/* ============================================================
   Zaffro Landing Page — style.css
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --accent:    #6C47FF;
    --accent-dk: #5235CC;
    --green:     #16A34A;
    --dark:      #0F0F1A;
    --gray-900:  #1A1A2E;
    --gray-700:  #374151;
    --gray-400:  #9CA3AF;
    --gray-100:  #F3F4F6;
    --white:     #FFFFFF;
    --radius:    12px;
    --shadow:    0 4px 24px rgba(0,0,0,.08);
}

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--gray-700);
    background: var(--white);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    cursor: pointer;
    transition: all .15s ease;
    border: 2px solid transparent;
}
.btn--primary  { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn--primary:hover { background: var(--accent-dk); border-color: var(--accent-dk); }
.btn--outline  { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn--outline:hover { background: var(--accent); color: #fff; }
.btn--ghost    { background: transparent; color: var(--gray-700); border-color: var(--gray-100); }
.btn--ghost:hover  { background: var(--gray-100); }
.btn--sm  { padding: 8px 16px; font-size: 14px; }
.btn--lg  { padding: 14px 28px; font-size: 17px; }
.btn--full { width: 100%; justify-content: center; }

/* ---- NAV ---- */
.nav {
    position: sticky;
    top: 0;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--gray-100);
    z-index: 100;
}
.nav__inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav__logo {
    font-size: 20px;
    font-weight: 800;
    color: var(--dark);
    text-decoration: none;
    letter-spacing: -.5px;
}
.nav__links {
    display: flex;
    gap: 24px;
    margin-left: auto;
}
.nav__links a {
    color: var(--gray-700);
    text-decoration: none;
    font-size: 15px;
}
.nav__links a:hover { color: var(--accent); }

/* ---- HERO ---- */
.hero {
    padding: 80px 0 72px;
    text-align: center;
    background: linear-gradient(180deg, #F5F3FF 0%, #fff 100%);
}
.badge {
    display: inline-block;
    background: #EDE9FE;
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 99px;
    margin-bottom: 24px;
    letter-spacing: .3px;
}
.hero h1 {
    font-size: clamp(38px, 6vw, 64px);
    font-weight: 800;
    color: var(--dark);
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
}
.highlight {
    background: linear-gradient(135deg, var(--accent), #A78BFA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero__sub {
    font-size: 18px;
    color: var(--gray-700);
    max-width: 620px;
    margin: 0 auto 36px;
    line-height: 1.7;
}
.hero__cta {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
}
.hero__proof {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--gray-400);
}

/* ---- PAIN ---- */
.pain {
    padding: 48px 0;
    background: var(--dark);
    color: #fff;
    text-align: center;
}
.pain__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}
.pain__item { padding: 16px; }
.pain__icon { font-size: 36px; margin-bottom: 12px; }
.pain__item p { color: #CBD5E1; font-size: 15px; }
.pain__item strong { color: #fff; }
.pain__arrow { font-size: 22px; font-weight: 700; color: var(--accent); letter-spacing: 1px; }

/* ---- HOW IT WORKS ---- */
.how { padding: 80px 0; text-align: center; }
h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -.8px;
    margin-bottom: 12px;
}
.section__sub {
    font-size: 17px;
    color: var(--gray-400);
    margin-bottom: 48px;
}
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
    text-align: left;
}
.step {
    background: var(--gray-100);
    border-radius: var(--radius);
    padding: 32px;
}
.step__num {
    width: 40px; height: 40px;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800;
    font-size: 18px;
    margin-bottom: 16px;
}
.step h3 { font-size: 18px; color: var(--dark); margin-bottom: 8px; }
.step p  { font-size: 15px; color: var(--gray-700); }

/* ---- FEATURES ---- */
.features {
    padding: 80px 0;
    background: var(--gray-900);
    color: #fff;
    text-align: center;
}
.features h2 { color: #fff; }
.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    text-align: left;
}
.feature {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius);
    padding: 28px;
}
.feature__icon { font-size: 28px; margin-bottom: 12px; }
.feature h4 { font-size: 16px; color: #fff; margin-bottom: 8px; font-weight: 700; }
.feature p  { font-size: 14px; color: #94A3B8; line-height: 1.6; }

/* ---- PRICING ---- */
.pricing { padding: 80px 0; text-align: center; }
.pricing__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    max-width: 780px;
    margin: 0 auto 32px;
}
.pricing__card {
    border: 2px solid var(--gray-100);
    border-radius: var(--radius);
    padding: 36px 32px;
    text-align: left;
    position: relative;
    background: #fff;
    box-shadow: var(--shadow);
}
.pricing__card--featured {
    border-color: var(--accent);
    box-shadow: 0 8px 40px rgba(108,71,255,.15);
}
.pricing__badge {
    position: absolute;
    top: -14px; left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 99px;
    white-space: nowrap;
}
.pricing__name { font-size: 14px; font-weight: 700; color: var(--gray-400); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.pricing__price { font-size: 42px; font-weight: 800; color: var(--dark); letter-spacing: -1px; margin-bottom: 8px; }
.pricing__price span { font-size: 18px; font-weight: 500; color: var(--gray-400); }
.pricing__desc { font-size: 14px; color: var(--gray-400); margin-bottom: 24px; }
.pricing__features { list-style: none; margin-bottom: 28px; }
.pricing__features li { font-size: 14px; padding: 6px 0; border-bottom: 1px solid var(--gray-100); color: var(--gray-700); }
.pricing__features li:last-child { border: none; }
.pricing__note { font-size: 14px; color: var(--gray-400); }
.pricing__note a { color: var(--accent); }

/* ---- FAQ ---- */
.faq { padding: 80px 0; background: var(--gray-100); }
.faq h2 { text-align: center; margin-bottom: 48px; }
.faq__list { max-width: 720px; margin: 0 auto; }
.faq__item {
    background: #fff;
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
}
.faq__item summary {
    padding: 20px 24px;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq__item summary::after { content: '+'; font-size: 20px; color: var(--accent); }
.faq__item[open] summary::after { content: '−'; }
.faq__item p { padding: 0 24px 20px; font-size: 15px; color: var(--gray-700); }

/* ---- CTA BANNER ---- */
.cta-banner {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--accent), #A78BFA);
    text-align: center;
    color: #fff;
}
.cta-banner h2 { color: #fff; margin-bottom: 12px; }
.cta-banner p  { color: rgba(255,255,255,.85); font-size: 17px; margin-bottom: 32px; }
.cta-banner .btn--primary {
    background: #fff;
    color: var(--accent);
    border-color: #fff;
}
.cta-banner .btn--primary:hover { background: #EDE9FE; border-color: #EDE9FE; }

/* ---- FOOTER ---- */
.footer {
    background: var(--dark);
    color: #94A3B8;
    padding: 40px 0 24px;
}
.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}
.footer__brand { display: flex; flex-direction: column; gap: 4px; }
.footer__brand strong { color: #fff; font-size: 18px; }
.footer__brand a { color: var(--accent); text-decoration: none; }
.footer__links { display: flex; gap: 24px; }
.footer__links a { color: #94A3B8; text-decoration: none; font-size: 14px; }
.footer__links a:hover { color: #fff; }
.footer__copy { font-size: 13px; border-top: 1px solid rgba(255,255,255,.08); padding-top: 20px; }

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
    .nav__links { display: none; }
    .hero { padding: 56px 0 48px; }
    .hero__sub br { display: none; }
    .pain__grid { grid-template-columns: 1fr; gap: 16px; }
    .pricing__grid { grid-template-columns: 1fr; }
    .footer__inner { flex-direction: column; text-align: center; }
}