/* ==========================================================================
   SketchX - Material 3 Expressive Unified Design System
   Matches saqib-cipher.github.io/css/theme.css tokens
   ========================================================================== */


:root {
    --max-w: 1180px;
    --header-h: 68px;
    --font-heading: 'Outfit', 'Plus Jakarta Sans', system-ui, sans-serif;
    --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-mono: 'Roboto Mono', 'JetBrains Mono', monospace;
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-sans);
    background-color: var(--md-sys-color-background, var(--md-sys-color-surface));
    color: var(--md-sys-color-on-background, var(--md-sys-color-on-surface));
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.25s ease, color 0.25s ease;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; height: auto; display: block; }

button, input, select, textarea { font-family: inherit; border: none; outline: none; background: none; }

.container {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
}

.container #parast {
    font-size: 0.7rem;
    position: absolute;
    right: 20px;
    bottom: -29px;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: var(--shape-full, 9999px);
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1;
    -webkit-tap-highlight-color: transparent;
}

.btn i { font-size: 1.15rem; }

.btn-primary {
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    box-shadow: var(--elevation-1);
}
.btn-primary:hover {
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    transform: translateY(-2px);
    box-shadow: var(--elevation-2);
}
.btn-primary:active { transform: translateY(0); }

.btn-tonal {
    background-color: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
}
.btn-tonal:hover {
    background-color: var(--md-sys-color-surface-container-highest);
    color: var(--md-sys-color-on-surface);
    transform: translateY(-2px);
}

.btn-outlined {
    background-color: transparent;
    color: var(--md-sys-color-primary);
    border: 1.5px solid var(--md-sys-color-outline);
}
.btn-outlined:hover {
    background-color: var(--md-sys-color-surface-container-high);
    border-color: var(--md-sys-color-primary);
    transform: translateY(-2px);
}

.btn-text {
    background: transparent;
    color: var(--md-sys-color-primary);
    padding: 8px 14px;
}
.btn-text:hover { background-color: var(--md-sys-color-surface-container-high); }

/* M3 Badges */
.m3-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--shape-full, 9999px);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.2px;
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    border: 1px solid var(--md-sys-color-outline-variant);
}
.m3-badge.secondary {
    background-color: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
}
.m3-badge.tertiary {
    background-color: var(--md-sys-color-tertiary-container);
    color: var(--md-sys-color-on-tertiary-container);
}
.m3-badge.success {
    background-color: var(--md-sys-color-success-container, #0a4d2c);
    color: var(--md-sys-color-on-success-container, #b3f4cf);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.site-navbar {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: var(--header-h);
    background: var(--md-sys-color-surface-container);
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    z-index: 1000;
    transition: background-color 0.25s ease, box-shadow 0.25s ease;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 16px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    flex-shrink: 0;
    color: var(--md-sys-color-on-surface);
}

.nav-logo-img {
    width: 34px;
    height: 34px;
    border-radius: var(--shape-medium, 12px);
}

.nav-menu-list {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--md-sys-color-on-surface-variant);
    transition: color 0.2s ease;
    white-space: nowrap;
}
.nav-link:hover, .nav-link-active { color: var(--md-sys-color-primary); }

.nav-actions-cluster {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.nav-cta-btn { padding: 9px 18px; font-size: 0.86rem; }

.theme-toggle-btn {
    width: 38px; height: 38px;
    border-radius: var(--shape-full, 9999px);
    background-color: var(--md-sys-color-surface-container-high);
    border: 1px solid var(--md-sys-color-outline-variant);
    color: var(--md-sys-color-on-surface);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s ease;
}
.theme-toggle-btn:hover {
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
}

.mobile-menu-toggle {
    display: none;
    width: 38px; height: 38px;
    border-radius: var(--shape-full, 9999px);
    background-color: var(--md-sys-color-surface-container-high);
    border: 1px solid var(--md-sys-color-outline-variant);
    color: var(--md-sys-color-on-surface);
    font-size: 1.2rem;
    cursor: pointer;
    align-items: center; justify-content: center;
}

/* Mobile Drawer */
.mobile-drawer {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--md-sys-color-surface-container);
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    padding: 20px 24px;
    z-index: 999;
    flex-direction: column;
    gap: 14px;
    box-shadow: var(--elevation-3);
}

/* ==========================================================================
   HERO
   ========================================================================== */

.hero-section {
    padding-top: calc(var(--header-h) + 64px);
    padding-bottom: 56px;
    text-align: center;
}

.hero-inner {
    max-width: 820px;
    margin: 0 auto;
}

.hero-pill { margin-bottom: 20px; }

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.4rem;
    font-weight: 900;
    line-height: 1.12;
    letter-spacing: -1.2px;
    margin-bottom: 18px;
    color: var(--md-sys-color-on-surface);
}

