/* ====================================================
   Financeiro.Net - Landing Page CSS
   Pure CSS replacement for Tailwind CDN
   ==================================================== */

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

:root {
    --bg:           #060d18;
    --bg-card:      #0f1e2d;
    --bg-nav:       rgba(6, 13, 24, 0.95);
    --bg-section:   rgba(15, 23, 42, 0.3);

    --slate-100:    #f1f5f9;
    --slate-200:    #e2e8f0;
    --slate-300:    #cbd5e1;
    --slate-400:    #94a3b8;
    --slate-500:    #64748b;
    --slate-600:    #475569;
    --slate-700:    #334155;
    --slate-800:    #1e293b;
    --slate-900:    #0f172a;
    --slate-950:    #060d18;

    --emerald-400:  #34d399;
    --emerald-500:  #10b981;
    --emerald-600:  #059669;
    --teal-500:     #14b8a6;
    --teal-600:     #0d9488;
    --teal-700:     #0f766e;

    --blue-400:     #60a5fa;
    --blue-500:     #3b82f6;
    --rose-400:     #fb7185;
    --rose-500:     #f43f5e;
    --amber-400:    #fbbf24;
    --white:        #ffffff;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--slate-100);
    line-height: 1.5;
    font-size: 16px;
}

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

button {
    font-family: inherit;
}

img, svg {
    display: block;
}

/* =================== SCROLLBAR =================== */
::-webkit-scrollbar          { width: 8px; }
::-webkit-scrollbar-track    { background: var(--bg); }
::-webkit-scrollbar-thumb    { background: #1e293b; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--emerald-500); }
::selection { background: rgba(16,185,129,0.3); color: var(--slate-100); }

/* =================== TYPOGRAPHY =================== */
.text-gradient {
    background: linear-gradient(to right, var(--emerald-500), var(--teal-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-xs   { font-size: 0.75rem;  line-height: 1rem; }
.text-sm   { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem;     line-height: 1.5rem; }
.text-lg   { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl   { font-size: 1.25rem;  line-height: 1.75rem; }
.text-2xl  { font-size: 1.5rem;   line-height: 2rem; }
.text-3xl  { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl  { font-size: 2.25rem;  line-height: 2.5rem; }
.text-tiny { font-size: 0.625rem; line-height: 0.875rem; }

.font-medium   { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold     { font-weight: 700; }

.leading-tight  { line-height: 1.25; }
.leading-relaxed{ line-height: 1.625; }
.tracking-wider { letter-spacing: 0.05em; }
.uppercase      { text-transform: uppercase; }

/* =================== COLORS — TEXT =================== */
.text-white        { color: var(--white); }
.text-slate-100    { color: var(--slate-100); }
.text-slate-200    { color: var(--slate-200); }
.text-slate-300    { color: var(--slate-300); }
.text-slate-400    { color: var(--slate-400); }
.text-slate-500    { color: var(--slate-500); }
.text-slate-600    { color: var(--slate-600); }
.text-emerald-400  { color: var(--emerald-400); }
.text-emerald-500  { color: var(--emerald-500); }
.text-emerald-100  { color: #d1fae5; }
.text-blue-400     { color: var(--blue-400); }
.text-rose-400     { color: var(--rose-400); }
.text-amber-400    { color: var(--amber-400); }

/* =================== LAYOUT UTILITIES =================== */
.container {
    width: 100%;
    max-width: 80rem; /* 1280px — 7xl */
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

.relative { position: relative; }
.absolute { position: absolute; }
.sticky   { position: sticky; }
.overflow-hidden { overflow: hidden; }
.inset-0  { inset: 0; }
.z-50     { z-index: 50; }

.flex        { display: flex; }
.inline-flex { display: inline-flex; }
.inline-block{ display: inline-block; }
.block       { display: block; }
.hidden      { display: none; }
.grid        { display: grid; }

.flex-col   { flex-direction: column; }
.flex-wrap  { flex-wrap: wrap; }
.flex-1     { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.items-center  { align-items: center; }
.items-end     { align-items: flex-end; }
.justify-center  { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start   { justify-content: flex-start; }

.gap-1  { gap: 0.25rem; }
.gap-2  { gap: 0.5rem; }
.gap-3  { gap: 0.75rem; }
.gap-4  { gap: 1rem; }
.gap-6  { gap: 1.5rem; }
.gap-8  { gap: 2rem; }
.gap-12 { gap: 3rem; }

