/* ===========================================================
   MOHAN SAI PANDETI PORTFOLIO V3
   PART 1
   Global Styles + Navbar + Hero
=========================================================== */

/* ---------------- RESET ---------------- */

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

html{
    scroll-behavior:smooth;
}

body{

    font-family:'Inter',sans-serif;

    background:#fafafa;

    color:#111827;

    line-height:1.7;

    overflow-x:hidden;

}

/* ---------------- VARIABLES ---------------- */

:root{

    --primary:#2563eb;

    --primary-dark:#1d4ed8;

    --background:#fafafa;

    --surface:#ffffff;

    --border:#e5e7eb;

    --text:#111827;

    --text-light:#6b7280;

    --shadow:0 10px 30px rgba(0,0,0,.06);

    --radius:16px;

    --transition:.3s ease;

    --max-width:1200px;

}

/* ---------------- SCROLLBAR ---------------- */

::-webkit-scrollbar{

    width:10px;

}

::-webkit-scrollbar-track{

    background:#f3f4f6;

}

::-webkit-scrollbar-thumb{

    background:#cbd5e1;

    border-radius:100px;

}

::-webkit-scrollbar-thumb:hover{

    background:#94a3b8;

}

/* ---------------- LINKS ---------------- */

a{

    text-decoration:none;

    color:inherit;

}

img{

    display:block;

    max-width:100%;

}

/* ---------------- SECTION ---------------- */

.section{

    width:min(92%,1200px);

    margin:auto;

    padding:110px 0;

}

.section-title{

    text-align:center;

    margin-bottom:70px;

}

.section-title h2{

    font-size:2.5rem;

    font-weight:800;

    letter-spacing:-1px;

    color:var(--text);

}

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

header{

    width:100%;

    position:fixed;

    top:0;

    left:0;

    z-index:999;

    backdrop-filter:blur(18px);

    background:rgba(250,250,250,.88);

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

}

.navbar{

    width:min(92%,1200px);

    height:80px;

    margin:auto;

    display:flex;

    justify-content:space-between;

    align-items:center;

}

.logo{

    font-size:1.5rem;

    font-weight:800;

    color:var(--primary);

}

.nav-links{

    display:flex;

    list-style:none;

    gap:36px;

}

.nav-links a{

    font-weight:500;

    color:var(--text-light);

    transition:var(--transition);

}

.nav-links a:hover{

    color:var(--primary);

}

.resume-btn{

    background:var(--primary);

    color:#fff;

    padding:12px 22px;

    border-radius:10px;

    font-weight:600;

    transition:var(--transition);

}

.resume-btn:hover{

    background:var(--primary-dark);

    transform:translateY(-2px);

}

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

.hero{

    min-height:100vh;

    display:flex;

    align-items:center;

    justify-content:center;

    padding-top:80px;

}

.hero-content{

    width:min(92%,900px);

    text-align:center;

}

.hero-tag{

    display:inline-block;

    padding:8px 18px;

    border-radius:100px;

    background:#eff6ff;

    color:var(--primary);

    font-size:.85rem;

    font-weight:600;

    margin-bottom:28px;

}

.hero h1{

    font-size:4rem;

    font-weight:800;

    letter-spacing:-2px;

    color:var(--text);

}

.hero h2{

    margin-top:20px;

    font-size:1.45rem;

    font-weight:600;

    color:var(--text-light);

}

.hero h2 span{

    margin:0 14px;

    color:#d1d5db;

}

.hero p{

    width:min(700px,100%);

    margin:35px auto;

    font-size:1.1rem;

    color:var(--text-light);

}

.hero-buttons{

    display:flex;

    justify-content:center;

    gap:18px;

    margin-top:40px;

    flex-wrap:wrap;

}

/* ---------------- BUTTONS ---------------- */

.primary-btn{

    background:var(--primary);

    color:#fff;

    padding:15px 30px;

    border-radius:12px;

    font-weight:600;

    transition:var(--transition);

    box-shadow:var(--shadow);

}

.primary-btn:hover{

    background:var(--primary-dark);

    transform:translateY(-3px);

}

.secondary-btn{

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

    background:#fff;

    color:var(--text);

    padding:15px 30px;

    border-radius:12px;

    font-weight:600;

    transition:var(--transition);

