style.css

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', 'Plus Jakarta Sans', 'Segoe UI', sans-serif;
    background: #0f172a;
    color: #e2e8f0;
    transition: 0.3s;
    padding-top: 42px; /* offset for fixed ticker height */
}

/* ================= MARQUEE TICKER ================= */

.status-ticker {
    width: 100%;
    background: linear-gradient(90deg, rgba(30, 41, 59, 0.97), rgba(15, 23, 42, 0.97));
    border-bottom: 1px solid rgba(251, 146, 60, 0.3);
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10000;
    padding: 10px 0;
    font-size: 14px;
    font-weight: 600;
    color: #fdba74;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.ticker-track {
    display: flex;
    width: max-content;
    animation: marqueeScroll 28s linear infinite;
}

.status-ticker:hover .ticker-track {
    animation-play-state: paused;
}

.ticker-group {
    display: flex;
    align-items: center;
    gap: 24px;
    padding-right: 24px;
    white-space: nowrap;
}

.ticker-dot {
    color: #fb923c;
    font-size: 16px;
}

@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.light-mode .status-ticker {
    background: linear-gradient(90deg, #fff7ed, #ffedd5);
    border-bottom: 1px solid rgba(251, 146, 60, 0.4);
    color: #ea580c;
}

/* ================= SECTIONS ================= */


.section {
    width: 100%;
    padding: 10vh 8vw;
}

.section h2 {
    font-size: 36px;
    margin-bottom: 30px;
    color: #fb923c;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.section h3 {
    margin-bottom: 20px;
    font-size: 20px;
    color: #fb923c;
    font-weight: 600;
}

.section p {
    line-height: 1.8;
    color: #cbd5e1;
}

/* ================= SIDEBAR ================= */

.side-nav {
    position: fixed;
    right: 2vw;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 18px;
    z-index: 9999;
}

.side-nav a,
.side-nav button {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: #1e293b;
    color: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border: 1px solid rgba(251, 146, 60, 0.2);
    cursor: pointer;
    transition: 0.3s;
}

.side-nav a:hover,
.side-nav button:hover {
    background: #fb923c;
    color: #0f172a;
    box-shadow: 0 0 15px rgba(251, 146, 60, 0.35);
}

.lang-nav-item {
    position: relative;
    display: flex;
    align-items: center;
}

.lang-tooltip {
    position: absolute;
    right: 58px;
    white-space: nowrap;
    background: linear-gradient(135deg, #fb923c 0%, #f59e0b 100%);
    color: #0f172a;
    font-weight: 700;
    font-size: 12px;
    padding: 6px 14px;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(251, 146, 60, 0.25);
    opacity: 0.95;
    pointer-events: none;
    transition: all 0.3s ease;
    animation: pulseTooltip 2.5s infinite ease-in-out;
}

@keyframes pulseTooltip {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(-5px); }
}

.light-mode .lang-tooltip {
    background: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
    color: #ffffff;
}

#lang-toggle {
    font-weight: 700;
    font-size: 15px;
    font-family: inherit;
    border: 1.5px solid #fb923c;
}

.light-mode #lang-toggle {
    border: 1.5px solid #f97316;
    color: #0f172a;
    background: #f1f5f9;
}

.side-nav a.active {
    background: linear-gradient(135deg, #fb923c 0%, #f59e0b 100%);
    color: #0f172a;
    box-shadow: 0 0 15px rgba(251, 146, 60, 0.3);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6vw;
    position: relative;
    z-index: 1;
    padding-left: 6vw;
    padding-right: 8vw;
}

.hero-text {
    flex: 1;
    min-width: 0;
    text-align: left;
}

.iith-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(251, 146, 60, 0.1);
    border: 1px solid rgba(251, 146, 60, 0.3);
    color: #fdba74;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}

.hero-text h1 {
    font-size: 46px;
    font-weight: 800;
    line-height: 1.2;
}

.hero-text h2 {
    margin-top: 15px;
    color: #fb923c;
    font-weight: 600;
}

.hero-text p {
    margin-top: 20px;
    font-size: 17px;
}

/* Light Orange Shape */

.green-shape {
    position: absolute;
    left: 0;
    top: 0;
    width: 22%;
    height: 100%;
    background: linear-gradient(135deg, rgba(251, 146, 60, 0.75) 0%, rgba(245, 158, 11, 0.6) 100%);
    clip-path: polygon(0 0, 100% 0, 70% 100%, 0% 100%);
    z-index: 0;
}

/* Image Box */

.image-box {
    background: #1e293b;
    padding: 16px;
    border-radius: 24px;
    width: 350px;
    height: 420px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1.5px solid rgba(251, 146, 60, 0.25);
}

.image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
}

/* Buttons */

.buttons {
    margin-top: 30px;
    display: flex;
    gap: 20px;
    justify-content: flex-start;
}

.btn {
    padding: 12px 32px;
    background: linear-gradient(135deg, #fb923c 0%, #f59e0b 100%);
    color: #0f172a;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(251, 146, 60, 0.25);
    transition: 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(251, 146, 60, 0.4);
}

