/* ===================================================
   WinRAR – Main Stylesheet
   Modern SaaS-style file archiver website
   =================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
    /* Palette */
    --clr-primary:    #4F46E5;
    --clr-primary-d:  #4338CA;
    --clr-primary-l:  #818CF8;
    --clr-secondary:  #7C3AED;
    --clr-accent:     #F59E0B;
    --clr-accent-l:   #FBBF24;

    --clr-bg:         #F8FAFC;
    --clr-surface:    #FFFFFF;
    --clr-surface-2:  #F1F5F9;
    --clr-border:     #E2E8F0;

    --clr-text:       #1E293B;
    --clr-text-muted: #64748B;
    --clr-text-light: #94A3B8;

    --clr-success:    #10B981;
    --clr-danger:     #EF4444;

    /* Gradient */
    --grad-primary: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    --grad-hero:    linear-gradient(160deg, #EEF2FF 0%, #F8FAFC 40%, #FFF7ED 100%);
    --grad-card:    linear-gradient(135deg, #EEF2FF 0%, #F5F3FF 100%);

    /* Typography */
    --ff-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --fs-xs:  0.75rem;
    --fs-sm:  0.875rem;
    --fs-base: 1rem;
    --fs-md:  1.125rem;
    --fs-lg:  1.25rem;
    --fs-xl:  1.5rem;
    --fs-2xl: 2rem;
    --fs-3xl: 2.5rem;
    --fs-4xl: 3rem;
    --fs-5xl: 3.5rem;

    /* Spacing */
    --sp-xs: 0.25rem;
    --sp-sm: 0.5rem;
    --sp-md: 1rem;
    --sp-lg: 1.5rem;
    --sp-xl: 2rem;
    --sp-2xl: 3rem;
    --sp-3xl: 4rem;
    --sp-4xl: 6rem;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm:  0 1px 2px rgba(0,0,0,.05);
    --shadow-md:  0 4px 12px rgba(0,0,0,.08);
    --shadow-lg:  0 8px 30px rgba(0,0,0,.1);
    --shadow-xl:  0 16px 48px rgba(0,0,0,.12);
    --shadow-glow: 0 0 40px rgba(79,70,229,.15);

    /* Transition */
    --ease: cubic-bezier(.4,0,.2,1);
    --dur: 0.25s;

    /* Navbar height */
    --navbar-h: 72px;
}

/* ---------- Reset & Base ---------- */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--navbar-h);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    font-family: var(--ff-body);
    font-size: var(--fs-base);
    line-height: 1.6;
    color: var(--clr-text);
    background: var(--clr-bg);
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
}

img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

/* ---------- Utility ---------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--sp-lg);
}

.text-gradient {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section {
    padding: var(--sp-4xl) 0;
}

.section__label {
    display: inline-block;
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--clr-primary);
    background: rgba(79,70,229,.08);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: var(--sp-md);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.section__title {
    font-size: var(--fs-3xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--sp-md);
}

.section__subtitle {
    font-size: var(--fs-md);
    color: var(--clr-text-muted);
    max-width: 640px;
    line-height: 1.7;
}

.section__header {
    text-align: center;
    margin-bottom: var(--sp-3xl);
}

.section__header .section__subtitle {
    margin-left: auto;
    margin-right: auto;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--ff-body);
    font-weight: 600;
    font-size: var(--fs-base);
    border: none;
    border-radius: var(--radius-md);
    padding: 12px 28px;
    cursor: pointer;
    transition: all var(--dur) var(--ease);
    white-space: nowrap;
}

.btn--primary {
    background: var(--grad-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(79,70,229,.35);
}
.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(79,70,229,.4);
}

.btn--secondary {
    background: var(--clr-surface);
    color: var(--clr-text);
    border: 1.5px solid var(--clr-border);
}
.btn--secondary:hover {
    border-color: var(--clr-primary-l);
    color: var(--clr-primary);
    background: #EEF2FF;
}

.btn--outline {
    background: transparent;
    color: var(--clr-primary);
    border: 1.5px solid var(--clr-primary);
}
.btn--outline:hover {
    background: var(--clr-primary);
    color: #fff;
}