.w-full   { width: 100%; }
.h-full   { height: 100%; }
.w-4      { width: 1rem;   height: 1rem; }
.w-5      { width: 1.25rem; height: 1.25rem; }
.w-6      { width: 1.5rem; }
.h-6      { height: 1.5rem; }
.w-8      { width: 2rem;  height: 2rem; }
.w-10     { width: 2.5rem;  height: 2.5rem; }
.w-12     { width: 3rem;    height: 3rem; }
.w-96     { width: 24rem;   height: 24rem; }

/* =================== SPACING =================== */
.p-3  { padding: 0.75rem; }
.p-4  { padding: 1rem; }
.p-6  { padding: 1.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem;   padding-right: 1rem; }
.px-8 { padding-left: 2rem;   padding-right: 2rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem;  padding-bottom: 0.5rem; }
.py-8 { padding-top: 2rem;    padding-bottom: 2rem; }
.pt-3 { padding-top: 0.75rem; }
.mb-1  { margin-bottom: 0.25rem; }
.mb-2  { margin-bottom: 0.5rem; }
.mb-3  { margin-bottom: 0.75rem; }
.mb-4  { margin-bottom: 1rem; }
.mb-6  { margin-bottom: 1.5rem; }
.mb-8  { margin-bottom: 2rem; }
.mt-1  { margin-top: 0.25rem; }
.mt-2  { margin-top: 0.5rem; }
.mt-6  { margin-top: 1.5rem; }
.mt-8  { margin-top: 2rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.max-w-xl  { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }

/* =================== BORDERS & ROUNDED =================== */
.rounded    { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl{ border-radius: 1rem; }
.rounded-3xl{ border-radius: 1.5rem; }
.rounded-full{ border-radius: 9999px; }
.rounded-t  { border-radius: 0.25rem 0.25rem 0 0; }

.border   { border: 1px solid; }
.border-t { border-top: 1px solid; }
.border-b { border-bottom: 1px solid; }

/* =================== EFFECTS =================== */
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(0,0,0,0.3), 0 8px 10px -6px rgba(0,0,0,0.2); }
.cursor-pointer { cursor: pointer; }
.fill-amber-400 { fill: var(--amber-400); }

/* =================== COMPONENTS =================== */

/* --- Logo --- */
.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}
.logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, var(--emerald-500), var(--teal-600));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--slate-100);
}
.logo-text span { color: var(--emerald-400); }

/* --- Navigation --- */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid #1e293b;
    background: var(--bg-nav);
    backdrop-filter: blur(12px);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}
.nav-links {
    display: none;
    align-items: center;
    gap: 0.5rem;
}
.nav-link {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--slate-300);
    font-size: 0.875rem;
    font-weight: 500;
}
.nav-link:hover { background-color: var(--slate-800); color: var(--slate-100); }
.nav-link.active { color: var(--emerald-400); background-color: rgba(16,185,129,0.1); }

.nav-hamburger {
    background: none;
    border: none;
    color: var(--slate-400);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.375rem;
    transition: color 0.2s;
}
.nav-hamburger:hover { color: var(--white); }

.mobile-menu {
    display: none;
    border-top: 1px solid #1e293b;
    padding: 0.5rem 0;
}
.mobile-menu.open { display: block; }
.mobile-menu .nav-link {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.625rem 1rem;
}

/* --- Buttons --- */
.btn-primary {
    background-color: var(--emerald-500);
    color: var(--slate-900);
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    text-decoration: none;
}
.btn-primary:hover { background-color: var(--emerald-600); }

.btn-secondary {
    border: 1px solid var(--slate-600);
    color: var(--slate-300);
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    background: transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}
.btn-secondary:hover { background-color: var(--slate-800); }

/* --- Cards & Glass --- */
.glass-card {
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(71, 85, 105, 0.3);
}
.glass-card:hover { border-color: rgba(16,185,129,0.3); transition: border-color 0.3s; }

.glow-emerald { box-shadow: 0 0 40px rgba(16, 185, 129, 0.3); }

/* --- Badge --- */
.badge {
    display: inline-flex;
    align-items: center;
    background: rgba(16,185,129,0.1);
    color: var(--emerald-400);
    border: 1px solid rgba(16,185,129,0.2);
    border-radius: 9999px;
    padding: 0.375rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

