/* ========================================
   RESET & BASE STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --color-dark: #0a0a0f;
    --color-darker: #050508;
    --color-blue-dark: #0d1b2a;
    --color-blue: #1b2d45;
    --color-purple: #2d1b4e;
    --color-purple-light: #4a2d6e;
    --color-cyan: #00d9ff;
    --color-cyan-light: #5ef3ff;
    --color-silver: #c0c8d4;
    --color-white: #ffffff;
    
    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Exo 2', sans-serif;
    --font-accent: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-normal: 0.5s ease;
    --transition-slow: 0.8s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-darker);
    color: var(--color-silver);
    overflow-x: hidden;
    line-height: 1.6;
}

/* ========================================
   CANVAS PARTICLES BACKGROUND
   ======================================== */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* ========================================
   SECTION BASE STYLES
   ======================================== */
.section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg) var(--spacing-md);
    z-index: 2;
}

.section-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 3;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero-section {
    background: radial-gradient(ellipse at center, 
        rgba(13, 27, 42, 0.8) 0%, 
        rgba(5, 5, 8, 1) 70%);
    position: relative;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, 
        rgba(0, 217, 255, 0.15) 0%, 
        rgba(45, 27, 78, 0.1) 30%,
        transparent 70%);
    animation: pulse-glow 4s ease-in-out infinite;
    pointer-events: none;
}

.hero-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    border: 2px solid rgba(0, 217, 255, 0.3);
    border-radius: 50%;
    animation: pulse-ring 3s ease-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

@keyframes pulse-ring {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

.hero-content {
    text-align: center;
    z-index: 10;
    position: relative;
}

.logo-container {
    position: relative;
    margin-bottom: var(--spacing-lg);
    animation: fadeInDown 1s ease-out;
}

.logo-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 150px;
    background: radial-gradient(ellipse, 
        rgba(0, 217, 255, 0.4) 0%, 
        transparent 70%);
    filter: blur(30px);
    animation: logo-pulse 2s ease-in-out infinite;
}

@keyframes logo-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.logo {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    color: var(--color-cyan);
    text-transform: uppercase;
    letter-spacing: 0.3em;
    text-shadow: 
        0 0 10px rgba(0, 217, 255, 0.8),
        0 0 20px rgba(0, 217, 255, 0.6),
        0 0 30px rgba(0, 217, 255, 0.4),
        0 0 40px rgba(45, 27, 78, 0.6);
    position: relative;
    z-index: 2;
    margin: 0;
}

.logo-underline {
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--color-cyan) 50%, 
        transparent 100%);
    margin: var(--spacing-sm) auto 0;
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.8);
}

.hero-title {
    font-family: var(--font-accent);
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 300;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2vw, 1.3rem);
    font-weight: 300;
    color: var(--color-silver);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

/* CTA Button */
.cta-button {
    position: relative;
    padding: 1.2rem 3rem;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-white);
    background: rgba(0, 217, 255, 0.1);
    border: 2px solid var(--color-cyan);
    cursor: pointer;
    overflow: hidden;
    transition: all var(--transition-normal);
    animation: fadeInUp 1s ease-out 0.9s backwards;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 0 20px rgba(0, 217, 255, 0.6),
        0 0 40px rgba(0, 217, 255, 0.4);
    border-color: var(--color-cyan-light);
}

.button-text {
    position: relative;
    z-index: 2;
}

.button-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 217, 255, 0.3), 
        transparent);
    transition: width var(--transition-slow);
}

.cta-button:hover .button-glow {
    width: 200%;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    animation: fadeIn 1s ease-out 1.2s backwards;
}

.scroll-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(180deg, 
        var(--color-cyan) 0%, 
        transparent 100%);
    animation: scroll-move 2s ease-in-out infinite;
}

@keyframes scroll-move {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(20px); opacity: 0.3; }
}

.scroll-text {
    font-family: var(--font-display);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-cyan);
    opacity: 0.7;
}

/* ========================================
   ANIMATIONS - FADE IN
   ======================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about-section {
    background: linear-gradient(180deg, 
        var(--color-darker) 0%, 
        var(--color-blue-dark) 100%);
}

.neural-grid {
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 217, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 217, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
    0% { background-position: 0 0; }
    100% { background-position: 50px 50px; }
}

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

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-cyan);
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.section-title::before {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    color: var(--color-cyan);
    opacity: 0.3;
    z-index: -1;
    text-shadow: 2px 2px 0 rgba(0, 217, 255, 0.5);
}

.title-line {
    width: 150px;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--color-cyan) 50%, 
        transparent 100%);
    margin: 0 auto;
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.6);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
    color: var(--color-silver);
}

.about-intro {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem) !important;
    font-weight: 400;
    color: var(--color-white);
}

.highlight {
    color: var(--color-cyan-light);
    font-weight: 500;
    text-shadow: 0 0 10px rgba(0, 217, 255, 0.4);
}

