/* ------------------------------------------------------- GLOBAL -------------------------------------------------- */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

:root {
    --dark-bg: #0a0a0a;
    --darker-bg: #050505;
    --accent: #5bceed;
    --accent-glow: rgba(47, 156, 186, 0.4);
    --text: #ffffff;
}

html {
    scroll-behavior: smooth;
    background-color: var(--dark-bg);
}

body {
    min-height: 100vh;
    min-height: -webkit-fill-available;
    width: 100%;
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;

    background-image: url('background.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

body::selection{
    color: white;
    background-color: var(--accent);
}

/* ------------------------------------------------------- HEADER -------------------------------------------------- */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 61.6px;

    padding-top: env(safe-area-inset-top);
    padding-left: calc(30px + env(safe-area-inset-left));
    padding-right: env(safe-area-inset-right);

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

    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);

    border-bottom: 2px solid rgba(255, 255, 255, .2);
    z-index: 1000;
}

.header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.4), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.header:hover::before {
    transform: translateX(100%);
}

/* ------------------------------------------------------- NAVBAR -------------------------------------------------- */

.navbar a {
    color: var(--accent);
    font-size: 18px;
    text-decoration: none;
    margin-left: 35px;
    position: relative;
    transition: 0.3s;
}

.navbar a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s;
}

.navbar a:hover::after,
.navbar a.active::after {
    width: 100%;
}

.navbar a.active {
    color: white;
}

/* ------------------------------------------------------- LOGO -------------------------------------------------- */

.logo {
    height: 34px;
    border-radius: 50%;
}

.logo-wrapper {
    width: 50px;
    display: flex;
    align-items: center;
}

/* ------------------------------------------------------- MENU BUTTON -------------------------------------------------- */

.menu-wrapper {
    width: 90px;
    height: 45.6px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hidden { display: none; }
.shown { display: inline-block; }

/* ------------------------------------------------------- HERO -------------------------------------------------- */

.hero {
    min-height: 100vh;
    min-height: -webkit-fill-available;

    display: flex;
    align-items: center;

    padding-top: calc(61.6px + env(safe-area-inset-top) + 2rem);
    padding-left: calc(5% + env(safe-area-inset-left));
    padding-right: calc(5% + env(safe-area-inset-right));
    padding-bottom: calc(5% + env(safe-area-inset-bottom));

    background: radial-gradient(circle at 75% 30%, var(--accent-glow), transparent 30%);
}

.hero-content {
    flex: 1;
    padding-right: 5rem;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.profile-img {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent);
    box-shadow: 0 0 50px var(--accent-glow);
    animation: float 3s ease-in-out infinite;
}

/* Floating animation */
@keyframes float {
    0%,100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--accent), #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    max-width: 600px;
    opacity: 0.9;
}

/* Highlight text */
.highlight {
    color: var(--accent);
    font-weight: 600;
    font-size: 1.3rem;
}

/* CTA buttons */
.cta-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.cta-button {
    padding: 1rem 2rem;
    background: var(--accent);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition: 0.3s;
}

.cta-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-glow);
    transition: 0.3s;
}

.cta-button:hover::after {
    left: 0;
}

/* ------------------------------------------------------- SKILLS -------------------------------------------------- */

.skills {
    padding: 5rem 5%;
    background: var(--darker-bg);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-card {
    padding: 2rem;
    border-radius: 15px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(5px);
    transition: 0.3s;
}

.skill-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.skill-card i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

/* ------------------------------------------------------- SIDEBAR -------------------------------------------------- */

.sidebar {
    position: fixed;
    top: 61.6px;
    left: 0;
    width: 100%;
    padding: 20px 5px;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(15px);
    z-index: 1000;
}

.sidebar div {
    background: #000;
    margin: 10px 0;
    padding: 20px 10px;
    border-radius: 16px;
    border: 1px solid var(--accent);
}

.sidebar a {
    text-decoration: none;
    color: var(--accent);
}

/* Animations */
.t1, .t3, .t5 { transform: translateX(-100%); }
.t2, .t4 { transform: translateX(100%); }

.sidebar-animation-right {
    animation: sbr 1s forwards;
}
.sidebar-animation-left {
    animation: sbl 1s forwards;
}

@keyframes sbr { to { transform: translateX(0); } }
@keyframes sbl { to { transform: translateX(0); } }

/* ------------------------------------------------------- FOOTER -------------------------------------------------- */

footer {
    background: var(--darker-bg);
    padding: 3rem 5%;
    text-align: center;
}

.social-links {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.social-links a {
    color: var(--text);
    font-size: 1.5rem;
    transition: 0.3s;
}

.social-links a:hover {
    color: var(--accent);
    transform: translateY(-3px);
}



/* ------------------------------------------------------- RESPONSIVE -------------------------------------------------- */

@media (min-width: 768px) {
    .header { padding: 13px 100px; }
    .hidden { display: inline-block; }
    .shown { display: none; }
}

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 8rem;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 3rem;
    }

    .profile-img {
        width: 280px;
        height: 280px;
    }

     .cta-group {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .cta-button {
        width: 80%;
        text-align: center;
    }
}

h2{
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    max-width: 600px;
    opacity: 0.9;
    font-weight: normal;
}