/* ========================================
   GB SOFT - Professional Landing Page
   Enhanced Version with Modern Design Patterns
   ======================================== */

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

:root {
    --primary-orange: #3B82F6;
    --primary-violet: #8B5CF6;
    --dark-text: #0a0a0a;
    --medium-text: #2a2a2a;
    --light-text: #6a6a6a;
    --white: #ffffff;
    --off-white: #f8f9fa;
    --border-color: #e5e5e5;

    /* Shadows */
    --shadow-xs: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.15);
    --shadow-ambient: 0 20px 60px rgba(155, 89, 182, 0.12);
    --shadow-glow: 0 0 40px rgba(255, 107, 53, 0.15);

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 80px;
    --spacing-2xl: 120px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;
}

body {
    font-family: 'Inter', 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--white);
    color: var(--dark-text);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* ========================================
   Particle Canvas Background
   ======================================== */

#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -2;
    pointer-events: none;
}

/* ========================================
   Animated 3D Liquid Background
   ======================================== */

.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.liquid-shape {
    position: absolute;
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-violet));
    opacity: 0.06;
    filter: blur(60px);
    animation: morph 30s ease-in-out infinite;
    will-change: transform;
}

.shape-1 {
    width: 700px;
    height: 700px;
    top: -250px;
    right: -150px;
    animation-delay: 0s;
    background: linear-gradient(135deg, #FF6B35 0%, #FF8C42 100%);
}

.shape-2 {
    width: 600px;
    height: 600px;
    bottom: -200px;
    left: -150px;
    animation-delay: 6s;
    background: linear-gradient(135deg, #9B59B6 0%, #C39BD3 100%);
}

.shape-3 {
    width: 500px;
    height: 500px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 12s;
    background: linear-gradient(135deg, #FF6B35 0%, #9B59B6 100%);
}

.shape-4 {
    width: 400px;
    height: 400px;
    top: 20%;
    left: 15%;
    animation-delay: 18s;
    background: linear-gradient(135deg, #C39BD3 0%, #FF8C42 100%);
}

.shape-5 {
    width: 550px;
    height: 550px;
    bottom: 30%;
    right: 20%;
    animation-delay: 24s;
    background: linear-gradient(135deg, #FF8C42 0%, #9B59B6 100%);
}

@keyframes morph {
    0%, 100% {
        border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
        transform: translate(0, 0) rotate(0deg) scale(1);
    }
    25% {
        border-radius: 60% 40% 30% 70% / 50% 60% 40% 60%;
        transform: translate(20px, -20px) rotate(60deg) scale(1.03);
    }
    50% {
        border-radius: 50% 50% 50% 50% / 45% 55% 45% 55%;
        transform: translate(-15px, 25px) rotate(120deg) scale(0.97);
    }
    75% {
        border-radius: 30% 70% 60% 40% / 55% 45% 55% 45%;
        transform: translate(-25px, -15px) rotate(180deg) scale(1.05);
    }
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    padding: 15px 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 25px var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.brand-logo {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    object-fit: cover;
    box-shadow: var(--shadow-sm);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-text {
    font-size: 28px;
    font-weight: 800;
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: -1.5px;
    color: var(--dark-text);
}

.logo-accent {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-violet));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 48px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--medium-text);
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-orange), var(--primary-violet));
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--dark-text);
}

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

.btn-primary {
    padding: 12px 32px !important;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-violet));
    color: white !important;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-ambient);
    font-weight: 600;
}

.btn-primary::after {
    display: none !important;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 60px rgba(155, 89, 182, 0.25);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--dark-text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 180px 0 100px;
    position: relative;
}

.hero-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 100px;
    align-items: center;
}

.hero-left {
    max-width: 650px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: rgba(255, 107, 53, 0.08);
    border: 1px solid rgba(255, 107, 53, 0.15);
    border-radius: var(--radius-full);
    margin-bottom: 32px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-orange);
    animation: fadeInUp 0.8s ease both;
}

.badge.pulse {
    animation: fadeInUp 0.8s ease both, pulse 2s ease-in-out infinite 0.8s;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

