/* ========================================
   Bridgo Landing Page — Coming Soon
   Minimalist, Dark, Premium
   ======================================== */

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --bg-primary: #07080a;
    --bg-secondary: #0d0f14;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-accent: rgba(99, 102, 241, 0.4);
    --text-primary: #f1f1f4;
    --text-secondary: rgba(255, 255, 255, 0.5);
    --text-muted: rgba(255, 255, 255, 0.3);
    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.15);
    --success: #10b981;
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

::selection {
    background: var(--accent);
    color: #fff;
}

/* ========================================
   Background — Radial Glow + Grid
   ======================================== */
.landing-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.landing-bg::before {
    content: '';
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
    filter: blur(80px);
    animation: glowPulse 8s ease-in-out infinite;
}

.landing-bg::after {
    content: '';
    position: absolute;
    bottom: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
    filter: blur(60px);
    animation: glowPulse 8s ease-in-out infinite 4s;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.6; transform: translateX(-50%) scale(1); }
    50% { opacity: 1; transform: translateX(-50%) scale(1.1); }
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 70%);
}

/* ========================================
   Layout
   ======================================== */
.landing-wrapper {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.landing-nav {
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.landing-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.landing-brand i {
    color: var(--accent);
    font-size: 1.25rem;
}

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

.landing-nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

.landing-nav-links a:hover {
    color: var(--text-primary);
}

.landing-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}

/* ========================================
   Badge
   ======================================== */
.landing-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 50px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out;
}

.landing-badge .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success);
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ========================================
   Hero Typography
   ======================================== */
.landing-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.landing-title .gradient-text {
    background: linear-gradient(135deg, var(--accent-light) 0%, #c084fc 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.landing-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 540px;
    margin: 0 auto 3rem;
    line-height: 1.7;
    font-weight: 400;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* ========================================
   Waitlist Form
   ======================================== */
.waitlist-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    width: 100%;
    max-width: 480px;
    margin: 0 auto 2rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    animation: fadeInUp 0.8s ease-out 0.3s both;
    transition: var(--transition);
}

.waitlist-card:hover {
    border-color: var(--border-accent);
    box-shadow: 0 0 40px var(--accent-glow);
}

.waitlist-form {
    display: flex;
    gap: 0.75rem;
}

.waitlist-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 0.875rem 1.25rem;
    font-size: 0.9375rem;
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.waitlist-input::placeholder {
    color: var(--text-muted);
}

.waitlist-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: rgba(255, 255, 255, 0.08);
}

.waitlist-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.waitlist-btn:hover {
    background: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

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

.waitlist-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.waitlist-btn .spinner-border {
    width: 1rem;
    height: 1rem;
    border-width: 2px;
}

/* Success state */
.waitlist-success {
    display: none;
    text-align: center;
    padding: 1rem 0;
}

.waitlist-success .check-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.waitlist-success h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.375rem;
}

.waitlist-success p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

/* Error message */
.waitlist-error {
    display: none;
    color: #ef4444;
    font-size: 0.8125rem;
    margin-top: 0.75rem;
    text-align: left;
}

/* Social proof */
.social-proof {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: var(--text-muted);
    font-size: 0.8125rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.avatar-stack {
    display: flex;
}

.avatar-stack .avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--bg-primary);
    margin-left: -8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    font-weight: 600;
    color: #fff;
}

.avatar-stack .avatar:first-child { margin-left: 0; }
.avatar-stack .avatar:nth-child(1) { background: #6366f1; }
.avatar-stack .avatar:nth-child(2) { background: #8b5cf6; }
.avatar-stack .avatar:nth-child(3) { background: #a78bfa; }
.avatar-stack .avatar:nth-child(4) { background: #c084fc; z-index: 0; }

.social-proof .count {
    color: var(--text-secondary);
    font-weight: 500;
}

/* ========================================
   Features Grid
   ======================================== */
.features-section {
    padding: 4rem 2rem;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--border-accent);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.feature-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--accent-glow);
    color: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ========================================
   Support / Donation Section
   ======================================== */
.support-section {
    padding: 4rem 2rem 3rem;
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.support-header {
    margin-bottom: 2rem;
}

.support-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.9rem;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.15);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
    color: #f87171;
    margin-bottom: 1.25rem;
    letter-spacing: 0.02em;
}

.support-badge i {
    font-size: 0.7rem;
}

.support-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.support-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 480px;
    margin: 0 auto;
}

.wallet-cards {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.wallet-card {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
    text-align: left;
}

.wallet-card:hover {
    border-color: var(--border-accent);
    background: var(--bg-card-hover);
}

.wallet-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.wallet-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 10px;
}

.wallet-icon-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
}

.wax-icon {
    background: linear-gradient(135deg, #f89022, #ff6600);
}

.sol-icon {
    background: linear-gradient(135deg, #9945ff, #14f195);
}

.wallet-info h4 {
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--text-primary);
}

.wallet-address {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.wallet-address code {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: 'SF Mono', 'Fira Code', monospace;
    background: rgba(255, 255, 255, 0.04);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    letter-spacing: 0.01em;
}

.copy-btn {
    background: none;
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem 0.4rem;
    font-size: 0.75rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.copy-btn:hover {
    color: var(--accent-light);
    border-color: var(--border-accent);
}

.copy-btn.copied {
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.3);
}

.memo-notice {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    background: rgba(99, 102, 241, 0.06);
    border: 1px solid rgba(99, 102, 241, 0.12);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    text-align: left;
    line-height: 1.6;
}

.memo-notice i {
    color: var(--accent-light);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.memo-notice strong {
    color: var(--text-primary);
}

.spread-notice {
    margin-top: 1.5rem;
    text-align: center;
}

.spread-notice p {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.spread-notice strong {
    color: var(--text-secondary);
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.share-btn {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.share-btn:hover {
    border-color: var(--border-accent);
    color: var(--accent-light);
    background: var(--bg-card-hover);
    transform: translateY(-1px);
}

@media (max-width: 640px) {
    .wallet-cards {
        flex-direction: column;
    }

    .support-section {
        padding: 3rem 1.5rem 2rem;
    }
}

/* ========================================
   Footer
   ======================================== */
.landing-footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--border-subtle);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 1rem;
    transition: var(--transition);
    text-decoration: none;
}

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

.landing-footer p {
    color: var(--text-muted);
    font-size: 0.8125rem;
    margin: 0;
}

.landing-footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.landing-footer a:hover {
    color: var(--accent-light);
}

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

/* Typing cursor blink */
.typing-cursor {
    display: inline-block;
    width: 3px;
    height: 1em;
    background: var(--accent);
    margin-left: 2px;
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 640px) {
    .landing-nav {
        padding: 1rem;
    }

    .landing-main {
        padding: 1.5rem;
    }

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

    .waitlist-btn {
        justify-content: center;
    }

    .waitlist-card {
        padding: 1.5rem;
    }

    .landing-nav-links {
        gap: 1rem;
    }
}

@media (max-width: 380px) {
    .landing-title {
        font-size: 2rem;
    }
}