:root {
    --color-primary: #FF6800;
    --color-primary-dark: #D95500;
    --color-accent: #F6517F;
    --color-text: #322E21;
    --color-text-soft: #5E594F;
    --color-muted: #8C877F;
    --color-border: #CBC5C7;
    --color-bg: #FFF8F4;
    --color-white: #FFFFFF;
    --color-footer-bg: #0F1114;
    --color-footer-text: #F5F5F5;
    --color-footer-muted: #9EA4B3;
    --color-footer-border: rgba(255, 255, 255, 0.15);
    color-scheme: light;
}

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

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-white);
    line-height: 1.6;
    font-size: 16px;
}

html {
    background: var(--color-white);
}

img {
    max-width: 100%;
    display: block;
}

section {
    padding: 4rem 0;
}

.container {
    width: min(1200px, 90%);
    margin: 0 auto;
}

h1, h2, h3, h4 {
    font-family: 'PT Serif', 'Times New Roman', serif;
    line-height: 1.25;
}

p + p {
    margin-top: 0.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    border-radius: 999px;
    padding: 0.85rem 1.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn-primary {
    background: linear-gradient(120deg, var(--color-primary), var(--color-accent));
    color: var(--color-white);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
}

.btn-outline {
    border: 1px solid var(--color-text);
    color: var(--color-text);
    background: transparent;
}

.btn-outline:hover {
    background: var(--color-text);
    color: var(--color-white);
}

.btn-link {
    color: var(--color-primary);
    font-weight: 600;
}

.btn-full {
    width: 100%;
}

.eyebrow {
    font-size: 0.875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 0.75rem;
}

.section-heading {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 2.5rem auto;
}

.section-heading h2 {
    margin-bottom: 0.75rem;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
    z-index: 10;
}

.header-grid {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
}

.brand-mark {
    display: flex;
    align-items: center;
}

.brand-logo img {
    width: 64px;
    height: auto;
}

.brand-name {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.1em;
}

.brand-tagline {
    font-size: 0.85rem;
    color: var(--color-muted);
}

.main-nav {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.main-nav a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
}

.main-nav a:hover {
    color: var(--color-primary);
}

/* Hero */
.hero {
    padding-top: 6rem;
    background: var(--color-bg);
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.campaign-pill {
    display: inline-flex;
    padding: 0.35rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
}

.hero-copy h1 {
    font-size: clamp(2.25rem, 6vw, 3.5rem);
    margin-bottom: 1rem;
}

.hero-copy p {
    max-width: 36rem;
    color: var(--color-text-soft);
    margin-bottom: 1.5rem;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.hero-stats {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
}

.hero-stats li {
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    background: var(--color-white);
    font-size: 0.95rem;
}

.hero-stats span {
    display: block;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.35rem;
}

.hero-visual {
    display: grid;
    gap: 1.5rem;
}

.product-card {
    background: var(--color-white);
    border-radius: 24px;
    padding: 1.5rem;
    border: 1px solid var(--color-border);
    box-shadow: 0 20px 60px rgba(50, 46, 33, 0.08);
}

.card-label {
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--color-muted);
}

.product-image {
    margin: 1rem 0;
    border-radius: 18px;
    overflow: hidden;
}

.product-points {
    list-style: disc;
    margin-left: 1.2rem;
    color: var(--color-text-soft);
    margin-bottom: 1rem;
}

.product-link {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
}

.calendar-card {
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 1.75rem;
    background: var(--color-white);
    color: var(--color-text-soft);
    box-shadow: 0 16px 40px rgba(50, 46, 33, 0.06);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 1.25rem;
}

.calendar-header h3 {
    margin-bottom: 0.15rem;
}

.calendar-header p {
    color: var(--color-muted);
    font-size: 0.95rem;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.calendar-day {
    border-radius: 16px;
    border: 1px solid var(--color-border);
    padding: 0.75rem 0.35rem;
    text-align: center;
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.calendar-day .day-number {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-text);
}

.calendar-day .day-label {
    font-size: 0.75rem;
    line-height: 1.2;
}

.calendar-day.muted {
    background: rgba(203, 197, 199, 0.2);
    border-color: rgba(203, 197, 199, 0.6);
    color: var(--color-muted);
}

.calendar-day.muted .day-number {
    color: var(--color-muted);
}

.calendar-day.range {
    border-color: rgba(255, 104, 0, 0.3);
    background: rgba(255, 104, 0, 0.08);
}

.calendar-day.range .day-number {
    color: var(--color-primary);
}

.calendar-day.range.start,
.calendar-day.range.end {
    border-width: 2px;
}

.calendar-day.highlight {
    border-color: var(--color-accent);
    background: rgba(246, 81, 127, 0.08);
}

