/* ═══════════════════════════════════════════
   Diego. Gerardo. Serra – CV Online
   Premium Dark-First Design System
   ═══════════════════════════════════════════ */

:root {
    --bg-body: #06070b;
    --bg-card: rgba(12, 13, 20, 0.65);
    --text-main: #eef0f6;
    --text-muted: #9ba2b5;
    --accent: #7c8cf8;
    --accent-hover: #5b6ef0;
    --border: #1e2035;
    --glow-color: rgba(124, 140, 248, 0.12);

    /* Antigravity-style fluid blob colors */
    --blob-1: rgba(66, 133, 244, 0.45);
    --blob-2: rgba(161, 66, 244, 0.40);
    --blob-3: rgba(36, 193, 224, 0.30);
    --blob-4: rgba(124, 58, 237, 0.35);
}

.light-mode {
    --bg-body: #f0f2f8;
    --bg-card: rgba(255, 255, 255, 0.60);
    --text-main: #0c0e1a;
    --text-muted: #4a4f6a;
    --border: #d4d8e8;
    --glow-color: rgba(124, 140, 248, 0.08);

    --blob-1: rgba(66, 133, 244, 0.25);
    --blob-2: rgba(161, 66, 244, 0.20);
    --blob-3: rgba(36, 193, 224, 0.22);
    --blob-4: rgba(124, 58, 237, 0.18);
}

/* ─── Fluid Background ─── */
.fluid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: var(--bg-body);
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 1;
    will-change: transform;
}

.blob-1 {
    width: 50vmax;
    height: 50vmax;
    background: var(--blob-1);
    top: -20%;
    left: -15%;
    animation: blob1Move 24s ease-in-out infinite alternate;
}

.blob-2 {
    width: 40vmax;
    height: 40vmax;
    background: var(--blob-2);
    top: 25%;
    right: -10%;
    animation: blob2Move 28s ease-in-out infinite alternate;
}

.blob-3 {
    width: 45vmax;
    height: 45vmax;
    background: var(--blob-3);
    bottom: -15%;
    left: 15%;
    animation: blob3Move 26s ease-in-out infinite alternate;
}

.blob-4 {
    width: 35vmax;
    height: 35vmax;
    background: var(--blob-4);
    top: 45%;
    left: 35%;
    animation: blob4Move 22s ease-in-out infinite alternate;
}

@keyframes blob1Move {
    0% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(10vw, 15vh) scale(1.1);
    }

    66% {
        transform: translate(-5vw, 25vh) scale(0.95);
    }

    100% {
        transform: translate(15vw, 5vh) scale(1.05);
    }
}

@keyframes blob2Move {
    0% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(-15vw, 10vh) scale(1.15);
    }

    66% {
        transform: translate(-10vw, -15vh) scale(0.9);
    }

    100% {
        transform: translate(-20vw, 5vh) scale(1.1);
    }
}

@keyframes blob3Move {
    0% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(15vw, -10vh) scale(1.05);
    }

    66% {
        transform: translate(-10vw, -20vh) scale(1.15);
    }

    100% {
        transform: translate(5vw, -15vh) scale(0.95);
    }
}

@keyframes blob4Move {
    0% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(-20vw, -15vh) scale(1.2);
    }

    66% {
        transform: translate(10vw, 10vh) scale(0.85);
    }

    100% {
        transform: translate(-10vw, 20vh) scale(1.1);
    }
}

/* ─── Theme Toggle ─── */
#theme-toggle {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-main);
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

#theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
    border-color: var(--accent);
}

#theme-toggle svg {
    width: 1.4rem;
    height: 1.4rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.light-mode #icon-sun {
    display: none;
}

.light-mode #icon-moon {
    display: block;
}

#icon-sun {
    display: block;
}

#icon-moon {
    display: none;
}

/* ─── Base Reset ─── */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: transparent;
    color: var(--text-main);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 5rem 1.5rem;
    position: relative;
    z-index: 1;
}

