/* ============================================
   Creata.Team — Umbrella Landing Page
   Apple-like minimalism, Inter font
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    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, 'Segoe UI', sans-serif;
    color: #1d1d1f;
    background: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(245, 158, 11, 0.06) 0%, transparent 50%);
    animation: bgShift 12s ease-in-out infinite alternate;
}

@keyframes bgShift {
    0% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
    100% { opacity: 0.8; transform: scale(1.02); }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(48px, 10vw, 96px);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-title-creata {
    color: #1d1d1f;
}

.hero-title-dot {
    color: #6366f1;
}

.hero-title-team {
    color: #1d1d1f;
}

.hero-tagline {
    font-size: clamp(18px, 2.5vw, 24px);
    font-weight: 400;
    color: #6e6e73;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: #86868b;
    animation: bounce 2s ease-in-out infinite;
    transition: color 0.3s;
}

.scroll-indicator:hover {
    color: #1d1d1f;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* --- Ecosystem --- */
.ecosystem {
    padding: 140px 0;
    background: #fafafa;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    letter-spacing: -0.02em;
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: #6e6e73;
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
    line-height: 1.6;
}

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

.brand-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    cursor: default;
}

a.brand-card {
    cursor: pointer;
}

.brand-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.brand-card-accent {
    height: 4px;
    background: var(--brand-color);
    transition: height 0.3s ease;
}

.brand-card:hover .brand-card-accent {
    height: 6px;
}

.brand-card-body {
    padding: 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
}

.brand-desc {
    font-size: 15px;
    color: #6e6e73;
    line-height: 1.5;
    flex: 1;
    margin-bottom: 16px;
}

.brand-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--brand-color);
    transition: opacity 0.3s;
}

.brand-card:hover .brand-link {
    opacity: 0.8;
}

.brand-badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    color: #86868b;
    background: #f5f5f7;
    padding: 4px 12px;
    border-radius: 100px;
    width: fit-content;
}

/* --- Impact Numbers --- */
.impact {
    padding: 120px 0;
    background: #ffffff;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.impact-item {
    padding: 24px;
}

.impact-number {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #1d1d1f;
    display: inline;
}

.impact-plus {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    color: #6366f1;
}

.impact-label {
    display: block;
    font-size: 15px;
    color: #6e6e73;
    margin-top: 8px;
    font-weight: 500;
}

/* --- Founder --- */
.founder {
    padding: 140px 0;
    background: #fafafa;
}

.founder-layout {
    display: flex;
    align-items: center;
    gap: 64px;
    max-width: 800px;
    margin: 0 auto;
}

.founder-photo {
    flex-shrink: 0;
}

.founder-photo-placeholder {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.founder-photo img {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
}

.founder-info {
    flex: 1;
}

.founder-name {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.founder-bio {
    font-size: 16px;
    color: #6e6e73;
    line-height: 1.7;
    margin-bottom: 20px;
}

.founder-link {
    font-size: 15px;
    font-weight: 600;
    color: #6366f1;
    transition: opacity 0.3s;
}

.founder-link:hover {
    opacity: 0.7;
}

/* --- Footer --- */
.footer {
    padding: 60px 0 32px;
    background: #1d1d1f;
    color: #f5f5f7;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 48px;
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.footer-logo-dot {
    color: #6366f1;
}

.footer-location {
    font-size: 14px;
    color: #86868b;
    margin-top: 8px;
}

.footer-contact {
    text-align: right;
}

.footer-email {
    font-size: 15px;
    color: #f5f5f7;
    transition: color 0.3s;
}

.footer-email:hover {
    color: #6366f1;
}

.footer-social {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    justify-content: flex-end;
}

.footer-social a {
    color: #86868b;
    transition: color 0.3s;
}

.footer-social a:hover {
    color: #f5f5f7;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: #86868b;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .brand-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .impact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .ecosystem {
        padding: 100px 0;
    }

    .impact {
        padding: 80px 0;
    }

    .founder {
        padding: 100px 0;
    }

    .founder-layout {
        flex-direction: column;
        text-align: center;
        gap: 32px;
    }

    .footer-content {
        flex-direction: column;
        gap: 32px;
    }

    .footer-contact {
        text-align: left;
    }

    .footer-social {
        justify-content: flex-start;
    }
}

@media (max-width: 640px) {
    .brand-grid {
        grid-template-columns: 1fr;
    }

    .impact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .section-subtitle {
        margin-bottom: 40px;
    }
}