/* ============================================================
   home.css — Welcome / landing page styles
   ============================================================ */

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: opacity 0.3s ease;
}

/* ── Container ── */
.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 24px;
    animation: fadeUp 1.1s ease both;
}

/* ── Logo — intentionally large, the hero ── */
.logo img {
    max-width: 520px;
    width: 72vw;
    height: auto;
    margin-bottom: 36px;
    mix-blend-mode: screen;
}

/* ── Headline ── */
h1 {
    color: var(--color-blue-mid);
    font-weight: 300;
    font-size: clamp(0.95em, 2.2vw, 1.5em);
    letter-spacing: 0.06em;
}

.tagline {
    color: var(--color-blue-light);
    font-size: clamp(0.82em, 1.5vw, 1em);
    margin-top: 8px;
    font-weight: 300;
    letter-spacing: 0.02em;
}

/* ── Explore button area ── */
.explore-wrap {
    margin-top: 52px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Concentric ripple rings — slow, calm */
.ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--color-blue);
    opacity: 0;
    animation: ring-expand 4.5s ease-out infinite;
}
.ring:nth-child(1) { width: 110px; height: 110px; animation-delay: 0s; }
.ring:nth-child(2) { width: 110px; height: 110px; animation-delay: 1.5s; }
.ring:nth-child(3) { width: 110px; height: 110px; animation-delay: 3s; }

@keyframes ring-expand {
    0%   { transform: scale(0.9); opacity: 0.35; }
    100% { transform: scale(3.2); opacity: 0; }
}

/* Explore button */
.btn-explore {
    position: relative;
    z-index: 1;
    padding: 14px 42px;
    font-family: var(--font-main);
    font-size: 0.8em;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    font-weight: 500;
    color: white;
    background: var(--color-blue);
    border: none;
    border-radius: var(--radius-btn);
    cursor: pointer;
    /* Slow, calm pulse — just a breath */
    animation: btn-breathe 5s ease-in-out infinite;
    transition: background 0.3s, transform 0.22s;
}

.btn-explore:hover {
    background: var(--color-blue-dark);
    animation-play-state: paused;
    transform: scale(1.05);
}

@keyframes btn-breathe {
    0%, 100% { box-shadow: 0 0 0 0 rgba(106, 155, 199, 0.45); }
    50%       { box-shadow: 0 0 0 10px rgba(106, 155, 199, 0); }
}

/* ── Footer ── */
.footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 20px 24px;
    text-align: center;
    font-size: 0.74em;
    color: var(--color-blue-light);
}
.footer .trademark { font-weight: 600; }
.footer .developed  { font-style: italic; margin-top: 3px; }

/* ── Animations ── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}
