/* ===== CSS Variables ===== */
:root {
    --bg-color: #0d0a1b; /* Deep studio purple-indigo matching the uploaded image */
    --card-bg: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --gradient-start: #6366f1;
    --gradient-end: #a855f7;
    --gradient-bg: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --nav-height: 60px;
}

/* ===== Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

/* ===== Reusable Utilities ===== */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 5%;
}

.gradient-text {
    background: var(--gradient-bg);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.underline {
    height: 4px;
    width: 60px;
    background: var(--gradient-bg);
    margin: 0 auto;
    border-radius: 2px;
}

/* ===== Buttons ===== */
.btn-primary, .btn-secondary, .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    font-weight: 600;
    border-radius: 50px;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--gradient-bg);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    backdrop-filter: blur(5px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--gradient-start);
    color: var(--gradient-start);
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: var(--bg-color); /* Solid background instantly */
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5); /* subtle shadow when scrolling */
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.header-logo {
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-links a:not(.nav-cta):hover {
    color: var(--gradient-start);
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* ===== Hero Section ===== */
.hero {
    min-height: calc(100vh - var(--nav-height));
    margin-top: var(--nav-height); /* explicitly start below header */
    display: flex;
    position: relative;
    overflow: hidden;
    background: linear-gradient(
        to right,
        #000 0%,
        #000 38%,
        rgba(0,0,0,0.85) 45%,
        rgba(0,0,0,0.5) 52%,
        rgba(0,0,0,0.15) 58%,
        transparent 65%
    );
}

.hero-container {
    display: flex;
    align-items: center;
    max-width: 1350px; /* Base container width */
    margin: 0 auto;
    width: 100%;
    padding-top: 0;
}

/* Left Side Text Content */
.hero-text {
    width: 40%;
    padding-left: 5%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: left;
    position: relative;
    z-index: 2; /* Sits above the gradient */
}

/* Right Side Image Content */
.hero-image-wrapper {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    z-index: -1; /* Sits below the hero background gradient */
}

.image-inner {
    width: 100%;
    height: 100%;
    border-radius: 0;
    overflow: hidden;
    box-shadow: none;
    border: none;
    background-color: transparent;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 75% 10%; /* Shifted vertical framing to ensure hair is visible */
    border-radius: 0;
    display: block;
    filter: brightness(1.08) contrast(1.05);
}

.greeting {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.name {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.typing-text {
    font-weight: 600;
}

.cursor {
    display: inline-block;
    width: 3px;
    animation: blink 1s step-end infinite;
    color: var(--gradient-start);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.tagline {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 90%;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    flex-wrap: wrap;
}

/* Ambient Background Shapes for Hero */
.hero-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.shape-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: rgba(50, 30, 180, 0.4);
}

.shape-2 {
    bottom: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: rgba(30, 90, 220, 0.3);
}

/* ===== About Section ===== */
.about .glass-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding: 3rem;
}

.about-text h3, .skills-container h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill-tag {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.skill-tag:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--gradient-start);
    transform: translateY(-2px);
}

.skill-icon {
    color: #cbd5e1;
}

.skill-tag:hover .skill-icon {
    color: var(--gradient-start);
}


/* ===== Services Section ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(168, 85, 247, 0.3);
}

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.1));
    border-radius: 20px;
    color: var(--gradient-start);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--gradient-bg);
    color: white;
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== Certifications Section ===== */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.cert-card {
    background: #111;
    border-radius: 12px;
    padding: 15px;
    transition: 0.3s ease;
    text-align: center;
}

.cert-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(130, 87, 255, 0.2);
}

.cert-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
}

.cert-card h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.cert-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.cert-card a {
    display: inline-block;
    color: white;
    background: linear-gradient(45deg, #7b61ff, #a855f7);
    padding: 8px 14px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.cert-card a:hover {
    opacity: 0.9;
    transform: scale(1.05);
}

/* ===== Contact Section ===== */
.contact-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: 3rem;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.2rem;
    color: var(--text-secondary);
}

.contact-item i {
    color: var(--gradient-start);
    font-size: 1.2rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.social-icon:hover {
    background: var(--gradient-bg);
    border-color: transparent;
    transform: translateY(-3px);
}

/* Stylish Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-group {
    position: relative;
    width: 100%;
}

.input-group input, 
.input-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.input-group textarea {
    resize: vertical;
    min-height: 120px;
}

.input-group label {
    position: absolute;
    left: 1rem;
    top: 1rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    pointer-events: none;
}

.input-highlight {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-bg);
    transition: width 0.4s ease;
    border-radius: 0 0 10px 10px;
}

.input-group input:focus,
.input-group textarea:focus {
    background: rgba(255, 255, 255, 0.05);
    border-color: transparent;
}

.input-group input:focus ~ .input-highlight,
.input-group textarea:focus ~ .input-highlight {
    width: 100%;
}

/* Magic label floating effect using placeholder-shown pseudo-class */
.input-group input:focus ~ label,
.input-group textarea:focus ~ label,
.input-group input:not(:placeholder-shown) ~ label,
.input-group textarea:not(:placeholder-shown) ~ label {
    top: -0.6rem;
    left: 0.8rem;
    font-size: 0.8rem;
    background: var(--bg-color);
    padding: 0 0.5rem;
    color: var(--gradient-start);
    border-radius: 4px;
}

.form-submit {
    width: 100%;
    margin-top: 0.5rem;
}

/* ===== Footer ===== */
footer {
    padding: 2rem 5%;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== Scroll Animations ===== */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

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

/* ===== Floating WhatsApp Button ===== */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition);
}

.floating-whatsapp:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.6);
    color: white;
}

/* ===== Responsive Design ===== */
@media (max-width: 992px) {
    .about .glass-card,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
        z-index: 1001;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(5, 5, 5, 0.95);
        backdrop-filter: blur(15px);
        flex-direction: column;
        justify-content: center;
        transition: 0.4s ease-in-out;
        border-left: 1px solid var(--border-color);
    }

    .nav-links.active {
        right: 0;
    }

    .section-container {
        padding: 80px 5%;
    }

    .hero {
        background: #000;
    }

    .hero::after {
        display: none;
    }

    .hero-container {
        display: flex;
        flex-direction: column;
        text-align: center;
        gap: 3rem;
        padding-top: calc(var(--nav-height) + 2rem);
        padding-bottom: 3rem;
    }
    
    .hero-text {
        width: 100%;
        text-align: center;
        align-items: center;
        order: 2; /* Put text below image on mobile */
        padding: 0 5%;
    }
    
    .hero-image-wrapper {
        position: relative;
        z-index: auto; /* Reset z-index on mobile */
        height: auto;
        width: 100%;
        justify-content: center;
        order: 1; /* Image on top */
        max-width: 90%;
        margin: 0 auto;
    }
    
    .profile-image {
        height: auto;
        object-fit: contain;
    }
    
    .tagline {
        max-width: 100%;
        margin: 0 auto 2.5rem auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about .glass-card,
    .contact-content {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
}