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

/*
 * FIBONACCI SPACING SCALE (base 4px)
 * --sp-1:  1 × 4 =   4px
 * --sp-2:  2 × 4 =   8px
 * --sp-4:  4 × 4 =  16px
 * --sp-8:  8 × 4 =  32px
 * --sp-16: 16 × 4 =  64px
 * --sp-32: 32 × 4 = 128px
 *
 * FIBONACCI RADIUS SCALE
 * --r-1:   4px   (subtle rounding)
 * --r-2:   8px   (small components)
 * --r-4:  16px   (cards, inputs)
 * --r-8:  32px   (large cards, pills)
 * --r-pill: 9999px (fully rounded)
 */

:root {
    /* Colors */
    --primary: #009292;
    --primary-dark: #007575;
    --primary-light: #00b8b8;
    --primary-bg: rgba(0, 146, 146, 0.06);
    --primary-bg-strong: rgba(0, 146, 146, 0.12);
    --dark: #0a0e1a;
    --dark-soft: #141828;
    --gray-900: #111827;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;

    /* Fibonacci Spacing */
    --sp-1:  4px;
    --sp-2:  8px;
    --sp-4:  16px;
    --sp-8:  32px;
    --sp-16: 64px;
    --sp-32: 128px;

    /* Fibonacci Radius */
    --r-1:    4px;
    --r-2:    8px;
    --r-4:    16px;
    --r-8:    32px;
    --r-pill: 9999px;

    /* Legacy aliases (used by components below) */
    --radius:    var(--r-4);
    --radius-lg: var(--r-4);
    --radius-xl: var(--r-8);

    /* Shadows */
    --shadow-sm:      0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md:      0 var(--sp-1) var(--sp-4) rgba(0,0,0,0.08), 0 2px var(--sp-2) rgba(0,0,0,0.04);
    --shadow-lg:      0 var(--sp-2) var(--sp-8) rgba(0,0,0,0.10), 0 var(--sp-1) var(--sp-4) rgba(0,0,0,0.06);
    --shadow-primary: 0 var(--sp-1) var(--sp-4) rgba(0, 146, 146, 0.3);

    --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--gray-700);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 var(--sp-8);       /* 32px */
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 0;
    transform: translateY(var(--sp-8));   /* 32px */
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay   { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(var(--sp-4));
    -webkit-backdrop-filter: blur(var(--sp-4));
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--sp-16);          /* 64px */
}

.logo {
    display: flex;
    align-items: center;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    flex-shrink: 0;
}

.logo-on    { color: var(--primary); }
.logo-music { color: var(--dark); }

.logo-img {
    height: 32px;
    width: auto;
    display: block;
}

/* Footer: o SVG "black" usa preenchimento escuro — inverte para branco no footer */
.logo-img--footer {
    height: 28px;
    filter: brightness(0) invert(1);
}

.nav-links {
    display: flex;
    gap: var(--sp-8);              /* 32px */
    align-items: center;
}

.nav-links > a {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
    transition: color var(--transition);
}

.nav-links > a:hover { color: var(--primary); }

.nav-actions-mobile { display: none; }

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--sp-2);              /* 8px */
}

.btn-outline {
    padding: var(--sp-2) var(--sp-4);   /* 8px 16px */
    border: 1.5px solid var(--gray-200);
    border-radius: var(--r-2);          /* 8px */
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    transition: var(--transition);
    font-family: 'Montserrat', sans-serif;
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}

.btn-primary-sm {
    padding: var(--sp-2) var(--sp-4);   /* 8px 16px */
    background: var(--primary);
    border-radius: var(--r-2);          /* 8px */
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    transition: var(--transition);
    font-family: 'Montserrat', sans-serif;
}

.btn-primary-sm:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-primary);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: var(--sp-1);              /* 4px */
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--sp-2);          /* 8px */
}

.menu-toggle span {
    display: block;
    width: var(--sp-4);            /* 16px */
    height: 2px;
    background: var(--dark);
    border-radius: var(--r-1);     /* 4px */
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translateY(9px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translateY(-9px); }

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);              /* 8px */
    padding: var(--sp-4) var(--sp-8);   /* 16px 32px */
    background: var(--primary);
    color: var(--white);
    font-size: 15px;
    font-weight: 700;
    border-radius: var(--r-4);    /* 16px */
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-primary);
    font-family: 'Montserrat', sans-serif;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 var(--sp-2) var(--sp-8) rgba(0, 146, 146, 0.38);
}

