/* =====================================================
   Motorii landing — stylesheet
   Dark-first. Teal accent. Matches the iOS app.
   ===================================================== */

:root {
    /* Surfaces */
    --ds-background:               #10141a;
    --ds-surface:                  #10141a;
    --ds-surface-container-lowest: #0a0e14;
    --ds-surface-container-low:    #181c22;
    --ds-surface-container:        #1c2026;
    --ds-surface-container-high:   #262a31;
    --ds-surface-container-highest:#31353c;
    --ds-primary-container:        #1a2332;
    --ds-surface-bright:           #353940;

    /* Text */
    --ds-on-surface:               #dfe2eb;
    --ds-on-surface-variant:       #c5c6cc;
    --ds-on-primary-container:     #818a9d;

    /* Teal */
    --ds-secondary:                #41eec2;
    --ds-secondary-container:      #00d1a7;
    --ds-on-secondary:             #00382b;
    --ds-on-secondary-container:   #005441;
    --ds-secondary-fixed:          #55fcd0;
    --ds-secondary-fixed-dim:      #28dfb5;

    /* Supporting */
    --ds-primary:                  #bec7db;
    --ds-on-primary:               #283140;
    --ds-tertiary:                 #ffba3a;
    --ds-tertiary-container:       #311f00;
    --ds-error:                    #ffb4ab;
    --ds-error-container:          #93000a;
    --ds-outline:                  #8f9096;
    --ds-outline-variant:          #45474c;

    /* Motion / radii / shadows */
    --radius-card:    18px;
    --radius-cta:     14px;
    --radius-chip:    999px;
    --shadow-teal:    0 6px 12px rgba(65, 238, 194, 0.28);
    --shadow-card:    0 1px 0 rgba(255, 255, 255, 0.03) inset,
                      0 20px 40px -24px rgba(0, 0, 0, 0.55);

    /* Layout */
    --container:      1200px;
    --container-narrow: 720px;
    --nav-h:          64px;
    --ease:           cubic-bezier(0.22, 1, 0.36, 1);

    color-scheme: dark;
}

/* Reset-ish */
*,
*::before,
*::after { box-sizing: border-box; }

html {
    background: var(--ds-background);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    margin: 0;
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--ds-on-surface);
    background: var(--ds-background);
    font-feature-settings: "ss01", "cv11";
}

@supports (font-variation-settings: normal) {
    body { font-family: 'Inter var', Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif; }
}

img, svg, video { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: var(--ds-secondary); text-decoration: none; }
a:hover { color: var(--ds-secondary-fixed); }

p { margin: 0 0 1em; color: var(--ds-on-surface-variant); }

/* Accessibility */
.screen-reader-text {
    position: absolute !important;
    width: 1px; height: 1px; margin: -1px; padding: 0;
    overflow: hidden; clip: rect(0 0 0 0); border: 0;
}
.skip-link:focus {
    position: fixed; top: 12px; left: 12px; width: auto; height: auto;
    clip: auto; padding: 10px 16px; background: var(--ds-secondary);
    color: var(--ds-on-secondary); border-radius: var(--radius-cta);
    font-weight: 700; z-index: 9999;
}

/* Layout */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 40px);
    width: 100%;
}
.container.narrow { max-width: var(--container-narrow); }

section { padding: clamp(64px, 9vw, 120px) 0; }

/* Typography */
h1, h2, h3, h4 { color: var(--ds-on-surface); margin: 0 0 0.5em; }
h1 {
    font-size: clamp(2.25rem, 1.3rem + 3.8vw, 3.5rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1.05;
}
h2 {
    font-size: clamp(1.75rem, 1rem + 2.3vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.01em;
    line-height: 1.15;
}
h3 { font-size: 1.25rem; font-weight: 700; line-height: 1.3; }
h4 { font-size: 1rem; font-weight: 700; }

.eyebrow {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ds-secondary);
    margin: 0 0 0.75em;
}

.lede {
    font-size: clamp(1rem, 0.9rem + 0.3vw, 1.125rem);
    color: var(--ds-on-surface-variant);
    max-width: 62ch;
    margin: 0 0 1.5em;
}
.lede.narrow { margin-left: auto; margin-right: auto; text-align: center; }

.section-head { text-align: center; margin: 0 auto 48px; max-width: 720px; }
.section-head .eyebrow { justify-content: center; }

