:root {
    --global-header-height: 65px;
    --color-1: #d2eeb8;
    --color-2: #BBECFF;
    --color-3: #FFBA00;
    --color-4: #E2C6FF;
    --color-5: #F1EE83;
    --color-6: #F7F3EF;
    --color-dark-grey: #151515;
    --color-grey: #797979;
    --color-light-grey: #F7F7F7;
    --color-black: #000;
    --color-white: #fff;

    --text-4xl: 68px;
    --text-3xl: 54px;
    --text-2xl: 34px;
    --text-xl: 28px;
    --text-lg: 24px;
    --text-md: 20px;
    --text-base: 18px;
    --text-sm: 14px;
    --text-xs: 12px;

    --leading-normal: 1.4em;
    --leading-relaxed: 1.6em;
    --leading-tight: 1.1em;

    --space-1: 4px;
    --space-2: 12px;
    --space-3: 26px;
    --space-4: 40px;
    --space-5: 60px;
    --space-6: 80px;
    --space-7: 100px;

    --container-default: 1200px;
    --container-lg: 1040px;
    --container-md: 780px;
    --container-sm: 600px;
}

@media(min-width: 768px) {
    :root {
        --global-header-height: 85px;
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--color-black);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Fraunces', Georgia, serif;
    font-weight: 500;
    font-optical-sizing: auto;
    line-height: var(--leading-tight);
    margin-bottom: var(--space-3);
}

h1 { font-size: clamp(32px, 5vw, var(--text-3xl)); }
h2 { font-size: clamp(26px, 4vw, var(--text-2xl)); }
h3 { font-size: clamp(20px, 3vw, var(--text-xl)); }

p {
    margin-bottom: var(--space-2);
    color: var(--color-dark-grey);
}

.pb-0 { margin-bottom: 0 !important; }

.font-2 {
    font-family: 'Fraunces', Georgia, serif;
    font-weight: 500;
}
.font-3 { font-family: 'IBM Plex Mono', monospace; }
.font-medium { font-weight: 500; }
.font-light { font-weight: 300; }

.text-xl { font-size: var(--text-xl); }
.text-lg { font-size: var(--text-lg); }
.text-md { font-size: var(--text-md); }
.text-base { font-size: var(--text-base); }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-balanced { text-wrap: balance; }

/* Layout */
.container-default {
    max-width: var(--container-default);
    margin: 0 auto;
}

.container-sm {
    max-width: var(--container-sm);
    margin: 0 auto;
}

.mx-auto { margin-left: auto; margin-right: auto; }
.w-full { width: 100%; }
.h-100 { height: 100%; }

/* Flexbox */
.flex { display: flex; }
.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-1 { flex: 1; }
.flex-inline { display: inline-flex; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.flex-wrap { flex-wrap: wrap; }

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }

/* Grid */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.col-span-2 { grid-column: span 2; }

@media(max-width: 768px) {
    .grid-cols-2, .grid-cols-3 {
        grid-template-columns: 1fr;
    }
    .col-span-2 { grid-column: span 1; }
    .rotate-mobile { transform: rotate(90deg); }
    .max-h-mobile { max-height: 400px; }
}

@media(min-width: 1024px) {
    .lg\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Spacing */
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }

.ph-2 { padding-left: var(--space-2); padding-right: var(--space-2); }
.ph-3 { padding-left: var(--space-3); padding-right: var(--space-3); }
.pv-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.pv-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.pv-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.pv-5 { padding-top: var(--space-5); padding-bottom: var(--space-5); }
.pv-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.pv-7 { padding-top: var(--space-7); padding-bottom: var(--space-7); }

.pt-3 { padding-top: var(--space-3); }
.pt-4 { padding-top: var(--space-4); }
.pt-5 { padding-top: var(--space-5); }
.pb-2 { padding-bottom: var(--space-2); }
.pb-3 { padding-bottom: var(--space-3); }
.pl-3 { padding-left: var(--space-3); }
.pr-3 { padding-right: var(--space-3); }

.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }

.space-y-2 > * + * { margin-top: var(--space-2); }
.space-y-3 > * + * { margin-top: var(--space-3); }
.space-y-4 > * + * { margin-top: var(--space-4); }

.p-default {
    padding: var(--space-5) var(--space-3);
}

@media(min-width: 768px) {
    .p-default {
        padding: var(--space-6) var(--space-4);
    }
    .md\:pv-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
    .md\:pv-7 { padding-top: var(--space-7); padding-bottom: var(--space-7); }
    .md\:p-4 { padding: var(--space-4); }
    .md\:p-5 { padding: var(--space-5); }
}