.btn-primary.btn-lg {
    padding: var(--sp-4) var(--sp-8);   /* 16px 32px */
    font-size: 16px;
    border-radius: var(--r-4);
    gap: var(--sp-2);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    padding: var(--sp-4) var(--sp-8);   /* 16px 32px */
    color: var(--gray-600);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--r-4);
    transition: var(--transition);
}

.btn-ghost:hover {
    color: var(--primary);
    background: var(--primary-bg);
}

/* ===== LABELS & HIGHLIGHTS ===== */
.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary);
    background: var(--primary-bg-strong);
    padding: var(--sp-1) var(--sp-4);   /* 4px 16px */
    border-radius: var(--r-pill);
    margin-bottom: var(--sp-4);         /* 16px */
}

.highlight { color: var(--primary); }

/* ===== HERO ===== */
.hero {
    padding-top: var(--sp-32);          /* 128px */
    padding-bottom: var(--sp-16);       /* 64px */
    background: linear-gradient(160deg, var(--gray-50) 0%, var(--white) 60%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0,146,146,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-16);                  /* 64px */
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);                   /* 8px */
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-bg-strong);
    padding: var(--sp-1) var(--sp-4);   /* 4px 16px */
    border-radius: var(--r-pill);
    margin-bottom: var(--sp-4);         /* 16px */
}

.badge-dot {
    width: var(--sp-2);                 /* 8px */
    height: var(--sp-2);                /* 8px */
    background: var(--primary);
    border-radius: 50%;
    animation: blink 1.8s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.3; }
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.12;
    color: var(--dark);
    letter-spacing: -1.5px;
    margin-bottom: var(--sp-4);         /* 16px */
}

.hero-subtitle {
    font-size: 17px;
    line-height: 1.75;
    color: var(--gray-500);
    margin-bottom: var(--sp-8);         /* 32px */
    max-width: 480px;
}

.hero-cta {
    display: flex;
    gap: var(--sp-2);                   /* 8px */
    margin-bottom: var(--sp-16);        /* 64px */
    align-items: center;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--sp-8);                   /* 32px */
    padding-top: var(--sp-8);           /* 32px */
    border-top: 1px solid var(--gray-200);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat strong {
    font-size: 26px;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.5px;
}

.stat span {
    font-size: 12px;
    color: var(--gray-400);
    margin-top: var(--sp-1);            /* 4px */
}

.stat-divider {
    width: 1px;
    height: var(--sp-8);                /* 32px */
    background: var(--gray-200);
}

/* ===== HERO EMPATHY ===== */
.hero-empathy {
    font-size: 15px;
    color: var(--gray-600);
    font-weight: 500;
    line-height: 1.65;
    margin-bottom: var(--sp-4);          /* 16px */
    padding: var(--sp-2) var(--sp-4);    /* 8px 16px */
    border-left: 3px solid var(--primary);
    background: var(--primary-bg);
    border-radius: 0 var(--r-2) var(--r-2) 0;
}

/* ===== HERO PHOTO ===== */
.hero-visual {
    display: flex;
    justify-content: flex-end;
}

.app-mockup {
    width: 100%;
    max-width: 448px;                   /* 7 × 64px */
    background: var(--dark);
    border-radius: var(--r-8);          /* 32px */
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.06);
    overflow: hidden;
}

.mockup-bar {
    display: flex;
    align-items: center;
    gap: var(--sp-4);                   /* 16px */
    padding: var(--sp-2) var(--sp-4);   /* 8px 16px */
    background: rgba(255,255,255,0.04);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.mockup-dots {
    display: flex;
    gap: var(--sp-1);                   /* 4px */
}

.dot {
    width: var(--sp-2);                 /* 8px */
    height: var(--sp-2);                /* 8px */
    border-radius: 50%;
}

.dot.red    { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green  { background: #28c840; }

.mockup-url {
    font-size: 11px;
    color: rgba(255,255,255,0.3);
    font-weight: 500;
    letter-spacing: 0.3px;
}

.mockup-body {
    padding: var(--sp-4);               /* 16px */
}

.mockup-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--sp-4);         /* 16px */
}

.session-label {
    display: block;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.35);
    margin-bottom: var(--sp-1);         /* 4px */
}

