/* DeepDive Pool — colors match the iOS app's Theme.swift / Assets.xcassets */
:root {
    --ddp-navy-deep: #071121;
    --ddp-navy: #0A192E;
    --ddp-teal: #0D3B55;
    --ddp-card: #142A44;
    --ddp-cyan: #35D0E0;
    --ddp-aqua: #7FE3EC;
    --ddp-text: #E6EEF6;
    --ddp-muted: #9FB3C8;
    --ddp-radius: 16px;
}

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
    background: linear-gradient(180deg, var(--ddp-navy-deep) 0%, var(--ddp-navy) 45%, var(--ddp-teal) 100%);
    background-color: var(--ddp-navy);
    color: var(--ddp-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
main { flex: 1; }

a { color: var(--ddp-cyan); }
a:hover { color: var(--ddp-aqua); }
.text-muted, .ddp-muted { color: var(--ddp-muted) !important; }

/* Nav */
.ddp-nav { background: rgba(7, 17, 33, 0.85); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(127, 227, 236, 0.08); }
.wordmark { font-weight: 700; color: #fff; letter-spacing: -0.01em; }
.wordmark .accent, .accent { color: var(--ddp-cyan); }
.ddp-nav .nav-link { color: var(--ddp-muted); }
.ddp-nav .nav-link:hover, .ddp-nav .nav-link.active { color: #fff; }

/* Hero */
.hero { padding: 5rem 0 3rem; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.05; }
.hero .lead { color: var(--ddp-muted); font-size: 1.2rem; max-width: 34rem; }
.hero-icon { width: 96px; height: 96px; border-radius: 22px; box-shadow: 0 10px 30px rgba(0,0,0,.4); }
.btn-ddp {
    background: linear-gradient(135deg, var(--ddp-aqua), var(--ddp-cyan));
    color: var(--ddp-navy-deep); font-weight: 700; border: 0; border-radius: 12px; padding: .75rem 1.4rem;
}
.btn-ddp:hover { color: var(--ddp-navy-deep); filter: brightness(1.08); }
.btn-ddp-outline { border: 1px solid rgba(127, 227, 236, .4); color: var(--ddp-aqua); border-radius: 12px; padding: .75rem 1.4rem; }
.btn-ddp-outline:hover { background: rgba(53, 208, 224, .1); color: #fff; }
.badge-soon { display: inline-flex; align-items: center; gap: .5rem; background: #000; color: #fff; border: 1px solid #555; border-radius: 10px; padding: .55rem 1rem; font-weight: 600; }

/* Phone screenshots */
.phone { border-radius: 9% / 4.2%; box-shadow: 0 20px 50px rgba(0,0,0,.5); width: 100%; height: auto; display: block; }
.phone-stack { display: flex; justify-content: center; align-items: center; gap: 4%; }
.phone-stack .phone { flex: 0 1 34%; min-width: 0; }
.phone-stack .phone:nth-child(odd) { flex-basis: 29%; }
@media (max-width: 575px) {
    .phone-stack .phone:nth-child(odd) { display: none; }
    .phone-stack .phone { flex-basis: 70%; max-width: 280px; }
}

/* Cards */
.ddp-card { background: var(--ddp-card); border: 1px solid rgba(127, 227, 236, .08); border-radius: var(--ddp-radius); padding: 1.6rem; height: 100%; }
.ddp-card .icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: rgba(53, 208, 224, .14); color: var(--ddp-cyan); font-size: 1.2rem; margin-bottom: 1rem; }
.ddp-card h3 { font-size: 1.1rem; font-weight: 700; color: #fff; }
.ddp-card p { color: var(--ddp-muted); margin-bottom: 0; }

section.block { padding: 4rem 0; }
section.block h2 { font-weight: 800; letter-spacing: -0.02em; color: #fff; }

/* Long-form pages (privacy, terms, support) */
.doc { max-width: 52rem; margin: 0 auto; padding: 3.5rem 0; }
.doc h1 { font-weight: 800; color: #fff; }
.doc h2 { font-size: 1.35rem; font-weight: 700; color: #fff; margin-top: 2.5rem; }
.doc h3 { font-size: 1.05rem; font-weight: 700; color: var(--ddp-aqua); margin-top: 1.5rem; }
.doc p, .doc li { color: #C9D6E3; line-height: 1.65; }
.doc table { color: #C9D6E3; }
.doc .table { --bs-table-bg: transparent; --bs-table-color: #C9D6E3; --bs-table-border-color: rgba(127,227,236,.15); }

/* Footer */
.ddp-footer { background: var(--ddp-navy-deep); border-top: 1px solid rgba(127, 227, 236, .08); padding: 2rem 0; color: var(--ddp-muted); font-size: .95rem; }
.ddp-footer a { color: var(--ddp-muted); text-decoration: none; }
.ddp-footer a:hover { color: #fff; }
.ddp-footer .disclaimer { opacity: .7; }

/* Request form */
.ddp-form .form-label { color: #fff; font-weight: 600; }
.ddp-form .form-control {
    background: rgba(7, 17, 33, .6); border: 1px solid rgba(127, 227, 236, .18); color: var(--ddp-text); border-radius: 10px;
}
.ddp-form .form-control:focus { background: rgba(7, 17, 33, .8); border-color: var(--ddp-cyan); box-shadow: 0 0 0 .2rem rgba(53, 208, 224, .2); color: #fff; }
.ddp-form .form-control::placeholder { color: #6E8399; }
.ddp-form .invalid-feedback { color: #FF8A8A; }
.ddp-form .form-control.is-invalid { border-color: #FF8A8A; }
.ddp-hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.ddp-type-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .6rem; }
@media (min-width: 768px) { .ddp-type-grid { grid-template-columns: repeat(4, 1fr); } }
.ddp-type input { position: absolute; opacity: 0; pointer-events: none; }
.ddp-type span {
    display: flex; flex-direction: column; align-items: center; gap: .4rem; text-align: center; height: 100%;
    padding: .85rem .5rem; border-radius: 12px; border: 1px solid rgba(127, 227, 236, .18);
    color: var(--ddp-muted); cursor: pointer; font-size: .9rem; transition: all .15s;
}
.ddp-type span i { font-size: 1.2rem; }
.ddp-type input:checked + span { border-color: var(--ddp-cyan); background: rgba(53, 208, 224, .12); color: #fff; }
.ddp-type input:checked + span i { color: var(--ddp-cyan); }
.ddp-type input:focus-visible + span { outline: 2px solid var(--ddp-cyan); outline-offset: 2px; }

/* Toast */
.ddp-toast {
    position: fixed; left: 50%; bottom: 1.5rem; transform: translate(-50%, 150%); z-index: 3000;
    max-width: calc(100% - 32px); padding: .85rem 1.2rem; border-radius: 12px;
    background: var(--ddp-card); color: #fff; border: 1px solid rgba(127, 227, 236, .3);
    box-shadow: 0 10px 30px rgba(0,0,0,.4); transition: transform .25s ease, opacity .25s ease, visibility .25s;
    opacity: 0; visibility: hidden;
}
.ddp-toast.show { transform: translate(-50%, 0); opacity: 1; visibility: visible; }
.ddp-toast.error { border-color: #FF8A8A; }