:root {
    --card-bg: #fff;
    --brand-1: #e47b19;
    --brand-2: #4fa52b;
    --brand-3: #e33f3b;
    --bg-dark: #0a0e14;
    --text-on-dark: #ffffff;
}

html,
body {
    margin: 0;
    line-height: 1.5;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

body {
    font-family: sans-serif;
    background: white;
    color: black;
}

header {
    padding: 1em;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.75);
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    z-index: 1000;
}

header .content-wrapper {
    display: flex;
    align-items: center;
    justify-items: center;
}

header img {
    width: 48px;
    height: 48px;
}

header img+span {
    font-size: 1.1em;
}

.content-wrapper {
    max-width: 920px;
    margin: auto;
}

section {
    padding: 2em 0;
}

section h2 {
    text-align: center;
    font-weight: 100;
}

section.hero-section {
    position: relative;
    background: linear-gradient(135deg, var(--light-bg-start), var(--light-bg-end));
}

section.hero-section.dark {
    color: var(--text-on-dark);
    background: radial-gradient(circle at top left, #0e141b, var(--bg-dark) 70%), linear-gradient(135deg, #0a0e14, #141c24);
}

/* Extra colored spots */
section.hero-section::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(40vmax 40vmax at 15% 25%, rgba(228, 123, 25, 0.25), transparent 70%),
        radial-gradient(35vmax 35vmax at 75% 20%, rgba(79, 165, 43, 0.22), transparent 70%),
        radial-gradient(28vmax 28vmax at 60% 75%, rgba(227, 63, 59, 0.22), transparent 70%),
        radial-gradient(20vmax 20vmax at 85% 65%, rgba(228, 123, 25, 0.18), transparent 70%),
        radial-gradient(15vmax 15vmax at 40% 50%, rgba(79, 165, 43, 0.15), transparent 70%);
}

section.hero-section.dark::before {
    background:
        radial-gradient(40vmax 40vmax at 20% 30%, rgba(228, 123, 25, 0.25), transparent 70%),
        radial-gradient(30vmax 30vmax at 75% 25%, rgba(79, 165, 43, 0.25), transparent 70%),
        radial-gradient(25vmax 25vmax at 60% 75%, rgba(227, 63, 59, 0.25), transparent 70%),
        radial-gradient(20vmax 20vmax at 85% 65%, rgba(228, 123, 25, 0.15), transparent 70%);
}

/* Soft vignette for focus */
section.hero-section::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0) 60%, rgba(0, 0, 0, 0.06) 100%);
    pointer-events: none;
}

/* Optional subtle noise for depth */
section.hero-section.dark::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity: 0.04;
    pointer-events: none;
}

section.hero-section>.content-wrapper {
    display: flex;
    padding: 3em;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    min-width: 80vw;
}

section.hero-section .title-section {
    flex-basis: 40%;
}

section.hero-section .title-section h1 {
    line-height: 1.1;
    font-weight: 100;
}

section.hero-section .image,
section.hero-section .image img {
    width: 100%;
    height: auto;
    position: relative;
}

section:nth-of-type(2n+1) {
    background: linear-gradient(135deg, rgba(228, 123, 25, 0.08), rgba(79, 165, 43, 0.08));
}

.benefits-container {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1em;
}

.benefits-container .card {
    padding: 1em;
}

.note-types-container {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1em;
}

.collections-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1em;
}

.columns-2>div {
    flex: 50%;
    flex-shrink: 0;
    flex-grow: 0;
}

img {
    width: 100%;
    height: auto;
}

footer {
    margin: 0;
    padding: 1em 0;
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
}

.card {
    border: 0;
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.25);
    background-color: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
}

.card p {
    margin: 0;
    padding: 1em;
}

span.text-big {
    font-size: 1.25em;
}