/* =====================================================
   RESET
===================================================== */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: "Poppins", sans-serif;
    background: #0B1120;
    color: #F8FAFC;
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
}


/* =====================================================
   VARIABLES
===================================================== */

:root {
    --background: #0B1120;
    --card: #111827;
    --primary: #6366F1;
    --secondary: #8B5CF6;
    --text: #F8FAFC;
    --text-secondary: #94A3B8;
    --border: #1E293B;

    --gradient: linear-gradient(
        135deg,
        #6366F1,
        #8B5CF6
    );

    --radius: 18px;
    --transition: 0.25s ease;
}


/* =====================================================
   LIGHT MODE
===================================================== */

body.light-mode {
    --background: #F8FAFC;
    --card: #FFFFFF;
    --text: #0F172A;
    --text-secondary: #64748B;
    --border: #E2E8F0;

    background: var(--background);
    color: var(--text);
}

body.light-mode .navbar {
    background: rgba(248, 250, 252, 0.82);
}

body.light-mode .hero-description,
body.light-mode .section-heading > p,
body.light-mode .about-description p,
body.light-mode .hobby-card p,
body.light-mode .contact-box > p {
    color: var(--text-secondary);
}

body.light-mode .info-item,
body.light-mode .hobby-card,
body.light-mode .social-card,
body.light-mode .favorite-card,
body.light-mode .contact-box {
    box-shadow: 0 15px 40px rgba(15, 23, 42, 0.06);
}


/* =====================================================
   BACKGROUND GLOW
===================================================== */

.background-glow {
    position: fixed;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.08;
    pointer-events: none;
    z-index: -1;
}

.glow-one {
    background: #6366F1;
    top: -200px;
    left: -150px;
}

.glow-two {
    background: #8B5CF6;
    bottom: -220px;
    right: -150px;
}


/* =====================================================
   NAVBAR
===================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 72px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 0 7%;

    background: rgba(11, 17, 32, 0.72);
    backdrop-filter: blur(18px);

    border-bottom: 1px solid rgba(148, 163, 184, 0.08);

    z-index: 1000;

    transition: background var(--transition);
}

.logo {
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: -2px;
}

.logo span {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    position: relative;

    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 500;

    transition: color var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text);
}

.nav-link::after {
    content: "";

    position: absolute;
    left: 50%;
    bottom: -8px;

    width: 0;
    height: 2px;

    background: var(--gradient);
    border-radius: 10px;

    transform: translateX(-50%);
    transition: width var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 20px;
}

.theme-toggle {
    width: 40px;
    height: 40px;

    border: 1px solid var(--border);
    border-radius: 50%;

    background: var(--card);
    color: var(--text);

    cursor: pointer;

    transition:
        transform var(--transition),
        border var(--transition);
}

.theme-toggle:hover {
    transform: rotate(15deg);
    border-color: var(--primary);
}


/* =====================================================
   SECTION
===================================================== */

.section {
    width: min(1100px, 90%);
    min-height: 100vh;

    margin: auto;

    padding: 120px 0 80px;
}

.section-heading {
    text-align: center;
    margin-bottom: 55px;
}

.section-label {
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.section-heading h2,
.contact-box h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.2;
    margin-bottom: 12px;
}

.section-heading h2 span,
.contact-box h2 span {
    background: var(--gradient);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.section-heading > p:last-child {
    color: var(--text-secondary);
    font-size: 0.9rem;
}


/* =====================================================
   HERO
===================================================== */

.hero {
    position: relative;

    display: flex;
    align-items: center;
    justify-content: center;

    text-align: center;

    padding-top: 100px;
}

.hero-content {
    max-width: 720px;
    animation: fadeIn 0.8s ease forwards;
}

.profile-ring {
    position: relative;

    width: 150px;
    height: 150px;

    padding: 4px;

    margin: 0 auto 25px;

    border-radius: 50%;

    background: linear-gradient(
        135deg,
        #6366F1,
        #8B5CF6,
        #6366F1
    );

    box-shadow:
        0 0 35px rgba(99, 102, 241, 0.13);

