/* Apple-like portfolio style with dark mode + subtle animations */

/* Fonts */
@font-face {
    font-family: "SF Pro";
    src: local("SF Pro"), local("SFPro");
    font-weight: 300 700;
}

/* Light Mode Defaults */
:root {
    --bg: #ffffff;
    --text: #111111;
    --subtle-text: #555555;
    --border: #e5e5e5;
    --card-bg: #fafafa;
    --accent: #0a84ff;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #000000;
        --text: #f2f2f2;
        --subtle-text: #bbbbbb;
        --border: #333333;
        --card-bg: #111111;
        --accent: #0a84ff; /* keep blue */
    }
}

/* Global */
body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "SF Pro", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    transition: background 0.4s ease, color 0.4s ease;
}

/* Layout */
.wrapper {
    max-width: 820px;
    margin: 0 auto;
    padding: 40px 20px;
    animation: fadeIn 0.6s ease;
}

/* Fade-in animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Header */
header {
    text-align: center;
    padding: 30px 0;
    border-bottom: 1px solid var(--border);
    transition: border-color 0.4s ease;
}

nav a {
    margin: 0 18px;
    font-size: 16px;
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    opacity: 0.8;
    transition: color 0.25s ease, opacity 0.25s ease;
}

nav a:hover {
    opacity: 1;
    color: var(--accent);
}

/* Titles */
h1, h2, h3 {
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 15px;
    transition: color 0.4s ease;
}

h1 { font-size: 36px; }
h2 { font-size: 28px; margin-top: 50px; }

/* Buttons */
a.button {
    display: inline-block;
    padding: 12px 24px;
    background: var(--accent);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.25s ease, transform 0.2s ease;
}

a.button:hover {
    background: #006edc;
    transform: translateY(-2px);
}

/* Links */
a {
    color: var(--accent);
    transition: color 0.25s ease;
}

/* Cards */
.card {
    border: 1px solid var(--border);
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 25px;
    background: var(--card-bg);
    transition: transform 0.2s ease, background 0.4s ease, border-color 0.4s ease;
}

.card:hover {
    transform: translateY(-3px);
}

/* Contact Form */
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input, textarea {
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--text);
    font-size: 16px;
    transition: background 0.4s ease, border-color 0.4s ease, color 0.4s ease;
}

textarea { min-height: 140px; }

button {
    padding: 14px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.25s ease, transform 0.2s ease;
}

button:hover {
    background: #006edc;
    transform: translateY(-2px);
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 0;
    color: var(--subtle-text);
    font-size: 14px;
    border-top: 1px solid var(--border);
    margin-top: 60px;
    transition: color 0.4s ease, border-color 0.4s ease;
}