/* --- Prose Content (Docs) --- */
.prose-content ul { list-style-type: disc; margin-left: 1.5rem; }
.prose-content li { margin-bottom: 0.5rem; line-height: 1.6; }
.prose-content p  { margin-bottom: 1rem; line-height: 1.6; }
.prose-content strong { font-weight: 600; color: var(--slate-200); }

/* --- FAQ Accordion --- */
.faq-item {
    cursor: pointer;
    transition: all 0.3s ease;
}
.faq-item.open .faq-answer {
    max-height: 1000px;
    opacity: 1;
}
.faq-item .faq-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}
.faq-item .faq-header svg {
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.faq-item.open .faq-header svg { transform: rotate(180deg); }
.faq-answer {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

/* =================== PAGE SYSTEM =================== */
.page         { display: none; }
.page.active  { display: block; }

/* =================== ANIMATIONS =================== */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-20px); }
}
@keyframes pulse-slow {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.8; }
}
.animate-float      { animation: float 6s ease-in-out infinite; }
.animate-pulse-slow { animation: pulse-slow 4s ease-in-out infinite; }

/* =================== SECTION: HERO =================== */
.hero-section {
    position: relative;
    padding: 4rem 0 5rem;
    overflow: hidden;
}

/* Orbs / blobs de fundo */
.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}
.hero-bg-orb {
    position: absolute;
    width: 24rem;
    height: 24rem;
    border-radius: 9999px;
    filter: blur(80px);
}
.hero-bg-orb.orb-1 { top: 25%;   left: 25%;  background: rgba(16,185,129,0.1); }
.hero-bg-orb.orb-2 { bottom: 25%; right: 25%; background: rgba(20,184,166,0.1); }
.hero-bg-orb.orb-3 {
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    background: rgba(16,185,129,0.05);
}

.hero-grid {
    display: grid;
    gap: 3rem;
    align-items: center;
}
.hero-text { text-align: center; }

.hero-title {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}
.hero-desc {
    font-size: 1.125rem;
    color: var(--slate-400);
    margin-bottom: 2rem;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
}
.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    justify-content: center;
}
.hero-trust {
    margin-top: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    justify-content: center;
    font-size: 0.875rem;
    color: var(--slate-500);
    flex-wrap: wrap;
}
.hero-trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* --- Dashboard card (mockup) --- */
.dashboard-card {
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(71, 85, 105, 0.3);
    padding: 1.25rem;
    border-radius: 1rem;
    box-shadow: 0 0 40px rgba(16, 185, 129, 0.3);
}
.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}
.dashboard-greeting-name { font-size: 0.875rem; font-weight: 500; color: var(--slate-300); }
.dashboard-greeting-label { font-size: 0.75rem; color: var(--slate-500); }
.dashboard-month-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(30,41,59,0.5);
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    color: var(--slate-400);
}
.dashboard-kpis {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.kpi-card {
    background: rgba(30,41,59,0.5);
    border-radius: 0.75rem;
    padding: 0.75rem;
}
.kpi-card.kpi-emerald { border-left: 3px solid var(--emerald-500); }
.kpi-card.kpi-blue    { border-left: 3px solid var(--blue-500); }
.kpi-card.kpi-rose    { border-left: 3px solid var(--rose-500); }
.kpi-label { font-size: 0.625rem; color: var(--slate-500); text-transform: uppercase; letter-spacing: 0.05em; }
.kpi-value { font-size: 1.125rem; font-weight: 700; margin-top: 0.125rem; }
.kpi-value.emerald { color: var(--emerald-400); }
.kpi-value.blue    { color: var(--blue-400); }
.kpi-value.rose    { color: var(--rose-400); }

.dashboard-chart {
    background: rgba(30,41,59,0.3);
    border-radius: 0.75rem;
    padding: 1rem;
}
.chart-label {
    font-size: 0.625rem;
    color: var(--slate-500);
    margin-bottom: 0.75rem;
}
.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
    height: 6rem;
}
.chart-bar-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    height: 100%;
    justify-content: flex-end;
}
.chart-bar {
    width: 100%;
    border-radius: 2px 2px 0 0;
}
.chart-bar.income  { background: rgba(16,185,129,0.6); }
.chart-bar.expense { background: rgba(244,63,94,0.6); }
.chart-months {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.625rem;
    color: var(--slate-600);
}