    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
}

.profile-ring:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow:
        0 12px 45px rgba(99, 102, 241, 0.2);
}

.profile-ring::before {
    content: "";

    position: absolute;
    inset: -5px;

    border-radius: 50%;

    border: 1px solid rgba(139, 92, 246, 0.25);

    pointer-events: none;
}

.profile-image {
    width: 100%;
    height: 100%;

    object-fit: cover;

    display: block;

    border-radius: 50%;

    border: 4px solid var(--background);

    transition: border-color var(--transition);
}

.greeting {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 4.8rem);
    line-height: 1.05;
    letter-spacing: -2px;
}

.hero h1 span {
    display: block;

    background: var(--gradient);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.hero-description {
    max-width: 600px;

    margin: 22px auto 30px;

    color: var(--text-secondary);

    font-size: 0.95rem;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;

    min-height: 46px;

    padding: 0 22px;

    border-radius: 999px;

    font-size: 0.85rem;
    font-weight: 600;

    transition:
        transform var(--transition),
        box-shadow var(--transition);
}

.primary-btn {
    background: var(--gradient);
    color: white;

    box-shadow:
        0 8px 25px rgba(99, 102, 241, 0.18);
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow:
        0 12px 30px rgba(99, 102, 241, 0.3);
}

.secondary-btn {
    border: 1px solid var(--border);
    background: var(--card);
}

.secondary-btn:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
}

.quick-social {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 28px;
}

.quick-social a {
    width: 40px;
    height: 40px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1px solid var(--border);
    border-radius: 50%;

    color: var(--text-secondary);
    background: rgba(17, 24, 39, 0.45);

    transition: all var(--transition);
}

.quick-social a:hover {
    color: white;
    background: var(--gradient);
    border-color: transparent;
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;

    bottom: 25px;
    left: 50%;

    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;

    transform: translateX(-50%);

    color: var(--text-secondary);
    font-size: 0.65rem;
}

.scroll-indicator i {
    animation: bounce 1.5s infinite;
}


/* =====================================================
   ABOUT
===================================================== */

.about-container {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;

    align-items: center;

    gap: 70px;
}

.about-photo {
    display: flex;
    justify-content: center;
}

.profile-ring.large {
    width: 270px;
    height: 270px;
}

.about-intro {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 28px;
}

.about-intro strong {
    color: var(--text);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.info-item {
    padding: 16px;

    background: var(--card);

    border: 1px solid var(--border);
    border-radius: 14px;

    transition:
        transform var(--transition),
        border var(--transition);
}

.info-item:hover {
    transform: translateY(-3px);
    border-color: rgba(99, 102, 241, 0.5);
}

.info-item span {
    display: block;

    color: var(--text-secondary);

    font-size: 0.72rem;
    margin-bottom: 4px;
}

.info-item span i {
    margin-right: 5px;
    color: var(--primary);
}

.info-item strong {
    font-size: 0.82rem;
}

.about-description {
    margin: 22px 0;
}

.about-description p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.badge-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.about-badge {
    display: flex;
    align-items: center;
    gap: 10px;

    padding: 10px 14px;

    background: var(--card);
    border: 1px solid var(--border);

    border-radius: 14px;

    transition: transform var(--transition);
}

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

.badge-icon {
    font-size: 1.3rem;
}

.about-badge strong,
.about-badge small {
    display: block;
}

.about-badge strong {
    font-size: 0.75rem;
}

.about-badge small {
    color: var(--text-secondary);
    font-size: 0.6rem;
}


/* =====================================================
   HOBBY
===================================================== */

.hobby-grid {
    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 16px;
}

.hobby-card {
    padding: 25px;

    background: var(--card);

    border: 1px solid var(--border);

    border-radius: var(--radius);

    transition:
        transform var(--transition),
        border var(--transition),
        box-shadow var(--transition);
}

