/* ============================================
   SoftwareBox - Modern Software Company
   Premium Design System
   ============================================ */

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

:root {
    /* Primary Palette - Deep purple to electric blue */
    --primary-900: #1a0a2e;
    --primary-800: #2d1b4e;
    --primary-700: #4a1c7a;
    --primary-600: #6b21a8;
    --primary-500: #8b5cf6;
    --primary-400: #a78bfa;
    --primary-300: #c4b5fd;

    /* Accent - Electric blue */
    --accent-600: #2563eb;
    --accent-500: #3b82f6;
    --accent-400: #60a5fa;
    --accent-300: #93c5fd;

    /* Neutrals */
    --dark-900: #0a0a0f;
    --dark-800: #111118;
    --dark-700: #1a1a24;
    --dark-600: #252532;
    --dark-500: #32324a;

    --light-100: #ffffff;
    --light-200: #f8f9fc;
    --light-300: #e8eaf0;
    --light-400: #c9cdd8;
    --light-500: #9ca3af;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-600) 0%, var(--accent-500) 100%);
    --gradient-dark: linear-gradient(180deg, var(--dark-800) 0%, var(--dark-900) 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.15) 0%, transparent 70%);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 60px rgba(139, 92, 246, 0.3);

    /* Typography */
    --font-display: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    /* Spacing */
    --section-padding: 120px;
    --container-max: 1280px;

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    color: var(--dark-700);
    line-height: 1.6;
    background: var(--light-100);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 32px;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--dark-800);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--light-100);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo-mark {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.logo-cube {
    width: 14px;
    height: 14px;
    background: var(--light-100);
    border-radius: 3px;
    transform: rotate(45deg);
}

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--light-400);
    text-decoration: none;
    transition: color 0.3s var(--ease-out-quart);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s var(--ease-out-expo);
}

.nav-links a:hover {
    color: var(--light-100);
}

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

.nav-cta {
    padding: 12px 24px;
    background: var(--gradient-primary);
    color: var(--light-100);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s var(--ease-out-expo);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--light-100);
    border-radius: 2px;
    transition: 0.3s var(--ease-out-expo);
}

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

.hero {
    padding: 180px 0 100px;
    background: var(--dark-800);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glow);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 5vw, 4.2rem);
    font-weight: 800;
    color: var(--light-100);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--light-500);
    max-width: 480px;
    margin-bottom: 40px;
    line-height: 1.7;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.3s var(--ease-out-expo);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--light-100);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(139, 92, 246, 0.45);
}

.btn-primary svg {
    transition: transform 0.3s var(--ease-out-expo);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-ghost {
    background: transparent;
    color: var(--light-100);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.3);
}

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

/* Vortex Animation */
.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.vortex {
    position: relative;
    width: 420px;
    height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: vortexFloat 6s ease-in-out infinite;
}

@keyframes vortexFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(3deg); }
}

.vortex-ring {
    position: absolute;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: var(--primary-500);
    border-right-color: var(--accent-500);
    animation: vortexSpin 3s linear infinite;
}

.vortex-ring:nth-child(1) { width: 100%; height: 100%; animation-duration: 8s; opacity: 0.9; }
.vortex-ring:nth-child(2) { width: 85%; height: 85%; animation-duration: 7s; animation-direction: reverse; opacity: 0.85; }
.vortex-ring:nth-child(3) { width: 70%; height: 70%; animation-duration: 6s; opacity: 0.8; }
.vortex-ring:nth-child(4) { width: 55%; height: 55%; animation-duration: 5s; animation-direction: reverse; opacity: 0.75; }
.vortex-ring:nth-child(5) { width: 40%; height: 40%; animation-duration: 4s; opacity: 0.7; }
.vortex-ring:nth-child(6) { width: 28%; height: 28%; animation-duration: 3.5s; animation-direction: reverse; opacity: 0.65; }
.vortex-ring:nth-child(7) { width: 18%; height: 18%; animation-duration: 3s; opacity: 0.6; }
.vortex-ring:nth-child(8) { width: 10%; height: 10%; animation-duration: 2.5s; animation-direction: reverse; opacity: 0.55; }

@keyframes vortexSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.vortex-core {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: var(--shadow-glow), inset 0 0 30px rgba(255, 255, 255, 0.2);
    animation: corePulse 2s ease-in-out infinite;
}

@keyframes corePulse {
    0%, 100% { transform: scale(1); box-shadow: var(--shadow-glow), inset 0 0 30px rgba(255, 255, 255, 0.2); }
    50% { transform: scale(1.1); box-shadow: 0 0 80px rgba(139, 92, 246, 0.5), inset 0 0 40px rgba(255, 255, 255, 0.3); }
}

/* ============================================
   Stats Section
   ============================================ */

.stats-section {
    padding: 80px 0;
    background: var(--light-100);
    margin-top: -40px;
    position: relative;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-card {
    padding: 32px;
    background: var(--light-200);
    border-radius: 16px;
    border: 1px solid var(--light-300);
    transition: all 0.4s var(--ease-out-expo);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card.featured {
    background: var(--gradient-primary);
    border: none;
}