/* Floating badges over dashboard */
.float-badge {
    position: absolute;
    background: var(--slate-800);
    border-radius: 0.75rem;
    padding: 0.75rem;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.4);
    border: 1px solid var(--slate-700);
}
.float-badge-top    { top: -1rem;    right: -1rem; }
.float-badge-bottom { bottom: -1rem; left: -1rem;  animation-delay: 2s; }
.float-badge-content { display: flex; align-items: center; gap: 0.5rem; }
.float-badge-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.float-badge-icon.emerald { background: rgba(16,185,129,0.2); }
.float-badge-icon.rose    { background: rgba(244,63,94,0.2); }
.float-badge-sub  { font-size: 0.75rem;  color: var(--slate-500); }
.float-badge-main { font-size: 0.875rem; font-weight: 600; }
.float-badge-main.emerald { color: var(--emerald-400); }
.float-badge-main.rose    { color: var(--rose-400); }

/* =================== SECTION: STATS =================== */
.stats-section {
    padding: 3rem 0;
    border-top:    1px solid rgba(30,41,59,0.5);
    border-bottom: 1px solid rgba(30,41,59,0.5);
    background: var(--bg-section);
}
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}
.stat-item { text-align: center; }
.stat-number {
    font-size: 1.875rem;
    font-weight: 700;
}
.stat-desc {
    font-size: 0.875rem;
    color: var(--slate-500);
    margin-top: 0.25rem;
}

/* =================== SECTION: FEATURES =================== */
.features-section { padding: 5rem 0; }
.section-header {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto 4rem;
}
.section-title {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.25;
}
.section-desc {
    color: var(--slate-400);
    font-size: 1rem;
}
.features-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1fr;
}
.feature-card {
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(51,65,85,0.5);
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(12px);
    transition: border-color 0.3s ease;
}
.feature-card:hover { border-color: rgba(16,185,129,0.3); }
.feature-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    background: rgba(16,185,129,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}
.feature-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--slate-100);
    margin-bottom: 0.5rem;
}
.feature-desc {
    font-size: 0.875rem;
    color: var(--slate-400);
}

/* =================== SECTION: TESTIMONIALS =================== */
.testimonials-section {
    padding: 5rem 0;
    background: var(--bg-section);
}
.testimonials-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1fr;
}
.testimonial-card {
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(51,65,85,0.5);
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(12px);
}
.stars {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}
.stars svg {
    width: 1rem;
    height: 1rem;
}
.testimonial-text {
    color: var(--slate-300);
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    line-height: 1.625;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.author-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 9999px;
    background: linear-gradient(135deg, var(--emerald-500), var(--teal-600));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}
.author-name { font-weight: 500; color: var(--slate-100); font-size: 0.875rem; }
.author-role { font-size: 0.75rem;  color: var(--slate-500); }

/* =================== SECTION: CTA =================== */
.cta-section { padding: 5rem 0; }
.cta-box {
    position: relative;
    overflow: hidden;
    border-radius: 1.5rem;
    background: linear-gradient(135deg, var(--emerald-600), var(--teal-700));
    padding: 4rem 2rem;
    text-align: center;
}
.cta-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}
.cta-desc {
    color: #d1fae5;
    max-width: 42rem;
    margin: 0 auto 2rem;
    font-size: 1rem;
}
.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    justify-content: center;
}
.cta-trust {
    margin-top: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    justify-content: center;
    font-size: 0.875rem;
    color: #d1fae5;
    flex-wrap: wrap;
}
.cta-trust-item { display: flex; align-items: center; gap: 0.5rem; }
.btn-cta-primary {
    background: var(--white);
    color: #047857;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    text-decoration: none;
}
.btn-cta-primary:hover { background: #f1f5f9; }
.btn-cta-secondary {
    border: 1px solid rgba(255,255,255,0.3);
    color: var(--white);
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    background: transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}
.btn-cta-secondary:hover { background: rgba(255,255,255,0.1); }

/* =================== SECTION: DOCS / FAQ (page headers) =================== */
.page-hero {
    position: relative;
    padding: 4rem 0 3rem;
    overflow: hidden;
}
.page-hero-bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.page-hero-bg .orb-1 { top: 0;    left: 25%;  background: rgba(16,185,129,0.05); }
.page-hero-bg .orb-2 { bottom: 0; right: 25%; background: rgba(20,184,166,0.05); }
.page-hero-content { text-align: center; max-width: 48rem; margin: 0 auto; }
.page-title {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.25;
}
.page-desc { color: var(--slate-400); }