.session-name {
    font-size: 15px;
    font-weight: 700;
    color: rgba(255,255,255,0.9);
}

.mockup-bpm {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.bpm-number {
    font-size: 34px;
    font-weight: 800;
    color: var(--primary-light);
    line-height: 1;
    letter-spacing: -1px;
}

.bpm-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.35);
    margin-top: var(--sp-1);            /* 4px */
}

/* Beat indicators */
.mockup-beats {
    display: flex;
    gap: var(--sp-2);                   /* 8px */
    margin-bottom: var(--sp-4);         /* 16px */
}

.beat {
    flex: 1;
    height: var(--sp-2);                /* 8px */
    background: rgba(255,255,255,0.1);
    border-radius: var(--r-1);          /* 4px */
    transition: background 0.15s ease, transform 0.1s ease;
}

.beat.active {
    background: var(--primary);
    transform: scaleY(1.5);
}

/* Fretboard */
.mockup-fretboard {
    position: relative;
    height: var(--sp-32);               /* 128px */
    background: linear-gradient(135deg, #1a1428, #0d1020);
    border-radius: var(--r-4);          /* 16px */
    margin-bottom: var(--sp-4);         /* 16px */
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.06);
}

.fb-strings {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    padding: var(--sp-4) 0;             /* 16px */
}

.fb-string {
    height: 1px;
    background: rgba(255,255,255,0.18);
    margin: 0 var(--sp-4);             /* 0 16px */
    border-radius: 1px;
}

.fb-string:nth-child(1) { opacity: 0.5; }
.fb-string:nth-child(6) { opacity: 0.5; height: 2px; }

.fb-frets {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: space-around;
}

.fb-fret {
    width: 1px;
    background: rgba(255,255,255,0.08);
    margin: var(--sp-2) 0;             /* 8px 0 */
}

.fb-note {
    position: absolute;
    width: var(--sp-8);                 /* 32px */
    height: var(--sp-8);                /* 32px */
    background: rgba(0, 146, 146, 0.15);
    border: 1.5px solid rgba(0, 184, 184, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.fb-note span {
    font-size: 9px;
    font-weight: 700;
    color: rgba(255,255,255,0.3);
}

.fb-note.active {
    background: var(--primary);
    border-color: var(--primary-light);
    box-shadow: 0 0 var(--sp-4) rgba(0, 184, 184, 0.6),
                0 0 var(--sp-8) rgba(0, 146, 146, 0.3);
    transform: translate(-50%, -50%) scale(1.15);
}

.fb-note.active span {
    color: var(--white);
}

/* Progress */
.mockup-footer {
    margin-top: var(--sp-1);            /* 4px */
}

.mockup-progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: rgba(255,255,255,0.35);
    margin-bottom: var(--sp-2);         /* 8px */
    font-weight: 600;
}

.mockup-progress-bar {
    height: var(--sp-1);                /* 4px */
    background: rgba(255,255,255,0.08);
    border-radius: var(--r-pill);
    overflow: hidden;
}

.mockup-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: var(--r-pill);
    width: 30%;
    transition: width 0.4s ease;
}

/* ===== HERO PHOTO WRAP ===== */
.hero-photo-wrap {
    position: relative;
    width: 100%;
    max-width: 448px;                    /* 7 × 64px */
    margin-left: auto;
}

.hero-photo {
    width: 100%;
    height: 480px;                       /* 7.5 × 64px */
    object-fit: cover;
    object-position: center 20%;
    border-radius: var(--r-8);           /* 32px */
    box-shadow: var(--shadow-lg);
    display: block;
}

/* Floating app card over photo */
.hero-app-card {
    position: absolute;
    bottom: calc(-1 * var(--sp-4));      /* -16px */
    left: calc(-1 * var(--sp-8));        /* -32px */
    width: 232px;                        /* fib: 89+144 ≈ 232 */
    background: var(--dark);
    border-radius: var(--r-4);           /* 16px */
    padding: var(--sp-4);                /* 16px */
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.07);
}

.hac-top {
    display: flex;
    align-items: center;
    gap: var(--sp-2);                    /* 8px */
    margin-bottom: var(--sp-2);          /* 8px */
}

.hac-url {
    font-size: 10px;
    color: rgba(255,255,255,0.28);
    font-weight: 500;
    letter-spacing: 0.3px;
}

