/* ════════════════════════════════════════════════════════════
 * SoundForge — Free Audio Tools for Creators
 * Design System ported from Balance IT (Premium Design System V3)
 * Brand: #FF4654 → #FF858D, Plus Jakarta Sans, light surfaces
 * ════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --brand-primary: #FF4654;
    --brand-primary-dark: #D63846;
    --brand-secondary: #FF858D;
    --brand-text-dark: #0F172A;
    --brand-surface-soft: #F8FAFC;
    --brand-text: #2C2C2C;
    --brand-muted: #64748B;
    --brand-muted-strong: #475569;
    --brand-border: #E2E8F0;
    --brand-pale: #FFF5F5;
    --radius-card: 1.5rem;
    --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.04);
    --shadow-card-hover: 0 20px 40px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
    -webkit-font-smoothing: antialiased;
    color: var(--brand-text);
    background: #ffffff;
    line-height: 1.6;
}

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

/* ───────── Focus / a11y ───────── */
*:focus-visible {
    outline: 2px solid var(--brand-primary);
    outline-offset: 2px;
    border-radius: 4px;
}
.skip-link {
    position: absolute; left: 0; top: 0;
    background: var(--brand-primary); color: #fff;
    padding: 0.75rem 1.25rem; border-radius: 0 0 0.5rem 0;
    font-weight: 700; transform: translateY(-150%);
    transition: transform 0.2s ease; z-index: 10000;
}
.skip-link:focus, .skip-link:focus-visible { transform: translateY(0); }

/* ───────── Layout ───────── */
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }

/* ───────── Animations ───────── */
@keyframes float { 0%{transform:translateY(0)} 50%{transform:translateY(-20px)} 100%{transform:translateY(0)} }
@keyframes blob { 0%{transform:translate(0,0) scale(1)} 33%{transform:translate(30px,-50px) scale(1.1)} 66%{transform:translate(-20px,20px) scale(.9)} 100%{transform:translate(0,0) scale(1)} }
@keyframes pulse-glow { 0%{box-shadow:0 0 0 0 rgba(255,70,84,.4)} 70%{box-shadow:0 0 0 20px rgba(255,70,84,0)} 100%{box-shadow:0 0 0 0 rgba(255,70,84,0)} }
@keyframes spin { to { transform: rotate(360deg); } }

.animate-float { animation: float 6s ease-in-out infinite; }
.animate-blob { animation: blob 7s infinite; }

.fade-in-section { opacity: 0; transform: translateY(20px); transition: opacity .6s ease-out, transform .6s ease-out; }
.fade-in-section.is-visible { opacity: 1; transform: none; }

/* ───────── Privacy ribbon ───────── */
.privacy-ribbon {
    background: linear-gradient(90deg, var(--brand-text-dark), #1A1020);
    color: #E2E8F0; text-align: center; font-size: 0.82rem; font-weight: 600;
    padding: 7px 16px; line-height: 1.4;
}
.privacy-ribbon a { color: #E2E8F0; display: inline-block; }
.privacy-ribbon b { color: var(--brand-secondary); font-weight: 800; }
.privacy-ribbon .rib-more { color: var(--brand-secondary); font-weight: 700; white-space: nowrap; }
.privacy-ribbon a:hover .rib-more { text-decoration: underline; }
@media (max-width: 560px) { .privacy-ribbon { font-size: 0.74rem; } .privacy-ribbon .rib-more { display: none; } }

/* ───────── Glass nav ───────── */
.glass-nav {
    position: sticky; top: 0; z-index: 1000;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
.nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 68px; gap: 1.5rem;
}
.nav-logo {
    display: flex; align-items: center; gap: 0.6rem;
    font-weight: 800; font-size: 1.25rem; color: var(--brand-text-dark);
    letter-spacing: -0.02em;
}
.nav-logo .logo-mark {
    width: 34px; height: 34px; border-radius: 10px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff; font-size: 1.05rem;
    box-shadow: 0 6px 14px -6px rgba(255, 70, 84, 0.6);
}
.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a {
    font-weight: 600; font-size: 0.92rem; color: var(--brand-muted-strong);
    transition: color 0.2s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--brand-primary); }
.nav-burger {
    display: none; background: none; border: none; cursor: pointer;
    font-size: 1.5rem; color: var(--brand-text-dark); padding: 6px;
}