}

.secondary-btn:hover{

    border-color:var(--primary);

    color:var(--primary);

    transform:translateY(-3px);

}

/* ---------------- CARDS ---------------- */

.info-card,
.project-card,
.skill-category,
.education-card,
.experience-card{

    background:#fff;

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

    border-radius:var(--radius);

    box-shadow:var(--shadow);

    transition:var(--transition);

}

.info-card:hover,
.project-card:hover,
.skill-category:hover,
.education-card:hover,
.experience-card:hover{

    transform:translateY(-6px);

    box-shadow:0 18px 40px rgba(0,0,0,.08);

}

/* ---------------- UTILITIES ---------------- */

.text-center{

    text-align:center;

}

.mt-2{

    margin-top:20px;

}

.mt-4{

    margin-top:40px;

}

.mb-2{

    margin-bottom:20px;

}

.mb-4{

    margin-bottom:40px;

}

/* ===========================================================
   PART 2
   ABOUT • PROJECTS • SKILLS
===========================================================*/

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

.about-grid{

    display:grid;

    grid-template-columns:1.3fr .9fr;

    gap:70px;

    align-items:center;

}

.about-text p{

    font-size:1.08rem;

    color:var(--text-light);

    line-height:2;

}

.about-info{

    display:grid;

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

    gap:20px;

}

.info-card{

    padding:28px;

    text-align:center;

}

.info-card h4{

    font-size:.9rem;

    color:var(--text-light);

    margin-bottom:10px;

    font-weight:600;

    text-transform:uppercase;

    letter-spacing:.5px;

}

.info-card p{

    font-size:1.05rem;

    font-weight:700;

    color:var(--text);

}

/* ================= PROJECTS ================= */

.projects-container{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(350px,1fr));

    gap:30px;

}

/* Featured Project */

.featured{

    grid-column:1/-1;

    padding:45px;

}

.featured h3{

    font-size:2rem;

    margin-bottom:22px;

    font-weight:800;

}

.featured p{

    color:var(--text-light);

    font-size:1.05rem;

    line-height:1.9;

    margin-bottom:35px;

}

/* Normal Project */

.project-card{

    padding:35px;

}

.project-card h3{

    font-size:1.35rem;

    margin-bottom:18px;

    font-weight:700;

}

.project-card p{

    color:var(--text-light);

    line-height:1.8;

    margin-bottom:25px;

}

.project-links{

    margin-top:25px;

}

.project-links a{

    display:inline-block;

    color:var(--primary);

    font-weight:600;

    transition:.3s;

}

.project-links a:hover{

    transform:translateX(5px);

}

/* ================= TECH STACK ================= */

.tech-stack{

    display:flex;

    flex-wrap:wrap;

    gap:12px;

}

.tech-stack span{

    background:#eff6ff;

    color:var(--primary);

    padding:9px 18px;

    border-radius:50px;

    font-size:.9rem;

    font-weight:600;

    border:1px solid rgba(37,99,235,.12);

    transition:.3s;

}

.tech-stack span:hover{

    background:var(--primary);

    color:white;

}

/* ================= PROJECT GRID ================= */

.project-card{

    position:relative;

    overflow:hidden;

}

.project-card::before{

    content:"";

    position:absolute;

    left:0;

    top:0;

    width:4px;

    height:100%;

    background:var(--primary);

    transform:scaleY(0);

    transform-origin:top;

    transition:.35s;

}

.project-card:hover::before{

    transform:scaleY(1);

}

/* ================= SKILLS ================= */

.skills-grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));

    gap:28px;

}

.skill-category{

    padding:32px;

}

.skill-category h3{

    font-size:1.3rem;

    margin-bottom:18px;

    font-weight:700;

    color:var(--primary);

}

.skill-category p{

    color:var(--text-light);

    line-height:2;

    font-size:1rem;

}

/* ================= SKILL CHIP VERSION ================= */

.skill-category p{

    display:flex;

    flex-wrap:wrap;

    gap:10px;

}

.skill-category p{

    color:transparent;

}

.skill-category p::before{

    display:none;

}

/* Language Chips */

.skill-category:nth-child(1) p{

    color:inherit;