.hac-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--sp-2);          /* 8px */
}

.hac-session { flex: 1; }

.hac-label {
    display: block;
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.35);
    margin-bottom: var(--sp-1);          /* 4px */
}

.hac-name {
    font-size: 13px;
    font-weight: 700;
    color: rgba(255,255,255,0.9);
    line-height: 1.3;
}

.hac-bpm {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    flex-shrink: 0;
}

.hac-bpm-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-light);
    line-height: 1;
    letter-spacing: -0.5px;
}

.hac-bpm-label {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.35);
    margin-top: var(--sp-1);             /* 4px */
}

.hac-beats {
    display: flex;
    gap: var(--sp-1);                    /* 4px */
    margin-bottom: var(--sp-2);          /* 8px */
}

.hac-beats .beat {
    flex: 1;
    height: var(--sp-2);                 /* 8px */
}

.hac-footer {
    display: flex;
    align-items: center;
    gap: var(--sp-2);                    /* 8px */
}

.hac-progress-lbl {
    font-size: 9px;
    color: rgba(255,255,255,0.3);
    white-space: nowrap;
}

.hac-progress-bar {
    flex: 1;
    height: 3px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--r-pill);
    overflow: hidden;
}

.hac-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: var(--r-pill);
    width: 30%;
    transition: width 0.4s ease;
}

.hac-footer #progressText {
    font-size: 9px;
    color: rgba(255,255,255,0.3);
    white-space: nowrap;
    font-weight: 600;
}

/* ===== COMO FUNCIONA ===== */
.como-funciona {
    padding: var(--sp-32) 0;            /* 128px */
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.como-funciona .section-title {
    text-align: center;
    font-size: 38px;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.8px;
    margin-bottom: var(--sp-16);        /* 64px */
    line-height: 1.2;
}

.steps-grid {
    display: flex;
    align-items: flex-start;
    gap: 0;
}

.step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 var(--sp-8);            /* 0 32px */
}

.step-number {
    font-size: 12px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 1px;
    margin-bottom: var(--sp-4);         /* 16px */
    background: var(--primary-bg-strong);
    padding: var(--sp-1) var(--sp-4);   /* 4px 16px */
    border-radius: var(--r-pill);
}

.step-icon {
    width: var(--sp-16);                /* 64px */
    height: var(--sp-16);               /* 64px */
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    color: var(--primary);
    border-radius: var(--r-4);          /* 16px */
    box-shadow: var(--shadow-md);
    margin-bottom: var(--sp-4);         /* 16px */
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.step:hover .step-icon {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    box-shadow: var(--shadow-primary);
}

.step h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--sp-2);         /* 8px */
}

.step p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.75;
}

.step-connector {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    padding-top: var(--sp-16);          /* 64px */
}

.connector-line {
    width: var(--sp-8);                 /* 32px */
    height: 1px;
    background: var(--gray-300);
    position: relative;
}

.connector-line::after {
    content: '';
    position: absolute;
    right: -4px;
    top: -3px;
    border: 3px solid transparent;
    border-left-color: var(--gray-400);
}

/* ===== BENEFÍCIOS ===== */
.beneficios {
    padding: var(--sp-32) 0;            /* 128px */
}

.beneficios .section-title,
.beneficios .section-label {
    text-align: left;
}

.beneficios .section-title {
    font-size: 38px;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.8px;
    margin-bottom: var(--sp-16);        /* 64px */
    line-height: 1.2;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-4);                   /* 16px */
}

.benefit-card {
    padding: var(--sp-8);               /* 32px */
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--r-4);          /* 16px */
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);                   /* 16px */
}

.benefit-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.benefit-icon {
    width: var(--sp-8);                 /* 32px */
    height: var(--sp-8);                /* 32px */
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-bg-strong);
    color: var(--primary);
    border-radius: var(--r-2);          /* 8px */
}

.benefit-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.3;
}

.benefit-card p {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.7;
    flex: 1;
}

.benefit-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-bg);
    padding: var(--sp-1) var(--sp-2);   /* 4px 8px */
    border-radius: var(--r-pill);
    align-self: flex-start;
    margin-top: var(--sp-1);            /* 4px */
}