.hero-title {
    font-size: 76px;
    font-weight: 800;
    font-family: 'Space Grotesk', sans-serif;
    line-height: 1.1;
    letter-spacing: -3.5px;
    margin-bottom: 28px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.gradient-text {
    color: var(--primary-orange);
    font-weight: inherit;
    display: inline;
    position: relative;
    z-index: 1;
    background: none;
}

.gradient-animate {
    color: var(--primary-violet);
    animation: none;
}

.hero-description {
    font-size: 19px;
    color: var(--light-text);
    margin-bottom: 40px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.4s both;
    max-width: 580px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 50px;
    animation: fadeInUp 0.8s ease 0.6s both;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: inherit;
    white-space: nowrap;
}

.btn-gradient {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-violet));
    color: white;
    box-shadow: var(--shadow-ambient);
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(139, 92, 246, 0.25);
}

.btn-secondary {
    background: white;
    color: var(--dark-text);
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--off-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-large {
    padding: 18px 40px;
    font-size: 17px;
}

.btn-white {
    background: white;
    color: var(--dark-text);
    border: 2px solid var(--border-color);
}

.btn-white-outline {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid white;
    backdrop-filter: blur(10px);
}

.btn-white-outline:hover {
    background: white;
    color: var(--dark-text);
}

.hero-stats {
    display: flex;
    gap: 48px;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.stat-mini {
    display: flex;
    flex-direction: column;
}

.stat-mini h4 {
    font-size: 32px;
    font-weight: 700;
    font-family: 'Space Grotesk', sans-serif;
    color: var(--dark-text);
    letter-spacing: -1px;
    margin-bottom: 4px;
}

.stat-mini p {
    font-size: 14px;
    color: var(--light-text);
    font-weight: 500;
}

/* Hero Visual */

.hero-visual {
    position: relative;
    height: 600px;
    animation: fadeIn 1s ease 0.4s both;
}

.visual-image {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.main-visual {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.visual-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(155, 89, 182, 0.1));
    pointer-events: none;
}

/* Glass Morphism Cards */

.glass {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: saturate(180%) blur(20px);
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 16px;
    animation: float 6s ease-in-out infinite;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.floating-card:hover {
    transform: translateY(-3px) scale(1.01);
    box-shadow: var(--shadow-lg);
}

.card-1 {
    top: 10%;
    right: 5%;
    animation-delay: 0s;
    z-index: 3;
}

.card-2 {
    bottom: 35%;
    left: -5%;
    animation-delay: 1.5s;
    z-index: 2;
}

.card-3 {
    bottom: 8%;
    right: 15%;
    animation-delay: 3s;
    z-index: 1;
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px;
}

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-content h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--dark-text);
}

.card-content p {
    font-size: 13px;
    color: var(--light-text);
    margin-bottom: 6px;
}

.trend-up {
    font-size: 13px;
    font-weight: 700;
    color: #10b981;
}

.trend-stable {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary-violet);
}

.mini-chart {
    margin-bottom: 8px;
}

.chart-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--light-text);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--light-text);
    font-size: 13px;
    font-weight: 500;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

/* ========================================
   Trusted Companies
   ======================================== */

.trusted-companies {
    padding: 60px 0;
    background: var(--off-white);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.partners-highlight {
    background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(139,92,246,0.12));
    border-top: none;
    border-bottom: none;
}

.partners-highlight .trust-label {
    color: var(--medium-text);
    font-size: 15px;
}

.partners-highlight .marquee-content {
    animation-duration: 20s;
    gap: 60px;
}

.partners-highlight .company-logo span {
    color: var(--primary-violet);
}

.trust-label {
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--light-text);
    margin-bottom: 40px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.companies-marquee {
    overflow: hidden;
    position: relative;
}

.marquee-content {
    display: flex;
    gap: 80px;
    animation: marquee 30s linear infinite;
}

.company-logo {
    font-size: 20px;
    font-weight: 700;
    font-family: 'Space Grotesk', sans-serif;
    color: var(--medium-text);
    white-space: nowrap;
    letter-spacing: -0.5px;
}

.company-logo span {
    color: var(--primary-orange);
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ========================================
   Section Headers
   ======================================== */