/* Mobile menu */
.mobile-menu {
    display: none; position: fixed; inset: 68px 0 0 0; z-index: 999;
    background: rgba(248, 250, 252, 0.98); backdrop-filter: blur(12px);
    padding: 1.5rem; overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.75rem 0; font-weight: 600; color: var(--brand-text-dark);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}
.mobile-menu a::before {
    content: ''; width: 0.5rem; height: 0.5rem; border-radius: 9999px;
    background: linear-gradient(135deg, #FF4654, #FF858D);
}
@media (max-width: 860px) {
    .nav-links { display: none; }
    .nav-burger { display: block; }
}

/* ───────── Eyebrow badge (red dot) ───────── */
.eyebrow {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 8px; margin-bottom: 20px;
}
.eyebrow .dot {
    width: 8px; height: 8px; background: var(--brand-primary); border-radius: 50%;
}
.eyebrow .label {
    text-transform: uppercase; font-size: 12px; font-weight: 700;
    letter-spacing: 0.08em; color: var(--brand-muted);
}

/* ───────── Headings ───────── */
.heading-xl {
    font-size: clamp(34px, 5.4vw, 56px); font-weight: 800;
    letter-spacing: -0.03em; line-height: 1.08;
    color: var(--brand-text-dark); margin: 0 0 24px;
}
.heading-lg {
    font-size: clamp(28px, 4vw, 42px); font-weight: 800;
    letter-spacing: -0.03em; line-height: 1.12;
    color: var(--brand-text-dark); margin: 0 0 18px;
}
.heading-md {
    font-size: 22px; font-weight: 800; letter-spacing: -0.02em;
    color: var(--brand-text-dark); margin: 0 0 12px;
}
.heading-xl .accent, .heading-lg .accent { color: var(--brand-primary); }
.heading-dot { color: var(--brand-primary); }
.lede {
    max-width: 720px; color: var(--brand-muted); font-size: 17px; margin: 0 auto;
}
.text-gradient {
    background: linear-gradient(135deg, #FF4654 0%, #FF858D 100%);
    background-clip: text; -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ───────── Hero ───────── */
.bg-hero-glow {
    background:
        radial-gradient(900px 420px at 80% -10%, rgba(255, 133, 141, 0.16), transparent 60%),
        radial-gradient(700px 380px at 10% 0%, rgba(255, 70, 84, 0.10), transparent 55%),
        linear-gradient(180deg, #ffffff 0%, var(--brand-pale) 55%, #ffffff 100%);
}
.bg-grid-pattern {
    background-size: 40px 40px;
    background-image: linear-gradient(to right, rgba(0,0,0,0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0,0,0,0.03) 1px, transparent 1px);
}

/* ───────── Buttons ───────── */
.btn-primary {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    background: var(--brand-primary); color: #fff;
    border: 1px solid var(--brand-primary); border-radius: 9999px;
    font-weight: 700; font-size: 0.95rem; line-height: 1.2;
    cursor: pointer; transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
    box-shadow: 0 8px 20px -8px rgba(255, 70, 84, 0.55);
}
.btn-primary:hover { background: #e63a47; transform: translateY(-1px); box-shadow: 0 12px 28px -10px rgba(255,70,84,.65); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.btn-secondary {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.875rem 1.75rem; background: #fff; color: var(--brand-text);
    border: 1px solid var(--brand-border); border-radius: 9999px;
    font-weight: 700; font-size: 0.95rem; line-height: 1.2; cursor: pointer;
    transition: background .2s ease, border-color .2s ease, transform .2s ease, color .2s ease;
}
.btn-secondary:hover { background: var(--brand-surface-soft); border-color: var(--brand-primary); color: var(--brand-primary); transform: translateY(-1px); }
.btn-secondary:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.btn-ghost {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.625rem 1.25rem; background: transparent; color: var(--brand-text);
    border: none; border-radius: 0.5rem; font-weight: 600; font-size: 0.9rem; cursor: pointer;
    transition: background .2s ease, color .2s ease;
}
.btn-ghost:hover { background: var(--brand-surface-soft); color: var(--brand-primary); }

