/* ============================================
   CSS Reset & Base Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

/* ============================================
   CSS Custom Properties (Variables)
   ============================================ */

:root {
    /* Colors - Inspired by HR&A Advisors and Mammoth Construction */
    --primary-blue: #1a365d;
    --primary-blue-dark: #0f2439;
    --primary-blue-light: #2d4a6b;
    --accent-orange: #f97316;
    --accent-orange-light: #fb923c;
    --accent-gold: #f59e0b;
    
    /* Neutrals */
    --bg-white: #ffffff;
    --bg-gray-light: #f8f9fa;
    --bg-gray: #e9ecef;
    --text-color: #1f2937;
    --text-color-light: #6b7280;
    --text-color-dark: #111827;
    
    /* Typography */
    --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* ============================================
   Container & Layout Utilities
   ============================================ */

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

.section {
    padding: var(--spacing-3xl) 0;
}

.section__title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color-dark);
    margin-bottom: var(--spacing-xl);
    text-align: center;
    letter-spacing: -0.02em;
}

/* ============================================
   Header & Navigation
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--container-padding);
    height: 70px;
}

.nav__logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: 0.05em;
}

.nav__menu {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav__link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-color);
    position: relative;
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-base);
}

.nav__link:hover {
    color: var(--accent-orange);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-orange);
    transition: width var(--transition-base);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__link.active {
    color: var(--accent-orange);
}

.nav__link.active::after {
    width: 100%;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav__toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-color);
    transition: all var(--transition-base);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    margin-top: 70px;
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--bg-gray-light) 0%, var(--bg-white) 100%);
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
}

.hero__container {
    width: 100%;
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero__image-wrapper {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero__image {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

.hero__text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.hero__name {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-color-dark);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.hero__tagline {
    font-size: 1.25rem;
    color: var(--text-color);
    line-height: 1.6;
    font-weight: 400;
}

.hero__metrics {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-top: var(--spacing-sm);
}

.hero__metric {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-orange);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: rgba(249, 115, 22, 0.1);
    border-radius: 6px;
}

/* ============================================
   About Section
   ============================================ */

.about {
    background-color: var(--bg-white);
}

.about__content {
    max-width: 900px;
    margin: 0 auto;
}

.about__intro {
    margin-bottom: var(--spacing-xl);
}

.about__text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
}

.about__subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.about__results {
    margin: var(--spacing-xl) 0;
}

.results__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.results__item {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-color);
    padding-left: var(--spacing-lg);
    position: relative;
}

.results__item::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-orange);
    font-weight: bold;
    font-size: 1.5rem;
    line-height: 1;
}

.about__deliver,
.about__leadership,
.about__target {
    margin: var(--spacing-xl) 0;
}

/* ============================================
   Experience Section
   ============================================ */

.experience {
    background-color: var(--bg-gray-light);
}

.experience__timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.experience__card {
    background-color: var(--bg-white);
    border-radius: 8px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.experience__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.experience__header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--bg-gray);
}

.experience__title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.experience__company {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-color-dark);
    margin-bottom: var(--spacing-xs);
}

.experience__period {
    font-size: 0.95rem;
    color: var(--text-color-light);
    margin-bottom: var(--spacing-xs);
}

.experience__location {
    font-size: 0.9rem;
    color: var(--text-color-light);
}

.experience__description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.experience__achievements {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.experience__achievements li {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-color);
    padding-left: var(--spacing-md);
    position: relative;
}

.experience__achievements li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-orange);
    font-weight: bold;
}

/* ============================================
   Projects Section
   ============================================ */

.projects {
    background-color: var(--bg-white);
}

.projects__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.project__card {
    background-color: var(--bg-white);
    border: 1px solid var(--bg-gray);
    border-radius: 8px;
    padding: var(--spacing-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    cursor: pointer;
}

.project__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-orange);
}

.project__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.project__description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
}

.project__metrics {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.project__metric {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-orange);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(249, 115, 22, 0.1);
    border-radius: 4px;
}

/* ============================================
   Skills Section
   ============================================ */

.skills {
    background-color: var(--bg-gray-light);
}

.skills__content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.skills__category {
    background-color: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.skills__category-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.skills__tags {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.skill__tag {
    font-size: 0.9rem;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-gray-light);
    color: var(--text-color);
    border-radius: 20px;
    transition: background-color var(--transition-base), color var(--transition-base);
    text-align: center;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1.4;
}

.skill__tag:hover {
    background-color: var(--accent-orange);
    color: var(--bg-white);
}

/* ============================================
   Media Section
   ============================================ */

.media {
    background-color: var(--bg-white);
}

.media__content {
    max-width: 800px;
    margin: 0 auto;
}

.media__item {
    background-color: var(--bg-gray-light);
    padding: var(--spacing-xl);
    border-radius: 8px;
    border-left: 4px solid var(--accent-orange);
}

.media__title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.media__role {
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent-orange);
    margin-bottom: var(--spacing-sm);
}

.media__description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-color);
}

/* ============================================
   Contact Section
   ============================================ */

.contact {
    background-color: var(--bg-gray-light);
}

.contact__content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    align-items: center;
}

.contact__text {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-color);
}

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

.contact__link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-blue);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: 8px;
    border: 2px solid var(--primary-blue);
    transition: background-color var(--transition-base), color var(--transition-base), transform var(--transition-base);
}

.contact__link:hover {
    background-color: var(--primary-blue);
    color: var(--bg-white);
    transform: translateY(-2px);
}

.contact__link svg {
    width: 24px;
    height: 24px;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background-color: var(--primary-blue-dark);
    color: var(--bg-white);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer__text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}