.accent { color: var(--ds-secondary); }

/* ===================== NAV ===================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(16, 20, 26, 0.72);
    -webkit-backdrop-filter: blur(12px) saturate(140%);
    backdrop-filter: blur(12px) saturate(140%);
    border-bottom: 1px solid rgba(143, 144, 150, 0.1);
}
/* Fallback if backdrop-filter missing */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .site-header { background: rgba(16, 20, 26, 0.95); }
}

.nav-wrap {
    display: flex;
    align-items: center;
    gap: 24px;
    height: var(--nav-h);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ds-on-surface);
    font-weight: 700;
    letter-spacing: -0.01em;
    font-size: 1.1rem;
}
.brand:hover { color: var(--ds-on-surface); }
.brand-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px; height: 32px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--ds-secondary), var(--ds-secondary-container));
    box-shadow: var(--shadow-teal);
}
.brand-word em { font-style: italic; font-weight: 900; }

.primary-nav {
    margin-left: auto;
}
.primary-nav ul {
    display: flex;
    gap: clamp(16px, 2vw, 28px);
    align-items: center;
}
.primary-nav a {
    color: var(--ds-on-surface-variant);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 6px 2px;
    border-bottom: 1px solid transparent;
    transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.primary-nav a:hover {
    color: var(--ds-secondary);
    border-bottom-color: var(--ds-secondary);
}

.nav-cta { display: inline-flex; }
.nav-badge img { height: 36px; width: auto; }

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--ds-outline-variant);
    border-radius: 10px;
    padding: 10px 9px;
    cursor: pointer;
    gap: 4px;
    flex-direction: column;
    margin-left: auto;
}
.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--ds-on-surface);
    border-radius: 2px;
}

.mobile-menu {
    display: none;
    padding: 16px 20px 28px;
    border-top: 1px solid var(--ds-outline-variant);
    background: var(--ds-surface);
}
.mobile-menu[hidden] { display: none !important; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 4px; margin-bottom: 18px; }
.mobile-menu a {
    display: block;
    padding: 12px 0;
    font-size: 1rem;
    color: var(--ds-on-surface);
    border-bottom: 1px solid var(--ds-outline-variant);
}

@media (max-width: 840px) {
    .primary-nav, .nav-cta { display: none; }
    .nav-toggle { display: inline-flex; }
    .mobile-menu:not([hidden]) { display: block; }
}

/* ===================== BUTTONS / CTAs ===================== */
.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 20px;
    align-items: center;
    margin: 28px 0 24px;
}

.app-store-badge {
    display: inline-flex;
    align-items: center;
    transition: transform 0.2s var(--ease), filter 0.2s var(--ease);
}
.app-store-badge:hover { transform: translateY(-1px); filter: brightness(1.05); }
.app-store-badge img { height: 56px; width: auto; }
.nav-badge img { height: 38px; }

.cta-primary img { height: 56px; }

.cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 22px;
    border-radius: var(--radius-cta);
    border: 1px solid var(--ds-secondary);
    color: var(--ds-secondary);
    font-weight: 600;
    font-size: 0.9375rem;
    background: transparent;
    transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.cta-secondary:hover {
    background: rgba(65, 238, 194, 0.08);
    color: var(--ds-secondary-fixed);
}

/* ===================== HERO ===================== */
.hero {
    position: relative;
    overflow: hidden;
    padding-top: clamp(48px, 7vw, 88px);
    padding-bottom: clamp(56px, 8vw, 100px);
}
.hero-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(1000px 500px at 10% -10%, rgba(26, 35, 50, 0.9), transparent 60%),
        radial-gradient(800px 500px at 95% 20%, rgba(65, 238, 194, 0.08), transparent 60%);
    pointer-events: none;
    z-index: 0;
}
.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: clamp(24px, 4vw, 64px);
    align-items: center;
}
.hero-copy .lede { margin-bottom: 0.5em; }
.trust-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 24px 36px;
    margin-top: 28px;
}
.trust-strip li {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-right: 24px;
    border-right: 1px solid var(--ds-outline-variant);
}
.trust-strip li:last-child { border-right: 0; padding-right: 0; }
.trust-strip strong {
    color: var(--ds-on-surface);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.trust-strip span {
    color: var(--ds-on-primary-container);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    min-height: 560px;
}
.hero-glow {
    position: absolute;
    width: 420px; height: 420px;
    border-radius: 50%;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(65, 238, 194, 0.22), transparent 60%);
    filter: blur(20px);
    z-index: 0;
    pointer-events: none;
}