/* ===== SECTION TITLE COMMON ===== */
.section-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--dark);
    text-align: center;
    margin-bottom: var(--sp-4);         /* 16px */
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 16px;
    color: var(--gray-500);
    text-align: center;
    margin-bottom: var(--sp-16);        /* 64px */
    max-width: 512px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== MÓDULOS ===== */
.modulos {
    padding: var(--sp-32) 0;            /* 128px */
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.modulos .section-label,
.modulos .section-title,
.modulos .section-subtitle {
    text-align: center;
}

.modulos .section-label { display: block; }

.modulos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-4);                   /* 16px */
}

.modulo-card {
    position: relative;
    padding: var(--sp-8);               /* 32px */
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--r-4);          /* 16px */
    transition: var(--transition);
}

.modulo-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.modulo-card.featured {
    border-color: var(--primary);
    box-shadow: 0 var(--sp-1) var(--sp-4) rgba(0, 146, 146, 0.12);
}

.modulo-badge {
    position: absolute;
    top: calc(-1 * var(--sp-2));        /* -8px */
    right: var(--sp-4);                 /* 16px */
    background: var(--primary);
    color: var(--white);
    font-size: 10px;
    font-weight: 700;
    padding: var(--sp-1) var(--sp-4);   /* 4px 16px */
    border-radius: var(--r-pill);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modulo-icon {
    width: var(--sp-16);                /* 64px */
    height: var(--sp-16);               /* 64px */
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-bg-strong);
    color: var(--primary);
    border-radius: var(--r-4);          /* 16px */
    margin-bottom: var(--sp-4);         /* 16px */
}

.modulo-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--sp-2);         /* 8px */
}

.modulo-card > p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: var(--sp-4);         /* 16px */
}

.modulo-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);                   /* 8px */
}

.modulo-features li {
    font-size: 13px;
    color: var(--gray-600);
    padding-left: var(--sp-4);          /* 16px */
    position: relative;
}

.modulo-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: var(--sp-2);                   /* 8px */
    width: var(--sp-2);                 /* 8px */
    height: var(--sp-2);                /* 8px */
    background: var(--primary);
    border-radius: 50%;
}

/* ===== DEPOIMENTOS ===== */
.depoimentos {
    padding: var(--sp-32) 0;            /* 128px */
    border-top: 1px solid var(--gray-200);
}

.depoimentos .section-label { display: block; text-align: center; }

.depoimentos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-4);                   /* 16px */
}

.depoimento-card {
    padding: var(--sp-8);               /* 32px */
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--r-4);          /* 16px */
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);                   /* 16px */
}

.depoimento-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.depoimento-stars {
    color: #f59e0b;
    font-size: 15px;
    letter-spacing: 2px;
}

.depoimento-card > p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.8;
    font-style: italic;
    flex: 1;
}

.depoimento-author {
    display: flex;
    align-items: center;
    gap: var(--sp-4);                   /* 16px */
    padding-top: var(--sp-4);           /* 16px */
    border-top: 1px solid var(--gray-100);
}

.author-avatar {
    width: var(--sp-8);                 /* 32px */
    height: var(--sp-8);                /* 32px */
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.depoimento-author strong {
    font-size: 13px;
    color: var(--dark);
    display: block;
    font-weight: 700;
}

.depoimento-author span {
    font-size: 12px;
    color: var(--gray-400);
    margin-top: var(--sp-1);            /* 4px */
    display: block;
}

/* ===== PROOF STRIP ===== */
.proof-strip {
    position: relative;
    height: 340px;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.proof-strip-photo {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%;
    filter: brightness(0.55);
}

.proof-strip-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(0,20,40,0.85) 0%,
        rgba(0,20,40,0.4)  60%,
        rgba(0,20,40,0.2)  100%
    );
}

.proof-strip-content {
    position: relative;
    z-index: 1;
}

.proof-strip-quote {
    max-width: 560px;
    margin: 0;
    padding: var(--sp-8);                /* 32px */
    border-left: 4px solid var(--primary);
}

.proof-strip-quote p {
    font-size: clamp(18px, 2.5vw, 26px);
    font-weight: 700;
    color: var(--white);
    line-height: 1.45;
    margin: 0 0 var(--sp-4);            /* 0 0 16px */
    font-style: italic;
    letter-spacing: -0.2px;
}

.proof-strip-quote cite {
    font-size: 14px;
    color: rgba(255,255,255,0.55);
    font-style: normal;
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* ===== PRICING ===== */
.pricing {
    padding: var(--sp-32) 0;            /* 128px */
    background: var(--gray-50);
}

