/* ============================================
   HOME PAGE — Hero, Stats, Skills
   rolandmantama.ch
   ============================================ */

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--space-4xl) var(--container-padding);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(236, 72, 153, 0.08) 0%, transparent 50%);
    z-index: 0;
    animation: gradientShift 12s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__canvas {
    width: 100%;
    height: 100%;
    opacity: 0.08;
}

[data-theme="dark"] .hero__canvas {
    opacity: 0.15;
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero__greeting {
    font-size: var(--text-lg);
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: var(--space-sm);
    font-family: var(--font-mono);
}

.hero__title {
    font-size: var(--text-6xl);
    font-weight: 900;
    margin-bottom: var(--space-md);
    letter-spacing: -0.03em;
    text-shadow: 0 2px 30px rgba(14, 165, 233, 0.2);
}

.hero__prefix {
    color: var(--color-accent);
    font-weight: 400;
    text-shadow: 0 0 20px rgba(14, 165, 233, 0.5), 0 0 40px rgba(14, 165, 233, 0.2);
}

.hero__subtitle {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
    font-weight: 400;
}

.hero__mantra {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-style: italic;
    margin-bottom: var(--space-2xl);
}

.hero__actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero__actions .btn--primary {
    background: linear-gradient(135deg, #0ea5e9, #8b5cf6);
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.4);
    transition: all 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
.hero__actions .btn--primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(14, 165, 233, 0.5), 0 0 60px rgba(139, 92, 246, 0.2);
}
.hero__actions .btn--outline {
    border-color: rgba(14, 165, 233, 0.5);
    backdrop-filter: blur(8px);
    background: rgba(14, 165, 233, 0.05);
}
.hero__actions .btn--outline:hover {
    background: rgba(14, 165, 233, 0.15);
    border-color: var(--color-accent);
    transform: translateY(-3px);
}

/* --- Stats (monday.com-inspired counters) --- */
.stats {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-secondary);
}

.stats__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    text-align: center;
}

@media (max-width: 767px) {
    .stats__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stats__item {
    padding: var(--space-xl);
    background: var(--color-card-bg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
    transition: transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow var(--transition-normal);
}

.stats__item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-accent);
}

.stats__item:nth-child(1)::after { background: linear-gradient(90deg, #0ea5e9, #06b6d4); }
.stats__item:nth-child(2)::after { background: linear-gradient(90deg, #8b5cf6, #a78bfa); }
.stats__item:nth-child(3)::after { background: linear-gradient(90deg, #10b981, #34d399); }
.stats__item:nth-child(4)::after { background: linear-gradient(90deg, #f59e0b, #fbbf24); }

.stats__item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--color-accent-glow);
}

.stats__number {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 900;
    color: var(--color-accent);
    line-height: 1;
}

.stats__suffix {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-accent);
}

.stats__item:nth-child(1) .stats__number,
.stats__item:nth-child(1) .stats__suffix { color: #0ea5e9; }
.stats__item:nth-child(2) .stats__number,
.stats__item:nth-child(2) .stats__suffix { color: #8b5cf6; }
.stats__item:nth-child(3) .stats__number,
.stats__item:nth-child(3) .stats__suffix { color: #10b981; }
.stats__item:nth-child(4) .stats__number,
.stats__item:nth-child(4) .stats__suffix { color: #f59e0b; }

.stats__label {
    display: block;
    margin-top: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-weight: 500;
}

/* --- Skills --- */
.skills {
    padding: var(--space-5xl) 0;
}

.skills__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.skills__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

/* Last row: 2 items centered under the 3 above */
.skills__category:nth-child(4) {
    grid-column: 1 / 2;
    justify-self: stretch;
}

.skills__category:nth-child(5) {
    grid-column: 2 / 3;
    justify-self: stretch;
}

@media (min-width: 768px) {
    /* Center the last 2 items: offset them to sit under the gap between 1-2 and 2-3 */
    .skills__grid {
        grid-template-columns: repeat(6, 1fr);
    }
    .skills__category:nth-child(1) { grid-column: 1 / 3; }
    .skills__category:nth-child(2) { grid-column: 3 / 5; }
    .skills__category:nth-child(3) { grid-column: 5 / 7; }
    .skills__category:nth-child(4) { grid-column: 2 / 4; justify-self: stretch; }
    .skills__category:nth-child(5) { grid-column: 4 / 6; justify-self: stretch; }
}

@media (max-width: 767px) {
    .skills__grid {
        grid-template-columns: 1fr;
    }
    .skills__category:nth-child(4),
    .skills__category:nth-child(5) {
        grid-column: auto;
        justify-self: auto;
    }
}

.skills__category {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.skills__category:nth-child(1) { border-left-color: #0ea5e9; }
.skills__category:nth-child(2) { border-left-color: #8b5cf6; }
.skills__category:nth-child(3) { border-left-color: #10b981; }
.skills__category:nth-child(4) { border-left-color: #f59e0b; }
.skills__category:nth-child(5) { border-left-color: #ec4899; }

.skills__category:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 24px var(--color-accent-glow);
    transform: translateY(-4px);
}

.skills__category-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--color-accent);
    font-family: var(--font-mono);
}

.skills__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.skills__tag {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: var(--text-xs);
    font-weight: 500;
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.skills__tag:hover {
    background: var(--color-accent-glow);
    color: var(--color-accent);
}

.skills__category:nth-child(1) .skills__tag:hover { background: rgba(14, 165, 233, 0.15); color: #0ea5e9; }
.skills__category:nth-child(2) .skills__tag:hover { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }
.skills__category:nth-child(3) .skills__tag:hover { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.skills__category:nth-child(4) .skills__tag:hover { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.skills__category:nth-child(5) .skills__tag:hover { background: rgba(236, 72, 153, 0.15); color: #ec4899; }

/* --- Hero Profile Photo --- */
.hero__profile {
    margin-bottom: var(--space-xl);
}

.hero__photo {
    width: 180px;
    height: 180px;
    margin: 0 auto;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid transparent;
    background-image: linear-gradient(var(--color-bg-primary), var(--color-bg-primary)), linear-gradient(135deg, #0ea5e9, #8b5cf6, #ec4899, #0ea5e9);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    box-shadow: 0 0 30px var(--color-accent-glow), 0 0 60px rgba(14, 165, 233, 0.08);
    position: relative;
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 30px var(--color-accent-glow), 0 0 60px rgba(14, 165, 233, 0.08); }
    50% { box-shadow: 0 0 40px rgba(14, 165, 233, 0.3), 0 0 80px rgba(139, 92, 246, 0.15); }
}

.hero__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__photo-placeholder {
    display: none;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 900;
    color: var(--color-accent);
}

/* --- Hero Code Badge --- */
.hero__code-badge {
    display: inline-block;
    background: rgba(41, 37, 36, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-xl);
    margin-bottom: var(--space-xl);
    text-align: left;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    line-height: 1.8;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
}

.hero__code-line {
    display: block;
    white-space: pre;
}

.hero__code-keyword { color: #c678dd; }
.hero__code-class { color: #e5c07b; }
.hero__code-var { color: #e06c75; }
.hero__code-string { color: #98c379; }

[data-theme="dark"] .hero__code-badge {
    background: #0d0d0d;
    border-color: #333;
}

@media (max-width: 767px) {
    .hero__photo {
        width: 140px;
        height: 140px;
    }

    .hero__code-badge {
        font-size: 0.7rem;
        padding: var(--space-sm) var(--space-md);
    }
}