.btn--ghost {
    background: transparent;
    color: var(--clr-text-muted);
    padding: 8px 16px;
}
.btn--ghost:hover { color: var(--clr-primary); }

.btn--sm { padding: 8px 20px; font-size: var(--fs-sm); }
.btn--lg { padding: 16px 36px; font-size: var(--fs-md); }

.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ---------- NAVBAR ---------- */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--navbar-h);
    z-index: 1000;
    background: rgba(255,255,255,.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.navbar.scrolled {
    border-bottom-color: var(--clr-border);
    box-shadow: var(--shadow-sm);
}

.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.navbar__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--fs-lg);
    font-weight: 700;
    flex-shrink: 0;
}
.navbar__logo-icon { display: flex; width: 36px; height: 36px; border-radius: 6px; object-fit: contain; }

.navbar__links {
    display: flex;
    gap: var(--sp-xl);
}
.navbar__links a {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--clr-text-muted);
    transition: color var(--dur) var(--ease);
    position: relative;
}
.navbar__links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0; right: 0;
    height: 2px;
    background: var(--clr-primary);
    border-radius: 2px;
    transform: scaleX(0);
    transition: transform var(--dur) var(--ease);
}
.navbar__links a:hover,
.navbar__links a.active { color: var(--clr-primary); }
.navbar__links a:hover::after,
.navbar__links a.active::after { transform: scaleX(1); }

.navbar__cta { flex-shrink: 0; }

/* Hamburger */
.navbar__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}
.navbar__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--clr-text);
    border-radius: 2px;
    transition: all var(--dur) var(--ease);
}
.navbar__toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle.active span:nth-child(2) { opacity: 0; }
.navbar__toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- HERO ---------- */
.hero {
    padding-top: calc(var(--navbar-h) + var(--sp-4xl));
    padding-bottom: var(--sp-4xl);
    background: var(--grad-hero);
    overflow: hidden;
    position: relative;
}
.hero::before {
    content: '';
    position: absolute;
    top: -200px; right: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(79,70,229,.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-3xl);
    align-items: center;
}

.hero__content { position: relative; z-index: 1; }

.hero__title {
    font-size: var(--fs-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--sp-lg);
    letter-spacing: -0.02em;
}

.hero__subtitle {
    font-size: var(--fs-lg);
    color: var(--clr-text-muted);
    margin-bottom: var(--sp-xl);
    line-height: 1.7;
    max-width: 520px;
}

.hero__actions {
    display: flex;
    gap: var(--sp-md);
    margin-bottom: var(--sp-2xl);
    flex-wrap: wrap;
}

.hero__badges {
    display: flex;
    gap: var(--sp-md);
    flex-wrap: wrap;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--clr-text-muted);
    background: var(--clr-surface);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    border: 1px solid var(--clr-border);
    box-shadow: var(--shadow-sm);
}
.hero__badge svg { width: 16px; height: 16px; color: var(--clr-primary); }

/* Hero visual / mockup */
.hero__visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero__mockup {
    width: 100%;
    max-width: 520px;
    background: var(--clr-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--clr-border);
}

.mockup__titlebar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: var(--clr-surface-2);
    border-bottom: 1px solid var(--clr-border);
}
.mockup__dot {
    width: 12px; height: 12px;
    border-radius: 50%;
}
.mockup__dot--red    { background: #EF4444; }
.mockup__dot--yellow { background: #F59E0B; }
.mockup__dot--green  { background: #10B981; }
.mockup__titlebar span:last-child {
    margin-left: auto;
    font-size: var(--fs-xs);
    color: var(--clr-text-light);
    font-weight: 500;
}

.mockup__body {
    padding: var(--sp-xl);
}

.mockup__file-list { display: flex; flex-direction: column; gap: 10px; }

.mockup__file {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--clr-surface-2);
    border-radius: var(--radius-md);
    transition: all var(--dur) var(--ease);
}
.mockup__file:hover { background: #EEF2FF; }

.mockup__file-icon {
    width: 36px; height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-xs);
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}
.mockup__file-icon--rar  { background: var(--clr-primary); }
.mockup__file-icon--zip  { background: var(--clr-secondary); }
.mockup__file-icon--7z   { background: var(--clr-accent); }
.mockup__file-icon--tar  { background: var(--clr-success); }