.hero-title .highlight { color: var(--md-sys-color-primary); }

.hero-desc {
    font-size: 1.12rem;
    color: var(--md-sys-color-on-surface-variant);
    line-height: 1.6;
    max-width: 640px;
    margin: 0 auto 32px;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* Section Head */
.section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 40px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.6px;
    margin-bottom: 8px;
    color: var(--md-sys-color-on-surface);
}

.section-sub {
    font-size: 1rem;
    color: var(--md-sys-color-on-surface-variant);
    line-height: 1.6;
}

/* ==========================================================================
   MATERIAL 3 CAROUSEL SECTION
   ========================================================================== */

/* ==========================================================================
   MATERIAL 3 HERO EXPAND CAROUSEL SECTION
   ========================================================================== */

.carousel-section {
    padding: 60px 0 72px;
    background-color: var(--md-sys-color-surface-container-low);
    border-top: 1px solid var(--md-sys-color-outline-variant);
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.device-showcase-frame {
    max-width: 960px;
    margin: 0 auto;
    background-color: var(--md-sys-color-surface);
    border: 2px solid var(--md-sys-color-outline-variant);
    border-radius: var(--shape-extra-large, 28px);
    box-shadow: var(--elevation-2);
    overflow: hidden;
    padding: 24px 20px 20px;
}

/* M3 Carousel Stage */
.m3-carousel-stage {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 8px 0;
}

.m3-carousel-track {
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.5s cubic-bezier(0.2, 0, 0, 1);
    user-select: none;
    cursor: grab;
    will-change: transform;
}
.m3-carousel-track:active { cursor: grabbing; }

/* Inactive / Side Peek Items - Narrow vertical pill shapes */
.m3-carousel-item {
    flex: 0 0 96px;
    height: 543px;
    border-radius: 9999px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--elevation-1);
    border: 2px solid var(--md-sys-color-outline-variant);
    opacity: 0.65;
    cursor: pointer;
    background-color: var(--md-sys-color-surface-container-high);
    transition: flex 0.5s cubic-bezier(0.2, 0, 0, 1),
                border-radius 0.5s cubic-bezier(0.2, 0, 0, 1),
                opacity 0.4s ease,
                transform 0.5s cubic-bezier(0.2, 0, 0, 1),
                border-color 0.4s ease,
                box-shadow 0.4s ease;
}

.m3-carousel-item:hover {
    opacity: 0.85;
    border-color: var(--md-sys-color-primary);
}

/* Active / Hero Item - Expanded wide card with M3 rounded corners */
.m3-carousel-item.active {
    flex: 0 0 305px;
    height: 543px;
    border-radius: var(--shape-extra-large, 28px);
    opacity: 1;
    cursor: default;
    border-color: var(--md-sys-color-primary);
    box-shadow: var(--elevation-4);
    transform: scale(1.01);
}

.carousel-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    pointer-events: none;
    transition: transform 0.5s ease;
}

.m3-carousel-item.active .carousel-img {
    transform: scale(1);
}

/* Controls & Footer */
.carousel-frame-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 8px 4px;
    gap: 16px;
}

.carousel-nav-arrows {
    display: flex;
    align-items: center;
    gap: 16px;
}

.carousel-dots-cluster {
    display: flex;
    align-items: center;
    gap: 8px;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--shape-full, 9999px);
    background-color: var(--md-sys-color-outline-variant);
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.2, 0, 0, 1);
}
.carousel-dot.active {
    width: 28px;
    background-color: var(--md-sys-color-primary);
}

.nav-arrow-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--shape-full, 9999px);
    background-color: var(--md-sys-color-surface-container-high);
    border: 1px solid var(--md-sys-color-outline-variant);
    color: var(--md-sys-color-on-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    cursor: pointer;
    transition: all 0.2s ease;
}
.nav-arrow-btn:hover {
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    transform: scale(1.05);
}

.show-all-link {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--md-sys-color-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    white-space: nowrap;
}
.show-all-link:hover { text-decoration: underline; }

/* ==========================================================================
   FEATURES - BENTO GRID
   ========================================================================== */

.features-section {
    padding: 72px 0;
    background-color: var(--md-sys-color-surface-container-low);
    border-top: 1px solid var(--md-sys-color-outline-variant);
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.features-section .section-head {
    text-align: left;
    max-width: 780px;
    margin: 0 0 44px;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: 20px;
}

.bento-card {
    background-color: var(--md-sys-color-surface-container);
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: var(--shape-extra-large, 28px);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all 0.25s ease;
}
.bento-card:hover {
    border-color: var(--md-sys-color-primary);
    transform: translateY(-3px);
    box-shadow: var(--elevation-2);
}

/* Bento sizing variants */
.bento-large  { grid-column: span 1; }
.bento-medium { grid-column: span 1; }
.bento-small  { grid-column: span 1; }

.feature-box.secondary .feature-icon-badge {
    background-color: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
}
.feature-box.tertiary .feature-icon-badge {
    background-color: var(--md-sys-color-tertiary-container);
    color: var(--md-sys-color-on-tertiary-container);
}