}

/* Make chips */

.skill-category span{

    display:inline-block;

}

.skill-category p{

    font-size:0;

}

.skill-category p::after{

    display:none;

}

/* Chips */

.skill-category p{

    display:flex;

    gap:10px;

    flex-wrap:wrap;

}

/* Automatically convert words into chip style if HTML updated later */

.skill-category p{

    color:var(--text);

}

/* ================= OPTIONAL CHIP CLASS ================= */

.chip{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    padding:9px 16px;

    border-radius:50px;

    background:#f3f4f6;

    font-size:.9rem;

    font-weight:600;

    color:var(--text);

}

/* ================= FEATURE HOVER ================= */

.featured{

    position:relative;

    overflow:hidden;

}

.featured::after{

    content:"";

    position:absolute;

    width:280px;

    height:280px;

    background:rgba(37,99,235,.05);

    border-radius:50%;

    right:-120px;

    top:-120px;

}

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

.projects-container{

    margin-top:25px;

}

.skills-grid{

    margin-top:30px;

}

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

.project-card,

.skill-category,

.info-card{

    transition:

        transform .35s,

        box-shadow .35s,

        border-color .35s;

}

.project-card:hover,

.skill-category:hover,

.info-card:hover{

    border-color:#dbeafe;

}

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

@media(max-width:992px){

.about-grid{

grid-template-columns:1fr;

}

.about-info{

margin-top:20px;

}

.featured{

padding:35px;

}

}

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

@media(max-width:768px){

.about-info{

grid-template-columns:1fr;

}

.projects-container{

grid-template-columns:1fr;

}

.featured h3{

font-size:1.6rem;

}

.featured{

padding:28px;

}

.project-card{

padding:28px;

}

.skills-grid{

grid-template-columns:1fr;

}

}



/* ===========================================================
   PART 3A
   EXPERIENCE • EDUCATION • CERTIFICATIONS
   CONTACT • FOOTER
===========================================================*/

/* ================= EXPERIENCE ================= */

.experience-card{

    max-width:900px;

    margin:auto;

    padding:40px;

}

.experience-card h3{

    font-size:1.6rem;

    margin-bottom:10px;

    font-weight:700;

}

.experience-card h4{

    color:var(--primary);

    margin-bottom:20px;

    font-weight:600;

}

.experience-card p{

    color:var(--text-light);

    line-height:1.9;

}

.experience-card ul{

    margin-top:25px;

    padding-left:22px;

}

.experience-card li{

    margin-bottom:12px;

    color:var(--text-light);

    line-height:1.8;

}

/* ================= EDUCATION ================= */

.education-card{

    max-width:850px;

    margin:auto;

    padding:40px;

    text-align:center;

}

.education-card h3{

    font-size:1.8rem;

    margin-bottom:12px;

}

.education-card p{

    margin-top:10px;

    color:var(--text-light);

    font-size:1rem;

}

.education-card strong{

    color:var(--primary);

}

/* ================= CERTIFICATIONS ================= */

.cert-grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));

    gap:24px;

}

.cert-grid div{

    background:var(--surface);

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

    border-radius:16px;

    padding:24px;

    font-weight:600;

    color:var(--text);

    transition:.3s;

    box-shadow:var(--shadow);

}

.cert-grid div:hover{

    transform:translateY(-6px);

    border-color:var(--primary);

}

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

.contact-grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));

    gap:25px;

}

.contact-grid>div{

    background:var(--surface);

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

    border-radius:16px;

    padding:28px;

    transition:.3s;

    box-shadow:var(--shadow);

}

.contact-grid>div:hover{

    transform:translateY(-6px);

    border-color:var(--primary);

}

.contact-grid h4{

    margin-bottom:12px;

    color:var(--primary);

    font-size:1rem;

    font-weight:700;

}

.contact-grid p{

    color:var(--text-light);

    word-break:break-word;

}

.contact-grid a{

    color:var(--primary);

}

.contact-grid a:hover{

    text-decoration:underline;

}

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

.contact-cta{

    text-align:center;

    margin-top:70px;

}

.contact-cta h3{

    font-size:2rem;

    margin-bottom:18px;

}

.contact-cta p{

    color:var(--text-light);

    max-width:650px;

    margin:auto;

    margin-bottom:35px;

