/* ============================================
   Ken Mendoza - Professional Website Styles
   ============================================ */

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

:root {
    /* Color Palette */
    --deep-navy: #0B1120;
    --charcoal: #1a1a2e;
    --electric-blue: #00d4ff;
    --gold-accent: #f4a261;
    --white: #ffffff;
    --light-gray: #e8e8e8;
    --medium-gray: #a0a0a0;
    --dark-gray: #404040;
    
    /* Gradients */
    --hero-gradient: linear-gradient(135deg, var(--deep-navy) 0%, var(--charcoal) 100%);
    --card-gradient: linear-gradient(145deg, #1e1e3f 0%, #2a2a4a 100%);
    
    /* Typography */
    --font-heading: 'Poppins', 'Inter', sans-serif;
    --font-body: 'Source Sans Pro', 'Inter', sans-serif;
    
    /* Spacing */
    --section-padding: 120px 0;
    --container-max-width: 1200px;
    --container-padding: 0 20px;
    
    /* Animations */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--white);
    background-color: var(--deep-navy);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--white);
}

h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    font-weight: 700;
}

h3 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 600;
}

h4 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 500;
}

p {
    font-size: 1.1rem;
    color: var(--light-gray);
    margin-bottom: 1.5rem;
}

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

.section {
    padding: var(--section-padding);
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--electric-blue), var(--gold-accent));
    border-radius: 2px;
}

.gold-accent {
    color: var(--gold-accent);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 30px;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1rem;
    text-decoration: none;
    text-align: center;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(45deg, var(--electric-blue), #0099cc);
    color: var(--white);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    border: 2px solid var(--electric-blue);
    color: var(--electric-blue);
    background: transparent;
}

.btn-secondary:hover {
    background: var(--electric-blue);
    color: var(--deep-navy);
    transform: translateY(-3px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(11, 17, 32, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(11, 17, 32, 0.98);
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--electric-blue);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.nav-logo:hover {
    transform: scale(1.1);
    color: var(--gold-accent);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--light-gray);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-link:hover {
    color: var(--electric-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--electric-blue);
    transition: var(--transition-smooth);
}

.nav-link:hover::after {
    width: 100%;
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: var(--transition-smooth);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--hero-gradient);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(244, 162, 97, 0.05) 0%, transparent 50%);
}

.hero-container {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.hero-title {
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--white), var(--electric-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    color: var(--electric-blue);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.cursor {
    color: var(--electric-blue);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-hook {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: var(--light-gray);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    color: var(--electric-blue);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.scroll-indicator:hover {
    color: var(--gold-accent);
    transform: translateX(-50%) scale(1.2);
}

/* About Section */
.about {
    background: linear-gradient(135deg, var(--charcoal) 0%, #2a2a4a 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.about-image {
    display: flex;
    justify-content: center;
}

.profile-placeholder {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: var(--card-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
    position: relative;
}

.profile-placeholder::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--electric-blue), var(--gold-accent));
    z-index: -1;
}

.profile-placeholder i {
    font-size: 6rem;
    color: var(--electric-blue);
}

/* Profile Image Styling */
.profile-img {
    max-width: 350px;
    width: 100%;
    height: auto;
    border-radius: 15px;
    object-fit: contain;
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
    position: relative;
    border: 3px solid transparent;
    background: linear-gradient(45deg, var(--electric-blue), var(--gold-accent));
    background-clip: padding-box;
    transition: var(--transition-smooth);
}

.profile-img::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--electric-blue), var(--gold-accent));
    z-index: -1;
}

.profile-img:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 80px rgba(0, 212, 255, 0.3);
}

.about-text p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--card-gradient);
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    transition: var(--transition-smooth);
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 212, 255, 0.2);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--electric-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--light-gray);
    font-weight: 500;
}

/* Ventures Section */
.ventures {
    background: var(--deep-navy);
}

.ventures-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.venture-card {
    background: var(--card-gradient);
    padding: 3rem 2rem;
    border-radius: 25px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.venture-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 80px rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.3);
}

.card-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--electric-blue), var(--gold-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.card-icon i {
    font-size: 2rem;
    color: var(--white);
}

.card-title {
    color: var(--electric-blue);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.card-description {
    margin-bottom: 2rem;
    line-height: 1.7;
}

.card-link {
    color: var(--gold-accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition-smooth);
}

.card-link:hover {
    color: var(--electric-blue);
}

.card-link i {
    margin-left: 0.5rem;
    transition: var(--transition-smooth);
}

.card-link:hover i {
    transform: translateX(5px);
}

/* Patents Section */
.patents {
    background: linear-gradient(135deg, var(--charcoal) 0%, #2a2a4a 100%);
}

.patents-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.patent-highlight {
    margin-bottom: 2rem;
}

.patent-highlight h3 {
    font-size: 1.3rem;
    color: var(--light-gray);
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.patent-company {
    font-size: 1.2rem;
    color: var(--electric-blue);
    font-weight: 600;
}

.patent-areas h4 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.patent-areas ul {
    list-style: none;
    margin-bottom: 2rem;
    padding-left: 0;
}