.hobby-card:hover {
    transform: translateY(-7px);

    border-color: rgba(99, 102, 241, 0.5);

    box-shadow:
        0 15px 35px rgba(0, 0, 0, 0.12);
}

.card-icon {
    width: 52px;
    height: 52px;

    display: flex;
    align-items: center;
    justify-content: center;

    margin-bottom: 20px;

    background: rgba(99, 102, 241, 0.08);

    border-radius: 14px;

    font-size: 1.5rem;
}

.hobby-card h3 {
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.hobby-card p {
    color: var(--text-secondary);
    font-size: 0.78rem;
}

.favorite-card {
    display: grid;
    grid-template-columns: 1fr 1fr;

    margin-top: 25px;

    padding: 25px;

    background: var(--card);

    border: 1px solid var(--border);

    border-radius: var(--radius);
}

.favorite-card > div + div {
    padding-left: 25px;
    border-left: 1px solid var(--border);
}

.favorite-label {
    color: var(--primary);

    font-size: 0.65rem;
    font-weight: 600;

    letter-spacing: 1.5px;
}

.favorite-card h3 {
    margin-top: 5px;

    font-size: 0.95rem;
}

.favorite-card h3 i {
    color: var(--secondary);
    margin-right: 7px;
}

.favorite-card small {
    color: var(--text-secondary);
    font-size: 0.72rem;
}


/* =====================================================
   SOCIAL
===================================================== */

.social-grid {
    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 15px;

    max-width: 800px;

    margin: auto;
}

.social-card {
    display: flex;
    align-items: center;

    gap: 15px;

    padding: 18px;

    background: var(--card);

    border: 1px solid var(--border);

    border-radius: var(--radius);

    transition:
        transform var(--transition),
        border var(--transition);
}

.social-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.5);
}

.social-icon {
    width: 48px;
    height: 48px;

    flex-shrink: 0;

    display: flex;
    align-items: center;
    justify-content: center;

    background: rgba(99, 102, 241, 0.08);

    border-radius: 14px;

    font-size: 1.25rem;
}

.social-info {
    flex: 1;
}

.social-info span,
.social-info strong {
    display: block;
}

.social-info span {
    color: var(--text-secondary);
    font-size: 0.68rem;
}

.social-info strong {
    font-size: 0.85rem;
}

.social-arrow {
    color: var(--text-secondary);
    font-size: 0.75rem;

    transition: transform var(--transition);
}

.social-card:hover .social-arrow {
    transform: translate(3px, -3px);
    color: var(--primary);
}


/* =====================================================
   CONTACT
===================================================== */

.contact-section {
    min-height: auto;
}

.contact-box {
    position: relative;

    max-width: 700px;

    margin: auto;

    padding: 60px 30px;

    text-align: center;

    background: var(--card);

    border: 1px solid var(--border);

    border-radius: 24px;

    overflow: hidden;
}

.contact-box::before {
    content: "";

    position: absolute;

    width: 200px;
    height: 200px;

    top: -120px;
    right: -80px;

    border-radius: 50%;

    background: #6366F1;

    filter: blur(100px);

    opacity: 0.12;
}

.contact-icon {
    width: 58px;
    height: 58px;

    display: flex;
    align-items: center;
    justify-content: center;

    margin: 0 auto 20px;

    background: var(--gradient);

    border-radius: 17px;

    font-size: 1.3rem;
}

.contact-box > p:not(.section-label) {
    max-width: 480px;

    margin: 0 auto 25px;

    color: var(--text-secondary);

    font-size: 0.85rem;
}

.email-display {
    margin-top: 20px;

    color: var(--text-secondary);

    font-size: 0.75rem;
}

.email-display i {
    color: var(--primary);
    margin-right: 5px;
}


/* =====================================================
   FOOTER
===================================================== */

footer {
    padding: 30px 20px;

    text-align: center;

    color: var(--text-secondary);

    font-size: 0.7rem;

    border-top: 1px solid var(--border);
}

footer span {
    color: #8B5CF6;
}


/* =====================================================
   MUSIC BUTTON
===================================================== */

