:root {
    --burnt-orange: #BF4E30;
    --gunmetal: #2C2C2C;
    --cool-gray: #D3D3D3;
    --bone-white: #EDEAE5;
    --midnight: #2D3142;
    
    /* Color mappings */
    --bg-light: var(--bone-white);
    --text-dark: var(--gunmetal);
    --text-medium: var(--midnight);
    --text-light: var(--midnight);
    --border-light: var(--cool-gray);
    --logo-grey: var(--midnight);
    --accent: var(--burnt-orange);
    
    /* Spacing scale (8px base) */
    --space-xs: 0.5rem;   /* 8px */
    --space-sm: 1rem;      /* 16px */
    --space-md: 1.5rem;    /* 24px */
    --space-lg: 2rem;      /* 32px */
    --space-xl: 3rem;      /* 48px */
    --space-2xl: 4rem;    /* 64px */
    --space-3xl: 6rem;    /* 96px */
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.7;
    min-height: 100vh;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
    position: relative;
    overflow-x: hidden;
}

.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(191, 78, 48, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(45, 49, 66, 0.06) 0%, transparent 50%);
    z-index: 0;
    animation: bgShift 20s ease-in-out infinite;
    pointer-events: none;
}

@keyframes bgShift {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.container {
    max-width: 720px;
    width: 100%;
    margin: 0 auto;
    padding: var(--space-lg) var(--space-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    justify-content: center;
    z-index: 1;
}

header {
    position: fixed;
    top: var(--space-lg);
    left: var(--space-md);
    margin-bottom: 0;
    text-align: left;
    z-index: 100;
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.logo {
    color: var(--logo-grey);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: lowercase;
    line-height: 1.2;
    position: relative;
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border: 1px solid var(--logo-grey);
    border-radius: 12px;
    opacity: 0.7;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    background: transparent;
    transform: translateZ(0);
}

.logo:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bone-white);
    opacity: 1;
    transform: scale(1.05) translateZ(0);
    box-shadow: 0 4px 12px rgba(191, 78, 48, 0.3);
}

.survey-link {
    color: var(--logo-grey);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: lowercase;
    text-decoration: none;
    line-height: 1.2;
    position: relative;
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border: 1px solid var(--logo-grey);
    border-radius: 12px;
    opacity: 0.7;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    background: transparent;
    transform: translateZ(0);
}

.survey-link:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bone-white);
    opacity: 1;
    transform: scale(1.05) translateZ(0);
    box-shadow: 0 4px 12px rgba(191, 78, 48, 0.3);
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.content {
    margin-bottom: 0;
    text-align: left;
    width: 100%;
    max-width: 600px;
    margin-left: auto;
    margin-right: 0;
    padding: 0;
}

.heading {
    font-size: clamp(1.25rem, 3.5vw, 1.875rem);
    font-weight: 400;
    line-height: 1.15;
    margin-bottom: var(--space-xs);
    color: var(--text-dark);
    letter-spacing: -0.03em;
    max-width: 100%;
}

.fade-in {
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.fade-in-delay {
    animation: fadeInUp 0.8s ease-out 1s both;
}

.fade-in-delay-2 {
    animation: fadeInUp 0.8s ease-out 1.5s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(191, 78, 48, 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(191, 78, 48, 0);
    }
}

.thru-highlight {
    position: relative;
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border: 2px solid var(--accent);
    border-radius: 50px;
    margin: 0 0.125rem;
}

.subhead {
    font-size: clamp(0.9375rem, 2.5vw, 1.125rem);
    font-weight: 300;
    line-height: 1.4;
    margin-bottom: var(--space-md);
    color: var(--text-medium);
    letter-spacing: 0;
    font-style: normal;
    max-width: 100%;
}

.support-text {
    font-size: clamp(0.875rem, 2vw, 1rem);
    font-weight: 300;
    line-height: 1.3;
    margin-bottom: var(--space-sm);
    color: var(--text-medium);
    letter-spacing: 0;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    text-align: left;
}