@media(min-width: 1024px) {
    .lg\:p-0 { padding: 0; }
    .lg\:p-4 { padding: var(--space-4); }
    .lg\:pv-8 { padding-top: var(--space-7); padding-bottom: var(--space-7); }
    .lg\:ph-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
    .lg\:gap-5 { gap: var(--space-5); }
    .lg\:gap-6 { gap: var(--space-6); }
}

/* Colors */
.bg-color-white { background-color: var(--color-white); }
.bg-color-1 { background-color: var(--color-1); }
.bg-color-2 { background-color: var(--color-2); }
.bg-color-3 { background-color: var(--color-3); }
.bg-color-4 { background-color: var(--color-4); }
.bg-color-tone { background-color: var(--color-6); }
.bg-color-dark { background-color: var(--color-dark-grey); }

.color-white { color: var(--color-white); }
.color-black { color: var(--color-black); }

/* Border */
.border-style-1 {
    border: 1px solid var(--color-black);
}

.rounded-full { border-radius: 9999px; }
.rounded-16 { border-radius: 16px; }
.rounded-48 { border-radius: 48px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: var(--text-sm);
    font-weight: 500;
    text-decoration: none;
    border-radius: 9999px;
    border: 1px solid var(--color-black);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-lg {
    padding: 16px 32px;
    font-size: var(--text-base);
}

.btn-primary {
    background-color: var(--color-black);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-dark-grey);
}

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

.btn-outline:hover {
    background-color: var(--color-6);
}

/* Pre-header badge */
.pre-header {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: 9999px;
    border: 1px solid var(--color-black);
    margin-bottom: var(--space-2);
}

/* Grid Pattern Background */
.grid-pattern {
    background-image:
        linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
    background-size: 20px 20px;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-black);
    height: var(--global-header-height);
}

.logo {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 28px;
    font-weight: 500;
    text-decoration: none;
    color: var(--color-black);
    letter-spacing: -0.5px;
}

.main-menu {
    display: none;
    list-style: none;
    gap: var(--space-3);
}

.main-menu a {
    text-decoration: none;
    color: var(--color-black);
    font-size: var(--text-sm);
}

.main-menu a:hover {
    opacity: 0.7;
}

@media(min-width: 1024px) {
    .main-menu { display: flex; }
    .mobile-button { display: none; }
}

.mobile-button {
    padding: 8px;
    cursor: pointer;
    background: none;
    border: none;
}

.mobile-menu-hamburger {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.mobile-menu-hamburger li {
    width: 24px;
    height: 2px;
    background: var(--color-black);
}

/* Hero Section */
.hero-section {
    padding-top: calc(var(--global-header-height) + var(--space-5));
    padding-bottom: var(--space-5);
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/images/bg-pattern.svg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.05;
    z-index: 0;
}

.hero-section > * {
    position: relative;
    z-index: 1;
}

@media(min-width: 768px) {
    .hero-section {
        padding-top: calc(var(--global-header-height) + var(--space-6));
        padding-bottom: var(--space-6);
    }
}

/* Email Form */
.email-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    width: 100%;
    max-width: 500px;
}

@media(min-width: 600px) {
    .email-form {
        flex-direction: row;
    }
}

.email-form input[type="email"] {
    flex: 1;
    padding: 16px 24px;
    font-size: var(--text-base);
    border: 1px solid var(--color-black);
    border-radius: 9999px;
    outline: none;
    font-family: inherit;
}

.email-form input[type="email"]:focus {
    box-shadow: 0 0 0 2px var(--color-2);
}

.email-form button {
    white-space: nowrap;
}

/* Benefit Cards */
.benefit-card {
    background: var(--color-white);
    border: 1px solid var(--color-black);
    border-radius: 0;
    padding: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

@media(min-width: 1024px) {
    .benefit-card {
        flex-direction: row;
        padding: var(--space-4);
        gap: var(--space-5);
        align-items: center;
    }

    .benefit-card.reverse {
        flex-direction: row-reverse;
    }

    .benefit-card > div:first-child {
        flex: 2;
    }

    .benefit-visual {
        flex: 1;
        max-width: 360px;
    }
}

.benefit-visual {
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Feature Cards */
.feature-card {
    background: var(--color-white);
    border: 1px solid var(--color-black);
    padding: var(--space-3);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-2);
    border-radius: 12px;
}

.feature-icon i {
    font-size: 24px;
}

/* Steps */
.step-number {
    width: 48px;
    height: 48px;
    background: var(--color-black);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--text-lg);
    margin: 0 auto var(--space-2);
}