.stat-card.featured .stat-number,
.stat-card.featured .stat-label {
    color: var(--light-100);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--dark-800);
    line-height: 1;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--light-500);
    font-weight: 500;
}

/* ============================================
   Services Section - Design Develop Deploy
   ============================================ */

.services-section {
    padding: var(--section-padding) 0;
    background: var(--light-100);
}

.services-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.section-title {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.title-line {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    color: var(--dark-800);
    line-height: 1;
    letter-spacing: -0.03em;
}

.title-line.accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Ribbon Animation */
.services-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.ribbon-flow {
    position: relative;
    width: 100%;
    height: 300px;
}

.ribbon {
    position: absolute;
    height: 60px;
    border-radius: 30px;
    animation: ribbonWave 4s ease-in-out infinite;
}

.ribbon-1 {
    top: 20%;
    left: 10%;
    width: 80%;
    background: linear-gradient(90deg, #ff6b6b, #feca57, #48dbfb);
    animation-delay: 0s;
}

.ribbon-2 {
    top: 40%;
    left: 5%;
    width: 90%;
    background: linear-gradient(90deg, #a55eea, #5f27cd, #341f97);
    animation-delay: 0.5s;
}

.ribbon-3 {
    top: 60%;
    left: 15%;
    width: 70%;
    background: linear-gradient(90deg, #00d2d3, #54a0ff, #5f27cd);
    animation-delay: 1s;
}

@keyframes ribbonWave {
    0%, 100% {
        transform: translateX(0) scaleX(1) rotate(-2deg);
        border-radius: 30px 60px 30px 60px;
    }
    25% {
        transform: translateX(10px) scaleX(1.05) rotate(1deg);
        border-radius: 60px 30px 60px 30px;
    }
    50% {
        transform: translateX(-5px) scaleX(0.95) rotate(-1deg);
        border-radius: 30px 60px 30px 60px;
    }
    75% {
        transform: translateX(5px) scaleX(1.02) rotate(2deg);
        border-radius: 60px 30px 60px 30px;
    }
}

.tagline {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--light-300);
}

.tagline p {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--dark-700);
    line-height: 1.5;
}

.tagline strong {
    color: var(--dark-900);
}

/* ============================================
   About/Capabilities Section
   ============================================ */

.about-section {
    padding: var(--section-padding) 0;
    background: var(--light-200);
}

.about-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-label {
    display: inline-block;
    padding: 8px 20px;
    background: var(--primary-300);
    color: var(--primary-700);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-heading {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--dark-800);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--light-500);
    max-width: 600px;
    margin: 0 auto;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.capability-card {
    padding: 36px;
    background: var(--light-100);
    border-radius: 20px;
    border: 1px solid var(--light-300);
    transition: all 0.4s var(--ease-out-expo);
}

.capability-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-300);
}

.capability-icon {
    width: 52px;
    height: 52px;
    background: var(--gradient-primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.capability-icon svg {
    width: 26px;
    height: 26px;
    stroke: var(--light-100);
}

.capability-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark-800);
    margin-bottom: 12px;
}

.capability-card p {
    font-size: 0.95rem;
    color: var(--light-500);
    line-height: 1.6;
}

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

.process-section {
    padding: var(--section-padding) 0;
    background: var(--light-100);
    position: relative;
    overflow: hidden;
}

.process-bg {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--accent-500) 100%);
    z-index: 0;
}

.process-header {
    text-align: center;
    margin-bottom: 64px;
    position: relative;
    z-index: 1;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

.process-card {
    padding: 36px;
    background: var(--light-100);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s var(--ease-out-expo);
}

.process-card:hover {
    transform: translateY(-8px);
}

.process-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.process-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark-800);
    margin-bottom: 12px;
}

.process-card p {
    font-size: 0.95rem;
    color: var(--light-500);
    line-height: 1.6;
}

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

.testimonials-section {
    padding: var(--section-padding) 0;
    background: var(--light-200);
}

.testimonials-header {
    text-align: center;
    margin-bottom: 64px;
}

.testimonials-header .section-heading .light {
    font-weight: 400;
    color: var(--light-500);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.testimonial-card {
    padding: 32px;
    background: var(--light-100);
    border-radius: 20px;
    border: 1px solid var(--light-300);
    transition: all 0.4s var(--ease-out-expo);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-card.featured {
    background: var(--gradient-primary);
    border: none;
    transform: scale(1.02);
}

.testimonial-card.featured:hover {
    transform: scale(1.02) translateY(-4px);
}

.testimonial-card.featured .testimonial-content p,
.testimonial-card.featured .author-info strong,
.testimonial-card.featured .author-info span,
.testimonial-card.featured .testimonial-rating span {
    color: var(--light-100);
}

.testimonial-card.featured .author-avatar {
    background: rgba(255, 255, 255, 0.2);
    color: var(--light-100);
}

.testimonial-content p {
    font-size: 1rem;
    color: var(--dark-700);
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--primary-300);
    color: var(--primary-700);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-info strong {
    font-size: 1rem;
    color: var(--dark-800);
}