.docs-section { padding: 4rem 0; }
.docs-cards   { display: flex; flex-direction: column; gap: 1.5rem; }
.docs-card {
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(51,65,85,0.5);
    background: rgba(30,41,59,0.6);
    backdrop-filter: blur(12px);
}
.docs-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--slate-100);
    margin-bottom: 0.75rem;
}
.docs-card p { color: var(--slate-400); font-size: 0.875rem; margin-bottom: 1rem; }
.docs-card ul { list-style: none; }
.docs-card li {
    color: var(--slate-400);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}
.docs-card li::before { content: "•"; position: absolute; left: 0; color: var(--emerald-500); }

/* FAQ */
.faq-section { padding: 4rem 0; }
.faq-group    { margin-bottom: 1.5rem; }
.faq-group-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--slate-100);
    margin-bottom: 0.75rem;
    margin-top: 1.5rem;
}
.faq-group-title:first-child { margin-top: 0; }
.faq-items    { display: flex; flex-direction: column; gap: 0.5rem; }
.faq-item {
    padding: 1rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(51,65,85,0.5);
    background: rgba(30,41,59,0.6);
    backdrop-filter: blur(12px);
    cursor: pointer;
    transition: all 0.3s ease;
}
.faq-item h4 { font-weight: 500; color: var(--slate-100); font-size: 0.9375rem; }
.faq-answer  {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    font-size: 0.875rem;
    color: var(--slate-400);
    padding-top: 0;
}
.faq-item.open .faq-answer { max-height: 600px; opacity: 1; padding-top: 0.75rem; }
.faq-item.open .faq-header svg { transform: rotate(180deg); }
.faq-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.faq-header svg { transition: transform 0.3s ease; color: var(--slate-400); flex-shrink: 0; }

/* =================== FOOTER =================== */
.footer {
    border-top: 1px solid #1e293b;
    background: rgba(15,23,42,0.5);
    padding: 2rem 0;
    margin-top: 3rem;
}
.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}
.footer-brand h3 {
    font-size: 1.125rem;
    font-weight: 700;
}
.footer-brand p {
    font-size: 0.875rem;
    color: var(--slate-500);
    margin-top: 0.25rem;
}
.footer-links {
    display: flex;
    gap: 2rem;
    font-size: 0.875rem;
    color: var(--slate-400);
}
.footer-links a:hover { color: var(--slate-200); }
.footer-copy {
    border-top: 1px solid #1e293b;
    margin-top: 2rem;
    padding-top: 2rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--slate-600);
}

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

/* sm  ≥ 640px */
@media (min-width: 640px) {
    .hero-cta { flex-direction: row; }
    .cta-buttons { flex-direction: row; }
}

/* md  ≥ 768px */
@media (min-width: 768px) {
    .nav-links { display: flex; }
    .nav-hamburger { display: none; }

    .features-grid     { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(3, 1fr); }

    .stats-grid { grid-template-columns: repeat(4, 1fr); }

    .footer-inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }

    .cta-box { padding: 5rem 4rem; }
    .cta-title { font-size: 2.25rem; }
}

/* lg  ≥ 1024px */
@media (min-width: 1024px) {
    .container { padding-left: 2rem; padding-right: 2rem; }

    .hero-section { padding: 6rem 0 8rem; }
    .hero-grid    { grid-template-columns: 1fr 1fr; gap: 4rem; }
    .hero-text    { text-align: left; }
    .hero-title   { font-size: 3.75rem; }
    .hero-desc    { margin-left: 0; margin-right: 0; }
    .hero-cta     { justify-content: flex-start; }
    .hero-trust   { justify-content: flex-start; }

    .features-grid      { grid-template-columns: repeat(3, 1fr); }
    .features-section   { padding: 8rem 0; }
    .testimonials-section { padding: 8rem 0; }
    .cta-section        { padding: 8rem 0; }

    .section-title { font-size: 2.25rem; }
    .stat-number   { font-size: 2.25rem; }
    .page-title    { font-size: 2.25rem; }

    .dashboard-card { padding: 1.5rem; }
}