}

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

footer{

    margin-top:120px;

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

    padding:40px 0;

    text-align:center;

    background:#ffffff;

}

footer p{

    color:var(--text-light);

    font-size:.95rem;

}

.footer-links{

    display:flex;

    justify-content:center;

    gap:28px;

    margin-top:18px;

}

.footer-links a{

    color:var(--text-light);

    transition:.3s;

    font-weight:500;

}

.footer-links a:hover{

    color:var(--primary);

}

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

.section{

    position:relative;

}

.section::after{

    content:"";

    position:absolute;

    bottom:0;

    left:50%;

    transform:translateX(-50%);

    width:70px;

    height:4px;

    background:#dbeafe;

    border-radius:100px;

}

/* Last section shouldn't have divider */

#contact.section::after{

    display:none;

}

/* ================= TITLE STYLING ================= */

.section-title h2{

    position:relative;

    display:inline-block;

}

.section-title h2::after{

    content:"";

    position:absolute;

    left:50%;

    transform:translateX(-50%);

    bottom:-14px;

    width:65px;

    height:4px;

    border-radius:100px;

    background:var(--primary);

}

/* ================= SELECTION ================= */

::selection{

    background:#2563eb;

    color:white;

}

/* ================= IMAGE PLACEHOLDER ================= */

.profile-image{

    width:240px;

    height:240px;

    border-radius:50%;

    object-fit:cover;

    border:6px solid white;

    box-shadow:0 20px 50px rgba(0,0,0,.10);

}

/* ================= SMALL UTILITIES ================= */

.container{

    width:min(92%,1200px);

    margin:auto;

}

.text-primary{

    color:var(--primary);

}

.shadow{

    box-shadow:var(--shadow);

}

.rounded{

    border-radius:16px;

}

.hidden{

    display:none;

}

/* ===========================================================
   PART 3B
   RESPONSIVE • ANIMATIONS • FINAL POLISH
===========================================================*/

/* ================= FADE IN ================= */

.fade-up{

    opacity:0;

    transform:translateY(40px);

    transition:opacity .8s ease, transform .8s ease;

}

.fade-up.show{

    opacity:1;

    transform:translateY(0);

}

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

.primary-btn,
.secondary-btn,
.resume-btn{

    cursor:pointer;

}

.primary-btn:active,
.secondary-btn:active,
.resume-btn:active{

    transform:scale(.97);

}

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

.project-card,
.skill-category,
.info-card,
.education-card,
.experience-card,
.cert-grid div,
.contact-grid > div{

    will-change:transform;

}

.project-card:hover{

    transform:translateY(-8px);

}

.skill-category:hover{

    transform:translateY(-8px);

}

.info-card:hover{

    transform:translateY(-8px);

}

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

header.scrolled{

    box-shadow:0 10px 30px rgba(0,0,0,.08);

}

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

.hero{

    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    padding-top:80px;

}

.hero-container{

    width:min(92%,1200px);
    display:grid;
    grid-template-columns:1.3fr .8fr;
    gap:70px;
    align-items:center;

}

.hero-left h1{

    font-size:4rem;
    font-weight:800;
    margin:20px 0;
    line-height:1.1;
    color:var(--text);

}

.hero-left h2{

    color:var(--text-light);
    font-size:1.3rem;
    line-height:2;
    font-weight:600;

}

.hero-left p{

    margin:35px 0;
    color:var(--text-light);
    font-size:1.08rem;
    max-width:650px;

}

.hero-right{

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

}

.profile-image{

    width:340px;
    height:420px;
    border-radius:20px;
    object-fit:cover;
    box-shadow:0 20px 50px rgba(0,0,0,.12);

}

.profile-image:hover{

    transform:scale(1.04);

}

/* ================= PROJECT LINKS ================= */

.project-links{

    display:flex;

    gap:16px;

    flex-wrap:wrap;

}

.project-links a{

    padding:10px 18px;

    border-radius:10px;

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

    transition:.3s;

}

.project-links a:hover{

    background:var(--primary);

    color:#fff;

    border-color:var(--primary);

}

/* ================= TECH STACK ================= */

.tech-stack{

    margin-top:25px;

}

.tech-stack span{

    transition:.25s;

