px; bottom: 8px; width: 1px; background: #e6e5f0; }
.feature-icon { display: inline-flex; align-items: center; justify-content: center; width: 78px; height: 78px; background: var(--lavender); border-radius: 25px; color: var(--violet); }
.feature-icon .icon { width: 35px; height: 35px; }
.feature h2 { font-size: 21px; margin: 14px 0 0; }
.feature p { color: var(--muted); font-size: 15px; margin: 4px 0; }
.steps { background: var(--lavender); border-radius: 26px; padding: 32px 42px 38px; }
.steps > h2 { text-align: center; font-size: 30px; margin: 0 0 28px; letter-spacing: -1px; }
.steps-list { display: grid; grid-template-columns: repeat(3, 1fr); list-style: none; gap: 60px; margin: 0; padding: 0; }
.steps-list li { position: relative; }
.steps-list li + li::before { content: '‹'; position: absolute; right: -36px; top: 35px; color: #8b85af; font-size: 30px; }
.step-heading { display: flex; align-items: center; gap: 12px; }
.step-number { display: grid; place-items: center; width: 45px; height: 45px; border-radius: 50%; color: var(--violet); background: #e4dcff; font-size: 23px; font-weight: 700; }
.step-heading h3 { font-size: 21px; margin: 0; }
.steps-list p { font-size: 14px; color: #545973; margin: 12px 0 0; line-height: 2.1; }
.download-section { display: flex; align-items: center; gap: 32px; position: relative; isolation: isolate; background: #111429; border-radius: 26px; color: white; padding: 38px 42px; margin-top: 28px; scroll-margin-top: 24px; }
.download-copy { flex: 1; }
.download-copy h2 { font-size: 26px; margin: 0 0 10px; letter-spacing: -.7px; }
.download-copy p { font-size: 15px; color: #d3d0e6; margin: 0; }
.download-action { text-align: center; }
.download-action .platform { color: #d3d0e6; }
.button:disabled { opacity: .8; cursor: not-allowed; box-shadow: none; }
.download-status { font-size: 11px; color: #d3d0e6; margin: 9px 0 0; }
.download-wave { width: 92px; height: 92px; color: #8e71ff; opacity: .6; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid #eae9f3; padding-block: 28px; margin-top: 28px; }
.site-footer .brand { font-size: 24px; }
.site-footer .brand-icon { width: 44px; height: 44px; }
.footer-support { display: flex; flex-direction: column; align-items: center; font-size: 12px; color: var(--muted); }
.site-address { font-size: 13px; color: var(--muted); }
@media (min-width: 1280px) { .hero { gap: 48px; } }
@media (max-width: 1000px) {
    .container { width: calc(100% - 48px); }
    .hero { gap: 24px; grid-template-columns: 1fr 1fr; }
    h1 { font-size: clamp(32px, 4.5vw, 46px); }
    .hero-description { font-size: 16px; }
    .hero-actions { gap: 12px; }
    .hero-actions .button { font-size: 14px; padding-inline: 18px; }
    .app-preview { min-height: 520px; }
    .phone { border-radius: 30px; padding: 5px; }
    .phone img { border-radius: 22px; }
    .download-wave { display: none; }
    .download-copy h2 { font-size: 22px; }
    .steps-list { gap: 40px; }
    .steps-list li + li::before { right: -26px; }
}
@media (max-width: 700px) {
    .container { width: calc(100% - 36px); }
    .site-header { min-height: 84px; gap: 12px; flex-wrap: wrap; }
    .brand { font-size: 24px; gap: 6px; }
    .brand-icon { width: 40px; height: 40px; }
    .support-link { font-size: 13px; gap: 5px; }
    .support-link .icon { width: 17px; }
    .header-download { font-size: 11px; min-height: 40px; padding: 7px 11px; gap: 6px; }
    .header-download .icon { width: 17px; }
    .hero { grid-template-columns: 1fr; gap: 12px; padding-block: 24px 18px; }
    .hero-copy { text-align: center; padding: 0; }
    .eyebrow { font-size: 12px; }
    h1 { font-size: clamp(34px, 7.7vw, 51px); margin: 20px 0 16px; line-height: 1.55; }
    .hero-description { max-width: 450px; margin: 0 auto 25px; font-size: 15px; }
    .hero-actions { justify-content: center; gap: 20px; }
    .hero-actions .button { font-size: 14px; min-height: 52px; }
    .text-link { font-size: 12px; min-height: 52px; }
    .app-preview { width: min(460px, 100%); height: auto; aspect-ratio: .88; min-height: 0; margin: 16px auto 0; }
    .phone { width: 45%; border-radius: 29px; }
    .phone-home { top: 8px; left: 5%; }
    .phone-player { top: 38px; right: 5%; }
    .features { grid-template-columns: 1fr; gap: 28px; padding-block: 20px 36px; }
    .feature { display: grid; grid-template-columns: 62px 1fr; column-gap: 16px; text-align: right; align-items: center; padding: 0 8px; }
    .feature-icon { grid-row: span 2; width: 62px; height: 62px; border-radius: 20px; }
    .feature-icon .icon { width: 29px; height: 29px; }
    .feature h2 { font-size: 18px; margin: 0; }
    .feature p { font-size: 13px; margin: 0; }
    .feature + .feature::before { display: none; }
    .steps { padding: 26px 24px; border-radius: 22px; }
    .steps > h2 { font-size: 23px; margin-bottom: 24px; }
    .steps-list { grid-template-columns: 1fr; gap: 24px; }
    .steps-list li + li::before { display: none; }
    .steps-list p { margin: 8px 0 0; }
    .step-heading h3 { font-size: 19px; }
    .step-number { width: 38px; height: 38px; font-size: 20px; }
    .download-section { flex-direction: column; gap: 24px; padding: 30px 22px; text-align: center; border-radius: 22px; }
    .download-copy h2 { font-size: 23px; line-height: 1.9; }
    .download-copy p { font-size: 14px; }
    .site-footer { flex-wrap: wrap; justify-content: center; gap: 20px 32px; padding-block: 24px; }
    .site-address { width: 100%; text-align: center; }
}
@media (max-width: 360px) {
    .site-header { justify-content: space-between; padding-block: 14px; }
    .header-download { width: 100%; }
    .hero-actions { gap: 10px; }
    h1 { font-size: 31px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .button { transition: none; }
    a.button:hover { transform: none; }
}