/* =============================================================================
   DESIGN TOKENS
   ============================================================================= */

:root {
    /* Colors */
    --color-bg: #050a14;
    --color-bg-secondary: #0a1628;
    --color-bg-card: #0f1d32;
    --color-bg-card-hover: #142540;
    --color-surface: rgba(15, 29, 50, 0.6);
    --color-border: rgba(99, 102, 241, 0.15);
    --color-border-hover: rgba(99, 102, 241, 0.3);

    --color-text: #e2e8f0;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;

    --color-primary: #6366f1;
    --color-primary-light: #818cf8;
    --color-secondary: #0ea5e9;
    --color-accent: #22d3ee;

    --gradient-primary: linear-gradient(135deg, #0ea5e9, #6366f1);
    --gradient-text: linear-gradient(135deg, #22d3ee, #6366f1);
    --gradient-glow: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.15), transparent 70%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;

    /* Spacing */
    --section-padding: 120px;
    --container-max: 1200px;

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

    /* Borders */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}


/* =============================================================================
   RESET & BASE
   ============================================================================= */

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

img {
    max-width: 100%;
    height: auto;
}

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

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


/* =============================================================================
   NAVBAR
   ============================================================================= */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(5, 10, 20, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: 10px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-text);
}

.logo:hover {
    color: var(--color-text);
}

.logo-icon svg {
    width: 36px;
    height: 36px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.02em;
}

.logo-suffix {
    font-size: 10px;
    color: var(--color-text-secondary);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-link {
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

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

.nav-link.cta-link {
    background: var(--gradient-primary);
    color: white;
    padding: 8px 20px;
}

.nav-link.cta-link:hover {
    opacity: 0.9;
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}


/* =============================================================================
   HERO
   ============================================================================= */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.6), transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.6), transparent 80%);
}

.hero-particles {
    position: absolute;
    inset: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding-top: 120px;
    padding-bottom: 80px;
}

.hero-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--color-primary-light);
    font-size: 13px;
    font-weight: 500;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 32px;
    letter-spacing: 0.05em;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(36px, 5.5vw, 72px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(16px, 1.5vw, 19px);
    color: var(--color-text-secondary);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 25px rgba(99, 102, 241, 0.5);
    transform: translateY(-2px);
    color: white;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-border-hover);
    color: var(--color-text);
}

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

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-decoration: none;
    transition: color var(--transition-base);
}

.scroll-indicator:hover {
    color: var(--color-text-secondary);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--gradient-primary);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; height: 30px; }
    50% { opacity: 1; height: 40px; }
}


/* =============================================================================
   SECTIONS
   ============================================================================= */

.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    background: var(--gradient-glow);
    pointer-events: none;
    opacity: 0.5;
}

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

.section-tag {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.15);
    color: var(--color-primary-light);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 16px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 17px;
    color: var(--color-text-secondary);
    max-width: 560px;
    margin: 16px auto 0;
    line-height: 1.6;
}


/* =============================================================================
   ABOUT SECTION
   ============================================================================= */

.about-section {
    background: var(--color-bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.about-lead {
    font-size: 18px;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: 16px;
}

.about-content p {
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
}

.about-features {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
}

.feature-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    color: var(--color-secondary);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.about-feature strong {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.about-feature span {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* Tech Card Visual */
.about-visual {
    display: flex;
    justify-content: center;
}

.tech-card {
    position: relative;
    width: 100%;
    max-width: 440px;
    aspect-ratio: 1;
    border-radius: var(--radius-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.tech-card-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2), transparent 70%);
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.3); opacity: 1; }
}

.tech-card-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px;
}

.tech-rings {
    position: relative;
    width: 200px;
    height: 200px;
    margin-bottom: 24px;
}

.ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ring-1 {
    width: 200px;
    height: 200px;
    border-color: rgba(99, 102, 241, 0.1);
    animation: ringRotate 20s linear infinite;
}

.ring-2 {
    width: 150px;
    height: 150px;
    border-color: rgba(14, 165, 233, 0.15);
    animation: ringRotate 15s linear infinite reverse;
}

.ring-3 {
    width: 100px;
    height: 100px;
    border-color: rgba(34, 211, 238, 0.2);
    animation: ringRotate 10s linear infinite;
}

@keyframes ringRotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.ring-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    color: var(--color-secondary);
}

.ring-center svg {
    width: 100%;
    height: 100%;
}

.tech-data-points {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    width: 100%;
}

.data-point {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    font-size: 12px;
}

.dp-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
    animation: dotPulse 2s ease-in-out infinite;
}

.dp-1 .dp-dot { background: #f43f5e; }
.dp-2 .dp-dot { background: #22d3ee; }
.dp-3 .dp-dot { background: #a78bfa; }
.dp-4 .dp-dot { background: #34d399; }

