@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
    --blue: #0057ff;
    --black: #080808;
    --white: #f5f5f5;
    --grey: #999;
    --grey-light: #ccc;
    --surface: #111;
    --surface-2: #181818;
    --blue-glow: rgba(0, 87, 255, 0.45);
    --blue-soft: rgba(0, 87, 255, 0.12);
    --blue-border: rgba(0, 87, 255, 0.35);
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --font-display: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --nav-height: 72px;
    --section-pad-x: clamp(1.25rem, 6vw, 6rem);
}

/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--black);
    color: var(--white);
    font-family: var(--font-body);
    overflow-x: hidden;
    line-height: 1.6;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: var(--black);
}

::-webkit-scrollbar-thumb {
    background: var(--blue);
    border-radius: 10px;
}

/* ===== NOISE TEXTURE OVERLAY ===== */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.035'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
    opacity: 0.6;
}

/* ===== HEADER ===== */
header {
    position: fixed;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: min(calc(100% - 40px), 1100px);
    z-index: 999;
    background: rgba(8, 8, 8, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--blue-border);
    border-radius: 60px;
    box-shadow: 0 0 30px rgba(0, 87, 255, 0.2), 0 8px 32px rgba(0, 0, 0, 0.6);
    animation: slideDown 0.7s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes slideDown {
    from {
        transform: translateX(-50%) translateY(-120%);
        opacity: 0;
    }

    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

.head {
    height: var(--nav-height);
    padding: 0 clamp(1rem, 3vw, 2.5rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

/* ===== LOGO ===== */
.logo {
    flex-shrink: 0;
}

.logo-text {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--white);
    position: relative;
    display: inline-flex;
    align-items: center;
}

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

/* ===== DESKTOP NAV ===== */
.navigation-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
}

.navigation {
    width: 380px;
    height: 48px;
    background: transparent;
    position: relative;
    display: flex;
    justify-content: space-around;
    align-items: center;
    border-radius: 40px;
    border: 1px solid var(--blue-border);
}

.navigation ul {
    display: flex;
    width: 350px;
    list-style: none;
    position: relative;
}

.navigation ul li {
    position: relative;
    width: 70px;
    height: 70px;
    z-index: 1;
    cursor: pointer;
}

.navigation ul li a {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 100%;
    text-align: center;
    font-weight: 500;
    text-decoration: none;
    color: var(--white);
}

.navigation ul li a svg {
    fill: var(--white);
    position: relative;
    margin-top: 22px;
    transition: fill var(--transition), transform var(--transition);
}

.navigation ul li.active a svg,
.navigation ul li a:hover svg {
    fill: var(--blue);
    transform: translateY(-2px);
}

.navigation ul li a .text {
    position: absolute;
    color: var(--white);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 9px;
    letter-spacing: 0.05em;
    transition: opacity 0.4s ease, transform 0.4s ease;
    opacity: 0;
    transform: translateY(18px);
    white-space: nowrap;
}

.navigation ul li.active a .text {
    transform: translateY(26px);
    opacity: 1;
}

.indicator {
    position: absolute;
    top: 5%;
    width: 70px;
    height: 60px;
    background: var(--black);
    border-radius: 18px;
    border: 1px solid var(--blue);
    box-shadow: 0 0 14px var(--blue-glow);
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    transform: translateX(70px);
}

/* ===== NAV LINKS (desktop right) ===== */
.nav-links-container {
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 10px;
    list-style: none;
}

.nav-links li a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid transparent;
    color: var(--grey);
    transition: color var(--transition), border-color var(--transition), transform var(--transition);
}

.nav-links li a:hover {
    color: var(--blue);
    border-color: var(--blue-border);
    transform: translateY(-2px);
}

/* ===== HAMBURGER ===== */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
    padding: 6px;
    background: none;
    border: none;
    flex-shrink: 0;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: transform 0.35s ease, opacity 0.35s ease, background 0.3s;
}

.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background: var(--blue);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
    background: var(--blue);
}

/* ===== MOBILE NAV ===== */
.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(8, 8, 8, 0.98);
    backdrop-filter: blur(20px);
    z-index: 998;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav.open {
    transform: translateX(0);
}

.mobile-nav-logo {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 2.5rem;
    letter-spacing: -1px;
}

