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

/* Root Variables */
:root {
    /* Color Palette */
    --color-primary: #1F2937;
    --color-secondary: #C87A2B;
    --color-tertiary: #111827;
    --color-background: #F5F7FA;
    --color-surface: #FFFFFF;

    --color-text-primary: #111827;
    --color-text-secondary: #4B5563;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing Scale */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Layout */
    --container-max-width: 1280px;
    --container-padding: 2rem;
    --header-height: 80px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Base Styles */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.2;
    font-weight: var(--font-weight-bold);
}

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

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

/*Layout Components*/

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Header Styles*/

.site-header {
    background-color: var(--color-surface);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Brand/Logo */
.brand a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: opacity var(--transition-fast);
}

.brand a:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 72px;
    height: auto;
}

.brand-name {
    font-size: 0.875rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.5px;
    color: var(--color-text-primary);
}

/* Burger Menu Button */
.burger-menu {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    position: relative;
}

.burger-menu span {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--color-text-primary);
    border-radius: 3px;
    transition: all var(--transition-base);
    position: absolute;
}

.burger-menu span:nth-child(1) {
    top: 10px;
}

.burger-menu span:nth-child(2) {
    top: 18px;
}

.burger-menu span:nth-child(3) {
    top: 26px;
}

/* Burger menu active state */
.burger-menu.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 18px;
}

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

.burger-menu.active span:nth-child(3) {
    transform: rotate(-45deg);
    top: 18px;
}

/* Navigation */
.main-navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    list-style: none;
}

.nav-link {
    display: block;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-primary);
    background-color: rgba(0, 0, 0, 0.04);
}

.nav-link.active {
    color: var(--color-surface);
    background-color: var(--color-primary);
}

/* Header CTA */
.header-cta {
    flex-shrink: 0;
}

/*Button Styles */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: var(--font-weight-semibold);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-surface);
}

.btn-primary:hover {
    background-color: #0F172A;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-surface);
}

.btn-secondary:hover {
    background-color: #e89450;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-tertiary {
    background-color: var(--color-tertiary);
    color: var(--color-surface);
}

.btn-tertiary:hover {
    background-color: #1a1a1a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.icon-arrow {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

/* Main Content*/

main {
    padding-top: var(--header-height);
}

/*Hero Section*/

.hero-section {
    padding: var(--space-3xl) 0;
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

/* Hero Text */
.hero-text {
    max-width: 540px;
}

.hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.15;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
}

.hero-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Hero Images */
.hero-images {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.hero-image-main,
.hero-image-secondary {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background-color: #e5e7eb;
}

.hero-image-main {
    aspect-ratio: 6 / 7;
}

.hero-image-secondary {
    position: absolute;
    bottom: 0;
    right: -2rem;
    width: 50%;
    aspect-ratio: 4 / 5;
    border: 4px solid var(--color-background);
    z-index: 10;
}

.hero-image-main img,
.hero-image-secondary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/*Footer*/

.site-footer {
    padding: var(--space-xl) 0;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-copyright {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/*Responsive Design */

/* Desktop (769px and up) */
@media (min-width: 769px) {
    .burger-menu {
        display: none !important;
    }

    .main-navigation {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0;
        background-color: transparent;
    }

    .nav-list {
        flex-direction: row;
        align-items: center;
    }

    .header-cta {
        display: block;
    }
}

/* Tablet & Mobile (768px and down) */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --header-height: 70px;
    }

    /* Show burger menu */
    .burger-menu {
        display: flex;
    }

    /* Hide desktop CTA */
    .header-cta {
        display: none;
    }

    /* Mobile navigation overlay */
    .main-navigation {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--color-surface);
        padding: var(--space-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateX(100%);
        transition: all var(--transition-base);
        overflow-y: auto;
    }

    .main-navigation.active {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }

    /* Vertical menu */
    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .nav-item {
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .nav-link {
        width: 100%;
        padding: 1rem;
        border-radius: 0;
        font-size: 1rem;
    }

    .nav-link:hover {
        background-color: rgba(0, 0, 0, 0.03);
    }

    /* Hero section adjustments */
    .hero-section {
        padding: var(--space-2xl) 0;
        min-height: auto;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .hero-text {
        max-width: 100%;
        text-align: center;
    }

    .hero-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
    }

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

    .hero-images {
        max-width: 400px;
        margin: 0 auto;
    }

    .hero-image-secondary {
        right: -1rem;
    }
}

/* Small Mobile (480px and down) */
@media (max-width: 480px) {
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
        width: 100%;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .logo-icon {
        width: 60px;
    }

    .hero-image-secondary {
        width: 60%;
        right: -0.5rem;
    }
}

/*Accessibility & Focus Styles*/

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
    outline: 2px solid var(--color-tertiary);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}