@keyframes dotPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.dp-label {
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.dp-value {
    color: var(--color-text);
    font-weight: 600;
    margin-left: auto;
}


/* =============================================================================
   SOLUTIONS SECTION
   ============================================================================= */

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

.solution-card {
    position: relative;
    padding: 36px 28px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.solution-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.solution-card:hover::before {
    opacity: 1;
}

.solution-card.featured {
    border-color: rgba(99, 102, 241, 0.3);
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.06), var(--color-bg-card));
}

.solution-card.featured::before {
    opacity: 1;
}

.solution-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--gradient-primary);
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 100px;
    letter-spacing: 0.05em;
}

.solution-icon {
    width: 48px;
    height: 48px;
    color: var(--color-secondary);
    margin-bottom: 20px;
}

.solution-icon svg {
    width: 100%;
    height: 100%;
}

.solution-card h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text);
}

.solution-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.solution-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.solution-features li {
    font-size: 13px;
    color: var(--color-text-secondary);
    padding-left: 20px;
    position: relative;
}

.solution-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-secondary);
}


/* =============================================================================
   DESIGNED FOR SECTION
   ============================================================================= */

.designed-for-section {
    background: var(--color-bg-secondary);
}

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

.audience-card {
    text-align: center;
    padding: 36px 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.audience-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.audience-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    color: var(--color-secondary);
}

.audience-icon svg {
    width: 100%;
    height: 100%;
}

.audience-card h3 {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 10px;
}

.audience-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}


/* =============================================================================
   TECHNOLOGY SECTION
   ============================================================================= */

.tech-stack-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

.tech-item {
    padding: 32px 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.tech-item:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.tech-item-icon {
    width: 40px;
    height: 40px;
    color: var(--color-secondary);
    margin-bottom: 16px;
}

.tech-item-icon svg {
    width: 100%;
    height: 100%;
}

.tech-item h4 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.tech-item p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}


/* =============================================================================
   CONTACT SECTION
   ============================================================================= */

.contact-section {
    background: var(--color-bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    position: relative;
    z-index: 1;
}

.contact-form-wrapper {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
    letter-spacing: 0.02em;
}

.optional {
    font-weight: 400;
    color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 15px;
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.05);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

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

.btn .spinner {
    width: 18px;
    height: 18px;
    animation: spin 1s linear infinite;
}

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

.btn-loading {
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-status {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

.form-status.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #f87171;
}

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

.info-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.info-icon {
    width: 24px;
    height: 24px;
    color: var(--color-secondary);
    flex-shrink: 0;
    margin-top: 2px;
}

.info-icon svg {
    width: 100%;
    height: 100%;
}

.info-card h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.info-card a {
    color: var(--color-text);
    font-weight: 500;
}

.info-card p {
    color: var(--color-text);
    font-weight: 500;
}

.global-presence {
    padding: 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.global-presence h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

.presence-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.presence-tag {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.15);
    color: var(--color-primary-light);
    font-size: 13px;
    padding: 4px 12px;
    border-radius: 100px;
}


/* =============================================================================
   FOOTER
   ============================================================================= */

.footer {
    border-top: 1px solid var(--color-border);
    padding: 64px 0 32px;
    background: var(--color-bg);
}

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

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    max-width: 320px;
}

.footer-links-group h5 {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.footer-links-group ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links-group a {
    color: var(--color-text-secondary);
    font-size: 14px;
    transition: color var(--transition-fast);
}

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

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

.footer-bottom p {
    font-size: 13px;
    color: var(--color-text-muted);
}


/* =============================================================================
   ANIMATIONS
   ============================================================================= */

.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Floating particles */
.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: rgba(99, 102, 241, 0.4);
    border-radius: 50%;
    animation: float linear infinite;
}

@keyframes float {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-20vh) scale(1);
        opacity: 0;
    }
}


/* =============================================================================
   RESPONSIVE
   ============================================================================= */

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-visual {
        order: -1;
    }

    .tech-card {
        max-width: 380px;
        aspect-ratio: auto;
        padding-bottom: 20px;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

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

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

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

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

    .footer-brand {
        grid-column: 1 / -1;
    }
}

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

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-bg-secondary);
        border-left: 1px solid var(--color-border);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 24px 24px;
        gap: 4px;
        transition: right var(--transition-base);
    }

    .nav-links.open {
        right: 0;
    }

    .nav-link {
        width: 100%;
        font-size: 16px;
        padding: 12px 16px;
    }

    .nav-link.cta-link {
        margin-top: 8px;
        text-align: center;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .audience-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .tech-stack-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .container {
        padding: 0 16px;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .tech-rings {
        width: 150px;
        height: 150px;
    }

    .ring-1 { width: 150px; height: 150px; }
    .ring-2 { width: 110px; height: 110px; }
    .ring-3 { width: 70px; height: 70px; }
}