/* Phone frames */
.phone-frame {
    position: relative;
    z-index: 1;
    border-radius: 42px;
    padding: 10px;
    background: linear-gradient(160deg, #2a2f38, #151921);
    box-shadow:
        0 30px 80px -20px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(255, 255, 255, 0.04);
    aspect-ratio: 9 / 19.5;
    max-width: 340px;
}
.phone-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 32px;
    display: block;
}
.phone-placeholder {
    width: 100%;
    height: 100%;
    min-height: 560px;
    border-radius: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        linear-gradient(180deg, var(--ds-primary-container), var(--ds-surface-container-lowest)),
        var(--ds-surface);
    color: var(--ds-on-primary-container);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: center;
    padding: 20px;
}
.phone-step { max-width: 240px; }
.phone-step .phone-placeholder { min-height: 440px; }

@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; text-align: left; }
    .hero-visual { min-height: 440px; margin-top: 24px; }
    .phone-frame { max-width: 260px; }
}

/* ===================== FEATURES ===================== */
.features { background: var(--ds-background); }
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.feature-card {
    background: var(--ds-surface-container-low);
    border: 1px solid rgba(143, 144, 150, 0.08);
    border-radius: var(--radius-card);
    padding: 28px 24px;
    transition: background 0.25s var(--ease), transform 0.25s var(--ease), border-color 0.25s var(--ease);
    box-shadow: var(--shadow-card);
}
.feature-card:hover {
    background: var(--ds-surface-container-high);
    transform: translateY(-2px);
    border-color: rgba(65, 238, 194, 0.2);
}
.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px; height: 44px;
    border-radius: 12px;
    background: rgba(65, 238, 194, 0.12);
    color: var(--ds-secondary);
    margin-bottom: 18px;
}
.feature-card h3 { margin: 0 0 8px; }
.feature-card p { margin: 0; font-size: 0.9375rem; color: var(--ds-on-surface-variant); }

@media (max-width: 980px) {
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .feature-grid { grid-template-columns: 1fr; }
}

/* ===================== HOW ===================== */
.how { background: var(--ds-surface-container-lowest); }
.how-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(24px, 3vw, 40px);
    counter-reset: steps;
}
.how-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
}
.how-visual { display: flex; justify-content: center; width: 100%; }
.step-num {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--ds-secondary);
    margin-bottom: 6px;
}
.how-copy h3 { margin-bottom: 6px; }
.how-copy p { color: var(--ds-on-surface-variant); margin: 0; }

.how-note {
    margin-top: 40px;
    text-align: center;
    color: var(--ds-on-primary-container);
    font-size: 0.9375rem;
}

@media (max-width: 900px) {
    .how-steps { grid-template-columns: 1fr; gap: 56px; }
}

/* ===================== PRICING ===================== */
.pricing { background: var(--ds-background); }
.price-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    align-items: stretch;
}
.price-card {
    position: relative;
    background: var(--ds-surface-container-low);
    border: 1px solid rgba(143, 144, 150, 0.1);
    border-radius: var(--radius-card);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    box-shadow: var(--shadow-card);
}
.price-card h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 700;
}
.price-credits {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--ds-on-surface);
    margin: 0;
}
.price-list {
    margin: 4px 0 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.price-list li {
    padding-left: 22px;
    position: relative;
    color: var(--ds-on-surface-variant);
    font-size: 0.9375rem;
}
.price-list li::before {
    content: "";
    position: absolute;
    left: 0; top: 9px;
    width: 10px; height: 6px;
    border-left: 2px solid var(--ds-secondary);
    border-bottom: 2px solid var(--ds-secondary);
    transform: rotate(-45deg);
}
.price-value {
    margin-top: auto;
    color: var(--ds-on-primary-container);
    font-size: 0.875rem;
    margin-bottom: 6px;
}
.price-amount {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin: 0 0 4px;
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--ds-secondary);
    line-height: 1;
}
.price-amount .price-currency {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ds-on-surface-variant);
    transform: translateY(-4px);
}
.price-card .app-store-badge {
    margin-top: auto;
}
.price-card .app-store-badge img { height: 48px; }

