/* ==========================================================================
   G-SQUAD MAIN STYLES
   ========================================================================== */

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

:root {
    /* Colors */
    --primary-bg: #0A0A0A;
    --accent-primary: #00F2A9;
    --text-primary: #FFFFFF;
    --text-secondary: #A3A3A3;
    --surface-dark: #1A1A1A;
    --surface-medium: #2A2A2A;
    --border-color: #333333;
    --gradient-primary: linear-gradient(135deg, var(--accent-primary), #00C48C);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extra-bold: 800;
    --font-weight-black: 900;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 120px 0;
    --section-padding-mobile: 80px 0;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 40px rgba(0, 0, 0, 0.25);
    --shadow-accent: 0 0 20px rgba(0, 242, 169, 0.3);
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
}

/* Section */
.section {
    padding: var(--section-padding);
}

@media (max-width: 768px) {
    .section {
        padding: var(--section-padding-mobile);
    }
}

/* Section Header */
.section__header {
    text-align: center;
    margin-bottom: 80px;
}

.section__title {
    font-size: 3rem;
    font-weight: var(--font-weight-extra-bold);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section__description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .section__title {
        font-size: 2rem;
    }
    
    .section__description {
        font-size: 1.125rem;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--primary-bg);
    border-color: var(--accent-primary);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn--outline {
    background: transparent;
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.btn--outline:hover {
    background: var(--accent-primary);
    color: var(--primary-bg);
    transform: translateY(-2px);
}

.btn--large {
    padding: 20px 40px;
    font-size: 1.125rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: all var(--transition-medium);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav__brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav__logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 4px;
    transition: all var(--transition-medium);
}

.nav__logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px var(--accent-primary));
}

.nav__brand-text {
    font-size: 1.5rem;
    font-weight: var(--font-weight-extra-bold);
    letter-spacing: 0.1em;
}

.nav__menu {
    display: flex;
    align-items: center;
}

.nav__list {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav__link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    position: relative;
}

.nav__link:hover,
.nav__link.active-link {
    color: var(--accent-primary);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: width var(--transition-medium);
}

.nav__link:hover::after,
.nav__link.active-link::after {
    width: 100%;
}

/* Mobile Navigation */
.nav__toggle,
.nav__close {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav__toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-medium);
}

@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--primary-bg);
        flex-direction: column;
        justify-content: center;
        transition: right var(--transition-medium);
    }
    
    .nav__menu.show-menu {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        gap: 32px;
        text-align: center;
    }
    
    .nav__link {
        font-size: 1.25rem;
    }
    
    .nav__toggle,
    .nav__close {
        display: flex;
    }
    
    .nav__close {
        position: absolute;
        top: 40px;
        right: 24px;
        font-size: 2rem;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(ellipse at center, rgba(0, 242, 169, 0.05) 0%, transparent 70%);
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero__content {
    z-index: 2;
}

.hero__title {
    margin-bottom: 24px;
}

.hero__title-main {
    display: block;
    font-size: 4rem;
    font-weight: var(--font-weight-black);
    letter-spacing: 0.05em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.hero__title-sub {
    display: block;
    font-size: 1.5rem;
    font-weight: var(--font-weight-light);
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

.hero__description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero__buttons {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.hero__visual {
    position: relative;
    height: 500px;
}

.hero__animation {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-element {
    position: absolute;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.8;
    animation: float 6s ease-in-out infinite;
}

.floating-element--1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.floating-element--2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 30%;
    animation-delay: 2s;
}

.floating-element--3 {
    width: 60px;
    height: 60px;
    bottom: 20%;
    left: 60%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(10px) rotate(240deg); }
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.hero__scroll-indicator {
    width: 2px;
    height: 30px;
    background: var(--text-secondary);
    position: relative;
    opacity: 0.6;
}

.hero__scroll-indicator::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: var(--accent-primary);
    animation: scroll-indicator 2s ease-in-out infinite;
}

@keyframes scroll-indicator {
    0% { transform: translateY(0); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(200%); opacity: 0; }
}

@media (max-width: 768px) {
    .hero__container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero__title-main {
        font-size: 2.5rem;
    }
    
    .hero__title-sub {
        font-size: 1.25rem;
    }
    
    .hero__visual {
        height: 300px;
    }
    
    .hero__buttons {
        justify-content: center;
    }
}

/* Services Overview */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.service-category {
    background: var(--surface-dark);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    transition: all var(--transition-medium);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.service-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 242, 169, 0.1), transparent);
    transition: left var(--transition-slow);
}

.service-category:hover::before {
    left: 100%;
}

.service-category:hover {
    border-color: var(--accent-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-accent);
}