.mockup__file-info { flex: 1; min-width: 0; }
.mockup__file-name { font-size: var(--fs-sm); font-weight: 600; }
.mockup__file-meta { font-size: var(--fs-xs); color: var(--clr-text-light); }

.mockup__file-size {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--clr-text-muted);
    white-space: nowrap;
}

.mockup__progress {
    margin-top: var(--sp-lg);
    padding: 16px;
    background: var(--clr-surface-2);
    border-radius: var(--radius-md);
}

.mockup__progress-label {
    display: flex;
    justify-content: space-between;
    font-size: var(--fs-xs);
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--clr-text-muted);
}

.mockup__progress-bar {
    height: 8px;
    background: var(--clr-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}
.mockup__progress-fill {
    height: 100%;
    width: 78%;
    background: var(--grad-primary);
    border-radius: var(--radius-full);
    animation: progressPulse 2s ease-in-out infinite;
}

@keyframes progressPulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: .7; }
}

/* ---------- FEATURES ---------- */
.features { background: var(--clr-surface); }

.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-xl);
}

.feature-card {
    padding: var(--sp-2xl);
    border-radius: var(--radius-lg);
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    transition: all var(--dur) var(--ease);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--grad-primary);
    transform: scaleX(0);
    transition: transform var(--dur) var(--ease);
}
.feature-card:hover {
    border-color: var(--clr-primary-l);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.feature-card:hover::before { transform: scaleX(1); }

.feature-card__icon {
    width: 52px; height: 52px;
    border-radius: var(--radius-md);
    background: rgba(79,70,229,.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--sp-lg);
    color: var(--clr-primary);
}
.feature-card__icon svg { width: 24px; height: 24px; }

.feature-card__title {
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: var(--sp-sm);
}

.feature-card__desc {
    font-size: var(--fs-sm);
    color: var(--clr-text-muted);
    line-height: 1.6;
}

/* ---------- COMPATIBILITY ---------- */
.compat__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--sp-lg);
}

.compat-card {
    text-align: center;
    padding: var(--sp-2xl) var(--sp-lg);
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    transition: all var(--dur) var(--ease);
}
.compat-card:hover {
    border-color: var(--clr-primary-l);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.compat-card__icon {
    width: 56px; height: 56px;
    margin: 0 auto var(--sp-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(79,70,229,.08);
    color: var(--clr-primary);
}
.compat-card__icon svg { width: 28px; height: 28px; }

.compat-card__title {
    font-weight: 700;
    margin-bottom: 4px;
}
.compat-card__meta {
    font-size: var(--fs-sm);
    color: var(--clr-text-muted);
}

/* ---------- BENEFITS ---------- */
.benefits { background: var(--clr-surface); }

.benefits__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-3xl);
    align-items: center;
}

.benefits__text h2 {
    font-size: var(--fs-3xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--sp-md);
}
.benefits__text p {
    color: var(--clr-text-muted);
    margin-bottom: var(--sp-xl);
    line-height: 1.7;
}

.benefits__list { display: flex; flex-direction: column; gap: var(--sp-md); }

.benefits__item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.benefits__item-icon {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: rgba(16,185,129,.1);
    color: var(--clr-success);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}
.benefits__item-icon svg { width: 14px; height: 14px; }

.benefits__item-text strong {
    display: block;
    font-size: var(--fs-base);
    margin-bottom: 2px;
}
.benefits__item-text span {
    font-size: var(--fs-sm);
    color: var(--clr-text-muted);
}

/* Stats column */
.benefits__stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-lg);
}

.stat-card {
    padding: var(--sp-xl);
    background: var(--clr-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--clr-border);
    text-align: center;
    transition: all var(--dur) var(--ease);
}
.stat-card:hover {
    border-color: var(--clr-primary-l);
    box-shadow: var(--shadow-md);
}

.stat-card__number {
    font-size: var(--fs-3xl);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 4px;
}
.stat-card__label {
    font-size: var(--fs-sm);
    color: var(--clr-text-muted);
}

/* ---------- PRICING ---------- */
.pricing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-xl);
    align-items: start;
}