.mobile-nav-logo span {
    color: var(--blue);
}

.mobile-nav a {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--grey);
    text-decoration: none;
    padding: 0.75rem 0;
    width: 240px;
    text-align: center;
    border-bottom: 1px solid rgba(0, 87, 255, 0.15);
    transition: color 0.3s, transform 0.3s;
    letter-spacing: -0.5px;
}

.mobile-nav a:last-child {
    border-bottom: none;
}

.mobile-nav a:hover {
    color: var(--blue);
    transform: translateX(6px);
}

/* ===== HERO ===== */
#home {
    position: relative;
}

main {
    display: flex;
    width: 100%;
    min-height: 100svh;
    justify-content: center;
    align-items: center;
    padding: calc(var(--nav-height) + 40px) var(--section-pad-x) 60px;
}

.main {
    width: 100%;
    max-width: 1200px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: clamp(2rem, 5vw, 5rem);
}

.container {
    width: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    animation: fadeInLeft 0.9s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

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

.hero-greeting {
    font-family: var(--font-body);
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    font-weight: 300;
    color: var(--grey);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.hi h1 {
    font-family: var(--font-display);
    color: var(--white);
    font-size: 50px;
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 0.75rem;
    letter-spacing: -2px;
}

.name-dot {
    color: var(--blue);
    text-shadow: 0 0 20px var(--blue-glow);
}

.main h3 {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 2.5vw, 1.6rem);
    font-weight: 600;
    margin-bottom: 1.25rem;
    min-height: 1.5em;
    letter-spacing: -0.5px;
    color: var(--grey-light);
}

.role-prefix {
    color: var(--grey);
}

#role {
    color: var(--blue);
    border-right: 2px solid var(--blue);
    padding-right: 4px;
    animation: blink 0.75s infinite;
}

@keyframes blink {

    0%,
    100% {
        border-color: var(--blue);
    }

    50% {
        border-color: transparent;
    }
}

.main p {
    color: var(--grey);
    line-height: 1.85;
    max-width: 540px;
    margin-bottom: 2.5rem;
    text-align: justify;
    font-size: clamp(0.875rem, 1.5vw, 0.95rem);
    font-weight: 300;
}

/* ===== HERO BUTTONS ===== */
.btn-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    background: var(--blue);
    color: var(--white);
    border-radius: 50px;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.9rem;
    border: 1px solid var(--blue);
    cursor: pointer;
    box-shadow: 0 0 20px var(--blue-glow);
    transition: transform var(--transition), box-shadow var(--transition);
    white-space: nowrap;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px var(--blue-glow);
}

.btn-primary:active {
    transform: scale(0.97);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.75rem;
    background: transparent;
    color: var(--white);
    border-radius: 50px;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.9rem;
    border: 1px solid var(--blue-border);
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
    white-space: nowrap;
}

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

/* ===== SKILL ORBIT ===== */
.skills-orbit {
    width: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.9s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

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

.orbit-container {
    position: relative;
    width: clamp(240px, 38vw, 400px);
    height: clamp(240px, 38vw, 400px);
}

.orbit-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    height: 90%;
    border-radius: 50%;
    border: 1px dashed rgba(0, 87, 255, 0.5);
    pointer-events: none;
    animation: pulse-ring 3s ease-in-out infinite;
}

@keyframes pulse-ring {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(0, 87, 255, 0.15);
    }

    50% {
        box-shadow: 0 0 0 12px rgba(0, 87, 255, 0);
    }
}

.center-image-1 {
    display: none;
}

.center-image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: clamp(120px, 20vw, 230px);
    height: clamp(120px, 20vw, 230px);
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--blue);
    box-shadow: 0 0 30px var(--blue-glow), 0 0 70px rgba(0, 87, 255, 0.15);
    z-index: 2;
    transition: box-shadow var(--transition);
}

.center-image:hover {
    box-shadow: 0 0 50px var(--blue-glow), 0 0 90px rgba(0, 87, 255, 0.25);
}

.center-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.center-image:hover img {
    transform: scale(1.05);
}

.orbit {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    animation: rotateOrbit 22s linear infinite;
}

.orbit span {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 44px;
    height: 44px;
    margin: -22px;
    transform: rotate(calc(360deg / 11 * var(--i))) translate(clamp(100px, 17vw, 178px)) rotate(calc(-360deg / 10 * var(--i)));
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--blue-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s, box-shadow 0.3s;
}