.pricing-wrap {
    display: flex;
    justify-content: center;
    gap: var(--sp-8);                   /* 32px */
    align-items: stretch;
}

/* Two-card layout (unused now, kept for future) */
.pricing-two {
    max-width: 848px;
    margin: 0 auto;
}

.pricing-card {
    width: 100%;
    max-width: 400px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--r-8);          /* 32px */
    padding: var(--sp-8) var(--sp-8) var(--sp-8); /* 32px */
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.pricing-card--pro {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.pricing-card--pro::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.pricing-card--free::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--gray-200);
}

.pricing-badge {
    display: inline-block;
    background: var(--primary-bg);
    color: var(--primary);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: var(--sp-1) var(--sp-4);   /* 4px 16px */
    border-radius: var(--r-pill);
    margin-bottom: var(--sp-8);         /* 32px */
}

.pricing-badge--free {
    background: var(--gray-100);
    color: var(--gray-500);
}

/* Locked feature items */
.pricing-feat--locked {
    opacity: 0.38;
    position: relative;
}

.pricing-feat--locked::after {
    content: '🔒';
    font-size: 10px;
    margin-left: var(--sp-1);           /* 4px */
}

/* Push CTA to bottom of card */
.pricing-card .btn-primary,
.pricing-card .btn-outline {
    margin-top: auto;
    width: 100%;
    justify-content: center;
    text-align: center;
}

.pricing-price-wrap {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--sp-1);                   /* 4px */
    margin-bottom: var(--sp-2);         /* 8px */
    line-height: 1;
}

.pricing-currency {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
    margin-top: var(--sp-2);            /* 8px */
}

.pricing-price {
    font-size: 72px;
    font-weight: 900;
    color: var(--dark);
    letter-spacing: -3px;
    line-height: 1;
}

.pricing-period {
    font-size: 18px;
    color: var(--gray-400);
    font-weight: 600;
    align-self: flex-end;
    padding-bottom: var(--sp-2);        /* 8px — alinha com base do número */
    margin-bottom: var(--sp-4);         /* 16px — espaço abaixo do bloco */
}

.pricing-desc {
    font-size: 15px;
    color: var(--gray-600);
    margin-bottom: var(--sp-8);         /* 32px */
    line-height: 1.6;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--sp-8);            /* 0 0 32px */
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);                   /* 16px */
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--sp-4);                   /* 16px */
    font-size: 14px;
    color: var(--gray-700);
    font-weight: 500;
}

.pricing-features li::before {
    content: '✓';
    width: 20px;
    height: 20px;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 900;
    flex-shrink: 0;
    line-height: 20px;
    text-align: center;
}

.pricing-disclaimer {
    font-size: 12px;
    color: var(--gray-400);
    margin-top: var(--sp-4);            /* 16px */
    line-height: 1.5;
}

.pricing-free-note {
    text-align: center;
    margin-top: var(--sp-8);            /* 32px */
    font-size: 13px;
    color: var(--gray-400);
}

.pricing-free-note a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    margin-left: var(--sp-1);           /* 4px */
}

.pricing-free-note a:hover {
    text-decoration: underline;
}

/* ===== FAQ ===== */
.faq {
    padding: var(--sp-32) 0;            /* 128px */
    background: var(--white);
}

.faq-list {
    max-width: 640px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);                   /* 8px */
}

.faq-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--r-4);          /* 16px */
    overflow: hidden;
    transition: var(--transition);
}

.faq-item[open] {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0,146,146,0.08);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--sp-8);               /* 32px */
    cursor: pointer;
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    list-style: none;
    user-select: none;
    gap: var(--sp-4);                   /* 16px */
    transition: color 0.2s ease;
}

.faq-question::-webkit-details-marker { display: none; }

.faq-item[open] .faq-question {
    color: var(--primary);
}

.faq-chevron {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--gray-400);
    transition: transform 0.25s ease, color 0.2s ease;
}

.faq-item[open] .faq-chevron {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    padding: 0 var(--sp-8) var(--sp-8); /* 0 32px 32px */
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.8;
    border-top: 1px solid var(--gray-100);
    padding-top: var(--sp-4);           /* 16px */
}