.btn-sm { padding: 0.5rem 1.1rem; font-size: 0.85rem; }

/* ───────── Cards ───────── */
.premium-card {
    background: #ffffff; border: 1px solid #F1F5F9; border-radius: var(--radius-card);
    box-shadow: 0 4px 6px -1px rgba(0,0,0,.05), 0 2px 4px -1px rgba(0,0,0,.03);
    transition: all 0.3s ease;
}
.premium-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);
    border-color: rgba(255, 70, 84, 0.3);
}
.glass-card {
    background: rgba(255,255,255,.7); backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,.5); border-radius: var(--radius-card);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
}

/* Tool card grid (homepage) */
.tool-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}
.tool-card {
    display: flex; flex-direction: column; gap: 10px;
    background: #fff; border: 1px solid #F1F5F9; border-radius: var(--radius-card);
    padding: 26px 24px; box-shadow: var(--shadow-card);
    transition: all 0.3s ease; cursor: pointer; position: relative; overflow: hidden;
}
.tool-card:hover {
    transform: translateY(-6px); box-shadow: var(--shadow-card-hover);
    border-color: rgba(255, 70, 84, 0.35);
}
.tool-card .tool-emoji {
    width: 52px; height: 52px; border-radius: 14px;
    background: var(--brand-pale); display: inline-flex;
    align-items: center; justify-content: center; font-size: 1.5rem;
}
.tool-card h3 { margin: 4px 0 0; font-size: 1.05rem; font-weight: 700; color: var(--brand-text-dark); }
.tool-card p { margin: 0; font-size: 0.86rem; color: var(--brand-muted); line-height: 1.55; }
.tool-card .tool-go {
    margin-top: auto; padding-top: 8px; font-weight: 700; font-size: 0.85rem;
    color: var(--brand-primary); display: inline-flex; align-items: center; gap: 6px;
}

/* Stats cards */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; }
.stat-card {
    background: #fff; border: 1px solid #F1F5F9; border-radius: 18px;
    padding: 22px; text-align: center; box-shadow: var(--shadow-card);
}
.stat-card .num { font-size: 30px; font-weight: 800; color: var(--brand-primary); letter-spacing: -0.02em; }
.stat-card .lbl { font-size: 12.5px; color: var(--brand-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }

/* ───────── Tool page shell ───────── */
.tool-hero { text-align: center; padding: 56px 0 36px; }
.tool-hero .tool-hero-emoji { font-size: 3rem; margin-bottom: 12px; display: block; }
.tool-panel {
    background: #fff; border: 1px solid #F1F5F9; border-radius: var(--radius-card);
    box-shadow: var(--shadow-card); padding: 28px; margin-bottom: 24px;
}
.tool-panel h2, .tool-panel h3 { color: var(--brand-text-dark); margin-top: 0; }

/* ───────── Dropzone ───────── */
.dropzone {
    border: 2px dashed var(--brand-border); border-radius: var(--radius-card);
    background: var(--brand-surface-soft);
    padding: 52px 24px; text-align: center; cursor: pointer;
    transition: border-color .2s ease, background .2s ease;
}
.dropzone:hover, .dropzone.dragover {
    border-color: var(--brand-primary); background: var(--brand-pale);
}
.dropzone .dz-icon { font-size: 2.4rem; display: block; margin-bottom: 10px; }
.dropzone .dz-title { font-weight: 700; color: var(--brand-text-dark); font-size: 1.05rem; }
.dropzone .dz-hint { color: var(--brand-muted); font-size: 0.85rem; margin-top: 6px; }