.calendar-day.highlight .day-number {
    color: var(--color-accent);
}

/* Highlights */
.highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.highlight-card {
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 1.5rem;
    background: var(--color-white);
}

.highlight-card h3 {
    margin-bottom: 0.75rem;
}

/* Participation */
.participation {
    background: var(--color-white);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.step-card {
    border-radius: 18px;
    border: 1px solid var(--color-border);
    padding: 1.5rem;
    background: var(--color-bg);
    min-height: 280px;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    display: grid;
    place-items: center;
    font-weight: 700;
}

.step-tip {
    font-size: 0.85rem;
    color: var(--color-muted);
}

/* Prize */
.prize-showcase {
    background: var(--color-bg);
}

.prize-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.prize {
    border-radius: 20px;
    padding: 1.75rem;
    border: 1px solid var(--color-border);
    background: var(--color-white);
}

.primary-prize {
    border: 2px solid var(--color-primary);
}

.prize-tag {
    text-transform: uppercase;
    font-size: 0.8rem;
    color: var(--color-muted);
}

.prize-card h3 {
    margin-top: 0.4rem;
    margin-bottom: 0.75rem;
}

.prize ul {
    list-style: disc;
    margin-left: 1.2rem;
    margin: 1rem 0;
}

.prize-card p {
    color: var(--color-text-soft);
    font-size: 0.95rem;
}

.prize-alert {
    font-size: 0.9rem;
    color: var(--color-primary-dark);
    font-weight: 600;
    background: rgba(255, 104, 0, 0.08);
    border-radius: 12px;
    padding: 0.65rem 0.85rem;
}

.prize-note {
    text-align: center;
    margin-top: 2rem;
    color: var(--color-muted);
}

/* Social proof */
.social-proof {
    background: var(--color-text);
    color: var(--color-white);
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    align-items: center;
}

.author {
    margin-top: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.metrics div {
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.metrics span {
    display: block;
    font-size: 2rem;
    font-weight: 700;
}

/* Form */
.form-section {
    background: var(--color-white);
}

.form-shell {
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 2.5rem;
    background: var(--color-bg);
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.giveaway-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-control {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form-control span {
    font-weight: 600;
    color: var(--color-text);
}

.form-control input {
    padding: 0.9rem 1rem;
    border-radius: 12px;
    border: 2px solid var(--color-border);
    font-size: 1rem;
    font-family: inherit;
}

.form-control input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-checkbox {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
    padding-top: 0.25rem;
    margin-top: 1rem;
    margin-bottom: 1.75rem;
}

.form-checkbox input {
    margin-top: 0.4rem;
}

.privacy-note {
    font-size: 0.85rem;
    color: var(--color-muted);
}

.form-message {
    border-radius: 16px;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
}

.form-message[hidden] {
    display: none;
}

.form-message.success {
    background: #DFF5E4;
}

.form-message.error {
    background: #FFE2E2;
}

/* Newsletter benefits */
.newsletter-benefits {
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.benefit-grid article {
    padding: 1.5rem;
    border-radius: 18px;
    border: 1px solid var(--color-border);
}

.benefit-card h3 {
    margin-bottom: 0.75rem;
}

/* Terms */
.terms {
    background: var(--color-bg);
}

.terms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.terms ul {
    list-style: disc;
    margin-left: 1.5rem;
    color: var(--color-text-soft);
}

.link-underline {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--color-primary);
    padding-bottom: 0.15rem;
}

.terms-link {
    text-align: center;
    margin-top: 2rem;
}

/* Footer */
.site-footer {
    background: var(--color-footer-bg);
    color: var(--color-footer-text);
    padding-top: 3rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.site-footer h4 {
    font-size: 1rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-footer-muted);
    margin-bottom: 1rem;
}

.site-footer p,
.site-footer li {
    color: var(--color-footer-text);
    opacity: 0.85;
}

.footer-grid ul {
    list-style: none;
    padding-left: 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.site-footer a {
    color: var(--color-footer-text);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.site-footer a:hover {
    opacity: 0.7;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    width: 120px;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-links a {
    border: 1px solid var(--color-footer-border);
    border-radius: 999px;
    padding: 0.35rem 0.9rem;
    font-weight: 600;
}

.footer-bottom {
    margin-top: 2rem;
    text-align: center;
    padding: 1rem 0 2rem 0;
    border-top: 1px solid var(--color-footer-border);
    color: var(--color-footer-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .main-nav {
        display: none;
    }

    section {
        padding: 3rem 0;
    }

    .form-shell {
        padding: 1.5rem;
    }
}