/* ========================================================
   PRANAB C V | PREMIUM SALES & MARKETING PORTFOLIO
   Theme: Vibrant Architectural Coatings & Glassmorphism
   Fonts: Montserrat (Heading), Inter (Body)
   Colors: Charcoal/Graphite with Vibrant Teal & Orange
   ======================================================== */

:root {
    /* Dynamic Paint & Coatings Palette */
    --bg-dark: #0a0a0c;
    /* Obsidian */
    --bg-panel: rgba(20, 20, 24, 0.6);
    --bg-glass: rgba(255, 255, 255, 0.03);

    --accent-1: #00f2fe;
    /* Cyan/Teal */
    --accent-2: #4facfe;
    /* Aqua */
    --accent-3: #ff512f;
    /* Vibrant Orange */
    --accent-4: #f09819;
    /* Golden Yellow */

    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    /* Zinc-400 */
    --text-muted: #71717a;
    /* Zinc-500 */

    --border-glass: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.2);

    --font-head: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;

    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --radius-xl: 32px;
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-secondary);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

body.no-scroll {
    overflow: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

.container {
    width: 90%;
    max-width: 1240px;
    margin: 0 auto;
}

.mt-3 {
    margin-top: 1rem;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.center {
    text-align: center;
}

h1,
h2,
h3,
h4 {
    color: var(--text-primary);
    font-family: var(--font-head);
    line-height: 1.2;
}

/* === AMBIENT GRADIENT BACKGROUND === */
.ambient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: -2;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out alternate;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-1), var(--accent-2));
    top: -20%;
    left: -10%;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-3), var(--accent-4));
    bottom: -10%;
    right: -10%;
    animation-delay: -5s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #8a2387, #e94057);
    top: 40%;
    left: 40%;
    filter: blur(150px);
    opacity: 0.3;
    animation-delay: -10s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(5%, 10%) scale(1.1);
    }

    100% {
        transform: translate(-5%, -5%) scale(0.9);
    }
}

.noise-overlay {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* === GRADIENTS & TEXT === */
.text-gradient {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-4));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.badge-gradient {
    background: linear-gradient(135deg, var(--accent-3), var(--accent-4));
    color: #fff;
    padding: 6px 14px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.85rem;
}

.gradient-bg-1 {
    background: linear-gradient(135deg, #0cebeb, #20e3b2, #29ffc6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-bg-2 {
    background: linear-gradient(135deg, #f12711, #f5af19);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-bg-3 {
    background: linear-gradient(135deg, #8A2387, #E94057, #F27121);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-bg-4 {
    background: linear-gradient(135deg, #654ea3, #eaafc8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-head);
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 100px;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    color: #000;
    box-shadow: 0 8px 25px rgba(0, 242, 254, 0.3);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 242, 254, 0.5);
}

.btn-glass {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(10px);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

.btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-primary);
    padding: 10px 24px;
    font-size: 0.85rem;
}

.btn-outline:hover {
    background: #fff;
    color: #000;
}

/* === NAVBAR === */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    padding: 24px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 16px 0;
    background: rgba(10, 10, 12, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-family: var(--font-head);
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: -1px;
    color: #fff;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.nav-links a:hover {
    color: #fff;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 30px;
    z-index: 101;
}

.menu-toggle span {
    width: 100%;
    height: 2px;
    background: #fff;
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    z-index: 99;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 30px;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu a {
    font-family: var(--font-head);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.mobile-menu a:hover {
    color: #fff;
}

/* === SECTION HEADERS === */
.section {
    padding: 120px 0;
    position: relative;
    z-index: 2;
}

.section-header {
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--accent-3), var(--accent-4));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* === HERO SECTION === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    position: relative;
    z-index: 2;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 900;
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-desc {
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 540px;
}

.stats-ribbon {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    padding: 24px 32px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(10px);
    display: inline-flex;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: #fff;
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.hero-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Hero Visual & Image */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 650px;
}

.image-frame {
    position: relative;
    width: 380px;
    height: 500px;
    border-radius: 200px 200px 20px 20px;
    background: var(--bg-panel);
    border: 1px solid var(--border-hover);
    padding: 12px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 190px 190px 10px 10px;
    filter: grayscale(20%) contrast(1.1);
}

.profile-placeholder {
    display: none;
    width: 100%;
    height: 100%;
    border-radius: 190px 190px 10px 10px;
    background: var(--bg-dark);
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: rgba(15, 15, 18, 0.8);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-md);
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 0.95rem;
    color: #fff;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    z-index: 3;
}

.floating-badge svg {
    width: 24px;
    height: 24px;
    color: var(--accent-1);
}

