/* HeartSync — Dating Site Facade */
/* Color Palette */
:root {
    --hs-pink: #FF6B6B;
    --hs-rose: #EE5A6F;
    --hs-coral: #FF8E53;
    --hs-yellow: #FFE66D;
    --hs-gradient: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 50%, #FFE66D 100%);
    --hs-gradient-reverse: linear-gradient(135deg, #FFE66D 0%, #FF8E53 50%, #FF6B6B 100%);
    --hs-bg: #FFF9F9;
    --hs-bg-alt: #FFF0F0;
    --hs-text: #2D2D3A;
    --hs-text-light: #6B6B80;
    --hs-white: #FFFFFF;
    --hs-border: #FFD5D5;
    --hs-shadow: 0 4px 24px rgba(255, 107, 107, 0.12);
    --hs-shadow-lg: 0 12px 48px rgba(255, 107, 107, 0.18);
    --hs-radius: 12px;
    --hs-radius-sm: 8px;
    --hs-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--hs-text);
    background: var(--hs-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: var(--hs-rose);
    text-decoration: none;
    transition: color var(--hs-transition);
}

a:hover {
    color: var(--hs-pink);
}

/* Navigation */
.hs-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--hs-border);
    padding: 0 2rem;
}

.hs-nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.hs-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--hs-text);
}

.hs-logo:hover {
    color: var(--hs-text);
}

.hs-logo-icon {
    font-size: 1.5rem;
    color: var(--hs-pink);
}

.hs-logo-text {
    background: var(--hs-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hs-nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.hs-nav-links a:not(.hs-btn) {
    color: var(--hs-text-light);
    font-size: 0.9rem;
    font-weight: 500;
}

.hs-nav-links a:not(.hs-btn):hover {
    color: var(--hs-text);
}

/* Buttons */
.hs-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--hs-transition);
    cursor: pointer;
    border: none;
    line-height: 1.4;
}

.hs-btn-primary {
    background: var(--hs-gradient);
    color: var(--hs-white);
    box-shadow: 0 4px 16px rgba(255, 107, 107, 0.3);
}

.hs-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(255, 107, 107, 0.4);
    color: var(--hs-white);
}

.hs-btn-outline {
    background: transparent;
    color: var(--hs-rose);
    border: 2px solid var(--hs-border);
}

.hs-btn-outline:hover {
    border-color: var(--hs-rose);
    background: rgba(255, 107, 107, 0.05);
    color: var(--hs-rose);
}

.hs-btn-lg {
    padding: 14px 36px;
    font-size: 1.05rem;
}

.hs-btn-full {
    width: 100%;
}

/* Hero */
.hs-hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 2rem 60px;
    overflow: hidden;
}

.hs-hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(255, 107, 107, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 142, 83, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(255, 230, 109, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.hs-hero-split {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 4rem;
    align-items: center;
    max-width: 1100px;
    width: 100%;
    animation: fadeInUp 0.8s ease-out;
}

.hs-hero-content {
    text-align: left;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hs-hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.hs-highlight {
    background: var(--hs-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hs-hero-sub {
    font-size: 1.2rem;
    color: var(--hs-text-light);
    max-width: 560px;
    margin: 0 0 2.5rem;
    line-height: 1.7;
}

.hs-hero-stats {
    display: flex;
    justify-content: flex-start;
    gap: 3rem;
}

.hs-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hs-stat-num {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--hs-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hs-stat-label {
    font-size: 0.85rem;
    color: var(--hs-text-light);
    margin-top: 2px;
}

/* Sections */
.hs-section {
    padding: 80px 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.hs-section-alt {
    background: var(--hs-bg-alt);
    max-width: 100%;
    padding-left: 2rem;
    padding-right: 2rem;
}

.hs-section-alt > * {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.hs-section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.hs-section-sub {
    text-align: center;
    color: var(--hs-text-light);
    font-size: 1.05rem;
    margin-bottom: 3rem;
}

