/* ═══════════════════════════════════════════════════
   SUB-PAGES — Apple Style
   Shared styles for sales, webapp, info, ai, portfolio
   ═══════════════════════════════════════════════════ */

/* ── Reveal Animations ── */
[data-r] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .7s cubic-bezier(.4, 0, .2, 1), transform .7s cubic-bezier(.4, 0, .2, 1);
}
[data-r="scale"] {
    transform: scale(.96) translateY(20px);
}
[data-r].vis {
    opacity: 1;
    transform: none;
}

/* ═══ HERO — Big Visual ═══ */
.sub-hero {
    padding: 140px 0 60px;
    text-align: center;
}
.sub-hero h1 {
    font-size: clamp(2.4rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text) 30%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.sub-hero-sub {
    font-size: 1.05rem;
    color: var(--text-2);
    margin-bottom: 28px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}
.sub-hero-img {
    max-width: 680px;
    margin: 0 auto;
}
.sub-hero-img img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 12px 60px rgba(45, 106, 223, .12);
}

/* ═══ TIERS — 3 Package Cards ═══ */
.sub-tiers {
    padding: 80px 0;
}
.sub-tiers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    align-items: start;
}
.sub-tier-card {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, .85);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, .6);
    border-radius: 24px;
    overflow: hidden;
    transition: transform .4s cubic-bezier(.4, 0, .2, 1), box-shadow .4s ease;
    position: relative;
}
.sub-tier-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 52px rgba(45, 106, 223, .1);
}

/* Featured card */
.sub-tier-featured {
    border-color: rgba(45, 106, 223, .2);
    box-shadow: 0 0 0 1px rgba(45, 106, 223, .08), 0 8px 32px rgba(45, 106, 223, .08);
}

/* Badge */
.sub-tier-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    font-size: .72rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    z-index: 2;
    letter-spacing: .02em;
}
.sub-tier-badge-default {
    background: rgba(0, 0, 0, .06);
    color: var(--text-2);
}
.sub-tier-badge-popular {
    background: #FF6B35;
    color: #fff;
}

/* Image placeholder */
.sub-tier-img {
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f4ff 0%, #e8ecf4 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.sub-tier-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.sub-tier-card:hover .sub-tier-img img {
    transform: scale(1.04);
}
/* Placeholder text when no image */
.sub-tier-img-placeholder {
    color: var(--text-2);
    font-size: .85rem;
    opacity: .5;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

/* Card body */
.sub-tier-body {
    padding: 24px 28px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.sub-tier-body h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}
.sub-tier-body > p {
    color: var(--text-2);
    font-size: .88rem;
    line-height: 1.6;
    margin-bottom: 16px;
}
.sub-tier-price {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--mono);
    color: var(--primary);
    margin-bottom: 16px;
}

/* Feature list */
.sub-tier-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
    flex: 1;
}
.sub-tier-features li {
    font-size: .85rem;
    color: var(--text);
    padding: 5px 0;
    display: flex;
    align-items: flex-start;
    gap: 6px;
}
.sub-tier-features li svg,
.sub-tier-features li i {
    flex-shrink: 0;
    margin-top: 2px;
}

/* Buttons row */
.sub-tier-btns {
    display: flex;
    gap: 10px;
    margin-top: auto;
}
.sub-tier-cta {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .9rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    padding: 12px 20px;
    border-radius: 10px;
    transition: all .3s;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(45, 106, 223, .2);
}
.sub-tier-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(45, 106, 223, .3);
    color: #fff;
}
.sub-tier-demo {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .85rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-l);
    padding: 12px 16px;
    border-radius: 10px;
    transition: all .25s;
    text-decoration: none;
}
.sub-tier-demo:hover {
    background: rgba(45, 106, 223, .15);
    color: var(--primary);
}

/* ═══ AI-specific sections ═══ */
.sub-info-section {
    padding: 60px 0;
}
.sub-info-section.alt {
    background: var(--bg-alt);
}
.sub-info-header {
    text-align: center;
    margin-bottom: 32px;
}
.sub-info-header h2 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}
.sub-info-header p {
    color: var(--text-2);
    font-size: .92rem;
    margin-top: 8px;
}
.sub-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}
.sub-info-card {
    background: rgba(255, 255, 255, .8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, .6);
    border-radius: 18px;
    padding: 24px;
    text-align: center;
    transition: transform .3s ease, box-shadow .3s ease;
}
.sub-info-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, .06);
}
.sub-info-card strong {
    display: block;
    font-size: .95rem;
    margin: 10px 0 6px;
}
.sub-info-card p {
    font-size: .82rem;
    color: var(--text-2);
    line-height: 1.5;
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 900px) {
    .sub-hero { padding: 120px 0 40px; }
    .sub-tiers-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }
}
@media (max-width: 600px) {
    .sub-hero { padding: 110px 0 30px; }
    .sub-hero h1 { font-size: 2rem; }
    .sub-hero-img { margin: 0 -16px; }
    .sub-hero-img img { border-radius: 12px; }
    .sub-tier-img { height: 160px; }
    .sub-info-grid { grid-template-columns: 1fr; }
}