/* ============================================
   MARTE STUDIOS - FUTURISTIC DESIGN SYSTEM
   Theme: Survival & Hope on Mars
   Font: Helvetica Only
   ============================================ */

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Martian Color Palette */
    --mars-red: #D84315;
    --mars-deep-red: #BF360C;
    --mars-orange: #FF5722;
    --mars-bright-orange: #FF6E40;
    --mars-rust: #E64A19;
    --mars-earth: #8D6E63;
    --mars-dark: #1a0f0a;
    --mars-darker: #0d0705;
    --mars-black: #000000;

    /* Accent Colors */
    --glow-orange: rgba(255, 87, 34, 0.8);
    --glow-red: rgba(216, 67, 21, 0.6);

    /* Glass Effects */
    --glass-bg: rgba(26, 15, 10, 0.4);
    --glass-border: rgba(255, 87, 34, 0.2);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

body {
    font-family: var(--font-family);
    background: var(--mars-black);
    color: #ffffff;
    overflow-x: hidden;
    line-height: 1.6;
}

/* === ANIMATED BACKGROUND === */
.mars-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg,
            var(--mars-darker) 0%,
            var(--mars-dark) 50%,
            #1a0a05 100%);
}

.mars-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 30%,
            rgba(216, 67, 21, 0.1) 0%,
            transparent 50%),
        radial-gradient(circle at 80% 70%,
            rgba(255, 87, 34, 0.08) 0%,
            transparent 50%);
    animation: pulse-glow 8s ease-in-out infinite;
}

#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.6;
}

/* === ANIMATIONS === */
@keyframes pulse-glow {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 0.8;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes glow-pulse {

    0%,
    100% {
        text-shadow: 0 0 20px var(--glow-orange),
            0 0 40px var(--glow-orange),
            0 0 60px var(--glow-red);
    }

    50% {
        text-shadow: 0 0 30px var(--glow-orange),
            0 0 60px var(--glow-orange),
            0 0 90px var(--glow-red);
    }
}

@keyframes intro-fade-in {
    from {
        opacity: 0;
        transform: scale(0.8);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes logo-materialize {
    0% {
        opacity: 0;
        transform: scale(0.5);
        filter: blur(20px);
    }

    100% {
        opacity: 1;
        transform: scale(1);
        filter: blur(0px);
    }
}

@keyframes fade-out {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

/* === INTRO SCREEN === */
.intro-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
            var(--mars-darker) 0%,
            var(--mars-dark) 50%,
            #1a0a05 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    animation: fade-out 0.8s ease forwards;
    animation-delay: 4s;
}

.intro-screen.active {
    animation: none;
}

.intro-welcome {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 300;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 8px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
    opacity: 0;
    animation: intro-fade-in 1s ease forwards;
    animation-delay: 0.3s;
}

.intro-brand {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    letter-spacing: -2px;
    background: linear-gradient(135deg,
            var(--mars-bright-orange) 0%,
            var(--mars-red) 50%,
            var(--mars-deep-red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    animation: intro-fade-in 1s ease forwards;
    animation-delay: 0.8s;
}

.intro-logo {
    width: 200px;
    height: 200px;
    margin-top: var(--spacing-lg);
    filter: drop-shadow(0 0 40px var(--glow-orange)) drop-shadow(0 0 80px var(--glow-red));
    opacity: 0;
    animation: logo-materialize 1.5s ease forwards;
    animation-delay: 1.5s;
}

/* === HEADER === */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-small {
    height: 40px;
    filter: drop-shadow(0 0 10px var(--glow-orange));
    transition: transform 0.3s ease;
}

.logo-small:hover {
    transform: scale(1.1);
}

nav ul {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--mars-orange);
    transition: width 0.3s ease;
}

nav a:hover {
    color: var(--mars-bright-orange);
}

nav a:hover::after {
    width: 100%;
}

/* === DROPDOWN MENU === */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: var(--spacing-xs);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    margin-top: 1rem;
    z-index: 1001;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    margin-top: 0.5rem;
}

.dropdown-menu a::after {
    display: none;
}

.dropdown-menu a:hover {
    background: rgba(255, 87, 34, 0.2);
    transform: translateX(5px);
}

/* === SUBSECTIONS === */
.subsection {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--glass-border);
}

.subsection-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--mars-orange);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.project-content h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--mars-bright-orange);
    margin-bottom: var(--spacing-xs);
}

.about-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--mars-bright-orange);
    margin-bottom: var(--spacing-xs);
}

/* === HERO SECTION === */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
}

.logo-container {
    margin-bottom: var(--spacing-lg);
    animation: float 6s ease-in-out infinite;
}

