/* ============================================================
   JAVIER ABEL — CEO Linktree-Style Page
   Grayscale Dark Theme — Centered Single Column
   ============================================================ */

:root {
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #0f0f0f;
    --color-bg-card: rgba(255, 255, 255, 0.04);
    --color-bg-card-hover: rgba(255, 255, 255, 0.08);
    --color-text-primary: #f0f0f0;
    --color-text-secondary: #888888;
    --color-text-muted: #444444;
    --color-border: rgba(255, 255, 255, 0.08);

    --color-accent: #ffffff;
    --color-accent-glow: rgba(255, 255, 255, 0.06);
    --color-accent-glow-strong: rgba(255, 255, 255, 0.12);

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pill: 60px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    position: relative;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================================
   ANIMATED BACKGROUND
   ============================================================ */
.bg-glow {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.bg-glow::before {
    content: '';
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    animation: glowPulse 10s ease-in-out infinite alternate;
}

.bg-glow::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.015) 0%, transparent 70%);
    animation: glowPulse 12s ease-in-out 2s infinite alternate;
}

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

    100% {
        transform: translateX(-50%) scale(1.3);
        opacity: 1;
    }
}

/* ============================================================
   MAIN LAYOUT — CENTERED COLUMN
   ============================================================ */
.linktree-wrapper {
    position: relative;
    z-index: 1;
    max-width: 480px;
    margin: 0 auto;
    padding: 48px 20px 40px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================================
   PROFILE HEADER
   ============================================================ */
.profile-header {
    text-align: center;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.7s ease-out 0.1s forwards;
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 20px;
    border: 3px solid var(--color-border);
    transition: transform var(--transition-base), border-color var(--transition-base);
}

.profile-avatar:hover {
    transform: scale(1.05);
    border-color: rgba(255, 255, 255, 0.2);
}

.profile-name {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 6px;
}

.profile-role {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.profile-bio {
    font-size: 0.92rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 360px;
    margin: 0 auto;
}

/* ============================================================
   LINK BUTTONS (STACK)
   ============================================================ */
.link-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 48px;
}

.link-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(16px);
    animation: fadeUp 0.5s ease-out forwards;
}

.link-btn:nth-child(1) {
    animation-delay: 0.25s;
}

.link-btn:nth-child(2) {
    animation-delay: 0.32s;
}

.link-btn:nth-child(3) {
    animation-delay: 0.39s;
}

.link-btn:nth-child(4) {
    animation-delay: 0.46s;
}

.link-btn:nth-child(5) {
    animation-delay: 0.53s;
}

.link-btn:nth-child(6) {
    animation-delay: 0.60s;
}

.link-btn:nth-child(7) {
    animation-delay: 0.67s;
}

.link-btn:nth-child(8) {
    animation-delay: 0.74s;
}

.link-btn:nth-child(9) {
    animation-delay: 0.81s;
}

.link-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.link-btn:hover {
    background: var(--color-bg-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.link-btn:hover::before {
    opacity: 1;
}

.link-btn:active {
    transform: translateY(0) scale(0.99);
}

.link-btn .link-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 50%;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    position: relative;
    z-index: 1;
}

.link-btn:hover .link-icon {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #0a0a0a;
    transform: scale(1.08);
}

.link-btn .link-icon svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.link-btn .link-text {
    flex: 1;
    position: relative;
    z-index: 1;
}

.link-btn .link-title {
    font-size: 0.92rem;
    font-weight: 600;
    display: block;
    margin-bottom: 2px;
}

.link-btn .link-handle {
    font-size: 0.78rem;
    color: var(--color-text-secondary);
    display: block;
    transition: color var(--transition-fast);
}

.link-btn:hover .link-handle {
    color: var(--color-text-primary);
}

.link-btn .link-arrow {
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
    position: relative;
    z-index: 1;
}

.link-btn .link-arrow svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.link-btn:hover .link-arrow {
    color: var(--color-text-secondary);
    transform: translateX(3px);
}

/* ============================================================
   SECTION DIVIDER
   ============================================================ */
.section-divider {
    text-align: center;
    margin: 8px 0 24px;
    opacity: 0;
    animation: fadeUp 0.5s ease-out 0.85s forwards;
}

.section-divider span {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-text-muted);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    position: relative;
    padding: 0 16px;
}

.section-divider span::before,
.section-divider span::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 60px;
    height: 1px;
    background: var(--color-border);
}

.section-divider span::before {
    right: 100%;
}

.section-divider span::after {
    left: 100%;
}

/* ============================================================
   COMPANY LINKS (SMALLER)
   ============================================================ */
.company-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 48px;
}

.company-btn {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(16px);
    animation: fadeUp 0.5s ease-out forwards;
}

.company-btn:nth-child(1) {
    animation-delay: 0.9s;
}

.company-btn:nth-child(2) {
    animation-delay: 0.95s;
}

.company-btn:nth-child(3) {
    animation-delay: 1.0s;
}

.company-btn:nth-child(4) {
    animation-delay: 1.05s;
}

.company-btn:hover {
    background: var(--color-bg-card);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.company-btn .company-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.company-btn .company-icon img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    opacity: 0.85;
}

.company-btn:hover .company-icon img {
    opacity: 1;
}

.company-btn .company-name {
    flex: 1;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.company-btn:hover .company-name {
    color: var(--color-text-primary);
}

.company-btn .link-arrow {
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.company-btn .link-arrow svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.company-btn:hover .link-arrow {
    color: var(--color-text-secondary);
    transform: translateX(3px);
}

/* ============================================================
   FOOTER
   ============================================================ */
.linktree-footer {
    margin-top: auto;
    text-align: center;
    padding: 24px 0;
    opacity: 0;
    animation: fadeUp 0.5s ease-out 1.1s forwards;
}

.footer-brand-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
    margin-bottom: 8px;
}

.footer-brand-link:hover {
    color: var(--color-text-secondary);
}

.footer-brand-link img {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    opacity: 0.5;
}

.footer-brand-link span {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.06em;
}

.footer-social-row {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
}

.footer-social-row a {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.footer-social-row a:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #0a0a0a;
    transform: translateY(-2px);
}

.footer-social-row a svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.footer-copy {
    font-size: 0.7rem;
    color: var(--color-text-muted);
}

.footer-copy a {
    color: var(--color-text-secondary);
}

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

/* ============================================================
   404 PAGE
   ============================================================ */
.page-404 {
    justify-content: center;
    align-items: center;
    text-align: center;
}

.page-404 .link-stack {
    max-width: 400px;
    width: 100%;
}

.error-subtitle {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.error-description {
    font-size: 0.92rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 360px;
    margin: 0 auto 32px;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 520px) {
    .linktree-wrapper {
        padding: 32px 16px 32px;
    }

    .profile-avatar {
        width: 100px;
        height: 100px;
    }

    .profile-name {
        font-size: 1.4rem;
    }

    .link-btn {
        padding: 14px 18px;
    }

    .link-btn .link-icon {
        width: 36px;
        height: 36px;
        min-width: 36px;
    }

    .link-btn .link-icon svg {
        width: 16px;
        height: 16px;
    }
}