.pricing-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: var(--sp-2xl);
    transition: all var(--dur) var(--ease);
    position: relative;
}
.pricing-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.pricing-card--featured {
    border-color: var(--clr-primary);
    box-shadow: var(--shadow-glow);
}
.pricing-card--featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px; left: 50%;
    transform: translateX(-50%);
    padding: 4px 16px;
    background: var(--grad-primary);
    color: #fff;
    font-size: var(--fs-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.pricing-card__name {
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: var(--sp-sm);
}

.pricing-card__price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: var(--sp-md);
}
.pricing-card__price .amount {
    font-size: var(--fs-4xl);
    font-weight: 800;
    line-height: 1;
}
.pricing-card__price .period {
    font-size: var(--fs-sm);
    color: var(--clr-text-muted);
}

.pricing-card__desc {
    font-size: var(--fs-sm);
    color: var(--clr-text-muted);
    margin-bottom: var(--sp-xl);
    line-height: 1.6;
}

.pricing-card__features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: var(--sp-xl);
}
.pricing-card__features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--fs-sm);
}
.pricing-card__features li svg {
    width: 16px; height: 16px;
    color: var(--clr-success);
    flex-shrink: 0;
}

.pricing-card .btn { width: 100%; justify-content: center; }

/* ---------- FAQ ---------- */
.faq { background: var(--clr-surface); }

.faq__list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--sp-md);
}

.faq-item {
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--dur) var(--ease);
}
.faq-item.open { border-color: var(--clr-primary-l); }

.faq-item__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--sp-lg) var(--sp-xl);
    background: var(--clr-bg);
    cursor: pointer;
    font-weight: 600;
    font-size: var(--fs-base);
    border: none;
    width: 100%;
    text-align: left;
    font-family: var(--ff-body);
    color: var(--clr-text);
    transition: background var(--dur) var(--ease);
}
.faq-item__question:hover { background: var(--clr-surface-2); }
.faq-item.open .faq-item__question { background: #EEF2FF; color: var(--clr-primary); }

.faq-item__icon {
    width: 24px; height: 24px;
    transition: transform var(--dur) var(--ease);
    flex-shrink: 0;
    color: var(--clr-text-muted);
}
.faq-item.open .faq-item__icon { transform: rotate(180deg); color: var(--clr-primary); }

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s var(--ease);
}
.faq-item__answer-inner {
    padding: var(--sp-lg) var(--sp-xl);
    font-size: var(--fs-sm);
    color: var(--clr-text-muted);
    line-height: 1.7;
}

/* ---------- FOOTER ---------- */
.footer {
    background: var(--clr-text);
    color: rgba(255,255,255,.7);
    padding: var(--sp-4xl) 0 var(--sp-xl);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: var(--sp-2xl);
    margin-bottom: var(--sp-3xl);
}
.footer__col a { word-break: break-word; }

.footer__brand .navbar__logo { margin-bottom: var(--sp-md); }
.footer__brand .navbar__logo-text { color: #fff; }
.footer__tagline {
    font-size: var(--fs-sm);
    line-height: 1.7;
    max-width: 280px;
}

.footer__col h4 {
    color: #fff;
    font-size: var(--fs-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--sp-lg);
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col a {
    font-size: var(--fs-sm);
    transition: color var(--dur) var(--ease);
}
.footer__col a:hover { color: #fff; }

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--sp-xl);
    border-top: 1px solid rgba(255,255,255,.1);
    font-size: var(--fs-sm);
}

.footer__socials {
    display: flex;
    gap: var(--sp-md);
}
.footer__socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
    transition: all var(--dur) var(--ease);
}
.footer__socials a:hover {
    background: var(--clr-primary);
    color: #fff;
}

/* ========================================
   DOWNLOAD PAGE
   ======================================== */

/* Breadcrumb */
.breadcrumb {
    padding-top: calc(var(--navbar-h) + var(--sp-xl));
    padding-bottom: var(--sp-lg);
    background: var(--grad-hero);
}
.breadcrumb__list {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--fs-sm);
    color: var(--clr-text-muted);
    flex-wrap: wrap;
    padding: var(--sp-sm) 0;
}
.breadcrumb__list li {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
}
.breadcrumb__list a { color: var(--clr-primary); font-weight: 500; }
.breadcrumb__list a:hover { text-decoration: underline; }
.breadcrumb__sep { color: var(--clr-text-light); user-select: none; }