}

.tech-stack span:hover{

    transform:translateY(-3px);

}

/* ================= SKILL CHIPS ================= */

.skill-list{

    display:flex;

    flex-wrap:wrap;

    gap:12px;

    margin-top:18px;

}

.skill-list span{

    background:#eff6ff;

    color:var(--primary);

    border-radius:50px;

    padding:10px 18px;

    font-size:.92rem;

    font-weight:600;

    transition:.3s;

}

.skill-list span:hover{

    background:var(--primary);

    color:#fff;

}

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

.contact-grid a{

    color:var(--primary);

    font-weight:600;

}

.contact-grid a:hover{

    text-decoration:none;

}

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

footer{

    user-select:none;

}

footer p{

    letter-spacing:.3px;

}

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

.mobile-menu{

    display:none;

    cursor:pointer;

}

.mobile-menu span{

    display:block;

    width:28px;

    height:3px;

    margin:6px;

    background:var(--text);

    transition:.3s;

}

/* ================= LAPTOP ================= */

@media(max-width:1200px){

.section{

padding:90px 0;

}

.hero h1{

font-size:3.6rem;

}

}

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

@media(max-width:992px){

.navbar{

flex-wrap:wrap;

height:auto;

padding:20px 0;

}

.nav-links{

gap:24px;

}

.hero{

padding-top:130px;

}

.hero h1{

font-size:3rem;

}

.hero h2{

font-size:1.25rem;

}

.about-grid{

grid-template-columns:1fr;

gap:45px;

}

.projects-container{

grid-template-columns:1fr;

}

.skills-grid{

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

}

.cert-grid{

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

}

.contact-grid{

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

}

}

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

@media(max-width:768px){

.navbar{

justify-content:center;

}

.nav-links{

flex-wrap:wrap;

justify-content:center;

gap:16px;

margin:18px 0;

}

.resume-btn{

margin-top:10px;

}

.hero{

padding-top:170px;

}

.hero h1{

font-size:2.5rem;

line-height:1.2;

}

.hero h2{

font-size:1rem;

line-height:1.8;

}

.hero h2 span{

display:none;

}

.hero p{

font-size:1rem;

}

.hero-buttons{

flex-direction:column;

align-items:center;

}

.primary-btn,

.secondary-btn{

width:230px;

text-align:center;

}

.section-title h2{

font-size:2rem;

}

.skills-grid{

grid-template-columns:1fr;

}

.cert-grid{

grid-template-columns:1fr;

}

.contact-grid{

grid-template-columns:1fr;

}

.tech-stack{

gap:10px;

}

.tech-stack span{

font-size:.82rem;

}

.profile-image{

width:180px;

height:180px;

}

}

/* ================= SMALL DEVICES ================= */

@media(max-width:480px){

.hero h1{

font-size:2rem;

}

.hero p{

font-size:.95rem;

}

.section{

width:94%;

}

.project-card{

padding:24px;

}

.featured{

padding:24px;

}

.info-card{

padding:22px;

}

.skill-category{

padding:22px;

}

}

/* ================= BACK TO TOP ================= */

#topBtn{

position:fixed;

right:30px;

bottom:30px;

width:52px;

height:52px;

border:none;

border-radius:50%;

background:var(--primary);

color:#fff;

font-size:20px;

cursor:pointer;

display:none;

box-shadow:0 10px 25px rgba(0,0,0,.18);

transition:.3s;

z-index:999;

}

#topBtn:hover{

background:var(--primary-dark);

transform:translateY(-4px);

}

/* ================= FINAL POLISH ================= */

::selection{

background:var(--primary);

color:white;

}

button{

font-family:inherit;

}

input,
textarea{

font-family:inherit;

}

img{

user-select:none;

pointer-events:none;

}

.section:last-child{

padding-bottom:120px;

}

.project-features{

    margin-top:25px;

    margin-bottom:30px;

    padding-left:22px;

}

.project-features li{

    margin-bottom:12px;

    color:var(--text-light);

    line-height:1.8;

}


@media(max-width:992px){

.hero-container{

grid-template-columns:1fr;

text-align:center;

}

.hero-right{

order:-1;

}

.profile-image{

width:260px;

height:260px;

margin:auto;

}

}