.orbit span:hover {
    background: var(--blue-soft);
    box-shadow: 0 0 14px var(--blue-glow);
}

.orbit img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

@keyframes rotateOrbit {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* ===== SECTION COMMON ===== */
.section-title {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 800;
    color: var(--white);
    text-align: center;
    position: relative;
    display: inline-block;
    width: 100%;
    padding-bottom: 1.25rem;
    margin-bottom: clamp(2rem, 5vw, 4rem);
    letter-spacing: -1px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.section-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--blue);
    border-radius: 2px;
    box-shadow: 0 0 10px var(--blue-glow);
}

/* ===== ABOUT ===== */
#about {
    background: var(--surface);
}

.about {
    width: 100%;
    padding: clamp(3rem, 8vw, 6rem) var(--section-pad-x);
}

.about-content {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: clamp(2rem, 5vw, 5rem);
    flex-wrap: wrap;
}

.about-img {
    flex-shrink: 0;
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.about-img.visible {
    opacity: 1;
    transform: translateX(0);
}

.about-img img {
    width: clamp(220px, 28vw, 360px);
    border: 1px solid var(--blue-border);
    border-radius: 20px;
    box-shadow: 0 0 24px rgba(0, 87, 255, 0.2);
    transition: transform var(--transition), box-shadow var(--transition);
}

.about-img img:hover {
    transform: scale(1.02) rotate(0.5deg);
    box-shadow: 0 0 40px var(--blue-glow);
}

.about-main {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
    flex: 1;
    min-width: 260px;
    max-width: 560px;
}

.about-main.visible {
    opacity: 1;
    transform: translateX(0);
}

.about-text p {
    line-height: 1.9;
    font-weight: 300;
    color: var(--grey);
    text-align: justify;
    font-size: clamp(0.875rem, 1.5vw, 0.95rem);
    margin-bottom: 0.75rem;
}

.about-edu {
    display: flex;
    flex-direction: row;
    gap: 1rem;
    flex-wrap: wrap;
}

.about-edu div {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    border: 1px solid var(--blue-border);
    flex: 1;
    min-width: 80px;
    padding: 1.25rem 1rem;
    border-radius: 16px 0 16px 0;
    background: var(--surface-2);
    transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
    cursor: pointer;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
}

.about-edu div.visible {
    opacity: 1;
    transform: translateY(0);
}

.about-edu div:nth-child(1) {
    transition-delay: 0.1s;
}

.about-edu div:nth-child(2) {
    transition-delay: 0.2s;
}

.about-edu div:nth-child(3) {
    transition-delay: 0.3s;
}

.about-edu div:hover {
    transform: translateY(-5px);
    background: rgba(0, 87, 255, 0.12);
    box-shadow: 0 0 20px var(--blue-glow);
}

.about-edu div h3 {
    font-family: var(--font-display);
    font-size: 20px;
    color: var(--blue);
    font-weight: 600;
}

.about-edu div h1 {
    font-size: 50px;
    font-weight: 300;
    color: var(--white);
}

/* ===== SKILLS ===== */
#skills {
    background: var(--black);
}

.skills-expertise {
    width: 100%;
    padding: clamp(3rem, 8vw, 6rem) var(--section-pad-x);
}

.skills-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
        "skills1 skills2"
        "skills3 skills4"
        "skills5 skills5";
    gap: clamp(1rem, 3vw, 2rem);
}

.skills1 {
    grid-area: skills1;
}

.skills2 {
    grid-area: skills2;
}

.skills3 {
    grid-area: skills3;
}

.skills4 {
    grid-area: skills4;
}

.skills5 {
    grid-area: skills5;
}

.skills-container .skills1,
.skills-container .skills2,
.skills-container .skills3,
.skills-container .skills4,
.skills-container .skills5 {
    width: 100%;
    border: 1px solid var(--blue-border);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.75rem;
    gap: 1rem;
    background: var(--surface);
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.skills-container .skills1.visible,
.skills-container .skills2.visible,
.skills-container .skills3.visible,
.skills-container .skills4.visible,
.skills-container .skills5.visible {
    opacity: 1;
    transform: translateY(0);
}

.skills1:hover,
.skills2:hover,
.skills3:hover,
.skills4:hover,
.skills5:hover {
    transform: translateY(-5px);
    background: rgba(0, 87, 255, 0.06);
    box-shadow: 0 0 28px rgba(0, 87, 255, 0.18);
}