/* Download hero */
.dl-hero {
    background: var(--grad-hero);
    padding-bottom: var(--sp-3xl);
    text-align: center;
}
.dl-hero__title {
    font-size: var(--fs-4xl);
    font-weight: 800;
    margin-bottom: var(--sp-md);
}
.dl-hero__subtitle {
    font-size: var(--fs-md);
    color: var(--clr-text-muted);
    max-width: 560px;
    margin: 0 auto;
}

/* Quick download card */
.quick-dl {
    padding: var(--sp-3xl) 0;
}

.quick-dl__card {
    max-width: 680px;
    margin: 0 auto;
    background: var(--clr-surface);
    border: 2px solid var(--clr-primary);
    border-radius: var(--radius-xl);
    padding: var(--sp-2xl) var(--sp-3xl);
    box-shadow: var(--shadow-glow);
    text-align: center;
    position: relative;
    overflow: hidden;
    word-wrap: break-word;
}

.quick-dl__badge {
    position: absolute;
    top: -14px; left: 50%;
    transform: translateX(-50%);
    background: var(--grad-primary);
    color: #fff;
    font-size: var(--fs-sm);
    font-weight: 600;
    padding: 6px 20px;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.quick-dl__title {
    font-size: var(--fs-xl);
    font-weight: 700;
    margin-top: var(--sp-sm);
    margin-bottom: var(--sp-sm);
}

.quick-dl__meta {
    display: flex;
    justify-content: center;
    gap: var(--sp-xl);
    font-size: var(--fs-sm);
    color: var(--clr-text-muted);
    margin-bottom: var(--sp-xl);
    flex-wrap: wrap;
}
.quick-dl__meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.quick-dl__actions {
    display: flex;
    justify-content: center;
    gap: var(--sp-md);
    flex-wrap: wrap;
}

/* Filters */
.dl-filters {
    padding: var(--sp-xl) 0;
}

.dl-filters__bar {
    display: flex;
    gap: var(--sp-md);
    flex-wrap: wrap;
    padding: var(--sp-lg);
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
}

.dl-filters__bar select {
    flex: 1;
    min-width: 160px;
    padding: 10px 16px;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    background: var(--clr-bg);
    font-family: var(--ff-body);
    font-size: var(--fs-sm);
    color: var(--clr-text);
    cursor: pointer;
    transition: border-color var(--dur) var(--ease);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M2.5 4.5L6 8l3.5-3.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}
.dl-filters__bar select:focus {
    outline: none;
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,.1);
}

/* Download table / cards */
.dl-table {
    padding: var(--sp-lg) 0 var(--sp-3xl);
}

.dl-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--clr-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--clr-border);
}

.dl-table thead {
    background: var(--clr-surface-2);
}

.dl-table th {
    padding: 14px 20px;
    font-size: var(--fs-sm);
    font-weight: 600;
    text-align: left;
    color: var(--clr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.dl-table td {
    padding: 16px 20px;
    font-size: var(--fs-sm);
    border-top: 1px solid var(--clr-border);
    word-break: break-word;
}

.dl-table tbody tr {
    transition: background var(--dur) var(--ease);
}
.dl-table tbody tr:hover {
    background: #FAFAFE;
}

.dl-table .btn--sm {
    padding: 6px 16px;
    font-size: var(--fs-xs);
}

/* Responsive download cards (shown on mobile) */
.dl-cards { display: none; }

.dl-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: var(--sp-lg);
    margin-bottom: var(--sp-md);
}

.dl-card__header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--sp-md);
}

.dl-card__title { font-weight: 700; font-size: var(--fs-base); }
.dl-card__version { font-size: var(--fs-sm); color: var(--clr-text-muted); }

.dl-card__details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-sm) var(--sp-lg);
    font-size: var(--fs-sm);
    color: var(--clr-text-muted);
    margin-bottom: var(--sp-md);
}