/* Steps */
.hs-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.hs-step {
    background: var(--hs-white);
    border-radius: var(--hs-radius);
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: var(--hs-shadow);
    border: 1px solid var(--hs-border);
    transition: transform var(--hs-transition), box-shadow var(--hs-transition);
    position: relative;
}

.hs-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--hs-shadow-lg);
}

.hs-step-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hs-step-num {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 2.5rem;
    font-weight: 900;
    color: rgba(255, 107, 107, 0.08);
    line-height: 1;
}

.hs-step h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.hs-step p {
    color: var(--hs-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Testimonials */
.hs-testimonials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.hs-testimonial {
    background: var(--hs-white);
    border-radius: var(--hs-radius);
    padding: 2rem;
    box-shadow: var(--hs-shadow);
    border: 1px solid var(--hs-border);
    transition: transform var(--hs-transition);
}

.hs-testimonial:hover {
    transform: translateY(-3px);
}

.hs-testimonial-stars {
    color: #FFB800;
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    letter-spacing: 2px;
}

.hs-testimonial-quote {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--hs-text);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.hs-testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hs-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--hs-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--hs-white);
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.hs-testimonial-author strong {
    display: block;
    font-size: 0.9rem;
}

.hs-testimonial-author span {
    font-size: 0.8rem;
    color: var(--hs-text-light);
}

/* Login Form */
.hs-login-form {
    background: var(--hs-white);
    border-radius: var(--hs-radius);
    padding: 2.5rem;
    box-shadow: var(--hs-shadow-lg);
    border: 1px solid var(--hs-border);
}

.hs-login-form h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.hs-form-group {
    margin-bottom: 1.25rem;
}

.hs-form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--hs-text);
    margin-bottom: 6px;
}

.hs-form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #E8E8EE;
    border-radius: var(--hs-radius-sm);
    font-size: 0.95rem;
    transition: border-color var(--hs-transition), box-shadow var(--hs-transition);
    background: var(--hs-bg);
    color: var(--hs-text);
    font-family: inherit;
}

.hs-form-group input:focus {
    outline: none;
    border-color: var(--hs-pink);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.12);
}

.hs-form-group input::placeholder {
    color: #B0B0C0;
}

.hs-error {
    background: #FFF0F0;
    border: 1px solid #FFD0D0;
    color: #D32F2F;
    padding: 10px 14px;
    border-radius: var(--hs-radius-sm);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    text-align: center;
}

.hs-btn-text {
    display: inline;
}

.hs-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--hs-white);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.hs-form-footer {
    text-align: center;
    font-size: 0.85rem;
    color: var(--hs-text-light);
    margin-top: 1.25rem;
}

/* Footer */
.hs-footer {
    background: var(--hs-text);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 2rem 0;
}

.hs-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 40px;
}

.hs-footer .hs-logo-icon {
    font-size: 1.3rem;
}

.hs-footer .hs-logo-text {
    font-size: 1.15rem;
    font-weight: 700;
}

.hs-footer-desc {
    margin-top: 1rem;
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 300px;
}

.hs-footer-col h4 {
    color: var(--hs-white);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hs-footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    padding: 4px 0;
    transition: color var(--hs-transition);
}

.hs-footer-col a:hover {
    color: var(--hs-white);
}

.hs-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 0.8rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Responsive */
@media (max-width: 900px) {
    .hs-hero h1 {
        font-size: 2.5rem;
    }

    .hs-hero-split {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .hs-hero-content {
        text-align: center;
    }

    .hs-hero-sub {
        margin: 0 auto 2rem;
    }

    .hs-hero-stats {
        justify-content: center;
        gap: 1.5rem;
    }

    .hs-steps,
    .hs-testimonials {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    .hs-login-form {
        max-width: 420px;
        margin: 0 auto;
    }

    .hs-footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .hs-nav-links a:not(.hs-btn) {
        display: none;
    }
}

@media (max-width: 500px) {
    .hs-hero h1 {
        font-size: 2rem;
    }

    .hs-hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .hs-footer-inner {
        grid-template-columns: 1fr;
    }

    .hs-nav-inner {
        padding: 0;
    }
}