/* Visual Components */
.visual-components {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.component-card {
    position: relative;
    padding: var(--spacing-lg);
    background: rgba(13, 27, 42, 0.5);
    border: 1px solid rgba(0, 217, 255, 0.2);
    text-align: center;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.component-card:hover {
    border-color: var(--color-cyan);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 217, 255, 0.2);
}

.card-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, 
        rgba(0, 217, 255, 0.1) 0%, 
        transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.component-card:hover .card-glow {
    opacity: 1;
}

/* Eye Visual */
.eye-visual {
    width: 150px;
    height: 150px;
    margin: 0 auto var(--spacing-md);
    position: relative;
}

.eye-outer {
    width: 100%;
    height: 100%;
    border: 3px solid var(--color-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 0 20px rgba(0, 217, 255, 0.4),
        inset 0 0 20px rgba(0, 217, 255, 0.2);
    animation: eye-pulse 3s ease-in-out infinite;
}

@keyframes eye-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.eye-iris {
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, 
        rgba(45, 27, 78, 0.8) 0%, 
        rgba(13, 27, 42, 0.9) 50%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.eye-pupil {
    width: 40%;
    height: 40%;
    background: var(--color-darker);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.6);
}

.lens-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 30%, 
        rgba(94, 243, 255, 0.3) 0%, 
        transparent 50%);
    border-radius: 50%;
}

.lens-scan {
    position: absolute;
    top: -50%;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(180deg, 
        rgba(0, 217, 255, 0.6) 0%, 
        transparent 100%);
    animation: scan 3s linear infinite;
}

@keyframes scan {
    0% { top: -50%; }
    50% { top: 100%; }
    100% { top: -50%; }
}

/* Chip Visual */
.chip-visual {
    width: 150px;
    height: 150px;
    margin: 0 auto var(--spacing-md);
    position: relative;
}

.chip-body {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(45, 27, 78, 0.8) 0%, 
        rgba(13, 27, 42, 0.9) 100%);
    border: 2px solid var(--color-cyan);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 0 20px rgba(0, 217, 255, 0.4),
        inset 0 0 20px rgba(0, 217, 255, 0.1);
}

.chip-circuit {
    position: absolute;
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--color-cyan) 50%, 
        transparent 100%);
    left: 10%;
}

.chip-circuit:nth-child(1) {
    top: 30%;
    animation: circuit-flow 2s ease-in-out infinite;
}

.chip-circuit:nth-child(2) {
    top: 50%;
    animation: circuit-flow 2s ease-in-out 0.3s infinite;
}

.chip-circuit:nth-child(3) {
    top: 70%;
    animation: circuit-flow 2s ease-in-out 0.6s infinite;
}

@keyframes circuit-flow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.chip-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: var(--color-cyan);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.8);
    animation: chip-pulse-anim 2s ease-in-out infinite;
}

@keyframes chip-pulse-anim {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    50% { transform: translate(-50%, -50%) scale(1.5); opacity: 0.5; }
}

.neural-connection {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 30px;
    background: linear-gradient(180deg, 
        var(--color-cyan) 0%, 
        transparent 100%);
    animation: connection-pulse 2s ease-in-out infinite;
}

@keyframes connection-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.component-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-cyan);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.component-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-silver);
    opacity: 0.9;
}

/* ========================================
   HOW IT WORKS SECTION
   ======================================== */
.how-section {
    background: linear-gradient(180deg, 
        var(--color-blue-dark) 0%, 
        var(--color-purple) 100%);
}

.synapse-animation {
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 217, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(94, 243, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(45, 27, 78, 0.15) 0%, transparent 50%);
    animation: synapse-move 10s ease-in-out infinite;
}

@keyframes synapse-move {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    align-items: start;
    position: relative;
}

.step-card {
    position: relative;
    padding: var(--spacing-lg);
    background: rgba(13, 27, 42, 0.6);
    border: 1px solid rgba(0, 217, 255, 0.2);
    text-align: center;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
}

.step-card[data-step="1"] { animation-delay: 0.2s; }
.step-card[data-step="2"] { animation-delay: 0.4s; }
.step-card[data-step="3"] { animation-delay: 0.6s; }

.step-card:hover {
    border-color: var(--color-cyan);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 217, 255, 0.3);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, 
        var(--color-purple) 0%, 
        var(--color-blue) 100%);
    border: 2px solid var(--color-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-cyan);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
}

.step-icon {
    width: 100px;
    height: 100px;
    margin: var(--spacing-md) auto;
    position: relative;
    color: var(--color-cyan);
}

.icon-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border: 2px solid rgba(0, 217, 255, 0.3);
    border-radius: 50%;
    animation: icon-pulse-anim 2s ease-out infinite;
}

@keyframes icon-pulse-anim {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

.step-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.6));
    animation: icon-float 3s ease-in-out infinite;
}