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-tag {
    display: inline-block;
    padding: 10px 24px;
    background: rgba(255, 107, 53, 0.08);
    border: 1px solid rgba(255, 107, 53, 0.15);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-orange);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: 58px;
    font-weight: 800;
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: -2.5px;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-description {
    font-size: 18px;
    color: var(--light-text);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ========================================
   Features / Services Section
   ======================================== */

.features {
    padding: var(--spacing-2xl) 0;
}

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

.feature-card.advanced {
    background: white;
    padding: 48px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.feature-card.advanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-orange), var(--primary-violet));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-card.advanced:hover::before {
    transform: scaleX(1);
}

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

.feature-number {
    position: absolute;
    top: 32px;
    right: 32px;
    font-size: 72px;
    font-weight: 900;
    font-family: 'Space Grotesk', sans-serif;
    color: rgba(0, 0, 0, 0.03);
    line-height: 1;
    pointer-events: none;
}

.feature-icon {
    margin-bottom: 28px;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card.advanced:hover .feature-icon {
    transform: scale(1.03) rotate(1deg);
}

.feature-card.advanced h3 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 16px;
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: -0.5px;
}

.feature-card.advanced p {
    font-size: 16px;
    color: var(--light-text);
    line-height: 1.7;
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
    margin-bottom: 28px;
}

.feature-list li {
    font-size: 15px;
    color: var(--medium-text);
    padding: 10px 0;
    font-weight: 500;
}

.feature-link {
    color: var(--primary-orange);
    font-weight: 600;
    text-decoration: none;
    font-size: 15px;
    transition: all 0.3s ease;
    display: inline-block;
}

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

/* ========================================
   Process Section
   ======================================== */

.process-section {
    padding: var(--spacing-2xl) 0;
    background: var(--off-white);
}

.process-timeline {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px 80px;
    margin-top: 60px;
}

.timeline-line {
    position: absolute;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: calc(100% - 80px);
    background: linear-gradient(180deg, var(--primary-orange), var(--primary-violet));
    opacity: 0.2;
    display: none;
}

.process-step {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    position: relative;
    padding: 32px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.4s ease;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.step-number {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-violet));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    font-family: 'Space Grotesk', sans-serif;
    box-shadow: var(--shadow-ambient);
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 10px;
    font-family: 'Space Grotesk', sans-serif;
}

.step-content p {
    font-size: 15px;
    color: var(--light-text);
    line-height: 1.7;
}

.step-icon {
    flex-shrink: 0;
    opacity: 0.3;
    transition: opacity 0.3s ease;
}

.process-step:hover .step-icon {
    opacity: 1;
}

/* ========================================
   Portfolio Section
   ======================================== */

.portfolio-section {
    padding: var(--spacing-2xl) 0;
}

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

.portfolio-item.featured {
    grid-column: span 2;
}

.portfolio-item:nth-child(5),
.portfolio-item:nth-child(6) {
    grid-column: span 1;
}

.portfolio-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    height: 450px;
    cursor: pointer;
}

.portfolio-item.featured .portfolio-image {
    height: 550px;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.9) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 48px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

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

.portfolio-category {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 107, 53, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 700;
    color: var(--primary-orange);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    width: fit-content;
}

.portfolio-overlay h3 {
    font-size: 32px;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
    font-family: 'Space Grotesk', sans-serif;
}

.portfolio-overlay p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 24px;
    line-height: 1.6;
}


/* ========================================
   Testimonials Section
   ======================================== */

.testimonials-section {
    padding: var(--spacing-2xl) 0;
    background: var(--off-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.testimonial-card.featured {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-violet));
    color: white;
    grid-row: span 1;
}

.testimonial-card.featured .rating span,
.testimonial-card.featured .testimonial-text,
.testimonial-card.featured .author-info h4,
.testimonial-card.featured .author-info p {
    color: white;
}

.rating {
    margin-bottom: 20px;
}

.rating span {
    color: #FFD700;
    font-size: 20px;
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--medium-text);
    margin-bottom: 28px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 18px;
    flex-shrink: 0;
}

.author-info h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.author-info p {
    font-size: 14px;
    color: var(--light-text);
}

/* ========================================
   Tech Stack
   ======================================== */