.quote-open,
.quote-close {
    font-size: 1.5em;
    font-weight: 300;
    color: var(--accent);
    line-height: 0;
    vertical-align: -0.1em;
    font-family: Georgia, serif;
}

.quote-open {
    margin-right: 0.1em;
}

.quote-close {
    margin-left: 0.1em;
}

.thru-quoted {
    font-weight: 700;
    font-style: italic;
    color: var(--text-dark);
    padding: 0 0.2em;
}

.waitlist-section {
    margin-top: var(--space-sm);
    padding-top: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.waitlist-form {
    width: 100%;
    max-width: 100%;
    margin: 0;
    display: flex;
    flex-direction: row;
    gap: var(--space-sm);
    align-items: stretch;
    opacity: 0;
    transform: translateY(-10px) scale(0.98);
    overflow: hidden;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                margin-top 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: 0;
}

.waitlist-form.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    margin-top: var(--space-xs);
    pointer-events: auto;
    max-height: 200px;
}

#email-input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    background: var(--bone-white);
    border: 2px solid var(--cool-gray);
    border-radius: 6px;
    color: var(--text-dark);
    font-size: 0.875rem;
    font-family: inherit;
    font-weight: 400;
    transition: all 0.3s ease;
    outline: none;
    line-height: 1.4;
    letter-spacing: 0;
}

#email-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(191, 78, 48, 0.1);
}

#email-input::placeholder {
    color: var(--text-light);
    opacity: 0.6;
    font-weight: 300;
}

#email-input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.send-btn {
    padding: 0.5rem 0.75rem;
    background: var(--gunmetal);
    color: var(--bone-white);
    border: 2px solid var(--gunmetal);
    font-size: 0.875rem;
    font-weight: 400;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.02em;
    line-height: 1.4;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(44, 44, 44, 0.2);
    white-space: nowrap;
}

.send-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.send-btn:hover:not(:disabled)::before {
    left: 100%;
}

.send-btn:hover:not(:disabled) {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 4px 12px rgba(191, 78, 48, 0.3);
}

.send-btn:active:not(:disabled) {
    transform: translateY(0) scale(0.98);
}

.send-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.submit-btn {
    padding: 0.5rem 1.25rem;
    background: var(--accent);
    color: var(--bone-white);
    border: 2px solid var(--accent);
    font-size: 0.875rem;
    font-weight: 400;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.02em;
    line-height: 1.4;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(191, 78, 48, 0.3);
    margin: 0;
    width: fit-content;
}

.submit-btn.hiding {
    opacity: 0;
    transform: scale(0.95);
    pointer-events: none;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.submit-btn:hover:not(:disabled)::before {
    left: 100%;
}

.submit-btn:hover:not(:disabled) {
    background: var(--gunmetal);
    border-color: var(--gunmetal);
    color: var(--bone-white);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 20px rgba(44, 44, 44, 0.3);
}

.submit-btn:active:not(:disabled) {
    transform: translateY(-1px) scale(0.98);
}

.submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-loader {
    display: flex;
    align-items: center;
    justify-content: center;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 1.5px solid var(--border-light);
    border-top-color: var(--text-dark);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.form-message {
    margin-top: var(--space-md);
    font-size: 0.8125rem;
    font-weight: 400;
    display: none;
    line-height: 1.5;
    letter-spacing: 0;
}

.form-message.success {
    display: block;
    color: var(--text-medium);
}

.form-message.error {
    display: block;
    color: var(--text-medium);
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .container {
        padding: var(--space-md) var(--space-sm);
    }

    header {
        margin-bottom: var(--space-2xl);
    }

    .heading {
        margin-bottom: var(--space-md);
    }

    .one-liner {
        margin-bottom: var(--space-xl);
    }

    .features-rotator {
        margin-bottom: var(--space-xl);
    }

    .waitlist-section {
        margin-top: var(--space-xl);
        padding-top: var(--space-lg);
    }
}

/* Better text rendering */
@media (min-width: 641px) {
    .heading {
        max-width: 90%;
    }
    
    .one-liner {
        max-width: 85%;
    }
}