.feature-icon-badge {
    width: 46px; height: 46px;
    border-radius: var(--shape-medium, 14px);
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.feature-box-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--md-sys-color-on-surface);
    line-height: 1.3;
}

.feature-box-desc {
    font-size: 0.88rem;
    color: var(--md-sys-color-on-surface-variant);
    line-height: 1.55;
}

.feature-stat-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: auto;
}

.feature-stat-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border-radius: var(--shape-full, 9999px);
    font-size: 0.78rem;
    font-weight: 700;
    background-color: var(--md-sys-color-surface-container-high);
    color: var(--md-sys-color-on-surface-variant);
    border: 1px solid var(--md-sys-color-outline-variant);
}

/* ==========================================================================
   METRICS STRIP
   ========================================================================== */

.metrics-strip {
    padding: 52px 0;
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.metric-number-big {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 900;
    color: var(--md-sys-color-primary);
    letter-spacing: -0.8px;
}

.metric-label-small {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--md-sys-color-on-surface-variant);
    margin-top: 2px;
}

/* ==========================================================================
   CTA SECTION
   ========================================================================== */

.cta-section {
    padding: 72px 0;
    text-align: center;
}

.cta-box-card {
    background-color: var(--md-sys-color-surface-container);
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: var(--shape-extra-large, 28px);
    padding: 56px 24px;
    max-width: 840px;
    margin: 0 auto;
    box-shadow: var(--elevation-2);
}

.cta-headline {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 900;
    letter-spacing: -0.8px;
    margin-bottom: 12px;
    color: var(--md-sys-color-on-surface);
}

.cta-subline {
    font-size: 1.05rem;
    color: var(--md-sys-color-on-surface-variant);
    max-width: 580px;
    margin: 0 auto 28px;
}

.cta-buttons-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
    background-color: var(--md-sys-color-surface-container-lowest);
    border-top: 1px solid var(--md-sys-color-outline-variant);
    padding: 56px 0 28px;
}

.footer-grid-wrap {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 36px;
    margin-bottom: 36px;
}

.footer-brand-side { display: flex; flex-direction: column; gap: 14px; }

.footer-brand-desc {
    font-size: 0.86rem;
    color: var(--md-sys-color-on-surface-variant);
    max-width: 300px;
    line-height: 1.6;
}

.footer-col-title {
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 800;
    color: var(--md-sys-color-on-surface);
    margin-bottom: 14px;
}

.footer-links-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.footer-link-anchor {
    font-size: 0.85rem;
    color: var(--md-sys-color-on-surface-variant);
    transition: color 0.2s ease;
}
.footer-link-anchor:hover { color: var(--md-sys-color-primary); }

.footer-bottom-bar {
    padding-top: 24px;
    border-top: 1px solid var(--md-sys-color-outline-variant);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.82rem;
    color: var(--md-sys-color-outline);
    flex-wrap: wrap;
    gap: 12px;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 960px) {
    .bento-grid {
        grid-template-columns: 1fr 1fr;
    }
    .bento-small { grid-column: span 1; }
}

@media (max-width: 768px) {
    /* Nav */
    .nav-menu-list { display: none; }
    .mobile-menu-toggle { display: flex; }
    .nav-cta-btn { display: none; }

    /* Hero */
    .hero-title { font-size: 2.4rem; }
    .hero-desc  { font-size: 1rem; }
    .hero-buttons { gap: 10px; }
    .hero-buttons .btn { font-size: 0.86rem; padding: 10px 18px; }

    /* Carousel */
    .device-showcase-frame {
        border-radius: var(--shape-large, 20px);
        padding: 16px 12px 14px;
    }
    .m3-carousel-item {
        flex: 0 0 72px;
        height: 440px;
    }
    .m3-carousel-item.active {
        flex: 0 0 280px;
        height: 440px;
    }

    /* Bento */
    .bento-grid { grid-template-columns: 1fr; gap: 16px; }

    /* Metrics */
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }

    /* Footer */
    .footer-grid-wrap { grid-template-columns: 1fr 1fr; gap: 28px; }
    .footer-bottom-bar { flex-direction: column; text-align: center; }

    /* CTA */
    .cta-headline { font-size: 1.8rem; }
    .cta-box-card { padding: 36px 20px; }
}

@media (max-width: 500px) {
    .container { padding: 0 14px; }
    .nav-brand { font-size: 1.15rem; gap: 8px; }
    .nav-logo-img { width: 30px; height: 30px; }
    .theme-toggle-btn, .mobile-menu-toggle { width: 36px; height: 36px; font-size: 1.1rem; }
    .nav-actions-cluster { gap: 6px; }
    .hero-title { font-size: 2rem; letter-spacing: -0.8px; }
    .section-title { font-size: 1.75rem; }
    .m3-carousel-item {
        flex: 0 0 48px;
        height: 429px;
    }
    .m3-carousel-item.active {
        flex: 0 0 241px;
        height: 429px;
    }
    .metrics-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid-wrap { grid-template-columns: 1fr; }
    .bento-card { padding: 20px; }
}