.logo-orbit {
    width: 300px;
    height: 300px;
    filter: drop-shadow(0 0 30px var(--glow-orange)) drop-shadow(0 0 60px var(--glow-red));
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    letter-spacing: -2px;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg,
            var(--mars-bright-orange) 0%,
            var(--mars-red) 50%,
            var(--mars-deep-red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow-pulse 4s ease-in-out infinite;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 300;
    color: rgba(255, 255, 255, 0.8);
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
    line-height: 1.8;
}

.hero-tagline {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    font-weight: 500;
    color: var(--mars-bright-orange);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: var(--spacing-lg);
}

.cta-button {
    display: inline-block;
    padding: 1rem 3rem;
    background: linear-gradient(135deg, var(--mars-orange), var(--mars-red));
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 50px;
    border: 2px solid var(--mars-bright-orange);
    box-shadow: 0 0 30px var(--glow-orange);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 50px var(--glow-orange),
        0 10px 30px rgba(216, 67, 21, 0.4);
}

/* === SECTION STYLES === */
section {
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--mars-bright-orange);
    text-transform: uppercase;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
}

/* === GLASS CARDS === */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: var(--spacing-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 87, 34, 0.1),
            transparent);
    transition: left 0.6s ease;
}

.glass-card:hover::before {
    left: 100%;
}

.glass-card:hover {
    transform: translateY(-10px);
    border-color: var(--mars-orange);
    box-shadow: 0 20px 60px rgba(216, 67, 21, 0.3);
}

/* === ABOUT SECTION === */
.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.about-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--mars-bright-orange);
    margin-bottom: var(--spacing-sm);
}

.about-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

/* === PROJECTS SECTION === */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.project-card {
    position: relative;
    height: 400px;
    background: linear-gradient(135deg,
            rgba(216, 67, 21, 0.2),
            rgba(255, 87, 34, 0.1));
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
}

.project-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg,
            transparent 0%,
            rgba(0, 0, 0, 0.8) 100%);
    transition: opacity 0.3s ease;
}

.project-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    z-index: 1;
    transform: translateY(60px);
    transition: transform 0.3s ease;
}

.project-card:hover .project-content {
    transform: translateY(0);
}

.project-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--mars-bright-orange);
    margin-bottom: var(--spacing-xs);
}

.project-content p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* === CONTACT SECTION === */
.contact-container {
    max-width: 800px;
    margin: 0 auto;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--mars-bright-orange);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: #ffffff;
    font-family: var(--font-family);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--mars-orange);
    box-shadow: 0 0 20px rgba(255, 87, 34, 0.3);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-button {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--mars-orange), var(--mars-red));
    color: #ffffff;
    border: 2px solid var(--mars-bright-orange);
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px var(--glow-orange);
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px var(--glow-orange);
}

.contact-info {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.contact-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.contact-info a {
    color: var(--mars-bright-orange);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: var(--mars-orange);
}

/* === FOOTER === */
footer {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    padding: var(--spacing-md);
    text-align: center;
    margin-top: var(--spacing-xl);
}

footer p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* === SCROLL ANIMATIONS === */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* === UTILITY CLASSES === */
.text-center {
    text-align: center;
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

/* === MOBILE MENU TOGGLE === */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1002;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--mars-orange);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Hamburger Animation */
.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(13, 7, 5, 0.98);
        backdrop-filter: blur(20px);
        padding-top: 100px;
        transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
        display: flex;
        flex-direction: column;
        align-items: center;
        overflow-y: auto;
        z-index: 1001;
    }

    nav.active {
        right: 0;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
        width: 100%;
    }

    nav a {
        font-size: 1.5rem;
        display: block;
        padding: 0.5rem;
    }

    /* Mobile Dropdown */
    .dropdown-menu {
        position: static;
        transform: none;
        background: rgba(255, 255, 255, 0.05);
        border: none;
        padding: 1rem;
        margin-top: 1rem;
        display: none;
        text-align: center;
        opacity: 1;
        visibility: visible;
        width: 80%;
        margin-left: auto;
        margin-right: auto;
    }

    .dropdown.active .dropdown-menu {
        display: block;
        animation: fade-in-up 0.3s ease forwards;
    }

    .dropdown-menu li {
        margin-bottom: 1rem;
    }

    .dropdown-menu li:last-child {
        margin-bottom: 0;
    }

    .dropdown-menu a {
        font-size: 1.1rem;
        color: rgba(255, 255, 255, 0.7);
    }

    /* Adjustments */
    .logo-orbit {
        width: 200px;
        height: 200px;
    }

    .intro-logo {
        width: 150px;
        height: 150px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .projects-grid,
    .about-content {
        grid-template-columns: 1fr;
    }

    .intro-brand {
        font-size: 3rem;
    }

    .nav-container {
        padding: 0 1rem;
    }
}