.price-featured {
    border-color: var(--ds-secondary);
    box-shadow: 0 0 0 1px var(--ds-secondary), var(--shadow-card), 0 12px 40px -10px rgba(65, 238, 194, 0.25);
    background: linear-gradient(180deg, rgba(65, 238, 194, 0.06), var(--ds-surface-container-low) 60%);
}
.price-chip {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--ds-secondary), var(--ds-secondary-container));
    color: var(--ds-on-secondary);
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: var(--radius-chip);
    box-shadow: var(--shadow-teal);
    white-space: nowrap;
}
.price-chip-muted {
    background: var(--ds-surface-container-high);
    color: var(--ds-secondary);
    box-shadow: none;
}

.fine-print {
    text-align: center;
    margin-top: 28px;
    color: var(--ds-on-primary-container);
    font-size: 0.8125rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

@media (max-width: 980px) {
    .price-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
}

/* ===================== FAQ ===================== */
.faq { background: var(--ds-surface-container-lowest); }
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.faq-item {
    background: var(--ds-surface-container-low);
    border: 1px solid rgba(143, 144, 150, 0.1);
    border-radius: var(--radius-card);
    padding: 4px 22px;
    transition: background 0.2s var(--ease);
}
.faq-item[open] { background: var(--ds-surface-container); }
.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 18px 0;
    font-weight: 600;
    color: var(--ds-on-surface);
    font-size: 1.0625rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "";
    width: 18px; height: 18px;
    flex-shrink: 0;
    background: var(--ds-secondary);
    -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M12 4v16M4 12h16' stroke='black' stroke-width='2' stroke-linecap='round'/></svg>") center / contain no-repeat;
    mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M12 4v16M4 12h16' stroke='black' stroke-width='2' stroke-linecap='round'/></svg>") center / contain no-repeat;
    transition: transform 0.2s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
    margin: 0 0 18px;
    color: var(--ds-on-surface-variant);
    font-size: 0.9375rem;
}

/* ===================== FINAL CTA ===================== */
.final-cta {
    text-align: center;
    padding: clamp(64px, 9vw, 120px) 0;
    background:
        radial-gradient(600px 300px at 50% 0%, rgba(65, 238, 194, 0.1), transparent 70%),
        var(--ds-background);
}
.final-cta h2 { margin: 0 auto 12px; max-width: 620px; }
.final-cta p { max-width: 520px; margin: 0 auto 28px; }

/* ===================== FOOTER ===================== */
.site-footer {
    background: var(--ds-surface-container-lowest);
    border-top: 1px solid var(--ds-outline-variant);
    padding: 56px 0 40px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr;
    gap: 48px;
    align-items: start;
}
.footer-col .brand { margin-bottom: 12px; }
.footer-tag { color: var(--ds-on-surface-variant); margin: 0 0 20px; max-width: 360px; }
.footer-copy { color: var(--ds-on-primary-container); font-size: 0.8125rem; margin: 0; }
.footer-h {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ds-on-primary-container);
    margin: 0 0 14px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.footer-col ul a { color: var(--ds-on-surface-variant); font-size: 0.9375rem; }
.footer-col ul a:hover { color: var(--ds-secondary); }
.footer-cta .app-store-badge img { height: 48px; }

@media (max-width: 720px) {
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ===================== LEGAL / PROSE PAGES ===================== */
.prose {
    max-width: 720px;
    margin: 0 auto;
    font-size: 1.0625rem;
    color: var(--ds-on-surface-variant);
}
.prose h1 { font-size: clamp(2rem, 1.4rem + 2vw, 2.75rem); margin-bottom: 0.3em; color: var(--ds-on-surface); }
.prose h2 { font-size: 1.5rem; margin-top: 2em; margin-bottom: 0.5em; color: var(--ds-on-surface); }
.prose h3 { font-size: 1.125rem; margin-top: 1.5em; }
.prose p, .prose li { line-height: 1.7; }
.prose ul { list-style: disc; padding-left: 1.25em; margin: 1em 0; }
.prose ul li { margin-bottom: 0.5em; }
.prose a { text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: var(--ds-on-surface); }
.prose .updated {
    display: inline-block;
    margin-bottom: 1.5em;
    font-size: 0.8125rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ds-on-primary-container);
}

/* ===================== 404 ===================== */
.page-404 {
    min-height: 68vh;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 80px 0;
}
.page-404 .code {
    font-size: clamp(4rem, 12vw, 7rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    color: var(--ds-secondary);
    line-height: 1;
    margin-bottom: 12px;
}

/* ===================== REDUCED MOTION ===================== */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}