.music-toggle {
    position: fixed;

    right: 20px;
    bottom: 20px;

    display: flex;
    align-items: center;
    gap: 7px;

    padding: 11px 16px;

    background: var(--card);

    color: var(--text);

    border: 1px solid var(--border);

    border-radius: 999px;

    font-size: 0.72rem;
    font-weight: 600;

    cursor: pointer;

    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.2);

    z-index: 999;

    transition:
        transform var(--transition),
        border var(--transition);
}

.music-toggle:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
}

.music-toggle.playing {
    border-color: var(--primary);

    box-shadow:
        0 0 20px rgba(99, 102, 241, 0.2);

    animation: musicPulse 1.5s infinite;
}

.music-icon {
    font-size: 0.9rem;
}


/* =====================================================
   SCROLL REVEAL
===================================================== */

.reveal {
    opacity: 0;
    transform: translateY(25px);

    transition:
        opacity 0.6s ease,
        transform 0.6s ease;
}

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


/* =====================================================
   ANIMATIONS
===================================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }

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

@keyframes bounce {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(5px);
    }
}

@keyframes musicPulse {
    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.03);
    }
}


/* =====================================================
   TABLET
===================================================== */

@media (max-width: 900px) {

    .navbar {
        padding: 0 5%;
    }

    .nav-menu {
        gap: 18px;
    }

    .about-container {
        grid-template-columns: 1fr;
        gap: 45px;
        text-align: center;
    }

    .about-info {
        max-width: 700px;
        margin: auto;
    }

    .badge-container {
        justify-content: center;
    }

    .hobby-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}


/* =====================================================
   MOBILE
===================================================== */

@media (max-width: 650px) {

    html {
        scroll-padding-top: 70px;
    }

    .navbar {
        height: 65px;
        padding: 0 18px;
    }

    .nav-menu {
        position: absolute;

        top: 65px;
        left: 0;

        width: 100%;

        padding: 14px 15px;

        justify-content: center;
        gap: 15px;

        overflow-x: auto;

        background: rgba(11, 17, 32, 0.9);
        backdrop-filter: blur(18px);

        border-bottom: 1px solid var(--border);
    }

    body.light-mode .nav-menu {
        background: rgba(248, 250, 252, 0.92);
    }

    .nav-link {
        white-space: nowrap;
        font-size: 0.72rem;
    }

    .theme-toggle {
        width: 36px;
        height: 36px;
    }

    .section {
        width: 90%;
        padding: 105px 0 60px;
    }

    .hero {
        min-height: 100vh;
        padding-top: 140px;
    }

    .profile-ring {
        width: 125px;
        height: 125px;
    }

    .profile-ring.large {
        width: 210px;
        height: 210px;
    }

    .hero h1 {
        font-size: 2.7rem;
        letter-spacing: -1.5px;
    }

    .hero-description {
        font-size: 0.82rem;
    }

    .scroll-indicator {
        display: none;
    }

    .section-heading {
        margin-bottom: 35px;
    }

    .section-heading h2 {
        font-size: 2rem;
    }

    .about-container {
        gap: 30px;
    }

    .info-grid {
        grid-template-columns: 1fr 1fr;
        text-align: left;
    }

    .info-item {
        padding: 13px;
    }

    .info-item strong {
        font-size: 0.72rem;
    }

    .about-description {
        text-align: left;
    }

    .badge-container {
        justify-content: flex-start;
    }

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

    .favorite-card {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .favorite-card > div + div {
        padding-left: 0;
        padding-top: 20px;

        border-left: none;
        border-top: 1px solid var(--border);
    }

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

    .contact-box {
        padding: 45px 20px;
    }

    .music-toggle {
        right: 14px;
        bottom: 14px;
    }
}


/* =====================================================
   SMALL MOBILE
===================================================== */

@media (max-width: 400px) {

    .nav-menu {
        justify-content: flex-start;
    }

    .hero h1 {
        font-size: 2.3rem;
    }

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

    .badge-container {
        display: grid;
        grid-template-columns: 1fr;
    }

    .about-badge {
        justify-content: flex-start;
    }
}