/* Base Settings & Variables */
:root {
    /* Color Palette derived from the original website */
    --clr-primary-dark: #2A2B67;
    /* Deep purple/blue */
    --clr-primary-light: #3A3BAC;
    --clr-accent: #FF9933;
    /* Vibrant Orange */
    --clr-accent-hover: #E68A2E;

    --clr-text-main: #333333;
    --clr-text-light: #666666;
    --clr-bg-light: #F8F9FA;
    --clr-white: #FFFFFF;

    --clr-border: #E0E0E0;

    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Nunito', sans-serif;

    /* Shadows & Transitions */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--clr-text-main);
    background-color: var(--clr-white);
    line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--clr-primary-dark);
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: var(--clr-primary-light);
    transition: var(--transition);
}

a:hover {
    color: var(--clr-accent);
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--clr-accent);
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--clr-primary-dark);
    color: var(--clr-white);
}

.btn-primary:hover {
    background-color: var(--clr-primary-light);
    color: var(--clr-white);
}

.btn-accent {
    background-color: var(--clr-accent);
    color: var(--clr-white);
}

.btn-accent:hover {
    background-color: var(--clr-accent-hover);
    color: var(--clr-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 153, 51, 0.4);
}

.btn-large {
    padding: 14px 32px;
    font-size: 1.1rem;
}

/* Announcement Bar */
.announcement-bar {
    background-color: var(--clr-primary-dark);
    color: var(--clr-white);
    text-align: center;
    padding: 8px 15px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Header */
.header {
    background-color: var(--clr-white);
    border-bottom: 1px solid var(--clr-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo img {
    height: 120px;
    width: auto;
    object-fit: contain;
}

.nav ul {
    display: flex;
    gap: 30px;
}

.nav a {
    color: var(--clr-primary-dark);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
}

.nav a:hover {
    color: var(--clr-accent);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    min-height: calc(100vh - 130px);
    background-color: var(--clr-bg-light);
    position: relative;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: 40px 20px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.8);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 35px;
    color: var(--clr-text-main);
    font-weight: 600;
}

/* Categories Section */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.card {
    background: var(--clr-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--clr-border);
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--clr-accent);
}

.card-img {
    height: 250px;
    overflow: hidden;
    background-color: #f0f0f0;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card-img img {
    transform: scale(1.05);
}

.card-content {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.card-content p {
    color: var(--clr-text-light);
    margin-bottom: 25px;
    flex-grow: 1;
}

.link-arrow {
    display: inline-block;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--clr-accent);
}

.link-arrow:hover {
    color: var(--clr-primary-dark);
}

/* Info Section */
.info-section {
    background-color: var(--clr-primary-dark);
    color: var(--clr-white);
}

.feature-flex {
    display: flex;
    justify-content: center;
}

.feature-text {
    max-width: 800px;
    text-align: center;
}

.feature-text h2 {
    color: var(--clr-white);
}

.feature-list {
    text-align: left;
    margin-top: 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.feature-list li {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--clr-accent);
}

/* Footer */
.footer {
    background-color: #1a1a1a;
    color: #f1f1f1;
    padding-top: 60px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 50px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: #aaaaaa;
}

.footer-links h4 {
    color: var(--clr-white);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: #aaaaaa;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--clr-accent);
    padding-left: 5px;
}

.footer-bottom {
    background-color: #111111;
    padding: 20px 0;
    text-align: center;
    color: #777777;
    font-size: 0.9rem;
}

/* Calculator Section */
.calculator-section {
    background-color: var(--clr-bg-light);
}

.calculator-box {
    background: var(--clr-white);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid var(--clr-border);
}

.calc-desc {
    text-align: center;
    color: var(--clr-text-light);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.calc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--clr-primary-dark);
}

.form-group input,
.form-group select {
    padding: 12px 15px;
    border: 1px solid var(--clr-border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--font-body);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--clr-accent);
    box-shadow: 0 0 0 3px rgba(255, 153, 51, 0.2);
}

.calc-action {
    text-align: center;
}

.result-box {
    margin-top: 30px;
    padding: 20px;
    background-color: rgba(42, 43, 103, 0.05);
    border-left: 4px solid var(--clr-accent);
    border-radius: 4px;
    text-align: center;
}

.result-box h3 {
    margin-bottom: 10px;
    color: var(--clr-primary-dark);
}

.highlight {
    color: var(--clr-accent);
    font-size: 1.8rem;
    font-weight: 800;
}

/* Media Queries for Responsiveness */
@media (max-width: 900px) {
    .header-container {
        flex-direction: column;
        height: auto;
        padding: 20px;
        gap: 20px;
    }

    .nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

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

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

    .footer-container {
        grid-template-columns: 1fr;
    }
}