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

.step-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-cyan-light);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.step-description {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-silver);
}

.connection-line {
    display: none;
}

@media (min-width: 768px) {
    .steps-container {
        grid-template-columns: 1fr auto 1fr auto 1fr;
    }
    
    .connection-line {
        display: block;
        width: 2px;
        height: 100px;
        background: linear-gradient(180deg, 
            var(--color-cyan) 0%, 
            transparent 50%,
            var(--color-cyan) 100%);
        margin: 0 var(--spacing-md);
        align-self: center;
        opacity: 0;
        animation: fadeIn 0.8s ease-out 0.5s forwards;
    }
}

/* ========================================
   TECHNOLOGY SECTION
   ======================================== */
.tech-section {
    background: linear-gradient(180deg, 
        var(--color-purple) 0%, 
        var(--color-darker) 100%);
}

.circuit-background {
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 2px 2px, rgba(0, 217, 255, 0.15) 1px, transparent 0);
    background-size: 40px 40px;
    opacity: 0.3;
}

.tech-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, 
        rgba(45, 27, 78, 0.4) 0%, 
        transparent 70%);
    animation: tech-glow-pulse 5s ease-in-out infinite;
}

@keyframes tech-glow-pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

.tech-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.tech-description {
    margin-bottom: var(--spacing-xl);
}

.tech-intro {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    line-height: 1.8;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.tech-text {
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.8;
    color: var(--color-silver);
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.tech-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    opacity: 0;
    transform: scale(0.8);
    animation: scaleIn 0.6s ease-out forwards;
}

.tech-feature:nth-child(1) { animation-delay: 0.2s; }
.tech-feature:nth-child(2) { animation-delay: 0.4s; }
.tech-feature:nth-child(3) { animation-delay: 0.6s; }
.tech-feature:nth-child(4) { animation-delay: 0.8s; }

@keyframes scaleIn {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.feature-icon {
    width: 60px;
    height: 60px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, 
        rgba(0, 217, 255, 0.4) 0%, 
        transparent 70%);
    animation: feature-glow-pulse 2s ease-in-out infinite;
}

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

.feature-symbol {
    font-size: 2rem;
    color: var(--color-cyan);
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.8);
    z-index: 2;
    animation: rotate 4s linear infinite;
}

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

.feature-text {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-cyan-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.tech-tagline {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    line-height: 1.8;
    color: var(--color-white);
    font-weight: 300;
    font-style: italic;
    opacity: 0.9;
    margin-top: var(--spacing-lg);
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact-section {
    background: linear-gradient(180deg, 
        var(--color-darker) 0%, 
        var(--color-dark) 100%);
    min-height: 90vh;
}

.contact-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, 
        rgba(0, 217, 255, 0.15) 0%, 
        transparent 60%);
    animation: contact-glow-pulse 4s ease-in-out infinite;
}

@keyframes contact-glow-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.contact-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.contact-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 600;
    color: var(--color-cyan);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.4;
}

.contact-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.8;
    color: var(--color-silver);
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.form-input {
    width: 100%;
    padding: 1.2rem 1.5rem;
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--color-white);
    background: rgba(13, 27, 42, 0.5);
    border: 1px solid rgba(0, 217, 255, 0.3);
    outline: none;
    transition: all var(--transition-normal);
}

.form-input:focus {
    border-color: var(--color-cyan);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
}

.form-input::placeholder {
    color: var(--color-silver);
    opacity: 0.5;
}

.input-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-cyan);
    transition: width var(--transition-normal);
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.8);
}

.form-input:focus + .input-line {
    width: 100%;
}

.submit-button {
    width: 100%;
}

.success-message {
    display: none;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid var(--color-cyan);
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    animation: slideIn 0.5s ease-out;
}

.success-message.show {
    display: flex;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.success-icon {
    width: 30px;
    height: 30px;
    background: var(--color-cyan);
    color: var(--color-darker);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.success-message p {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--color-cyan-light);
    margin: 0;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--color-darker);
    padding: var(--spacing-lg) var(--spacing-md);
    border-top: 1px solid rgba(0, 217, 255, 0.2);
}

.footer-content {
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-cyan);
    text-transform: uppercase;
    letter-spacing: 0.3em;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    font-family: var(--font-accent);
    font-size: 1rem;
    color: var(--color-silver);
    margin-bottom: var(--spacing-md);
    opacity: 0.8;
}

.footer-copyright {
    font-size: 0.9rem;
    color: var(--color-silver);
    opacity: 0.6;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 768px) {
    .section {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .hero-section {
        min-height: 100vh;
    }
    
    .logo {
        letter-spacing: 0.2em;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .visual-components {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .tech-features {
        grid-template-columns: 1fr;
    }
    
    .cta-button {
        padding: 1rem 2rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .scroll-indicator {
        bottom: var(--spacing-md);
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}