/* Pricing Card */
.pricing-card {
    background: var(--color-white);
    border: 1px solid var(--color-black);
    padding: var(--space-4);
    text-align: center;
}

.pricing-value {
    font-size: 80px;
    font-weight: 300;
    line-height: 1;
    margin-bottom: var(--space-2);
}

.pricing-label {
    font-size: var(--text-lg);
    color: var(--color-grey);
    margin-bottom: var(--space-4);
}

.pricing-features {
    list-style: none;
    text-align: left;
    border-top: 1px solid var(--color-black);
    padding-top: var(--space-3);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) 0;
}

.pricing-features i {
    color: var(--color-1);
}

/* Founder Section */
.founder-image {
    width: 100%;
    max-width: 300px;
    aspect-ratio: 1;
    background: var(--color-6);
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-black);
}

.founder-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
}

/* FAQ */
.faq-item {
    background: var(--color-white);
    border: 1px solid var(--color-black);
    margin-bottom: -1px;
}

.faq-item summary {
    padding: var(--space-3);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 500;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary i {
    transition: transform 0.2s;
}

.faq-item[open] summary i {
    transform: rotate(180deg);
}

.faq-item .faq-content {
    padding: 0 var(--space-3) var(--space-3);
    border-top: 1px solid var(--color-black);
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--color-black);
    padding: var(--space-4) var(--space-3);
}

.footer-links {
    list-style: none;
    display: flex;
    gap: var(--space-3);
}

.footer-links a {
    color: var(--color-grey);
    text-decoration: none;
    font-size: var(--text-sm);
}

.footer-links a:hover {
    color: var(--color-black);
}

/* Utilities */
.relative { position: relative; }
.absolute { position: absolute; }
.z-1 { z-index: 1; }
.z-2 { z-index: 2; }
.overflow-hidden { overflow: hidden; }
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none; }

@media(min-width: 768px) {
    .md\:block { display: block; }
    .md\:flex { display: flex; }
    .md\:hidden { display: none; }
}

@media(min-width: 1024px) {
    .lg\:block { display: block; }
    .lg\:flex { display: flex; }
    .lg\:hidden { display: none; }
    .lg\:items-start { align-items: flex-start; }
    .lg\:text-left { text-align: left; }
    .lg\:flex-row { flex-direction: row; }
}

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* Sticky CTA Mobile */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-2) var(--space-3);
    background: var(--color-white);
    border-top: 1px solid var(--color-black);
    z-index: 99;
}

.sticky-cta .btn-primary {
    color: #fff !important;
}

@media(min-width: 768px) {
    .sticky-cta { display: none; }
}

/* Extra bottom padding for sticky CTA on mobile */
@media(max-width: 767px) {
    .site-footer {
        padding-bottom: 100px;
    }
}

/* Scroll section marquee */
.scroll-banner {
    position: relative;
}

.scroll-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/images/bg-pattern.svg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.05;
    z-index: 0;
}

.scroll-banner > * {
    position: relative;
    z-index: 1;
}

.scroll-section {
    overflow: hidden;
}

.scroll-wrapper {
    display: flex;
    gap: var(--space-3);
    animation: scroll 20s linear infinite;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.scroll-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-white);
    border: 1px solid var(--color-black);
    border-radius: 48px;
    white-space: nowrap;
    flex-shrink: 0;
}

/* Check list */
.check-list {
    list-style: none;
}

.check-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-1) 0;
}

.check-list i {
    margin-top: 4px;
    color: var(--color-black);
}

/* Mobile Nav */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    z-index: 200;
    padding: var(--space-3);
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.mobile-nav.active {
    transform: translateY(0);
}

.mobile-nav .close-btn {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

.mobile-nav ul {
    list-style: none;
    padding-top: var(--space-5);
}

.mobile-nav li {
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-black);
}

.mobile-nav a:not(.btn) {
    text-decoration: none;
    color: var(--color-black);
    font-size: var(--text-lg);
}

/* Legal Pages */
.legal-page {
    padding-top: calc(var(--global-header-height) + var(--space-5));
    padding-bottom: var(--space-5);
}

.legal-page h1 {
    margin-bottom: var(--space-4);
}

.legal-page h2 {
    margin-top: var(--space-4);
    margin-bottom: var(--space-2);
    font-size: var(--text-lg);
}

.legal-page p,
.legal-page li {
    margin-bottom: var(--space-2);
}

.legal-page ul {
    margin-left: var(--space-3);
    margin-bottom: var(--space-3);
}

.legal-page a {
    color: var(--color-black);
}