/* Extra sections on download page */
.dl-extra {
    padding: var(--sp-3xl) 0;
    background: var(--clr-surface);
}

.dl-extra__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-2xl);
}

.dl-extra__card {
    padding: var(--sp-2xl);
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
}

.dl-extra__card h3 {
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: var(--sp-md);
    display: flex;
    align-items: center;
    gap: 10px;
}
.dl-extra__card h3 svg { width: 22px; height: 22px; color: var(--clr-primary); }

.dl-extra__card p,
.dl-extra__card li {
    font-size: var(--fs-sm);
    color: var(--clr-text-muted);
    line-height: 1.7;
}
.dl-extra__card ul {
    padding-left: 18px;
    list-style: disc;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.checksum-box {
    margin-top: var(--sp-md);
    padding: 14px 18px;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    font-family: monospace;
    font-size: var(--fs-xs);
    word-break: break-all;
    color: var(--clr-text-muted);
}

/* ---------- PAGE TRANSITION ---------- */
.page-transition {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: var(--clr-bg);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease;
}
.page-transition.active {
    opacity: 1;
    pointer-events: all;
}

/* On initial load, page transition overlay handles the fade.
   No body animation needed — it conflicts with IntersectionObserver. */

/* ---------- ANIMATIONS ---------- */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* No-JS / fallback: if JS never loads, show content after 3s */
@keyframes fade-up-fallback {
    to { opacity: 1; transform: translateY(0); }
}
html:not(.js-ready) .fade-up {
    animation: fade-up-fallback .6s ease 2.5s forwards;
}

/* ---------- RESPONSIVE ---------- */

/* Tablet */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero__subtitle { margin-left: auto; margin-right: auto; }
    .hero__actions { justify-content: center; }
    .hero__badges { justify-content: center; }
    .hero__visual { order: -1; }
    .hero__mockup { max-width: 450px; margin: 0 auto; }

    .features__grid { grid-template-columns: repeat(2, 1fr); }

    .benefits__grid { grid-template-columns: 1fr; }
    .benefits__stats { max-width: 400px; margin: 0 auto; }

    .pricing__grid { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--sp-xl);
    }
    .footer__brand { grid-column: 1 / -1; }

    .dl-extra__grid { grid-template-columns: 1fr; }

    .dl-table table { font-size: var(--fs-sm); }
    .dl-table th,
    .dl-table td { padding: 12px 14px; }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --fs-5xl: 2.25rem;
        --fs-4xl: 2rem;
        --fs-3xl: 1.75rem;
        --fs-2xl: 1.5rem;
        --sp-4xl: 3.5rem;
    }

    .container { padding: 0 var(--sp-md); }
    .section { padding: var(--sp-3xl) 0; }

    /* Navbar mobile */
    .navbar__toggle { display: flex; }
    .navbar__links {
        position: fixed;
        top: 0; right: 0;
        width: 280px;
        height: 100vh;
        height: 100dvh;
        background: var(--clr-surface);
        flex-direction: column;
        padding: calc(var(--navbar-h) + var(--sp-xl)) var(--sp-xl) var(--sp-xl);
        box-shadow: var(--shadow-xl);
        transform: translateX(100%);
        transition: transform 0.35s var(--ease);
        z-index: 999;
        gap: var(--sp-sm);
        overflow-y: auto;
    }
    .navbar__links.open { transform: translateX(0); }
    .navbar__links a {
        font-size: var(--fs-base);
        padding: 10px 0;
    }
    .navbar__cta { display: none; }

    .features__grid { grid-template-columns: 1fr; }
    .compat__grid { grid-template-columns: repeat(2, 1fr); }

    .footer__grid { grid-template-columns: 1fr; }
    .footer__bottom { flex-direction: column; gap: var(--sp-md); text-align: center; }

    /* Download table → cards */
    .dl-table table { display: none; }
    .dl-cards { display: block; }

    .quick-dl__card { padding: var(--sp-lg) var(--sp-md); }
    .quick-dl__title { font-size: var(--fs-lg); }
    .quick-dl__badge { font-size: var(--fs-xs); padding: 4px 14px; }
    .dl-filters__bar { flex-direction: column; }
    .dl-filters__bar select { min-width: 100%; }

