/* sora.market — Chrome Temple Styles */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --void: #0a0a0f;
    --deep: #0d0d1a;
    --mid: #1a1a2e;
    --surface: #2a2a3a;
    --chrome-dark: #3a3a50;
    --chrome-mid: #707080;
    --chrome-light: #a0a0b8;
    --chrome-bright: #b0b0c0;
    --silver: #c8c8d8;
    --pearl: #d8d8e8;
    --rose-chrome: #c8a0b0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--void);
    color: var(--silver);
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 400;
    overflow-x: hidden;
}

/* Grain Overlay */
#grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
    pointer-events: none;
    opacity: 0.035;
}

#grain-overlay::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='0.9' numOctaves='4' type='fractalNoise'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    width: 100%;
    height: 100%;
}

/* Strata */
.stratum {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.stratum-content {
    text-align: center;
    padding: 4rem 2rem;
    max-width: 900px;
    width: 100%;
}

/* Stratosphere */
#stratosphere {
    background: radial-gradient(ellipse at 50% 50%, var(--mid) 0%, var(--deep) 40%, var(--void) 100%);
}

#site-title {
    font-family: 'Quicksand', sans-serif;
    font-weight: 300;
    font-size: clamp(2.4rem, 6vw, 5.5rem);
    letter-spacing: 0.12em;
    line-height: 1.1;
    color: var(--pearl);
    margin-bottom: 1.5rem;
}

.tagline {
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 400;
    font-size: clamp(0.85rem, 1.5vw, 1.1rem);
    letter-spacing: 0.08em;
    color: var(--chrome-mid);
    text-transform: lowercase;
}

/* Mesosphere */
#mesosphere {
    background: linear-gradient(180deg, var(--void) 0%, var(--deep) 50%, var(--void) 100%);
}

.section-heading {
    font-family: 'Quicksand', sans-serif;
    font-weight: 300;
    font-size: clamp(1.6rem, 3.5vw, 3rem);
    letter-spacing: 0.08em;
    color: var(--silver);
    margin-bottom: 3rem;
}

.chrome-line {
    position: absolute;
    width: 1px;
    height: 40%;
    background: linear-gradient(180deg, transparent, var(--chrome-dark), transparent);
}

.chrome-line-left {
    left: 15%;
    top: 30%;
}

.chrome-line-right {
    right: 15%;
    top: 30%;
}

/* Cards */
.floating-cards {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.card {
    width: 200px;
    padding: 2.5rem 1.5rem;
    border: 1px solid var(--chrome-dark);
    position: relative;
    transition: border-color 0.6s ease, transform 0.6s ease;
}

.card:hover {
    border-color: var(--chrome-mid);
    transform: translateY(-4px);
}

.card-line {
    width: 30px;
    height: 1px;
    background: var(--chrome-mid);
    margin: 0 auto 1.2rem;
}

.card-label {
    display: block;
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    color: var(--chrome-bright);
    text-transform: lowercase;
}

.card-number {
    display: block;
    margin-top: 1rem;
    font-family: 'Quicksand', sans-serif;
    font-weight: 300;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--chrome-dark);
}

/* Troposphere */
#troposphere {
    background: radial-gradient(ellipse at 50% 80%, var(--mid) 0%, var(--void) 70%);
}

.grid-display {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.grid-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem 1rem;
    transition: opacity 0.5s ease;
}

.grid-cell:hover {
    opacity: 0.7;
}

.cell-icon {
    width: 60px;
    height: 60px;
}

.cell-text {
    font-family: 'Nunito Sans', sans-serif;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--chrome-mid);
    text-transform: lowercase;
}

/* Boundary */
#boundary {
    background: linear-gradient(180deg, var(--void) 0%, var(--deep) 100%);
}

.cta-block {
    display: inline-block;
    padding: 1.2rem 3rem;
    border: 1px solid var(--chrome-dark);
    cursor: pointer;
    transition: border-color 0.5s ease, box-shadow 0.5s ease;
    margin-bottom: 2rem;
}

.cta-block:hover {
    border-color: var(--rose-chrome);
    box-shadow: 0 0 30px rgba(200, 160, 176, 0.08);
}

.cta-text {
    font-family: 'Quicksand', sans-serif;
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 0.15em;
    color: var(--silver);
    text-transform: lowercase;
}

.cta-line {
    width: 40px;
    height: 1px;
    background: var(--rose-chrome);
    margin: 0.8rem auto 0;
    transition: width 0.5s ease;
}

.cta-block:hover .cta-line {
    width: 80px;
}

.boundary-note {
    font-family: 'Nunito Sans', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    color: var(--chrome-dark);
    text-transform: lowercase;
}

/* Ground */
#ground {
    background: var(--void);
    min-height: 60vh;
}

.ground-mark {
    font-size: 4rem;
    color: var(--chrome-dark);
    margin-bottom: 2rem;
    opacity: 0.4;
}

.ground-text {
    font-family: 'Quicksand', sans-serif;
    font-weight: 300;
    font-size: 1rem;
    letter-spacing: 0.1em;
    color: var(--chrome-mid);
}

/* Typewriter cursor */
.typewriter-cursor::after {
    content: '|';
    animation: blink 1s step-end infinite;
    color: var(--rose-chrome);
    margin-left: 2px;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Fade-in for scroll reveals */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 600px) {
    .floating-cards {
        flex-direction: column;
        align-items: center;
    }
    .grid-display {
        grid-template-columns: 1fr;
    }
}