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

:root {
    --primary-color: #d03739;
    --primary-dark: #b02527;
    --primary-light: #e54547;
    --primary-lighter: #f4595b;

    --text-primary: #1a1a1a;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --text-light: #a0aec0;
    --text-on-dark: #ffffff;

    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-tertiary: #f5f5f5;
    --bg-accent: #f9f9f9;
    --bg-dark: #1f2028;
    --bg-dark-secondary: #2a2b35;

    --header-bg: linear-gradient(135deg, #1f2028 0%, #2a2b35 100%);
    --header-bg-scrolled: linear-gradient(135deg, rgba(31, 32, 40, 0.98) 0%, rgba(42, 43, 53, 0.98) 100%);
    --hero-bg: linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #f5f6f7 100%);

    --steel-blue: #5B7C99;
    --sage-green: #7FB069;
    --warm-gray: #8E8E93;
    --border-color: #e2e8f0;
    --border-color-dark: rgba(255, 255, 255, 0.1);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

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

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

/* Subtle Noise Texture Overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.015;
    z-index: 1;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.5'/%3E%3C/svg%3E");
}

/* Typography System */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 1.875rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }


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

/* Geometric Grid Pattern */
.hero::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    background-image:
        linear-gradient(var(--text-primary) 1px, transparent 1px),
        linear-gradient(90deg, var(--text-primary) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-content {
    text-align: center;
    z-index: 2;
    padding: 0 var(--spacing-md);
    max-width: 900px;
    animation: fadeInUp 0.8s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-logo {
    width: 100%;
    max-width: 500px;
    height: auto;
    margin-bottom: var(--spacing-xl);
    filter: drop-shadow(0 10px 20px rgba(208, 55, 57, 0.1));
}

.hero-tagline {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-cta {
    margin-top: var(--spacing-xl);
    display: inline-flex;
    gap: var(--spacing-md);
}

.btn {
    padding: 0.875rem 2rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 6px;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(208, 55, 57, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    animation: scrollPrompt 2s ease-in-out infinite;
}

@keyframes scrollPrompt {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-8px); }
}

.scroll-indicator::before {
    content: '';
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-light);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator::after {
    content: '';
    display: block;
    width: 4px;
    height: 8px;
    background: var(--text-light);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

/* Section Base Styles */
section {
    padding: var(--spacing-3xl) 5%;
    position: relative;
    z-index: 2;
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-label {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: linear-gradient(135deg, #fafbfc 0%, #f7f8fa 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

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

.about-text h3 {
    font-size: 1.875rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-heading);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    position: relative;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--primary-color);
    transition: height var(--transition-base);
    border-radius: 0 0 3px 0;
}

.feature-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-card:hover::before {
    height: 100%;
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 8px;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Projects Section */
.projects {
    background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
    position: relative;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.project-card {
    background: linear-gradient(135deg, #ffffff 0%, #fbfcfd 100%);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.project-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.project-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover .project-image::after {
    opacity: 0.1;
}

.project-number {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    opacity: 0.1;
    font-family: var(--font-heading);
}

.project-status {
    background: var(--bg-primary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    z-index: 1;
    position: relative;
    display: inline-block;
    border: 1px solid var(--border-color);
}

.project-info {
    padding: var(--spacing-lg);
}

.project-meta {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

.project-tag {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    position: relative;
}

.project-tag:not(:last-child)::after {
    content: '|';
    color: var(--text-light);
    margin-left: var(--spacing-xs);
    font-weight: 300;
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.project-details {
    display: flex;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.app-store-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.app-store-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.app-store-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* Values Section */
.values {
    background: linear-gradient(135deg, #f7f8fa 0%, #f4f5f7 100%);
    position: relative;
    overflow: hidden;
}

.values::before {
    content: '';
    position: absolute;
    top: 20%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--primary-color), transparent);
    opacity: 0.02;
    border-radius: 50%;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.value-card {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    background: linear-gradient(135deg, #ffffff 0%, #fcfdfd 100%);
    border-radius: 12px;
    transition: all var(--transition-base);
    position: relative;
    border: 1px solid var(--border-color);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.value-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 50%;
    position: relative;
}

.value-icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--primary-color);
    stroke-width: 2;
    fill: none;
}

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

.value-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    text-align: center;
    position: relative;
    color: white;
}

.contact .section-header {
    color: white;
}

.contact .section-label {
    color: rgba(255, 255, 255, 0.7);
}

.contact .section-title {
    color: white;
}

.contact .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

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

.contact-info {
    margin-top: var(--spacing-xl);
    display: grid;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 1.1rem;
}

.contact-item a {
    color: white;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.contact-item a:hover {
    opacity: 0.8;
}

.contact-details {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.contact-detail {
    text-align: left;
}

.contact-detail h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.7);
}

.contact-detail p {
    color: white;
    font-size: 1rem;
}

/* Footer */
footer {
    background: var(--bg-primary);
    padding: var(--spacing-xl) 5%;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-logo {
    height: 28px;
}

.footer-info {
    text-align: center;
    flex: 1;
}

.footer-info p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-color);
}


/* Loading Screen */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader-logo {
    width: 120px;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .values-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

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

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        font-size: 15px;
    }


    section {
        padding: var(--spacing-2xl) 5%;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

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

    .btn {
        width: 100%;
    }

    .contact-details {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-detail {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-logo {
        max-width: 300px;
    }

    .project-card {
        min-width: 100%;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

/* Smooth reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

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

.reveal-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.6s ease;
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}