/* ───────── Sliders & controls ───────── */
.control-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.control-row .control-head { display: flex; justify-content: space-between; align-items: baseline; }
.control-row label { font-weight: 700; font-size: 0.9rem; color: var(--brand-text-dark); }
.control-row .control-value { font-weight: 700; font-size: 0.85rem; color: var(--brand-primary); font-variant-numeric: tabular-nums; }

input[type="range"] {
    -webkit-appearance: none; appearance: none; width: 100%; height: 6px;
    border-radius: 999px; background: var(--brand-border); outline: none; margin: 8px 0;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none; width: 20px; height: 20px; border-radius: 50%;
    background: var(--brand-primary); cursor: pointer; border: 3px solid #fff;
    box-shadow: 0 2px 8px rgba(255, 70, 84, 0.45);
    transition: transform .15s ease;
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }
input[type="range"]::-moz-range-thumb {
    width: 20px; height: 20px; border-radius: 50%; background: var(--brand-primary);
    cursor: pointer; border: 3px solid #fff; box-shadow: 0 2px 8px rgba(255,70,84,.45);
}

select, input[type="text"], input[type="number"], textarea {
    width: 100%; padding: 0.7rem 1rem; border: 1px solid var(--brand-border);
    border-radius: 12px; font-family: inherit; font-size: 0.95rem;
    color: var(--brand-text-dark); background: #fff;
}
select:focus, input:focus, textarea:focus { border-color: var(--brand-primary); }

/* Preset chips */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0; }
.chip {
    padding: 0.55rem 1.15rem; border-radius: 9999px; border: 1px solid var(--brand-border);
    background: #fff; font-weight: 700; font-size: 0.85rem; color: var(--brand-muted-strong);
    cursor: pointer; transition: all .2s ease;
}
.chip:hover { border-color: var(--brand-primary); color: var(--brand-primary); }
.chip.active {
    background: var(--brand-primary); border-color: var(--brand-primary); color: #fff;
    box-shadow: 0 6px 16px -6px rgba(255, 70, 84, 0.55);
}

/* ───────── Player / waveform ───────── */
.player { display: flex; flex-direction: column; gap: 12px; }
.player .wave-wrap {
    position: relative; background: var(--brand-surface-soft);
    border: 1px solid #F1F5F9; border-radius: 16px; overflow: hidden; height: 110px;
}
.player canvas { display: block; width: 100%; height: 100%; cursor: pointer; }
.player .transport { display: flex; align-items: center; gap: 12px; }
.player .play-btn {
    width: 48px; height: 48px; border-radius: 50%; border: none; cursor: pointer;
    background: var(--brand-primary); color: #fff; font-size: 1.1rem;
    display: inline-flex; align-items: center; justify-content: center;
    box-shadow: 0 6px 16px -6px rgba(255, 70, 84, 0.6); flex-shrink: 0;
    transition: transform .15s ease;
}
.player .play-btn:hover { transform: scale(1.07); }
.player .time-label { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--brand-muted-strong); font-size: 0.88rem; white-space: nowrap; }

/* ───────── Progress / status ───────── */
.progress-wrap { background: var(--brand-border); border-radius: 999px; height: 8px; overflow: hidden; }
.progress-bar { height: 100%; width: 0%; background: linear-gradient(90deg, var(--brand-primary), var(--brand-secondary)); transition: width .2s ease; border-radius: 999px; }
.spinner {
    width: 18px; height: 18px; border-radius: 50%; display: inline-block;
    border: 3px solid rgba(255,70,84,.25); border-top-color: var(--brand-primary);
    animation: spin .8s linear infinite; vertical-align: middle;
}
.status-note { color: var(--brand-muted); font-size: 0.88rem; }

/* ───────── Toast ───────── */
.toast-host { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); z-index: 5000; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
    background: var(--brand-text-dark); color: #fff; font-weight: 600; font-size: 0.9rem;
    padding: 0.8rem 1.4rem; border-radius: 999px; box-shadow: 0 12px 30px -8px rgba(15,23,42,.5);
    animation: toast-in .25s ease;
}
.toast.error { background: var(--brand-primary-dark); }
@keyframes toast-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* ───────── FAQ ───────── */
.faq-item { border: 1px solid #F1F5F9; border-radius: 18px; background: #fff; box-shadow: var(--shadow-card); margin-bottom: 12px; overflow: hidden; }
.faq-item summary {
    cursor: pointer; padding: 1.1rem 1.4rem; font-weight: 700; color: var(--brand-text-dark);
    list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.3rem; color: var(--brand-primary); font-weight: 800; transition: transform .2s ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 1.4rem 1.2rem; color: var(--brand-muted-strong); font-size: 0.95rem; }

/* ───────── Footer ───────── */
.site-footer {
    background: var(--brand-text-dark); color: #CBD5E1; margin-top: 80px;
    padding: 56px 0 28px;
}
.site-footer .footer-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 32px; margin-bottom: 40px;
}
.site-footer h4 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: .08em; margin: 0 0 14px; }
.site-footer a { display: block; color: #94A3B8; font-size: 0.88rem; padding: 4px 0; transition: color .2s ease; }
.site-footer a:hover { color: var(--brand-secondary); }
.site-footer .footer-bottom {
    border-top: 1px solid rgba(148, 163, 184, 0.15); padding-top: 22px;
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
    font-size: 0.84rem; color: #64748B;
}

/* ───────── Category section headers ───────── */
.cat-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 22px; }
.cat-head h2 { margin: 0; }
.cat-head .cat-sub { color: var(--brand-muted); font-size: 0.95rem; }

/* ───────── Misc helpers ───────── */
.center { text-align: center; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.grow { flex: 1 1 auto; }
.hidden { display: none !important; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 760px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.pill-note {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--brand-pale); border: 1px solid rgba(255, 70, 84, 0.18);
    color: var(--brand-primary-dark); font-weight: 600; font-size: 0.82rem;
    border-radius: 999px; padding: 0.45rem 1rem;
}

/* Pad grids (drum machine, soundboard) */
.pad-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 12px; }
.pad {
    aspect-ratio: 1; border-radius: 16px; border: 1px solid var(--brand-border);
    background: var(--brand-surface-soft); cursor: pointer; font-weight: 700;
    color: var(--brand-text-dark); font-size: 0.82rem;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
    transition: all .12s ease; user-select: none;
}
.pad:hover { border-color: var(--brand-primary); }
.pad.lit, .pad:active { background: var(--brand-primary); color: #fff; border-color: var(--brand-primary); box-shadow: 0 8px 20px -8px rgba(255,70,84,.6); transform: scale(0.97); }

/* Step sequencer */
.seq-row { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; }
.seq-label { width: 86px; font-weight: 700; font-size: 0.78rem; color: var(--brand-muted-strong); flex-shrink: 0; }
.seq-step {
    flex: 1; aspect-ratio: 1; max-width: 38px; border-radius: 8px;
    border: 1px solid var(--brand-border); background: #fff; cursor: pointer;
    transition: all .1s ease; padding: 0;
}
.seq-step:nth-child(4n+2) { border-color: #CBD5E1; }
.seq-step.on { background: var(--brand-primary); border-color: var(--brand-primary); box-shadow: 0 4px 10px -4px rgba(255,70,84,.6); }
.seq-step.playing { outline: 2px solid var(--brand-secondary); outline-offset: 1px; }

/* Tables (metadata editor etc.) */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.data-table th { text-align: left; color: var(--brand-muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: .06em; padding: 8px 10px; border-bottom: 1px solid var(--brand-border); }
.data-table td { padding: 10px; border-bottom: 1px solid #F1F5F9; }

/* Keyboard hint */
kbd {
    background: var(--brand-surface-soft); border: 1px solid var(--brand-border);
    border-bottom-width: 2px; border-radius: 6px; padding: 1px 7px;
    font-size: 0.8em; font-family: inherit; font-weight: 700;
}