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

:root {
    --primary: #f36132;
    --secondary: #2ea44f;
    --dark: #24292e;
    --light: #f6f8fa;
    --background: #ffffff;
    --surface: #ffffff;
    --surface-muted: #f6f8fa;
    --text: #24292e;
    --text-muted: #57606a;
    --border: #d0d7de;
    --shadow: rgba(0, 0, 0, 0.05);
}

html {
    color-scheme: light dark;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
}

iconify-icon {
    display: inline-block;
    /* width: 4.05em; */
    /* height: 1.05em; */
    vertical-align: middle;
    margin-right: 0.35rem;
    color: inherit;
}

@media (prefers-color-scheme: dark) {
    :root {
        --background: #0f1720;
        --surface: #161b22;
        --surface-muted: #111827;
        --text: #d8e3ff;
        --text-muted: #94a3b8;
        --border: #30363d;
        --shadow: rgba(0, 0, 0, 0.45);
        --primary: #ff8b60;
        --secondary: #3fb950;
    }
}


/* Header - Sticky */
header {
    position: sticky;
    top: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    box-shadow: 0 2px 8px var(--shadow);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text);
}

.header-links {
    display: flex;
    gap: 1rem;
}

.cv-link {
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.cv-link.devrel {
    background-color: var(--primary);
    color: white;
}

.cv-link.devrel:hover {
    background-color: #d64f26;
    transform: translateY(-2px);
}

.cv-link.dev {
    background-color: var(--secondary);
    color: white;
}

.cv-link.dev:hover {
    background-color: #268a42;
    transform: translateY(-2px);
}

/* Main Container */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 1.25rem;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.45)), url("images/Linkedin banner.png") center/cover no-repeat;
    border-radius: 14px;
    margin-bottom: 1.5rem;
    margin-top: 1.5rem;
    color: white;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: white;
}

.hero .subtitle {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 1rem;
    font-weight: 600;
}


/* Why Transition Section */
.why-section {
    margin-bottom: 2rem;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text);
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

.why-content {
    background: var(--surface-muted);
    padding: 1.2rem;
    border-radius: 14px;
    margin-bottom: 1.1rem;
}

.why-content h3 {
    color: var(--primary);
    margin-bottom: 0.8rem;
    font-size: 1.25rem;
}

.why-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.85rem;
    margin-top: 0.9rem;
}

.why-card {
    position: relative;
    width: min(100%, 260px);
    padding: 1rem 1.1rem;
    border-radius: 1.5rem;
    box-shadow: 0 18px 30px rgba(15, 23, 40, 0.12);
    color: var(--dark);
    background: var(--surface);
    transform: rotate(var(--sticker-rotate, 0deg));
}

.why-card::before {
    content: '';
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.2);
}

.why-card h4 {
    margin-bottom: 0.7rem;
    font-size: 1rem;
    line-height: 1.35;
    color: var(--dark);
}

.why-card p {
    color: var(--dark);
    font-size: 0.92rem;
    line-height: 1.45;
    margin: 0;
}

.sticker-yellow {
    background: #fff9c8;
}

.sticker-pink {
    background: #ffe4f1;
}

.sticker-blue {
    background: #dcecff;
}

.sticker-green {
    background: #e4fbe7;
}

.sticker-cream {
    background: #fff8ec;
}

.sticker-lavender {
    background: #f2e7ff;
}

.rotate-1 {
    --sticker-rotate: -1.2deg;
}

.rotate-2 {
    --sticker-rotate: 0.9deg;
}

.rotate-3 {
    --sticker-rotate: -0.7deg;
}

.rotate-4 {
    --sticker-rotate: 1.3deg;
}

.rotate-5 {
    --sticker-rotate: -1.1deg;
}

.rotate-6 {
    --sticker-rotate: 0.6deg;
}

@media (max-width: 1024px) {
    .why-card {
        flex: 0 0 calc(50% - 0.85rem);
        max-width: calc(50% - 0.85rem);
    }
}

@media (max-width: 768px) {
    .why-card {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* Timeline Section */
.timeline-section {
    margin-bottom: 4rem;
}

.timeline-container {
    position: relative;
    padding: 2rem 0;
}

/* Central line */
.timeline-container::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background: var(--border);
    top: 0;
}

.timeline-item {
    margin-bottom: 2rem;
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: 52%;
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 52%;
    margin-right: 0;
    text-align: left;
}

/* Timeline dot */
.timeline-dot {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--primary);
    border: 4px solid white;
    border-radius: 50%;
    z-index: 10;
}

.timeline-item:nth-child(even) .timeline-dot {
    background: var(--secondary);
}

.timeline-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--primary);
}

.timeline-content h4 {
    color: var(--text);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.timeline-content .category {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.timeline-item:nth-child(even) .timeline-content .category {
    background: var(--secondary);
}

.timeline-content p {
    color: var(--text);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.timeline-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.embed-container {
    margin-top: 1.5rem;
    width: 100%;
    max-width: 560px;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    background: var(--surface);
}

.embed-container iframe {
    width: 100%;
    min-height: 520px;
    border: 0;
    display: block;
}

.embed-container iframe[src*="instagram.com"] {
    height: 800px;
}

.embed-container iframe[src*="tiktok.com"] {
    height: 620px;
}

.timeline-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.9rem;
    background: var(--surface-muted);
    color: var(--primary);
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.2s;
    border: 1px solid var(--border);
}

.timeline-link iconify-icon {
    margin-right: 0;
}

.timeline-link:hover {
    background: var(--primary);
    color: white;
    text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .header-links {
        flex-direction: column;
        width: 100%;
    }

    .cv-link {
        width: 100%;
        text-align: center;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    /* Timeline on mobile */
    .timeline-container::before {
        left: 8px;
    }

    .timeline-dot {
        left: 8px;
        transform: translateX(-50%);
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 40px;
        margin-right: 0;
        text-align: left;
    }

    .why-grid {
        grid-template-columns: 1fr;
    }
}

/* Footer */
footer {
    background: var(--surface-muted);
    border-top: 1px solid var(--border);
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
    color: var(--text);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s ease;
}

.social-link iconify-icon {
    font-size: 1.8rem;
    width: 1.8em;
    height: 1.8em;
}

.social-link:hover {
    color: var(--primary);
}