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

:root {
    --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #FF8E53 50%, #FFB366 100%);
    --gradient-text: linear-gradient(135deg, #FF6B35 0%, #FF1744 100%);
    --gradient-card: linear-gradient(135deg, #FFE5CC 0%, #FFD4B3 50%, #FFC299 100%);
    --color-orange: #FF6B35;
    --color-pink: #FF1744;
    --color-yellow: #FFD700;
    --color-light-blue: #4A90E2;
    --color-dark: #1a1a1a;
    --color-gray: #666666;
    --color-light-gray: #999999;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--color-dark);
    background: #FFFFFF;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    padding: 24px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-dark);
}

.nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: var(--color-gray);
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--color-dark);
}

/* Hero Section */
.hero {
    padding: 80px 0 120px;
    text-align: center;
}

.hero-title {
    display: flex;
    flex-direction: column;
    font-size: 72px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--color-dark);
}

.hero-title-line {
    display: block;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--color-gray);
    margin-bottom: 40px;
    letter-spacing: 0.5px;
}

.waitlist-form {
    max-width: 500px;
    margin: 0 auto;
}

.waitlist-form-content {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.email-input {
    flex: 1;
    padding: 16px 20px;
    border: 1px solid #E0E0E0;
    border-radius: 12px;
    font-size: 16px;
    font-family: inherit;
    background: #FFFFFF;
    color: var(--color-dark);
    transition: border-color 0.3s;
}

.email-input:focus {
    outline: none;
    border-color: var(--color-orange);
}

.email-input::placeholder {
    color: var(--color-light-gray);
}

.join-waitlist-button {
    padding: 16px 32px;
    background: var(--color-orange);
    color: #FFFFFF;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
    white-space: nowrap;
}

.join-waitlist-button:hover {
    background: #FF5722;
    transform: translateY(-2px);
}

.join-waitlist-button:active {
    transform: translateY(0);
}

.form-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
}

.divider-line {
    flex: 1;
    height: 1px;
    background: #E0E0E0;
}

.divider-text {
    color: var(--color-light-gray);
    font-size: 14px;
    font-weight: 400;
}

.early-supporter-button {
    width: 100%;
    padding: 16px 20px;
    background: #2a2a2a;
    color: #FFFFFF;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s, box-shadow 0.2s;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.early-supporter-button:hover {
    background: #1a1a1a;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.whats-this-link {
    display: inline-block;
    text-align: center;
    color: var(--color-light-gray);
    font-size: 14px;
    text-decoration: none;
    transition: color 0.3s;
    position: relative;
    cursor: help;
}

.whats-this-link:hover {
    color: var(--color-gray);
}

.whats-this-link::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: var(--color-dark);
    color: #FFFFFF;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
    z-index: 1000;
    margin-bottom: 4px;
}

.whats-this-link::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    border: 6px solid transparent;
    border-top-color: var(--color-dark);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
    z-index: 1001;
}

.whats-this-link:hover::after,
.whats-this-link:hover::before {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Features Showcase */
.features-showcase {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--gradient-card);
    border-radius: 24px;
    padding: 40px 32px;
    text-align: center;
    min-height: 500px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(255, 107, 53, 0.2);
}

.feature-title {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 32px;
}

.feature-title-main {
    font-size: 36px;
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1;
}

.feature-title-sub {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-dark);
    line-height: 1;
}

.feature-image {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 32px 0;
}

.crab-illustration {
    max-width: 200px;
    height: auto;
}

.phone-mockup {
    background: #1a1a1a;
    border-radius: 20px;
    padding: 12px;
    max-width: 280px;
    margin: 0 auto;
}

.phone-screen {
    background: #FFFFFF;
    border-radius: 16px;
    padding: 20px;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-message {
    padding: 12px 16px;
    border-radius: 16px;
    max-width: 85%;
    font-size: 14px;
    line-height: 1.5;
}

.chat-message.user {
    background: #F0F0F0;
    align-self: flex-end;
    margin-left: auto;
}

.chat-message.agent {
    background: var(--gradient-primary);
    color: #FFFFFF;
    align-self: flex-start;
}

.chat-input {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid #E0E0E0;
}

.chat-input input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #E0E0E0;
    border-radius: 24px;
    font-size: 14px;
    background: #F8F8F8;
}

.feature-description {
    font-size: 18px;
    font-weight: 500;
    text-transform: lowercase;
}

/* Detailed Features */
.detailed-features {
    padding: 80px 0;
    background: #FAFAFA;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.feature-item {
    text-align: center;
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon svg {
    width: 64px;
    height: 64px;
}

.feature-item-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-dark);
}

.feature-item-description {
    font-size: 16px;
    color: var(--color-gray);
    line-height: 1.6;
}

/* Footer */
.footer {
    padding: 48px 0;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--color-gray);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-link:hover {
    color: var(--color-dark);
}

.copyright {
    color: var(--color-light-gray);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 968px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .features-list {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-title {
        font-size: 48px;
    }

    .feature-card {
        min-height: auto;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 60px 0 80px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .waitlist-form-content {
        flex-direction: column;
    }

    .join-waitlist-button {
        width: 100%;
    }

    .email-input {
        width: 100%;
    }

    .feature-title-main {
        font-size: 28px;
    }

    .feature-title-sub {
        font-size: 20px;
    }

    .nav {
        gap: 20px;
    }

    .nav-link {
        font-size: 14px;
    }
}