/* Daily AI Agents — Shared Design System */

/* ─── CSS Variables ─── */
:root {
    --bg-primary: #050507;
    --bg-secondary: #08080d;
    --bg-elevated: #0e0e16;
    --bg-card: rgba(14, 14, 22, 0.75);
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.14);
    --text-primary: #f0f0f5;
    --text-secondary: #9494a6;
    --text-tertiary: #606070;
    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.12);
    --accent-glow-strong: rgba(99, 102, 241, 0.25);
    --cyan: #22d3ee;
    --cyan-glow: rgba(34, 211, 238, 0.12);
    --success: #22c55e;
    --success-glow: rgba(34, 197, 94, 0.15);
    --amber: #f59e0b;
    --amber-glow: rgba(245, 158, 11, 0.15);
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #22d3ee 100%);
    --gradient-text: linear-gradient(135deg, #818cf8 0%, #22d3ee 50%, #818cf8 100%);
    --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
    --card-shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.35), 0 0 0 1px var(--border-hover);
}

/* ─── Global Styles ─── */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.mono {
    font-family: 'JetBrains Mono', monospace;
}

/* ─── Layout ─── */
.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 32px;
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ─── Navigation ─── */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 14px 0;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(24px) saturate(1.2);
    -webkit-backdrop-filter: blur(24px) saturate(1.2);
    background: rgba(5, 5, 7, 0.75);
    border-bottom: 1px solid transparent;
}

nav.scrolled {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    background: rgba(5, 5, 7, 0.92);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

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

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

.nav-logo-img {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    object-fit: cover;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.25));
    transition: filter 0.3s;
}

nav:hover .nav-logo-img {
    filter: drop-shadow(0 0 14px rgba(99, 102, 241, 0.4));
}

.nav-logo {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-logo span {
    color: var(--accent-light);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
    position: relative;
}

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

.nav-links a.active {
    color: var(--accent-light);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

.nav-cta {
    font-size: 13px !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    background: var(--accent);
    padding: 8px 18px;
    border-radius: 8px;
    transition: background 0.2s, transform 0.2s !important;
}

.nav-cta:hover {
    background: var(--accent-light) !important;
    transform: translateY(-1px);
}

/* ─── Typography ─── */
h1 {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1.05;
    margin-bottom: 24px;
}

h2 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

h3 {
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h4 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

p {
    font-size: 16px;
    line-height: 1.7;
}

.small {
    font-size: 14px;
    color: var(--text-secondary);
}

.tiny {
    font-size: 12px;
    color: var(--text-tertiary);
}

.gradient-text {
    background: var(--gradient-text);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
    0% {
        background-position: 0% center;
    }
    100% {
        background-position: 200% center;
    }
}

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.03);
    transform: translateY(-2px);
}

/* ─── Cards ─── */
.card {
    padding: 36px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    backdrop-filter: blur(12px);
    transition: border-color 0.35s, transform 0.35s, box-shadow 0.35s;
    box-shadow: var(--card-shadow);
}

.card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: var(--card-shadow-hover);
}

/* ─── Section Headers ─── */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent-light);
    margin-bottom: 18px;
    padding: 5px 14px;
    background: var(--accent-glow);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 100px;
}

.section-header h2 {
    margin-bottom: 18px;
}

.section-header p {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 540px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ─── Email Form ─── */
.email-wrapper {
    max-width: 480px;
    margin: 0 auto;
}

.email-form {
    display: flex;
    gap: 8px;
    padding: 6px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 14px;
    transition: border-color 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.email-form:focus-within {
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 0 0 4px var(--accent-glow), 0 8px 30px rgba(99, 102, 241, 0.1);
}

.email-form input {
    flex: 1;
    padding: 14px 16px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    outline: none;
}

.email-form input::placeholder {
    color: var(--text-tertiary);
}

.email-form button {
    padding: 14px 28px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
    white-space: nowrap;
}

.email-form button:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.email-form button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.form-note {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-top: 14px;
    text-align: center;
}

.form-success {
    display: none;
    text-align: center;
    padding: 18px;
    background: var(--success-glow);
    border: 1px solid rgba(34, 197, 94, 0.25);
    border-radius: 14px;
    color: var(--success);
    font-weight: 500;
    font-size: 15px;
}

.form-success.show {
    display: block;
}

/* ─── Footer ─── */
footer {
    padding: 56px 0;
    border-top: 1px solid var(--border);
    background: var(--bg-primary);
}

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

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

.footer-logo {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    filter: drop-shadow(0 0 6px rgba(99, 102, 241, 0.25));
}

.footer-text {
    font-size: 13px;
    color: var(--text-tertiary);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* ─── Scroll Reveal ─── */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger child reveals */
.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }
.reveal:nth-child(5) { transition-delay: 0.32s; }
.reveal:nth-child(6) { transition-delay: 0.4s; }
.reveal:nth-child(7) { transition-delay: 0.48s; }
.reveal:nth-child(8) { transition-delay: 0.56s; }

/* Fallback: ensure content is visible even without JS */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ─── Status Badge ─── */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 4px 10px;
    border-radius: 100px;
}

.status-badge.live {
    color: var(--success);
    background: var(--success-glow);
}

.status-badge.building {
    color: var(--amber);
    background: var(--amber-glow);
}

.status-badge .dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: currentColor;
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 currentColor;
    }
    50% {
        opacity: 0.7;
        box-shadow: 0 0 0 6px rgba(99, 102, 241, 0);
    }
}

/* ─── Grid Layouts ─── */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* ─── Hero Badge ─── */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--accent-light);
    border: 1px solid rgba(99, 102, 241, 0.2);
    background: rgba(99, 102, 241, 0.08);
    padding: 8px 18px;
    border-radius: 100px;
    margin-bottom: 36px;
    backdrop-filter: blur(12px);
}

.hero-badge .pulse {
    width: 6px;
    height: 6px;
    background: var(--accent-light);
    border-radius: 50%;
    animation: badgePulse 2s ease-in-out infinite;
}

/* ─── Responsive Design ─── */
@media (max-width: 768px) {
    .container,
    .container-narrow {
        padding: 0 20px;
    }

    .nav-links {
        display: none;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 28px;
    }

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

    .footer-inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .social-buttons {
        flex-direction: column;
        align-items: center;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .container,
    .container-narrow {
        padding: 0 16px;
    }

    h1 {
        font-size: 28px;
    }

    h2 {
        font-size: 22px;
    }

    p {
        font-size: 15px;
    }

    .section-header {
        margin-bottom: 32px;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}