/* ─── Scroll Reveal Animation ─── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Stagger delays via CSS nth-child */
.reveal:nth-child(1) {
    transition-delay: 0.0s;
}

.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: 0.40s;
}

.reveal:nth-child(7) {
    transition-delay: 0.48s;
}

/* ─── Header ─── */
.header {
    margin-bottom: 3.5rem;
    text-align: left;
}

.header h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #eef0f6, #7c8cf8, #a78bfa);
    background-size: 200% 200%;
    animation: nameGradient 6s ease infinite;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.light-mode .header h1 {
    background: linear-gradient(135deg, #0c0e1a, #5b6ef0, #7c3aed);
    background-size: 200% 200%;
    animation: nameGradient 6s ease infinite;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header h2 {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.location {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ─── Cards with Spotlight Effect ─── */
section {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 2.5rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    border: 1px solid var(--border);
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1),
        border-color 0.4s ease,
        box-shadow 0.4s ease;
    position: relative;
    overflow: hidden;
}

/* Spotlight radial glow that follows the mouse */
.card-spotlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            var(--glow-color),
            transparent 40%);
    z-index: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card-spotlight:hover::before {
    opacity: 1;
}

/* Glowing border on hover */
section:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 0 25px rgba(124, 140, 248, 0.15),
        0 8px 32px rgba(0, 0, 0, 0.4);
}

.light-mode section:hover {
    box-shadow: 0 0 20px rgba(124, 140, 248, 0.12),
        0 8px 32px rgba(0, 0, 0, 0.08);
}

/* Content inside cards stays above the spotlight */
section>* {
    position: relative;
    z-index: 1;
}

h3 {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    color: var(--text-main);
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.75rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

p,
li {
    color: var(--text-muted);
}

p+p {
    margin-top: 1rem;
}

p:last-child {
    margin-bottom: 0;
}

strong {
    color: var(--text-main);
    font-weight: 600;
}

ul {
    padding-left: 1.5rem;
    color: var(--text-muted);
}

li {
    margin-bottom: 0.5rem;
}

/* ─── Skills ─── */
.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skills span {
    background: rgba(124, 140, 248, 0.08);
    color: var(--accent);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(124, 140, 248, 0.18);
    transition: all 0.3s ease;
}

.skills span:hover {
    background: rgba(124, 140, 248, 0.18);
    transform: translateY(-2px);
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(124, 140, 248, 0.2);
}

/* ─── Actions ─── */
.actions {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    margin-top: 1rem;
    text-align: center;
}

.actions::before {
    display: none !important;
}

.actions:hover {
    transform: none !important;
    box-shadow: none !important;
    border-color: transparent !important;
}

.button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent);
    color: white;
    padding: 0.85rem 2rem;
    border-radius: 9999px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.button:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 20px -4px rgba(91, 110, 240, 0.4);
}

.button-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.button-outline:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* ─── CTA Section ─── */
.cta {
    text-align: center;
    padding: 3rem 2.5rem;
}

.cta h3 {
    border-bottom: none;
    text-align: center;
    font-size: 1.6rem;
    padding-bottom: 0;
    margin-bottom: 1rem;
}

.cta-text {
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto 2rem auto;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ─── Footer ─── */
footer {
    text-align: center;
    margin-top: 3rem;
    padding-bottom: 2rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

footer a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* ─── Keyframes ─── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes nameGradient {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
    .container {
        padding: 3rem 1rem;
    }

    .header h1 {
        font-size: 2.5rem;
    }

    .header h2 {
        font-size: 1.2rem;
    }

    section {
        padding: 1.75rem;
    }

    .cta {
        padding: 2rem 1.5rem;
    }

    .cta h3 {
        font-size: 1.3rem;
    }

    .avatar {
        width: 4rem;
        height: 4rem;
        font-size: 1.1rem;
    }
}