/* Homepage — modern dark tech refresh for tubelovecc.com */
:root {
    --home-ink: #05080F;
    --home-panel: #0B1224;
    --home-blue: #38BDF8;
    --home-cyan: #22D3EE;
    --home-violet: #8B5CF6;
    --home-mint: #34D399;
}

body { overflow-x: hidden; }

header {
    background: color-mix(in srgb, var(--bg) 78%, transparent);
    border-bottom-color: color-mix(in srgb, var(--border) 70%, transparent);
}

.header-inner { height: 72px; }

.logo { gap: .75rem; letter-spacing: -.02em; }
.logo-icon {
    width: 42px; height: 42px; border-radius: 13px;
    background: linear-gradient(135deg, var(--home-blue), var(--home-cyan) 55%, var(--home-violet));
    box-shadow: 0 8px 24px rgba(56, 189, 248, .32);
    transform: rotate(-3deg);
}
.logo > span { display: flex; flex-direction: column; line-height: 1.05; }
.logo small {
    margin-top: .23rem; color: var(--text-muted); font-size: .57rem;
    font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
}

.nav-links { gap: .6rem; }
.nav-links a { padding: .55rem .75rem; font-weight: 600; }
.nav-links a:hover, .nav-links a.active {
    color: #7DD3FC; background: rgba(56, 189, 248, .1);
}
.theme-btn, .menu-btn { border-radius: 12px; }

.hero {
    position: relative; padding: clamp(4rem, 8vw, 7.5rem) 0 clamp(4rem, 7vw, 6.5rem);
    text-align: left; overflow: hidden; border-bottom: 0;
    background:
        linear-gradient(115deg, color-mix(in srgb, var(--home-panel) 88%, var(--bg)) 0%, var(--bg) 64%);
}
[data-theme="light"] .hero {
    background: linear-gradient(115deg, #EDF4FF 0%, var(--bg) 68%);
}

.hero::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(56, 189, 248, .09) 1px, transparent 1px),
        linear-gradient(90deg, rgba(56, 189, 248, .09) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(to right, #000, transparent 62%);
    -webkit-mask-image: linear-gradient(to right, #000, transparent 62%);
    opacity: .4;
}

.hero-orb { position: absolute; border-radius: 50%; filter: blur(60px); pointer-events: none; }
.hero-orb-one {
    width: 320px; height: 320px; right: -100px; top: -110px;
    background: radial-gradient(circle, rgba(34, 211, 238, .38), transparent 70%);
}
.hero-orb-two {
    width: 220px; height: 220px; left: 38%; bottom: -120px;
    background: radial-gradient(circle, rgba(139, 92, 246, .35), transparent 70%);
}

.hero-grid {
    position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(350px, .82fr);
    gap: clamp(3rem, 8vw, 7rem); align-items: center;
}

.eyebrow {
    display: flex; align-items: center; gap: .6rem; margin-bottom: 1.35rem;
    color: var(--text-secondary); font-size: .77rem; font-weight: 700;
    letter-spacing: .11em; text-transform: uppercase;
}
.eyebrow span { width: 28px; height: 2px; background: linear-gradient(90deg, var(--home-blue), var(--home-violet)); }

.hero h1 {
    max-width: 720px; margin: 0 0 1.45rem; color: var(--text);
    font-size: clamp(3.35rem, 7.1vw, 6.85rem); line-height: .91; letter-spacing: -.068em;
    font-weight: 700;
}
.hero h1 span {
    background: linear-gradient(100deg, var(--home-blue), var(--home-cyan) 55%, #A78BFA);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p {
    max-width: 630px; margin: 0 0 1.8rem; color: var(--text-secondary);
    font-size: clamp(1rem, 1.5vw, 1.15rem); line-height: 1.75;
}

.hero .search-box { max-width: 620px; margin: 0; }
.hero .search-box input {
    min-height: 62px; padding: 1rem 4.2rem 1rem 3.2rem; border: 1px solid var(--border-strong);
    border-radius: 18px; background: color-mix(in srgb, var(--surface) 82%, transparent);
    backdrop-filter: blur(10px); box-shadow: 0 14px 44px rgba(2, 8, 23, .45);
    font-family: inherit; font-weight: 500;
}
.hero .search-box input:focus { border-color: var(--home-cyan); box-shadow: 0 0 0 4px rgba(34, 211, 238, .14), 0 14px 44px rgba(2, 8, 23, .45); }
.hero .search-box i { left: 1.25rem; color: var(--home-cyan); }
.search-box kbd {
    position: absolute; right: 1.15rem; top: 50%; transform: translateY(-50%);
    min-width: 30px; height: 30px; display: grid; place-items: center;
    border: 1px solid var(--border-strong); border-bottom-width: 2px; border-radius: 8px;
    color: var(--text-muted); background: var(--surface-hover); font: 600 .8rem/1 inherit;
}

.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.15rem; margin-top: 1.35rem; }
.hero-primary {
    display: inline-flex; align-items: center; gap: .65rem; padding: .8rem 1.15rem;
    border-radius: 12px; color: #fff;
    background: linear-gradient(135deg, var(--home-blue), var(--home-cyan) 55%, var(--home-violet));
    font-size: .88rem; font-weight: 700;
    box-shadow: 0 10px 28px rgba(56, 189, 248, .35);
}
.hero-primary:hover { color: #fff; transform: translateY(-2px); filter: brightness(1.06); }
.hero-actions > span { color: var(--text-muted); font-size: .84rem; font-weight: 500; }
.hero-actions > span i { margin-right: .4rem; color: var(--home-mint); }

.hero-preview {
    position: relative; border: 1px solid var(--border-strong);
    border-radius: 25px;
    background: linear-gradient(160deg, color-mix(in srgb, var(--surface) 94%, transparent), color-mix(in srgb, var(--surface) 80%, transparent));
    backdrop-filter: blur(12px);
    box-shadow: 0 35px 90px rgba(2, 8, 23, .6), inset 0 0 0 1px rgba(255, 255, 255, .04);
    overflow: hidden;
    transform: rotate(1.2deg);
}
.hero-preview::after {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    border: 1px solid rgba(125, 211, 252, .18); border-radius: inherit;
}
.preview-topbar {
    display: flex; align-items: center; gap: 6px; height: 48px; padding: 0 1rem;
    border-bottom: 1px solid var(--border); background: var(--surface-hover);
}
.preview-topbar > span { width: 8px; height: 8px; border-radius: 50%; background: #38BDF8; }
.preview-topbar > span:nth-child(2) { background: #8B5CF6; }
.preview-topbar > span:nth-child(3) { background: #34D399; }
.preview-topbar em { margin-left: auto; color: var(--text-muted); font-size: .65rem; font-style: normal; letter-spacing: .08em; }
.preview-body { padding: 1.35rem; }
.preview-intro { display: flex; flex-direction: column; margin: .2rem 0 1rem; }
.preview-intro span { color: var(--home-cyan); font-size: .63rem; font-weight: 800; letter-spacing: .15em; }
.preview-intro strong { margin-top: .2rem; font-size: 1.1rem; letter-spacing: -.02em; }
.preview-tool {
    display: grid; grid-template-columns: 44px 1fr auto; align-items: center; gap: .85rem;
    margin-top: .65rem; padding: .8rem; border: 1px solid var(--border); border-radius: 14px;
    color: var(--text); background: var(--surface); transition: transform .2s ease, border-color .2s ease;
}
.preview-tool:hover { color: var(--text); border-color: var(--home-cyan); transform: translateX(4px); }
.preview-tool > i { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; color: #fff; background: linear-gradient(135deg, var(--home-blue), var(--home-cyan)); }
.preview-tool:nth-of-type(2) > i { background: linear-gradient(135deg, var(--home-violet), #7C3AED); }
.preview-tool:nth-of-type(3) > i { background: linear-gradient(135deg, #10B981, var(--home-mint)); }
.preview-tool span { display: flex; flex-direction: column; min-width: 0; }
.preview-tool strong { font-size: .87rem; }
.preview-tool small { color: var(--text-muted); font-size: .68rem; }
.preview-tool b { color: var(--text-muted); font-size: .9rem; }
.privacy-status { display: flex; align-items: center; gap: .7rem; margin-top: 1rem; padding: .72rem .8rem; color: #6EE7B7; background: rgba(52, 211, 153, .1); border: 1px solid rgba(52, 211, 153, .2); border-radius: 12px; }
.privacy-status > i { font-size: 1rem; }
.privacy-status span { display: flex; flex-direction: column; }
.privacy-status strong { font-size: .76rem; }
.privacy-status small { color: color-mix(in srgb, #6EE7B7 70%, var(--text-secondary)); font-size: .65rem; }

.proof-strip { border-block: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 65%, transparent); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid > div { display: flex; flex-direction: column; padding: 1.5rem clamp(1rem, 3vw, 2.2rem); border-right: 1px solid var(--border); }
.proof-grid > div:first-child { padding-left: 0; }
.proof-grid > div:last-child { border-right: 0; }
.proof-grid strong { color: var(--text); font-size: 1.4rem; letter-spacing: -.03em; }
.proof-grid span { color: var(--text-muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }

.category-nav { justify-content: flex-start; padding: 2.2rem 0 0; overflow-x: auto; flex-wrap: nowrap; scrollbar-width: none; }
.category-nav::-webkit-scrollbar { display: none; }
.cat-pill { flex: 0 0 auto; padding: .55rem 1rem; border-radius: 10px; font-weight: 650; }
.cat-pill:hover, .cat-pill.active {
    background: var(--home-ink); border-color: var(--home-ink);
    color: #7DD3FC;
}
[data-theme="light"] .cat-pill:hover, [data-theme="light"] .cat-pill.active { color: #fff; background: linear-gradient(135deg, var(--home-blue), var(--home-violet)); border-color: transparent; }

.tools-section { padding: 2rem 0 clamp(5rem, 8vw, 7rem); }
.section-header { align-items: flex-end; margin-bottom: 1.8rem; }
.section-kicker { display: block; margin-bottom: .45rem; color: var(--home-cyan); font-size: .68rem; font-weight: 800; letter-spacing: .16em; }
.section-header h2 { max-width: 640px; font-size: clamp(1.9rem, 3.2vw, 2.7rem); letter-spacing: -.045em; }
.section-header .count { padding: .35rem .7rem; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }

.tools-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.tool-card {
    min-height: 230px; padding: 1.35rem; border-radius: 18px; gap: .75rem;
    background: linear-gradient(180deg, var(--surface-2), var(--surface));
}
.tool-card::before { inset: 0 auto 0 0; width: 3px; height: auto; background: linear-gradient(180deg, var(--home-blue), var(--home-violet)); }
.tool-card:hover { transform: translateY(-6px); border-color: rgba(56, 189, 248, .5); box-shadow: 0 22px 45px rgba(2, 8, 23, .55), 0 0 32px rgba(56, 189, 248, .12); }
.tool-card .tool-icon {
    width: 46px; height: 46px; border-radius: 13px;
    color: #38BDF8; background: rgba(56, 189, 248, .12);
}
.tool-card:nth-child(2n) .tool-icon { color: #A78BFA; background: rgba(139, 92, 246, .14); }
.tool-card:nth-child(3n) .tool-icon { color: #22D3EE; background: rgba(34, 211, 238, .12); }
.tool-card:nth-child(4n) .tool-icon { color: #34D399; background: rgba(52, 211, 153, .12); }
[data-theme="light"] .tool-card .tool-icon { background: rgba(14, 165, 233, .1); }
[data-theme="light"] .tool-card:nth-child(2n) .tool-icon { background: rgba(139, 92, 246, .1); }
[data-theme="light"] .tool-card:nth-child(3n) .tool-icon { background: rgba(6, 182, 212, .1); }
[data-theme="light"] .tool-card:nth-child(4n) .tool-icon { background: rgba(5, 150, 105, .1); }
.tool-card .tool-name { color: var(--text); font-size: 1.04rem; letter-spacing: -.015em; }
.tool-card .tool-desc { font-size: .82rem; line-height: 1.62; }
.tool-card .tool-tag { color: var(--text-muted); background: transparent; padding: 0; }