.service-category__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 16px;
    transition: all var(--transition-medium);
}

.service-category:hover .service-category__icon {
    transform: scale(1.1) rotate(5deg);
}

.icon {
    width: 32px;
    height: 32px;
    fill: var(--primary-bg);
}

.service-category__title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 16px;
}

.service-category__description {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.service-category__services {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.service-tag {
    padding: 6px 12px;
    background: var(--surface-medium);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.service-category:hover .service-tag {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* Philosophy Section */
.philosophy {
    background: var(--surface-dark);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.philosophy__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.philosophy__title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extra-bold);
    margin-bottom: 24px;
}

.philosophy__description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.philosophy__values {
    display: grid;
    gap: 24px;
    margin-bottom: 40px;
}

.value-item h4 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.value-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.philosophy__quote {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--text-primary);
    border-left: 4px solid var(--accent-primary);
    padding-left: 24px;
    margin: 0;
}

.philosophy__quote cite {
    display: block;
    margin-top: 16px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-style: normal;
    font-weight: var(--font-weight-medium);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.stat-item {
    text-align: center;
    padding: 24px;
    background: var(--surface-medium);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: var(--font-weight-black);
    color: var(--accent-primary);
    margin-bottom: 8px;
}

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

@media (max-width: 768px) {
    .philosophy__content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* Featured Portfolio */
.portfolio-showcase {
    display: grid;
    gap: 40px;
}

.portfolio-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    padding: 40px;
    background: var(--surface-dark);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all var(--transition-medium);
}

.portfolio-item:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.portfolio-item:nth-child(even) {
    direction: rtl;
}

.portfolio-item:nth-child(even) .portfolio-item__content {
    direction: ltr;
}

.portfolio-item__image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16/10;
}

.portfolio-item__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-item:hover .portfolio-item__image img {
    transform: scale(1.05);
}

.portfolio-item__title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 16px;
}

.portfolio-item__description {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.portfolio-item__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.tag {
    padding: 6px 12px;
    background: var(--accent-primary);
    color: var(--primary-bg);
    border-radius: 16px;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
}

.portfolio-item__link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.portfolio-item__link:hover {
    color: var(--text-primary);
    gap: 12px;
}

.section__cta {
    text-align: center;
    margin-top: 60px;
}

@media (max-width: 768px) {
    .portfolio-item {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 24px;
    }
    
    .portfolio-item:nth-child(even) {
        direction: ltr;
    }
}

/* Testimonials */
.testimonials {
    background: var(--surface-dark);
}

.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.testimonial-item {
    opacity: 0;
    transform: translateX(50px);
    transition: all var(--transition-medium);
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
}

.testimonial-item.active {
    opacity: 1;
    transform: translateX(0);
    position: relative;
}

.testimonial__quote {
    font-size: 1.25rem;
    line-height: 1.7;
    margin-bottom: 32px;
    font-style: italic;
}

.testimonial__author strong {
    display: block;
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 4px;
}

.testimonial__author span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.testimonials-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 40px;
}

.testimonial-control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.testimonial-control.active,
.testimonial-control:hover {
    border-color: var(--accent-primary);
    background: var(--accent-primary);
}

/* Final CTA */
.final-cta {
    background: var(--gradient-primary);
    color: var(--primary-bg);
    text-align: center;
}

.final-cta__title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extra-bold);
    margin-bottom: 16px;
    color: var(--primary-bg);
}

.final-cta__description {
    font-size: 1.125rem;
    margin-bottom: 32px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.final-cta .btn--primary {
    background: var(--primary-bg);
    color: var(--accent-primary);
    border-color: var(--primary-bg);
}

.final-cta .btn--primary:hover {
    background: var(--surface-dark);
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .final-cta__title {
        font-size: 2rem;
    }
}

/* Footer */
.footer {
    background: var(--primary-bg);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 24px;
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer__logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: 4px;
}

.footer__brand-text {
    font-size: 1.5rem;
    font-weight: var(--font-weight-extra-bold);
    letter-spacing: 0.1em;
}

.footer__mission {
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 300px;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer__title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 20px;
    color: var(--accent-primary);
}

.footer__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__list a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer__list a:hover {
    color: var(--accent-primary);
}

.footer__social {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--surface-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--primary-bg);
    transform: translateY(-2px);
}

.social-link .icon {
    width: 20px;
    height: 20px;
}

.footer__contact {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer__bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.footer__copyright {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .footer__content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer__links {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 40px; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 40px; }

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles */
*:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Smooth scrolling for Safari */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Print styles */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
}