:root {
    --rust: #c0392b;
    --rust-dark: #8b1a10;
    --rust-deep: #5c1008;
    --terracotta: #d4603a;
    --brown: #4a1c0e;
    --brown-mid: #6b2d1a;
    --cream: #fdf6ef;
    --cream-warm: #f5e8d8;
    --parchment: #ede0cc;
    --text: #2c1008;
    --text-muted: #7a4030;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--cream);
    color: var(--text);
    font-family: "Lora", Georgia, serif;
    overflow-x: hidden;
}

/* ── Noise texture overlay ── */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 999;
    opacity: 0.4;
}

/* ── Navbar ── */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 3rem;
    background: rgba(253, 246, 239, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--parchment);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: "Playfair Display", serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--brown);
    text-decoration: none;
}

.nav-logo img {
    height: 36px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    font-family: "DM Mono", monospace;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}
.nav-links a:hover {
    color: var(--rust);
}

/* ── Hero ── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 3rem 4rem;
    position: relative;
    overflow: hidden;
}

/* Big decorative background glyph */
.hero::after {
    content: "Sq";
    position: absolute;
    right: -2rem;
    top: 50%;
    transform: translateY(-50%);
    font-family: "Playfair Display", serif;
    font-size: clamp(18rem, 30vw, 38rem);
    font-weight: 900;
    font-style: italic;
    color: var(--parchment);
    line-height: 1;
    pointer-events: none;
    user-select: none;
    z-index: 0;
}

.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 680px;
}

.hero-eyebrow {
    font-family: "DM Mono", monospace;
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--rust);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.hero-eyebrow::before {
    content: "";
    display: inline-block;
    width: 2.5rem;
    height: 1px;
    background: var(--rust);
}

h1 {
    font-family: "Playfair Display", serif;
    font-size: clamp(3rem, 6vw, 5.5rem);
    font-weight: 900;
    line-height: 1.05;
    color: var(--brown);
    margin-bottom: 1.5rem;
}

h1 em {
    color: var(--rust);
    font-style: italic;
}

.hero-sub {
    font-size: 1.15rem;
    line-height: 1.75;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 520px;
}

/* ── Download buttons ── */
.download-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1.7rem;
    border-radius: 4px;
    font-family: "DM Mono", monospace;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-decoration: none;
    transition:
        transform 0.18s,
        box-shadow 0.18s,
        background 0.18s;
    cursor: pointer;
}

.btn-primary {
    background: var(--rust);
    color: #fff;
    box-shadow: 0 4px 18px rgba(192, 57, 43, 0.35);
}
.btn-primary:hover {
    background: var(--rust-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(192, 57, 43, 0.45);
}

.btn-secondary {
    background: transparent;
    color: var(--brown);
    border: 1.5px solid var(--brown-mid);
    box-shadow: none;
}
.btn-secondary:hover {
    background: var(--cream-warm);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(74, 28, 14, 0.12);
}

.btn-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.btn-text-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.1rem;
}

.btn-label-small {
    font-size: 0.65rem;
    opacity: 0.7;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.btn-label-main {
    font-size: 0.9rem;
    font-weight: 500;
}

.hero-meta {
    font-family: "DM Mono", monospace;
    font-size: 0.72rem;
    color: var(--text-muted);
    opacity: 0.7;
}

/* ── Divider ── */
.ornament {
    text-align: center;
    color: var(--parchment);
    font-size: 1.4rem;
    letter-spacing: 0.6em;
    margin: 1rem 0;
}

/* ── Features ── */
.demo {
    padding: 6rem 3rem;
    background: var(--cream);
    border-top: 1px solid var(--parchment);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
}

.demo .section-title {
    margin-bottom: 0;
}

.demo-video {
    position: relative;
    width: 100%;
    max-width: 760px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow:
        0 20px 60px rgba(74, 28, 14, 0.18),
        0 4px 16px rgba(74, 28, 14, 0.1);
    border: 1px solid var(--parchment);
    background: var(--brown);
    /* Fake a little title bar for polish */
    padding-top: 2rem;
}

.demo-video::before {
    content: "● ● ●";
    position: absolute;
    top: 0.55rem;
    left: 1rem;
    font-size: 0.55rem;
    letter-spacing: 0.35em;
    color: rgba(255, 255, 255, 0.25);
    pointer-events: none;
}

.demo-video iframe {
    display: block;
    width: 100%;
    height: 440px;
    border: none;
}

@media (max-width: 640px) {
    .demo {
        padding: 4rem 1.5rem;
    }
    .demo-video iframe {
        height: 240px;
    }
}

.section-label {
    font-family: "DM Mono", monospace;
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--rust);
    text-align: center;
    margin-bottom: 0.75rem;
}

.section-title {
    font-family: "Playfair Display", serif;
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    color: var(--brown);
    text-align: center;
    margin-bottom: 3.5rem;
}

/* ── Install section ── */
.install {
    padding: 6rem 3rem;
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.install .section-title {
    margin-bottom: 1rem;
}

.install-sub {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.code-block {
    background: var(--brown);
    color: var(--cream-warm);
    border-radius: 6px;
    padding: 1.4rem 1.8rem;
    font-family: "DM Mono", monospace;
    font-size: 0.85rem;
    line-height: 1.7;
    text-align: left;
    margin-bottom: 1rem;
    position: relative;
    overflow-x: auto;
}

.code-block .comment {
    color: var(--terracotta);
    opacity: 0.7;
}
.code-block .cmd {
    color: #f0c8a0;
}

/* ── Footer ── */
footer {
    background: var(--brown);
    color: var(--cream-warm);
    padding: 3rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.footer-logo {
    font-family: "Playfair Display", serif;
    font-size: 1.5rem;
    font-weight: 900;
    font-style: italic;
    color: var(--cream);
}

.footer-links {
    display: flex;
    gap: 1.8rem;
    list-style: none;
}

.footer-links a {
    font-family: "DM Mono", monospace;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--parchment);
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.2s;
}
.footer-links a:hover {
    opacity: 1;
}

.footer-copy {
    font-family: "DM Mono", monospace;
    font-size: 0.7rem;
    opacity: 0.4;
    width: 100%;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    margin-top: 0.5rem;
}

/* ── Animations ── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(28px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-eyebrow {
    animation: fadeUp 0.6s ease both;
}
h1 {
    animation: fadeUp 0.6s 0.12s ease both;
}
.hero-sub {
    animation: fadeUp 0.6s 0.24s ease both;
}
.download-group {
    animation: fadeUp 0.6s 0.36s ease both;
}
.hero-meta {
    animation: fadeUp 0.6s 0.48s ease both;
}

/* ── Responsive ── */
@media (max-width: 640px) {
    nav {
        padding: 1rem 1.5rem;
    }
    .nav-links {
        display: none;
    }
    .hero {
        padding: 7rem 1.5rem 3rem;
    }
    .hero::after {
        font-size: 12rem;
        right: -1rem;
        opacity: 0.5;
    }
    .features {
        padding: 4rem 1.5rem;
    }
    .install {
        padding: 4rem 1.5rem;
    }
    footer {
        padding: 2rem 1.5rem;
        flex-direction: column;
        align-items: flex-start;
    }
}