/* ===== MOBILE FLOATING CTA ===== */
.mobile-cta-float {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    padding: var(--sp-4);               /* 16px */
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--gray-200);
    box-shadow: 0 -4px 24px rgba(0,0,0,0.08);
    opacity: 0;
    transform: translateY(100%);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.mobile-cta-float.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.mobile-cta-float .btn-primary {
    width: 100%;
    justify-content: center;
    border-radius: var(--r-4);          /* 16px */
}

/* ===== SCROLL MARGIN (fixed navbar offset) ===== */
section[id] {
    scroll-margin-top: 80px;
}

/* ===== CTA FINAL ===== */
.cta-final {
    padding: var(--sp-32) 0;            /* 128px */
    background: linear-gradient(150deg, var(--dark) 0%, #0d1528 100%);
    position: relative;
    overflow: hidden;
}

.cta-final::before {
    content: '';
    position: absolute;
    top: -150px;
    left: 50%;
    transform: translateX(-50%);
    width: 512px;
    height: 512px;
    background: radial-gradient(circle, rgba(0,146,146,0.15) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
}

.cta-badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary-light);
    background: rgba(0, 146, 146, 0.15);
    padding: var(--sp-1) var(--sp-4);   /* 4px 16px */
    border-radius: var(--r-pill);
    margin-bottom: var(--sp-4);         /* 16px */
}

.cta-final h2 {
    font-size: 44px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--sp-4);         /* 16px */
    letter-spacing: -1px;
    line-height: 1.15;
}

.cta-final .highlight { color: var(--primary-light); }

.cta-final > .cta-content > p {
    font-size: 17px;
    color: rgba(255,255,255,0.55);
    margin-bottom: var(--sp-8);         /* 32px */
    max-width: 512px;
    margin-left: auto;
    margin-right: auto;
}

.cta-final .btn-primary {
    background: var(--primary);
    font-size: 16px;
    padding: var(--sp-4) var(--sp-8);   /* 16px 32px */
    border-radius: var(--r-4);          /* 16px */
}

.cta-final .btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.cta-disclaimer {
    display: block;
    font-size: 12px;
    color: rgba(255,255,255,0.3);
    margin-top: var(--sp-4);            /* 16px */
}

/* ===== FOOTER ===== */
.footer {
    background: #06080f;
    padding-top: var(--sp-16);          /* 64px */
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: var(--sp-8);                   /* 32px */
    padding-bottom: var(--sp-8);        /* 32px */
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand { max-width: 256px; }    /* 4 × 64px */

.footer-brand .logo  { margin-bottom: var(--sp-4); }  /* 16px */
.footer-brand .logo-music { color: var(--white); }

.footer-brand p {
    font-size: 13px;
    color: rgba(255,255,255,0.35);
    line-height: 1.7;
}

.footer-links {
    display: flex;
    gap: var(--sp-16);                  /* 64px */
    flex-shrink: 0;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);                   /* 8px */
}

.footer-col h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--sp-2);         /* 8px */
    letter-spacing: 0.3px;
}

.footer-col a {
    font-size: 13px;
    color: rgba(255,255,255,0.35);
    transition: color var(--transition);
}

.footer-col a:hover { color: var(--primary-light); }

.footer-bottom {
    padding: var(--sp-4) 0;            /* 16px */
}

.footer-bottom p {
    font-size: 12px;
    color: rgba(255,255,255,0.2);
    text-align: center;
}

/* ===== RESPONSIVE — TABLET ===== */
@media (max-width: 1024px) {
    .hero-title     { font-size: 44px; }
    .hero-content   { gap: var(--sp-8); }          /* 32px */
    .cards-grid     { grid-template-columns: repeat(2, 1fr); }
    .steps-grid     { flex-wrap: wrap; justify-content: center; }
    .step           { min-width: 192px; max-width: 256px; }  /* 3×64, 4×64 */
    .step-connector { display: none; }
}

/* ===== RESPONSIVE — MOBILE ===== */
@media (max-width: 768px) {
    /* Nav */
    .nav-links,
    .nav-actions { display: none; }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        position: fixed;
        top: var(--sp-16);              /* 64px */
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--white);
        padding: var(--sp-8) var(--sp-8); /* 32px */
        gap: var(--sp-1);               /* 4px */
        z-index: 999;
        overflow-y: auto;
    }

    .nav-links.active > a {
        font-size: 18px;
        font-weight: 600;
        color: var(--gray-700);
        padding: var(--sp-4) 0;         /* 16px */
        width: 100%;
        border-bottom: 1px solid var(--gray-100);
    }