.skills1 h3,
.skills2 h3,
.skills3 h3,
.skills4 h3,
.skills5 h3 {
    font-family: var(--font-display);
    font-size: clamp(0.95rem, 1.8vw, 1.05rem);
    font-weight: 700;
    letter-spacing: -0.3px;
}

.skills1 div,
.skills2 div,
.skills3 div,
.skills4 div,
.skills5 div {
    display: flex;
    flex-direction: row;
    gap: 0.625rem;
    flex-wrap: wrap;
    justify-content: center;
}

.skill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.9rem;
    border-radius: 12px;
    border: 1px solid var(--blue-border);
    background: var(--black);
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.skill:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 16px var(--blue-glow);
    background: var(--blue-soft);
}

.skill p {
    color: var(--grey-light);
    font-size: 0.8rem;
}

.skill img {
    border-radius: 4px;
}

/* ===== PROJECTS ===== */
.projects {
    width: 100%;
    padding: clamp(3rem, 8vw, 6rem) var(--section-pad-x);
    background: var(--surface);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
    gap: clamp(1.25rem, 3vw, 2rem);
}

.project-card {
    background: var(--surface-2);
    border: 1px solid rgba(0, 87, 255, 0.2);
    border-radius: 20px;
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
    opacity: 0;
    transform: translateY(40px);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card:nth-child(1) {
    transition-delay: 0.05s;
}

.project-card:nth-child(2) {
    transition-delay: 0.15s;
}

.project-card:nth-child(3) {
    transition-delay: 0.25s;
}

.project-card:nth-child(4) {
    transition-delay: 0.35s;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 16px 48px rgba(0, 87, 255, 0.25);
}

.project-image {
    height: 200px;
    overflow: hidden;
    border-bottom: 1px solid var(--blue-border);
    background: var(--black);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: fill;
    transition: transform 0.6s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.07);
}

.project-content {
    padding: 1.4rem;
}

.project-content h3 {
    font-family: var(--font-display);
    font-size: clamp(0.95rem, 1.8vw, 1.05rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.3px;
}

.project-content p {
    font-size: 0.82rem;
    color: var(--grey);
    line-height: 1.6;
    margin-bottom: 1rem;
    font-weight: 300;
}

.project-tech {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.project-tech span {
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: 20px;
    border: 1px solid var(--blue-border);
    color: var(--grey);
    background: var(--black);
}

.project-actions {
    display: flex;
    gap: 0.625rem;
    flex-wrap: wrap;
}

.project-actions a {
    text-decoration: none;
    font-size: 0.8rem;
    padding: 6px 14px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 500;
    transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.btn-demo {
    border: 1px solid var(--blue);
    color: var(--white);
}

.btn-demo:hover {
    background: var(--blue);
    box-shadow: 0 0 16px var(--blue-glow);
    transform: translateY(-2px);
}

.btn-github {
    border: 1px solid #333;
    color: var(--grey-light);
}

.btn-github:hover {
    background: #222;
    transform: translateY(-2px);
}

.btn-github img {
    border-radius: 2px;
}

/* ===== CONTACT ===== */
.contact {
    width: 100%;
    padding: clamp(3rem, 8vw, 6rem) var(--section-pad-x) clamp(4rem, 10vw, 8rem);
    background: var(--black);
    position: relative;
}

.contact-content {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: clamp(2rem, 5vw, 5rem);
    flex-wrap: wrap;
}

.contact-info-left {
    flex: 1;
    min-width: 260px;
    max-width: 400px;
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.contact-info-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.contact-info-left h3 {
    font-family: var(--font-display);
    color: var(--blue);
    font-size: clamp(1.4rem, 3vw, 1.9rem);
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.5px;
}

.contact-info-left>p {
    color: var(--grey);
    font-size: clamp(0.875rem, 1.5vw, 0.95rem);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-weight: 300;
}

.contact-details {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 1.1rem;
    transition: transform var(--transition);
}

.contact-item:hover {
    transform: translateX(5px);
}

.contact-item svg {
    color: var(--blue);
    filter: drop-shadow(0 0 6px var(--blue-glow));
    flex-shrink: 0;
}

.contact-item span {
    font-size: 0.875rem;
    color: var(--grey);
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border: 1px solid var(--blue-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.social-link:hover {
    background: var(--blue);
    box-shadow: 0 0 20px var(--blue-glow);
    transform: translateY(-4px) scale(1.1);
}