.patent-areas li {
    margin-bottom: 0.8rem;
    color: var(--light-gray);
}

.patent-description {
    font-size: 1.1rem;
    line-height: 1.8;
}

.patent-cta {
    margin-top: 2rem;
}

.patent-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--electric-blue) 0%, #0099cc 100%);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.patent-cta .btn:hover {
    background: linear-gradient(135deg, #0099cc 0%, var(--electric-blue) 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

/* Publications Section */
.publications {
    background: var(--deep-navy);
}

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

.publication-item {
    background: var(--card-gradient);
    padding: 2.5rem;
    border-radius: 20px;
    margin-bottom: 2rem;
    border-left: 5px solid var(--electric-blue);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.publication-item:hover {
    transform: translateX(10px);
    box-shadow: 0 20px 50px rgba(0, 212, 255, 0.15);
}

.publication-title {
    color: var(--electric-blue);
    margin-bottom: 1rem;
    font-size: 1.4rem;
    transition: var(--transition-smooth);
}

.publication-title a {
    color: var(--electric-blue);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.publication-title a:hover {
    color: var(--electric-blue);
    text-decoration: none;
}

.publication-item:hover .publication-title {
    color: var(--gold-accent);
}

.publication-item:hover .publication-title a {
    color: var(--gold-accent);
}

.publication-description {
    margin-bottom: 1rem;
    line-height: 1.7;
}

.publication-year {
    display: inline-block;
    background: var(--gold-accent);
    color: var(--deep-navy);
    padding: 0.3rem 1rem;
    border-radius: 15px;
    font-weight: 600;
    font-size: 0.9rem;
}

/* Technical Expertise Section */
.expertise {
    background: linear-gradient(135deg, var(--charcoal) 0%, #2a2a4a 100%);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.expertise-category {
    background: var(--card-gradient);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    transition: var(--transition-smooth);
}

.expertise-category:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 70px rgba(0, 212, 255, 0.1);
}

.category-title {
    color: var(--electric-blue);
    margin-bottom: 2rem;
    font-size: 1.5rem;
    text-align: center;
    min-height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skills-tags {
    line-height: 2;
    font-size: 1.1rem;
}

.skill-tag {
    display: inline;
    background: none;
    color: var(--light-gray);
    padding: 0;
    border: none;
    font-size: inherit;
    font-weight: 400;
    transition: var(--transition-smooth);
    cursor: default;
}

.skill-tag:hover {
    color: var(--electric-blue);
}

.skill-tag:not(:last-child)::after {
    content: ' • ';
    color: var(--electric-blue);
    margin: 0 0.3rem;
}

/* Leadership Section */
.leadership {
    background: var(--deep-navy);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--electric-blue), var(--gold-accent));
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 80px;
}

.timeline-marker {
    position: absolute;
    left: 18px;
    top: 0.5rem;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--electric-blue);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.timeline-content {
    background: var(--card-gradient);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    transition: var(--transition-smooth);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: 0 20px 50px rgba(0, 212, 255, 0.15);
}

.timeline-content h3 {
    color: var(--electric-blue);
    margin-bottom: 0.5rem;
}

.timeline-company {
    color: var(--gold-accent);
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-year {
    display: inline-block;
    background: var(--gold-accent);
    color: var(--deep-navy);
    padding: 0.3rem 1rem;
    border-radius: 15px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, var(--charcoal) 0%, #1a1a3a 100%);
}

.contact-intro {
    max-width: 800px;
    margin: 0 auto 4rem;
    text-align: center;
    font-size: 1.2rem;
    line-height: 1.7;
    color: var(--light-gray);
    font-weight: 400;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--card-gradient);
    border-radius: 15px;
    transition: var(--transition-smooth);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.1);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--electric-blue);
    width: 30px;
    text-align: center;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.contact-item a {
    color: var(--light-gray);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.contact-item a:hover {
    color: var(--electric-blue);
}

/* Contact Form */
.contact-form {
    background: var(--card-gradient);
    padding: 3rem;
    border-radius: 25px;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.3);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--medium-gray);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--electric-blue);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

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

/* Footer */
.footer {
    background: var(--deep-navy);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer p {
    color: var(--medium-gray);
    margin: 0;
    font-size: 1rem;
}

/* Animations */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

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

/* Mobile Responsive Design */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px 0;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-marker {
        left: 8px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(11, 17, 32, 0.98);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        gap: 3rem;
        padding-top: 3rem;
        transition: var(--transition-smooth);
        backdrop-filter: blur(20px);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .ventures-grid {
        grid-template-columns: 1fr;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
    
    .profile-placeholder {
        width: 250px;
        height: 250px;
    }
    
    .profile-placeholder i {
        font-size: 5rem;
    }
    
    .profile-img {
        max-width: 280px;
    }
    
    .patent-icon {
        font-size: 6rem;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 60px 0;
        --container-padding: 0 15px;
    }
    
    .hero-container {
        padding: 0 15px;
    }
    
    .venture-card,
    .expertise-category,
    .contact-form {
        padding: 2rem 1.5rem;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }
    
    .about-text p,
    .patent-description,
    .publication-description {
        font-size: 1rem;
    }
}