/* ===== TRELLIS - CLEAN & SIMPLE DESIGN ===== */

/* CSS Reset & Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors from image palette */
    --dark-navy: #0A0F1B;
    --teal-primary: #7DCADB;
    --teal-light: #A8F7F6;
    --white: #FFFFFF;
    --gray-light: #F8FAFC;
    --gray-medium: #64748B;
    --glass-bg: rgba(125, 202, 219, 0.08);
    --glass-border: rgba(125, 202, 219, 0.2);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3rem;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--dark-navy);
    background: linear-gradient(135deg, var(--gray-light) 0%, var(--white) 100%);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(125, 202, 219, 0.15);
    box-shadow: 0 1px 30px rgba(10, 15, 27, 0.08);
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--dark-navy);
    text-decoration: none;
}

.logo-image {
    width: 32px;
    height: 32px;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(125, 202, 219, 0.2));
}

.logo-text {
    font-weight: 800;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.nav-link {
    color: var(--dark-navy);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--teal-primary);
}

.nav-cta {
    background: var(--teal-primary);
    color: var(--white);
    padding: var(--space-sm) var(--space-lg);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(125, 202, 219, 0.3);
}

.nav-cta:hover {
    background: var(--dark-navy);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(10, 15, 27, 0.25);
}

/* Mobile Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    padding: var(--space-sm);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 40%, var(--glass-bg) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(125, 202, 219, 0.2);
    border-radius: 32px;
    padding: var(--space-3xl);
    box-shadow: 0 20px 60px rgba(10, 15, 27, 0.08);
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: var(--dark-navy);
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

.hero-title .highlight {
    color: var(--teal-primary);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-medium);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: var(--space-md) var(--space-xl);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    border: none;
    cursor: pointer;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(10, 15, 27, 0.1);
}

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

.btn-primary:hover {
    background: var(--dark-navy);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.3);
    color: var(--dark-navy);
    border: 2px solid rgba(125, 202, 219, 0.4);
}

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

/* Sections */
section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--dark-navy);
    margin-bottom: var(--space-lg);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-medium);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.service-card {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(125, 202, 219, 0.25);
    border-radius: 24px;
    padding: var(--space-2xl);
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 8px 32px rgba(10, 15, 27, 0.1);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(10, 15, 27, 0.15);
    background: rgba(255, 255, 255, 0.5);
    border-color: rgba(125, 202, 219, 0.35);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--teal-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    color: var(--white);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--space-md);
}

.service-description {
    color: var(--gray-medium);
    line-height: 1.7;
}

/* Portfolio Section */
.portfolio {
    background: linear-gradient(135deg, var(--gray-light) 0%, var(--white) 100%);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.portfolio-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(125, 202, 219, 0.2);
    box-shadow: 0 10px 40px rgba(10, 15, 27, 0.08);
}

.portfolio-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 30px 60px rgba(10, 15, 27, 0.2);
    background: rgba(255, 255, 255, 0.7);
    border-color: rgba(125, 202, 219, 0.3);
    z-index: 10;
}

.portfolio-image {
    position: relative;
    overflow: hidden;
}

.portfolio-screenshot {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 15, 27, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-buttons {
    display: flex;
    gap: var(--space-md);
}

.btn-small {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-sm);
}

.portfolio-content {
    padding: var(--space-xl);
}

.portfolio-category {
    color: var(--teal-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.portfolio-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--space-md);
}

.portfolio-description {
    color: var(--gray-medium);
    margin-bottom: var(--space-lg);
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tag {
    background: rgba(125, 202, 219, 0.12);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--dark-navy);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid rgba(125, 202, 219, 0.15);
}

/* Testimonials Section */
.testimonials {
    background: var(--white);
}

.testimonials-carousel {
    display: flex;
    gap: var(--space-xl);
    overflow-x: auto;
    padding: var(--space-md) 0;
    scroll-behavior: smooth;
}

.testimonial-card {
    min-width: 350px;
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(125, 202, 219, 0.22);
    border-radius: 24px;
    padding: var(--space-xl);
    box-shadow: 0 12px 35px rgba(10, 15, 27, 0.12);
    transition: var(--transition);
}

.testimonial-content {
    margin-bottom: var(--space-lg);
}

.testimonial-content p {
    color: var(--gray-medium);
    font-style: italic;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--teal-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
}

.author-info h4 {
    color: var(--dark-navy);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.author-info p {
    color: var(--gray-medium);
    font-size: var(--font-size-sm);
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, var(--gray-light) 0%, var(--white) 100%);
}

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

.contact-info h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--space-lg);
}

.contact-info p {
    color: var(--gray-medium);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
}

.contact-form {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(125, 202, 219, 0.25);
    border-radius: 24px;
    padding: var(--space-2xl);
    box-shadow: 0 15px 45px rgba(10, 15, 27, 0.1);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid rgba(125, 202, 219, 0.2);
    border-radius: 12px;
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--teal-primary);
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 0 4px rgba(125, 202, 219, 0.1);
}

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

/* Footer */
.footer {
    background: var(--dark-navy);
    color: var(--white);
    padding: var(--space-2xl) 0;
    text-align: center;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    justify-content: center;
    margin-bottom: var(--space-md);
}

.footer-logo-image {
    width: 28px;
    height: 28px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.footer-section h4 {
    margin: 0;
    color: var(--teal-light);
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--teal-light);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(125, 202, 219, 0.2);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(125, 202, 219, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--teal-primary);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-lg);
    color: rgba(255, 255, 255, 0.6);
}

/* Contact Logo Accent */
.contact-logo-accent {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.contact-accent-logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(125, 202, 219, 0.3));
}

.contact-info h3 {
    font-size: var(--font-size-2xl);
    margin: 0;
    color: var(--dark-navy);
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --font-size-4xl: 2.5rem;
        --font-size-3xl: 2rem;
        --font-size-2xl: 1.75rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(25px);
        -webkit-backdrop-filter: blur(25px);
        border-right: 1px solid rgba(125, 202, 219, 0.2);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--space-2xl);
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .contact-buttons {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }

    .footer-content {
        text-align: center;
    }

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

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

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* Loading states */
.btn.loading {
    opacity: 0.7;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: var(--space-sm);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}