/* 
  KLEVR $299 Flash Sale - Design System
  Theme: Dark Blue / Teal Tech
*/

:root {
    --bg-color: #04080c;
    --bg-gradient-start: #0a1118;
    --bg-gradient-end: #030712;
    --accent-teal: #2dd4bf;
    --accent-teal-glow: rgba(45, 212, 191, 0.4);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --glass-bg: rgba(15, 23, 42, 0.6);
    --glass-border: rgba(255, 255, 255, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    background-image:
        radial-gradient(circle at 20% 20%, rgba(45, 212, 191, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(2, 132, 199, 0.05) 0%, transparent 40%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Reusable Components */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-weight: 600;
    border-radius: 9999px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
    font-size: 1.1rem;
}

.btn-primary {
    background-color: var(--accent-teal);
    color: #04080c;
    box-shadow: 0 0 20px var(--accent-teal-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--accent-teal-glow);
    filter: brightness(1.1);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
}

.section-padding {
    padding: 6rem 0;
}

.subheadline {
    color: var(--text-secondary);
    font-size: 1.25rem;
}

.text-gradient {
    background: linear-gradient(to right, #fff, var(--accent-teal));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Hero Section */

.hero {
    position: relative;
    text-align: center;
    min-height: 80vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.urgency-bar {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.badge {
    background: rgba(45, 212, 191, 0.1);
    border: 1px solid var(--accent-teal);
    color: var(--accent-teal);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    margin-bottom: 1.5rem;
}

.hero-title .price {
    color: var(--accent-teal);
    text-shadow: 0 0 20px var(--accent-teal-glow);
}

.hero-subheadline {
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.trust-bullets {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.bullet {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.bullet .icon {
    color: var(--accent-teal);
    font-weight: 700;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.micro-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    opacity: 0.8;
}

.glow-sphere {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.1) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

/* Sections Common */
.text-center {
    text-align: center;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* Grid Layout */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* How It Works */
.steps-grid {
    margin: 4rem 0;
}

.step-card {
    padding: 3rem 2rem;
    text-align: left;
    position: relative;
    transition: var(--transition);
}

.step-card:hover {
    border-color: var(--accent-teal);
    transform: translateY(-5px);
}

.step-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-teal);
    opacity: 0.2;
    position: absolute;
    top: 1rem;
    right: 1.5rem;
}

.step-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.step-card p {
    color: var(--text-secondary);
}

.reassurance-bar {
    display: flex;
    justify-content: center;
    gap: 3rem;
    font-weight: 600;
    color: var(--accent-teal);
    flex-wrap: wrap;
    margin-top: 2rem;
}

.check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* See Our Work */
.demo-container {
    margin-top: 4rem;
}

.demo-card {
    overflow: hidden;
    max-width: 1000px;
    margin: 0 auto;
}

.demo-preview {
    width: 100%;
    height: 500px;
    background-color: #1e293b;
    position: relative;
}

.demo-preview iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.demo-content {
    padding: 3rem;
}

.demo-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-style: italic;
}

/* Benefits Section */
.benefits-grid {
    margin-top: 4rem;
}

.benefit-card {
    padding: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    text-align: left;
}

.benefit-icon {
    font-size: 2rem;
    background: rgba(45, 212, 191, 0.1);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    color: var(--accent-teal);
    flex-shrink: 0;
}

.benefit-card h3 {
    margin-bottom: 0.5rem;
}

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

/* Form Section */
.form-container {
    max-width: 800px;
    margin: 4rem auto 0;
}

.flash-sale-form {
    padding: 3rem;
    text-align: left;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

input,
select,
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-teal);
    background: rgba(255, 255, 255, 0.1);
}

.form-footer {
    text-align: center;
    margin-top: 2rem;
}

.btn-full {
    width: 100%;
}

/* Footer Section */
.footer {
    background: rgba(2, 6, 23, 0.8);
    border-top: 1px solid var(--glass-border);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

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

.footer-bottom {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.85rem;
    color: var(--text-secondary);
    width: 100%;
}

/* Responsive Fixes */
@media (max-width: 968px) {
    .grid-3 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2.25rem;
    }

    .reassurance-bar {
        gap: 1rem;
        flex-direction: column;
        align-items: center;
    }

    .demo-preview {
        height: 300px;
    }

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

    .flash-sale-form {
        padding: 2rem 1.5rem;
    }

    .footer-content {
        text-align: center;
    }
}