    .nav-actions-mobile {
        display: flex;
        flex-direction: column;
        gap: var(--sp-2);               /* 8px */
        width: 100%;
        margin-top: var(--sp-8);        /* 32px */
    }

    .nav-actions-mobile .btn-outline,
    .nav-actions-mobile .btn-primary-sm {
        text-align: center;
        padding: var(--sp-4);           /* 16px */
        font-size: 15px;
        border-radius: var(--r-4);      /* 16px */
    }

    .menu-toggle { display: flex; }

    /* Hero */
    .hero {
        padding-top: calc(var(--sp-16) + var(--sp-8)); /* 64+32 = 96px */
        padding-bottom: var(--sp-16);   /* 64px */
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--sp-8);               /* 32px */
    }

    .hero-visual { order: -1; }

    .hero-title    { font-size: 34px; letter-spacing: -0.8px; }
    .hero-subtitle { font-size: 15px; }

    .hero-cta { flex-direction: column; align-items: flex-start; }
    .hero-cta .btn-primary,
    .hero-cta .btn-ghost { width: 100%; justify-content: center; }

    .hero-stats   { gap: var(--sp-4); } /* 16px */
    .stat strong  { font-size: 22px; }

    .app-mockup { max-width: 100%; }

    /* Sections */
    .como-funciona          { padding: var(--sp-16) 0; }  /* 64px */
    .como-funciona .section-title { font-size: 28px; margin-bottom: var(--sp-8); }
    .steps-grid             { flex-direction: column; align-items: center; gap: var(--sp-8); }
    .step                   { padding: 0; max-width: 320px; }
    .step-connector         { display: none; }

    .beneficios             { padding: var(--sp-16) 0; }  /* 64px */
    .beneficios .section-title { font-size: 28px; }
    .cards-grid             { grid-template-columns: 1fr; }

    .modulos                { padding: var(--sp-16) 0; }  /* 64px */
    .modulos-grid           { grid-template-columns: 1fr; }
    .section-title          { font-size: 28px; }

    .depoimentos            { padding: var(--sp-16) 0; }  /* 64px */
    .depoimentos-grid       { grid-template-columns: 1fr; }

    .cta-final              { padding: var(--sp-16) 0; }  /* 64px */
    .cta-final h2           { font-size: 32px; }
    .cta-final .btn-primary { width: 100%; justify-content: center; }

    .footer-content         { flex-direction: column; gap: var(--sp-8); }  /* 32px */
    .footer-links           { gap: var(--sp-8); }          /* 32px */
    .footer-brand           { max-width: 100%; }

    /* Hero photo */
    .hero-photo-wrap        { max-width: 100%; }
    .hero-photo             { height: 320px; }
    .hero-app-card          {
        left: var(--sp-4);              /* 16px */
        bottom: calc(-1 * var(--sp-8)); /* -32px */
        width: 200px;
    }

    /* Proof strip */
    .proof-strip            { height: auto; padding: var(--sp-16) 0; } /* 64px */
    .proof-strip-photo      { height: 100%; }
    .proof-strip-quote      { padding: var(--sp-4); }       /* 16px */

    /* Pricing */
    .pricing                { padding: var(--sp-16) 0; }    /* 64px */
    .pricing-wrap           { flex-direction: column; align-items: center; }
    .pricing-card           { max-width: 100%; }
    .pricing-price          { font-size: 56px; }

    /* FAQ */
    .faq                    { padding: var(--sp-16) 0; }    /* 64px */
    .faq-question           { padding: var(--sp-4); }       /* 16px */
    .faq-answer             {
        padding: var(--sp-4);                               /* 16px */
        padding-top: var(--sp-2);                           /* 8px  */
    }

    /* Mobile CTA float — show only on mobile */
    .mobile-cta-float       { display: block; }
}

@media (max-width: 480px) {
    .hero-title     { font-size: 28px; }
    .hero-stats     { flex-wrap: wrap; }
    .stat-divider   { display: none; }
    .btn-primary.btn-lg { padding: var(--sp-4) var(--sp-8); font-size: 15px; }
    .cta-final h2   { font-size: 28px; }
    .container      { padding: 0 var(--sp-4); }  /* 16px */
    .hero-app-card  { width: 176px; left: var(--sp-2); } /* 8px */
}