.btn-outline {
    padding: 12px 32px;
    border: 1.5px solid #fb923c;
    color: #fdba74;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
}

.btn-outline:hover {
    background: rgba(251, 146, 60, 0.12);
    color: #ffffff;
}

.highlight {
    color: #fb923c;
}

/* ================= CARDS ================= */

.project-card,
.publication,
.course-list li,
.achievement-list li {
    background: #1e293b;
    border-radius: 12px;
    padding: 22px;
    margin-bottom: 20px;
    border-left: 3.5px solid #fb923c;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.2);
    transition: 0.3s;
}

.course-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.course-list li {
    margin-bottom: 0;
    display: flex;
    align-items: center;
}

.project-card:hover,
.publication:hover,
.course-list li:hover,
.achievement-list li:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 22px rgba(251, 146, 60, 0.15);
}

.project-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0;
}

.tech-badge {
    background: rgba(251, 146, 60, 0.12);
    border: 1px solid rgba(251, 146, 60, 0.3);
    color: #fdba74;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 14px;
}

.light-mode .tech-badge {
    background: #ffedd5;
    border-color: #f97316;
    color: #c2410c;
}

.project-bullets {
    margin-top: 10px;
    padding-left: 20px;
    color: #cbd5e1;
    line-height: 1.75;
}

.project-bullets li {
    margin-bottom: 6px;
}

.light-mode .project-bullets {
    color: #334155;
}

.project-links {
    margin-top: 16px;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.project-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #38bdf8;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: 0.2s;
}

.project-link-btn:hover {
    color: #7dd3fc;
    text-decoration: underline;
}

.light-mode .project-link-btn {
    color: #0284c7;
}


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

.skill {
    margin-bottom: 25px;
}

.skill p {
    font-weight: 600;
    margin-bottom: 8px;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: #1e293b;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.progress {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #fb923c 0%, #fbbf24 100%);
    border-radius: 10px;
    transition: width 1.5s ease;
}

/* ================= RESEARCH TAGS ================= */

.research-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.research-tags span {
    padding: 10px 20px;
    background: #1e293b;
    border: 1px solid rgba(251, 146, 60, 0.25);
    color: #fdba74;
    font-weight: 600;
    border-radius: 20px;
    font-size: 14px;
    opacity: 0;
    transform: translateY(20px);
    transition: 0.3s;
}

.research-tags span.show {
    opacity: 1;
    transform: translateY(0);
}

/* ================= MODAL ================= */

.cv-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.88);
    backdrop-filter: blur(8px);
    justify-content: center;
    align-items: center;
    z-index: 300;
    padding: 16px;
}

.cv-content {
    background: #0f172a;
    border: 1.5px solid #fb923c;
    width: 90%;
    max-width: 800px;
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
    animation: modalFadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.cert-modal-content {
    max-width: 720px;
    padding: 24px;
    text-align: center;
    position: relative;
}

.cert-img {
    width: 100%;
    height: auto;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
    margin-top: 10px;
    border: 1px solid rgba(251, 146, 60, 0.2);
}

.cert-actions {
    margin-top: 18px;
    display: flex;
    justify-content: center;
}

.cert-pdf-btn {
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #fb923c, #f59e0b);
    color: #0f172a;
    border-radius: 8px;
    box-shadow: 0 4px 14px rgba(251, 146, 60, 0.3);
    transition: all 0.2s ease;
}

.cert-pdf-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(251, 146, 60, 0.5);
}

.close-btn {
    float: right;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    color: #fb923c;
    transition: color 0.2s, transform 0.2s;
}

.close-btn:hover {
    color: #fdba74;
    transform: scale(1.15);
}


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


.contact-minimal {
    font-size: 16px;
}

.contact-minimal a {
    text-decoration: none;
    color: #fb923c;
    font-weight: 600;
}

.contact-minimal a:hover {
    text-decoration: underline;
}

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

.light-mode {
    background: #f8fafc;
    color: #0f172a;
}

.light-mode .section p {
    color: #334155;
}

.light-mode .project-card,
.light-mode .publication,
.light-mode .course-list li,
.light-mode .achievement-list li,
.light-mode .progress-bar {
    background: #ffffff;
    color: #0f172a;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.light-mode .research-tags span {
    background: #ffffff;
    color: #ea580c;
}

.light-mode .image-box {
    background: #ffffff;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.light-mode .side-nav a,
.light-mode .side-nav button {
    background: #ffffff;
    color: #0f172a;
    border: 1px solid rgba(251, 146, 60, 0.3);
}

.light-mode .cv-content {
    background: #ffffff;
}

.light-mode .contact-minimal a {
    color: #ea580c;
}

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

@media (max-width: 900px) {

    .hero-container {
        flex-direction: column;
        text-align: center;
    }

    .hero-text {
        text-align: center;
    }

    .buttons {
        justify-content: center;
    }

    .image-box {
        width: 260px;
        height: 320px;
    }

    .hero-text h1 {
        font-size: 32px;
    }

    .green-shape {
        display: none;
    }

    .side-nav {
        right: 10px;
    }

    .course-list {
        grid-template-columns: 1fr;
    }
}