.contact-info-right {
    flex: 1;
    min-width: 280px;
    max-width: 500px;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    border: 1px solid var(--blue-border);
    border-radius: 24px;
    background: var(--surface);
    box-shadow: 0 0 24px rgba(0, 87, 255, 0.1);
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}

.contact-info-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.contact-info-right h3 {
    font-family: var(--font-display);
    color: var(--blue);
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    font-weight: 700;
    margin-bottom: 1.25rem;
    text-align: center;
    letter-spacing: -0.3px;
}

.contact-form {
    width: 100%;
}

.form-group {
    margin-bottom: 0.875rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1.25rem;
    background: var(--black);
    border: 1px solid rgba(0, 87, 255, 0.2);
    border-radius: 12px;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.875rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    resize: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--grey);
    font-weight: 300;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 18px rgba(0, 87, 255, 0.25);
}

.form-btn {
    width: 100%;
    background: var(--blue);
    color: var(--white);
    border: none;
    padding: 0.85rem 2.5rem;
    border-radius: 12px;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    margin-top: 0.25rem;
    transition: box-shadow var(--transition), transform var(--transition);
    box-shadow: 0 0 20px var(--blue-glow);
}

.form-btn:hover {
    box-shadow: 0 0 32px var(--blue-glow), 0 4px 20px rgba(0, 87, 255, 0.4);
    transform: translateY(-2px);
}

.form-btn:active {
    transform: scale(0.98);
}

/* ===== FOOTER ===== */
footer {
    background: var(--surface);
    color: var(--grey);
    text-align: center;
    padding: 1.25rem 1.5rem;
    border-top: 1px solid rgba(0, 87, 255, 0.2);
}

footer p {
    margin-bottom: 0.75rem;
    font-size: 0.8rem;
    font-weight: 300;
}

.footer-social {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.footer-social a {
    color: var(--grey);
    display: flex;
    align-items: center;
    transition: color var(--transition), transform var(--transition);
}

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

/* ===========================================
   RESPONSIVE BREAKPOINTS
   =========================================== */
/* --- Mobile (≤ 640px) --- */
@media (max-width: 640px) {
    :root {
        --section-pad-x: 1.25rem;
    }

    .head {
        height: 62px;
    }

    /* Nav */
    .navigation-container,
    .nav-links-container {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .mobile-nav {
        display: flex;
    }

    header {
        width: calc(100% - 24px);
        top: 8px;
        border-radius: 24px;
    }

    /* Hero */
    .main {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 2rem;
        margin: auto;
    }

    .main .hero-greeting {
        margin-top: 20px;
        text-align: center;
    }

    .main .hi h1 {
        font-size: 30px;
        letter-spacing: 2px;
    }

    .center-image-1 {
        display: block;
        width: 200px;
        border-radius: 48%;
        overflow: hidden;
        border: 2px solid var(--blue);
        box-shadow: 0 0 30px var(--blue-glow), 0 0 70px rgba(0, 87, 255, 0.15);
        z-index: 2;
        transition: box-shadow var(--transition);
    }

    .center-image-1:hover {
        box-shadow: 0 0 50px var(--blue-glow), 0 0 90px rgba(0, 87, 255, 0.25);
    }

    .center-image-1 img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .center-image-1:hover img {
        transform: scale(1.05);
    }

    .container {
        width: 100%;
        align-items: center;
    }

    .main p {
        text-align: justify;
    }

    .orbit-container {
        display: none;
    }

    /* Buttons */
    .btn-group {
        justify-content: center;
    }

    /* About */
    .about-content {
        flex-direction: column;
        align-items: center;
    }

    .section-title {
        font-size: 25px;
    }

    .about-edu {
        justify-content: center;
    }

    .about-edu div {
        min-width: 110px;
        padding: 1rem 0.75rem;
    }

    /* Skills */
    .skills-container {
        grid-template-columns: 1fr;
        grid-template-areas:
            "skills1"
            "skills2"
            "skills3"
            "skills4"
            "skills5";
    }

    /* Projects */
    .project-grid {
        grid-template-columns: 1fr;
    }

    /* Contact */
    .contact-content {
        flex-direction: column;
        align-items: stretch;
    }

    .contact-info-left,
    .contact-info-right {
        max-width: 100%;
    }
}

/* --- Reduced motion support --- */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}