.promise-section { padding: 0 0 clamp(5rem, 9vw, 8rem); }
.promise-card {
    display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 8vw, 6rem);
    padding: clamp(2.2rem, 6vw, 5rem); border-radius: 30px; color: #EAF2FF;
    background:
        radial-gradient(700px 400px at 85% 0%, rgba(139, 92, 246, .35), transparent 60%),
        radial-gradient(500px 300px at 0% 100%, rgba(34, 211, 238, .22), transparent 60%),
        var(--home-ink);
    box-shadow: inset 0 0 0 1px rgba(125, 211, 252, .12);
}
.promise-copy h2 { margin-bottom: 1rem; font-size: clamp(2.2rem, 4vw, 4rem); line-height: 1.02; letter-spacing: -.055em; }
.promise-copy p { max-width: 580px; color: #9FB0C8; font-size: .96rem; }
.promise-copy a { display: inline-flex; align-items: center; gap: .55rem; margin-top: 1.4rem; color: #7DD3FC; font-weight: 700; font-size: .86rem; }
.promise-list { display: flex; flex-direction: column; justify-content: center; }
.promise-list > div { display: grid; grid-template-columns: 48px 1fr; align-items: center; gap: 1rem; padding: 1.25rem 0; border-bottom: 1px solid rgba(148, 163, 184, .16); }
.promise-list > div:last-child { border-bottom: 0; }
.promise-list i { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; color: #05080F; background: linear-gradient(135deg, var(--home-blue), var(--home-cyan)); }
.promise-list span { display: flex; flex-direction: column; }
.promise-list strong { font-size: .95rem; }
.promise-list small { margin-top: .15rem; color: #8FA0B8; font-size: .75rem; }

footer { padding-top: 4rem; }
.footer-domain { display: inline-block; margin-top: .7rem; font-size: .8rem; font-weight: 700; }

@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr .78fr; gap: 2.5rem; }
    .hero h1 { font-size: clamp(3.3rem, 7vw, 5.5rem); }
    .tools-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 780px) {
    .hero { padding-top: 3.5rem; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-copy { text-align: center; }
    .eyebrow, .hero-actions { justify-content: center; }
    .hero p, .hero .search-box { margin-left: auto; margin-right: auto; }
    .hero-preview { width: min(100%, 520px); margin: 0 auto; transform: none; }
    .proof-grid { grid-template-columns: repeat(2, 1fr); }
    .proof-grid > div { border-bottom: 1px solid var(--border); }
    .proof-grid > div:nth-child(2) { border-right: 0; }
    .proof-grid > div:nth-child(3), .proof-grid > div:nth-child(4) { border-bottom: 0; }
    .proof-grid > div:first-child { padding-left: clamp(1rem, 3vw, 2.2rem); }
    .tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .promise-card { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
    .container { padding-inline: 18px; }
    .hero { padding: 3rem 0 3.5rem; }
    .hero h1 { font-size: clamp(3rem, 16vw, 4.25rem); }
    .hero p { font-size: .96rem; }
    .hero-actions { flex-direction: column; }
    .search-box kbd { display: none; }
    .hero .search-box input { padding-right: 1rem; }
    .preview-body { padding: 1rem; }
    .proof-grid span { font-size: .62rem; }
    .section-header { align-items: flex-start; gap: 1rem; }
    .tools-grid { grid-template-columns: 1fr; }
    .tool-card { min-height: 0; }
    .promise-card { border-radius: 22px; }
}

@media (prefers-reduced-motion: reduce) {
    .hero-preview, .tool-card, .preview-tool, .hero-primary { transform: none !important; transition: none !important; }
}