/* --- General Setup & Variables --- */
:root {
    --color-pink: #EE91BC;
    --color-yellow: #FFDC5C;
    --color-green: #8BDB81;
    --color-dark: #2c3e50;
    --color-light: #ffffff;
    --color-gray: #f8fafc;
    --font-family: 'Poppins', sans-serif;
    --transition-speed: 0.3s cubic-bezier(.4,0,.2,1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-dark);
    line-height: 1.7;
    background: var(--color-light);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- Header & Navigation --- */
.site-header {
    background: linear-gradient(90deg, #f8fafc 0%, #f4e9f7 60%, #eaf7f4 100%);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 100;
    border-bottom: 1px solid #eee;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    padding-left: 2.5rem;
    padding-right: 2.5rem;
    gap: 2rem;
}

.main-nav .logo {
    display: flex;
    align-items: center;
    margin-right: 0;
}

.main-nav .logo img {
    height: 56px;
    width: auto;
    max-width: 180px;
    display: block;
    object-fit: contain;
    margin-right: 16px;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.10));
    transition: height 0.3s;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin-left: auto;
}

.main-nav ul li a {
    color: var(--color-dark);
    text-decoration: none;
    padding: 0.8rem 1.2rem;
    font-weight: 600;
    font-size: 1.08rem;
    border-radius: 8px;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.main-nav ul li a:hover,
.main-nav ul li a.active {
    color: var(--color-pink);
    background: #fff6fa;
    box-shadow: 0 4px 16px rgba(238,145,188,0.08);
}

/* --- Responsive Navbar --- */
@media (max-width: 900px) {
    .main-nav {
        padding-left: 1rem;
        padding-right: 1rem;
        height: 64px;
    }
    .main-nav .logo img {
        height: 40px;
        max-width: 120px;
    }
    .main-nav ul {
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .main-nav {
        flex-direction: row;
        height: 56px;
    }
    .main-nav .logo img {
        height: 32px;
        max-width: 90px;
    }
    .main-nav ul {
        display: none; /* Hamburger menu can be added here */
    }
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(120deg, var(--color-pink) 0%, var(--color-yellow) 50%, var(--color-green) 100%);
    background-size: 300% 300%;
    animation: gradientBG 12s cubic-bezier(.4,0,.2,1) infinite;
    color: var(--color-dark);
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    25% { background-position: 50% 100%; }
    50% { background-position: 100% 50%; }
    75% { background-position: 50% 0%; }
    100% { background-position: 0% 50%; }
}

.hero-content {
    animation: heroFadeIn 1.2s ease-out;
    background: rgba(255,255,255,0.85);
    padding: 2.5rem 2rem;
    border-radius: 18px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.07);
}

@keyframes heroFadeIn {
    0% {
        opacity: 0;
        transform: translateY(40px) scale(0.98);
    }
    60% {
        opacity: 0.7;
        transform: translateY(-10px) scale(1.02);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.hero-content h1 {
    font-size: 3.2rem;
    margin-bottom: 1rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(90deg, var(--color-pink), var(--color-yellow), var(--color-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: #444;
}

.cta-button {
    background: var(--color-dark);
    color: var(--color-light);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition-speed);
    border: 2px solid transparent;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.cta-button:hover {
    background: var(--color-light);
    color: var(--color-dark);
    border: 2px solid var(--color-pink);
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 5px 15px rgba(0,0,0,0.12);
}

/* --- Content Sections --- */
.content-section {
    padding: 6rem 0;
}

.content-section:nth-of-type(odd) {
    background-color: var(--color-gray);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    font-weight: 700;
    letter-spacing: 1px;
    background: linear-gradient(90deg, var(--color-pink), var(--color-yellow), var(--color-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-image: linear-gradient(to right, var(--color-pink), var(--color-yellow), var(--color-green));
    border-radius: 2px;
}

/* --- Skills Section --- */
.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.skill-category {
    background: var(--color-light);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 24px rgba(0,0,0,0.07);
    transition: box-shadow 0.2s;
    border-top: 5px solid var(--color-pink);
}

.skill-category:nth-child(2) {
    border-top: 5px solid var(--color-green);
}

.skill-category h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--color-pink), var(--color-yellow), var(--color-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skill-category ul {
    list-style: none;
    padding-left: 0;
}

.skill-category ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-gray);
    font-size: 1.05rem;
}

.skill-category ul li:last-child {
    border-bottom: none;
}

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

.portfolio-item {
    background: var(--color-light);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.07);
    transition: var(--transition-speed);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-top: 2rem;
    border-top: 5px solid var(--color-yellow);
}

.portfolio-item:nth-child(1) {
    border-top: 5px solid var(--color-pink);
}
.portfolio-item:nth-child(3) {
    border-top: 5px solid var(--color-green);
}

.portfolio-item:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 15px 30px rgba(0,0,0,0.13);
}

.portfolio-item i {
    margin-bottom: 18px;
    padding-top: 16px;
    font-size: 3.5rem;
}

.portfolio-info {
    padding: 1.2rem;
}

.portfolio-info h3 {
    margin-bottom: 0.7rem;
    font-size: 1.18rem;
    font-weight: 700;
}

.portfolio-info p {
    color: #555;
    font-size: 1.05rem;
}

/* --- Contact Section --- */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-gray);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
}

.form-group {
    margin-bottom: 1.5rem;
}

input, textarea {
    width: 100%;
    padding: 0.9rem;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-family: var(--font-family);
    font-size: 1rem;
    background: #fff;
    transition: border 0.2s;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--color-green);
}

form button {
    width: 100%;
    cursor: pointer;
    background: var(--color-pink);
    color: var(--color-dark);
    border: none;
    padding: 1rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: background 0.2s, color 0.2s;
}

form button:hover {
    background: var(--color-green);
    color: var(--color-light);
}

/* --- Footer --- */
footer {
    background: var(--color-dark);
    color: var(--color-light);
    text-align: center;
    padding: 2rem 0;
    font-size: 1rem;
    letter-spacing: 1px;
}

/* --- Animations on Scroll --- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in.visible .skill-category,
.fade-in.visible .portfolio-item {
    transition-delay: 0.2s;
}