.tech-stack {
    padding: var(--spacing-2xl) 0;
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.tech-category h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    font-family: 'Space Grotesk', sans-serif;
}

.tech-icons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tech-item {
    padding: 14px 20px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.tech-item:hover {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-violet));
    color: white;
    border-color: transparent;
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   CTA Section
   ======================================== */

.cta-section {
    padding: var(--spacing-2xl) 0;
}

.cta-card {
    padding: 80px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.cta-content h2 {
    font-size: 52px;
    font-weight: 800;
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: -2px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.cta-content > p {
    font-size: 18px;
    color: var(--light-text);
    margin-bottom: 32px;
    line-height: 1.7;
}

.cta-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    font-weight: 600;
    color: var(--medium-text);
}

.cta-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.cta-visual {
    position: relative;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.cta-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    background: var(--dark-text);
    color: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 26px;
    font-weight: 800;
    font-family: 'Space Grotesk', sans-serif;
    margin-bottom: 20px;
}

.footer-logo {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: var(--shadow-sm);
}

.footer-brand .accent {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-violet));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 28px;
    font-size: 15px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-violet));
    transform: translateY(-3px);
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    font-family: 'Space Grotesk', sans-serif;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 15px;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
    font-size: 15px;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.footer-bottom-links {
    display: flex;
    gap: 32px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
    color: white;
}

/* ========================================
   Back to Top Button
   ======================================== */

.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-violet));
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(100px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ========================================
   Animations
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Utility Classes
   ======================================== */

::selection {
    background: var(--primary-violet);
    color: white;
}

::-moz-selection {
    background: var(--primary-violet);
    color: white;
}

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--off-white);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-orange), var(--primary-violet));
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-violet), var(--primary-orange));
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1200px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

    .nav-container {
        padding: 25px var(--spacing-lg);
    }

    .hero-content,
    .cta-card {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .hero-title {
        font-size: 64px;
    }

    .section-title {
        font-size: 48px;
    }

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

    .portfolio-item.featured {
        grid-column: span 1;
    }

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

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

    .tech-categories {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .nav-container {
        padding: 20px var(--spacing-md);
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        gap: 20px;
        box-shadow: var(--shadow-lg);
        z-index: 999;
    }

    .nav-menu.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero {
        padding: 140px 0 80px;
        min-height: auto;
    }

    .hero-container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: 44px;
        letter-spacing: -2px;
    }

    .hero-description {
        font-size: 17px;
    }

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

    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-visual {
        height: 400px;
        margin-top: 40px;
    }
    .floating-card {
        display: none !important;
    }

    .liquid-shape {
        display: none;
    }

    #particle-canvas {
        display: none;
    }

    .section-title {
        font-size: 36px;
    }

    .section-description {
        font-size: 16px;
    }

    .features,
    .process-section,
    .portfolio-section,
    .testimonials-section,
    .cta-section {
        padding: var(--spacing-xl) 0;
    }

    .feature-card.advanced {
        padding: 32px;
    }

    .process-timeline {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .cta-card {
        padding: 40px 32px;
        gap: 40px;
    }

    .cta-content h2 {
        font-size: 36px;
    }

    .cta-visual {
        height: 300px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-bottom-links {
        flex-direction: column;
        gap: 12px;
    }

    .back-to-top {
        width: 48px;
        height: 48px;
        bottom: 24px;
        right: 24px;
    }

    .portfolio-image {
        height: 350px;
    }

    .portfolio-item.featured .portfolio-image {
        height: 400px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 36px;
    }

    .section-title {
        font-size: 28px;
    }

    .logo-text {
        font-size: 22px;
    }

    .hero-description {
        font-size: 16px;
    }

    .btn {
        font-size: 15px;
        padding: 14px 28px;
    }

    .btn-large {
        padding: 16px 32px;
        font-size: 16px;
    }

    .feature-card.advanced {
        padding: 24px;
    }

    .feature-card.advanced h3 {
        font-size: 22px;
    }

    .portfolio-image {
        height: 280px;
    }

    .portfolio-item.featured .portfolio-image {
        height: 320px;
    }

    .testimonial-card {
        padding: 28px;
    }

    .cta-content h2 {
        font-size: 28px;
    }
}