    /* Breadcrumb mobile */
    .breadcrumb { padding-top: calc(var(--navbar-h) + var(--sp-md)); padding-bottom: var(--sp-sm); }

    /* Download hero mobile */
    .dl-hero__title { font-size: var(--fs-2xl); }
    .dl-hero__subtitle { font-size: var(--fs-sm); }
    .dl-hero { padding-bottom: var(--sp-xl); }

    /* FAQ mobile */
    .faq-item__question { padding: var(--sp-md); font-size: var(--fs-sm); }
    .faq-item__answer-inner { padding: var(--sp-md); }

    /* DL extra cards */
    .dl-extra__card { padding: var(--sp-lg); }
    .dl-extra__card h3 { font-size: var(--fs-base); }

    /* Error page mobile */
    .error-page__code { font-size: 5rem; }
    .error-page__icon { width: 80px; height: 80px; }
    .error-page__actions { flex-direction: column; }
}

@media (max-width: 480px) {
    :root {
        --fs-5xl: 1.75rem;
        --fs-4xl: 1.5rem;
        --fs-3xl: 1.35rem;
        --fs-2xl: 1.25rem;
    }

    .container { padding: 0 var(--sp-sm); }

    .hero__actions { flex-direction: column; align-items: stretch; }
    .hero__badges { flex-direction: column; align-items: center; }
    .hero__title { letter-spacing: -0.01em; }

    .quick-dl__meta { flex-direction: column; gap: var(--sp-sm); }
    .quick-dl__actions { flex-direction: column; }
    .quick-dl__card { padding: var(--sp-md); border-radius: var(--radius-lg); }

    .benefits__stats { grid-template-columns: 1fr; }

    .compat__grid { grid-template-columns: 1fr; }

    .stat-card { padding: var(--sp-md); }
    .stat-card__number { font-size: var(--fs-2xl); }

    .mockup__body { padding: var(--sp-md); }
    .mockup__file { padding: 10px 12px; gap: 10px; }
    .mockup__file-icon { width: 30px; height: 30px; font-size: 0.65rem; }

    .btn--lg { padding: 14px 24px; font-size: var(--fs-base); }
    .btn--sm { padding: 8px 16px; font-size: var(--fs-xs); }

    /* DL cards tight */
    .dl-card { padding: var(--sp-md); }
    .dl-card__details { gap: var(--sp-xs) var(--sp-md); font-size: var(--fs-xs); }

    .error-page__code { font-size: 4rem; }
    .error-page__title { font-size: var(--fs-lg); }
    .error-page__text { font-size: var(--fs-sm); }

    .navbar__logo-text { font-size: var(--fs-base); }
}

/* Extra-small (below 360px) */
@media (max-width: 360px) {
    :root {
        --fs-5xl: 1.5rem;
        --fs-4xl: 1.35rem;
        --fs-3xl: 1.2rem;
        --navbar-h: 60px;
    }
    .container { padding: 0 var(--sp-xs); }
    .navbar__logo-icon { width: 28px; height: 28px; }
    .quick-dl__badge { font-size: 0.65rem; }
    .hero__badge { font-size: var(--fs-xs); padding: 6px 10px; }
}

/* Overlay for mobile nav */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.3);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur) var(--ease);
}
.nav-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* ---------- 404 Error Page ---------- */
.error-page {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--sp-3xl) 0;
}
.error-page__content {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}
.error-page__icon {
    margin-bottom: var(--sp-lg);
    filter: drop-shadow(0 8px 24px rgba(79, 70, 229, .25));
    animation: float404 3s ease-in-out infinite;
}
@keyframes float404 {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-12px); }
}
.error-page__code {
    font-size: 7rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--sp-xs);
}
.error-page__title {
    font-size: var(--fs-2xl);
    color: var(--clr-text);
    margin-bottom: var(--sp-md);
}
.error-page__text {
    font-size: var(--fs-md);
    color: var(--clr-muted);
    margin-bottom: var(--sp-xl);
    line-height: 1.6;
}
.error-page__actions {
    display: flex;
    gap: var(--sp-md);
    justify-content: center;
    flex-wrap: wrap;
}