/* --- 1. GLOBAL SETTINGS & VARIABLES --- */
:root {
    --primary: #3498db;
    --primary-dark: #2980b9;
    --accent-green: #25D366;
    --white: #ffffff;
    --transition: 0.6s cubic-bezier(0.65, 0, 0.35, 1);
    --bg-body: #ffffff;
    --bg-card: #f8f9fa;
    --bg-nav: rgba(255, 255, 255, 0.8);
    --text-main: #2c3e50;
    --text-muted: #7f8c8d;
    --border: rgba(0, 0, 0, 0.08);
}

.dark-theme {
    --bg-body: #121212;
    --bg-card: #1e1e1e;
    --bg-nav: rgba(30, 30, 30, 0.8);
    --text-main: #e0e0e0;
    --text-muted: #b0b0b0;
    --border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body,
html {
    height: 100%;
    width: 100%;
    overflow: hidden;
    font-family: 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    touch-action: none;
}

/* --- 2. BOTTOM NAVIGATION --- */
nav {
    position: fixed;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-nav);
    backdrop-filter: blur(15px) saturate(180%);
    -webkit-backdrop-filter: blur(15px) saturate(180%);
    border: 1px solid var(--border);
    border-radius: 100px;
    display: flex;
    align-items: center;
    padding: 8px 15px;
    z-index: 9999;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    gap: 5px;
}

.nav-link {
    color: var(--text-main);
    text-decoration: none;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.4s ease;
    font-size: 1.2rem;
    opacity: 0.5;
}

.nav-link.active {
    opacity: 1;
    background: var(--primary);
    color: white;
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}

.theme-toggle-nav {
    margin-left: 10px;
    padding-left: 10px;
    border-left: 1px solid var(--border);
}

/* --- 3. LAYOUT ENGINE --- */
.wrapper {
    height: 100vh;
    width: 100vw;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition);
    will-change: transform;
}

section {
    height: 100vh;
    width: 100vw;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 20px 100px;
    overflow-y: auto;
    scrollbar-width: none;
}

section::-webkit-scrollbar {
    display: none;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: auto 0;
}

/* --- 4. BENTO & CARDS --- */
.about-bento {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: 15px;
    width: 100%;
}

.bento-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: var(--transition);
}

.bento-item:hover {
    border-color: var(--primary);
    transform: scale(1.02);
}

.bento-main {
    grid-column: span 2;
    grid-row: span 2;
    text-align: left;
    display: flex;
    flex-direction: row !important;
    align-items: center;
    gap: 20px;
}

.profile-img {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    border: 3px solid var(--primary);
    object-fit: cover;
}

/* --- 5. SKILLS SECTION --- */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 20px;
    width: 100%;
    padding: 10px;
}

.skill-card-modern {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.skill-card-modern:hover {
    transform: translateY(-10px);
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 15px 30px rgba(52, 152, 219, 0.3);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
    transition: transform 0.3s ease;
}

.skill-card-modern:hover .skill-icon {
    transform: scale(1.2) rotate(5deg);
}

.skill-card-modern:hover h3,
.skill-card-modern:hover p {
    color: white;
}

.skill-level {
    height: 4px;
    width: 40px;
    background: var(--primary);
    margin: 12px auto 0;
    border-radius: 10px;
    transition: all 0.3s;
}

.skill-card-modern:hover .skill-level {
    background: white;
    width: 80px;
}

/* --- 6. CONTACT WRAPPER --- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 1.8fr;
    background: var(--bg-card);
    border-radius: 32px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.contact-info-panel {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: 40px;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-form-panel {
    padding: 40px;
    background: var(--bg-card);
}

.social-links-modern {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icon-btn {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-icon-btn:hover {
    background: white;
    color: var(--primary);
    transform: translateY(-5px);
}

.input-group-modern {
    position: relative;
    margin-bottom: 20px;
}

.input-group-modern input,
.input-group-modern textarea {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border-radius: 15px;
    border: 1px solid var(--border);
    background: var(--bg-body);
    color: var(--text-main);
    transition: all 0.3s;
    font-size: 16px;
}

.btn-gradient {
    background: linear-gradient(90deg, #25D366, #128C7E);
    color: white;
    border: none;
    padding: 16px;
    border-radius: 15px;
    width: 100%;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.modern-footer {
    margin-top: 30px;
    text-align: center;
    font-size: 0.8rem;
    opacity: 0.6;
}

/* --- 7. RESPONSIVE --- */
@media (max-width: 768px) {
    .about-bento {
        grid-template-columns: repeat(2, 1fr);
    }

    .bento-main {
        grid-column: span 2;
        flex-direction: column !important;
        text-align: center;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .contact-info-panel {
        padding: 30px;
        text-align: center;
        align-items: center;
    }

    .contact-form-panel {
        padding: 30px 20px;
    }

    section {
        justify-content: flex-start;
        padding-top: 60px;
    }
}

@media (max-width: 480px) {
    .skills-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

}
.social-icon-btn {
    font-size: 1.2rem;
}