.badge-1 {
    bottom: 10%;
    left: -20%;
    animation: floatBadge 6s infinite ease-in-out;
}

.badge-2 {
    top: 20%;
    right: -25%;
    animation: floatBadge 7s infinite ease-in-out reverse;
}

.badge-2 svg {
    color: var(--accent-3);
}

@keyframes floatBadge {

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

    50% {
        transform: translateY(-15px);
    }
}

/* === EXPERTISE GRID === */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.glass-card {
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    background: rgba(30, 30, 35, 0.6);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 24px;
}

.glass-card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.glass-card p {
    font-size: 1.05rem;
    line-height: 1.6;
}

/* === TIMELINE === */
.timeline-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-card {
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.standout-card {
    border: 1px solid rgba(0, 242, 254, 0.3);
}

.card-glow {
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: var(--accent-1);
    filter: blur(80px);
    opacity: 0.15;
    z-index: 0;
    pointer-events: none;
}

.tl-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
    gap: 16px;
}

.tl-title h3 {
    font-size: 1.6rem;
    margin-bottom: 6px;
}

.tl-company {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--accent-1);
}

.tl-date {
    font-family: var(--font-head);
    font-weight: 600;
    color: var(--text-muted);
}

.tl-body {
    position: relative;
    z-index: 1;
}

.styled-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.styled-list li {
    position: relative;
    padding-left: 24px;
    font-size: 1rem;
    color: var(--text-secondary);
}

.styled-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background: var(--accent-3);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-3);
}

/* === PROJECTS & EDUCATION DOUBLE COL === */
.double-col-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
}

.projects-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.project-item {
    display: flex;
    gap: 20px;
    background: var(--bg-panel);
    border: 1px solid var(--border-glass);
    padding: 30px;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.project-item:hover {
    border-color: rgba(255, 81, 47, 0.4);
    transform: translateX(5px);
}

.p-icon {
    width: 44px;
    height: 44px;
    color: var(--accent-3);
    flex-shrink: 0;
}

.p-content h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.p-content p {
    font-size: 0.95rem;
}

.data-block {
    padding: 40px;
    border-radius: var(--radius-lg);
    background: var(--bg-panel);
    border: 1px solid var(--border-glass);
}

.block-title {
    font-size: 1.5rem;
    margin-bottom: 30px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-glass);
}

.edu-entry h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
    color: #fff;
}

.edu-entry p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.highlight {
    color: var(--accent-1);
    font-weight: 600;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.skill-tags span {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: var(--font-head);
}

/* === FOOTER === */
.footer {
    padding: 80px 0 30px;
    border-top: 1px solid var(--border-glass);
    position: relative;
    z-index: 2;
    background: rgba(0, 0, 0, 0.3);
}

.footer-interior {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 60px;
}

.footer-cta {
    max-width: 600px;
    margin-bottom: 60px;
}

.footer-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.footer-contact-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    width: 100%;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 30px;
    background: var(--bg-panel);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    transition: var(--transition);
    min-width: 280px;
    text-align: left;
}

.contact-card:hover {
    border-color: var(--accent-1);
    transform: translateY(-5px);
    background: rgba(0, 242, 254, 0.05);
}

.c-icon {
    width: 32px;
    height: 32px;
    color: var(--text-primary);
}

.contact-card h5 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 4px;
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-card p {
    font-weight: 600;
    color: #fff;
    font-size: 1.1rem;
}

.footer-bottom {
    border-top: 1px solid var(--border-glass);
    padding-top: 30px;
    text-align: center;
}

/* === ANIMATIONS === */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.15s;
}

.delay-2 {
    transition-delay: 0.3s;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }

    .hero-desc {
        margin: 0 auto 40px;
    }

    .stats-ribbon {
        justify-content: center;
    }

    .hero-actions {
        justify-content: center;
    }

    .double-col-grid {
        grid-template-columns: 1fr;
    }

    .project-item {
        flex-direction: column;
    }
}

@media (max-width: 768px) {

    .nav-links,
    .nav-cta {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: clamp(2.5rem, 10vw, 3.5rem);
    }

    .stats-ribbon {
        flex-direction: column;
        gap: 20px;
        align-items: center;
        width: 100%;
        padding: 30px 20px;
    }

    .hero-visual {
        height: 500px;
    }

    .image-frame {
        width: 300px;
        height: 400px;
    }

    .floating-badge {
        display: none;
    }

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

    .footer-contact-grid {
        flex-direction: column;
        align-items: center;
    }

    .contact-card {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .btn {
        width: 100%;
    }

    .glass-card,
    .timeline-card,
    .data-block {
        padding: 30px 20px;
    }

    .timeline-card .tl-header {
        flex-direction: column;
        align-items: flex-start;
    }
}