.author-info span {
    font-size: 0.85rem;
    color: var(--light-500);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
}

.testimonial-rating span {
    color: #fbbf24;
    font-size: 1.1rem;
}

/* ============================================
   Showcase/Dashboard Section
   ============================================ */

.showcase-section {
    padding: var(--section-padding) 0;
    background: var(--light-100);
}

.showcase-header {
    text-align: center;
    margin-bottom: 64px;
}

.showcase-header .section-desc {
    margin-top: 16px;
}

.dashboard-preview {
    display: flex;
    justify-content: center;
}

.dashboard-mockup {
    width: 100%;
    max-width: 1000px;
    background: var(--light-100);
    border-radius: 20px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    border: 1px solid var(--light-300);
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background: var(--dark-800);
    border-bottom: 1px solid var(--dark-600);
}

.mockup-dots {
    display: flex;
    gap: 8px;
}

.mockup-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.mockup-dots span:nth-child(1) { background: #ff5f57; }
.mockup-dots span:nth-child(2) { background: #febc2e; }
.mockup-dots span:nth-child(3) { background: #28c840; }

.mockup-title {
    font-size: 0.9rem;
    color: var(--light-400);
    font-weight: 500;
}

.mockup-content {
    display: grid;
    grid-template-columns: 200px 1fr;
    min-height: 400px;
}

.mockup-sidebar {
    background: var(--dark-700);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-item {
    height: 40px;
    background: var(--dark-600);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.sidebar-item.active {
    background: var(--gradient-primary);
}

.mockup-main {
    padding: 24px;
    background: var(--light-200);
}

.chart-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.chart-card {
    background: var(--light-100);
    border-radius: 16px;
    padding: 20px;
    border: 1px solid var(--light-300);
}

.chart-card.large {
    min-height: 200px;
}

.chart-header {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-700);
    margin-bottom: 16px;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    height: 120px;
}

.bar {
    flex: 1;
    height: var(--height);
    background: var(--gradient-primary);
    border-radius: 6px 6px 0 0;
    animation: barGrow 1s var(--ease-out-expo) forwards;
    transform-origin: bottom;
}

@keyframes barGrow {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
}

.chart-donut {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: conic-gradient(
        var(--primary-500) 0deg 120deg,
        var(--accent-400) 120deg 200deg,
        var(--light-300) 200deg 360deg
    );
    margin: 20px auto;
    position: relative;
}

.chart-donut::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: var(--light-100);
    border-radius: 50%;
}

.metrics-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.metric {
    background: var(--light-100);
    border-radius: 12px;
    padding: 16px;
    border: 1px solid var(--light-300);
    text-align: center;
}

.metric-value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark-800);
    margin-bottom: 4px;
}

.metric-label {
    font-size: 0.8rem;
    color: var(--light-500);
}

/* ============================================
   Contact Section
   ============================================ */

.contact-section {
    padding: var(--section-padding) 0;
    background: var(--dark-800);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--light-100);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.contact-desc {
    font-size: 1.1rem;
    color: var(--light-500);
    margin-bottom: 32px;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--light-400);
}

.contact-item svg {
    width: 22px;
    height: 22px;
    stroke: var(--primary-400);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--dark-600);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-400);
    transition: all 0.3s var(--ease-out-expo);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: var(--light-100);
    transform: translateY(-3px);
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 18px 20px;
    background: var(--dark-700);
    border: 1px solid var(--dark-500);
    border-radius: 14px;
    color: var(--light-100);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.3s var(--ease-out-quart);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--light-500);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15);
}

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

.contact-form .btn-primary {
    padding: 18px 28px;
}

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

.footer {
    background: var(--dark-900);
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 80px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--light-500);
    margin-top: 16px;
    max-width: 300px;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--light-100);
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
}

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

.footer-col a {
    color: var(--light-500);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: var(--light-100);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--dark-700);
    text-align: center;
}

.footer-bottom p {
    color: var(--light-500);
    font-size: 0.9rem;
}

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

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        margin: 0 auto 24px;
    }

    .hero-subtitle {
        margin: 0 auto 40px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .vortex {
        width: 320px;
        height: 320px;
    }

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

    .services-layout {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

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

    .testimonial-card.featured {
        transform: none;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }

    .container {
        padding: 0 20px;
    }

    .navbar .container {
        height: 70px;
    }

    .nav-links, .nav-cta {
        display: none;
    }

    .nav-links.active {
        display: flex;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--dark-800);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--dark-600);
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 140px 0 80px;
    }

    .hero-visual {
        display: none;
    }

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

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

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

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

    .process-bg {
        height: 70%;
    }

    .mockup-content {
        grid-template-columns: 1fr;
    }

    .mockup-sidebar {
        display: none;
    }

    .chart-row {
        grid-template-columns: 1fr;
    }

    .metrics-row {
        grid-template-columns: 1fr;
    }

    .footer-nav {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* ============================================
   Animations on Scroll
   ============================================ */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

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

/* Stagger animation delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }