/* =============================================
   TÜYO Landing Page - Component Styles
   ============================================= */

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-green-dark) 100%);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px var(--neon-green-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--neon-green-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: var(--neon-green);
    color: var(--neon-green);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    color: var(--neon-green);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* ===== Glass Card ===== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

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

.glass-card-sm {
    padding: var(--space-6);
    border-radius: var(--radius-xl);
}

/* ===== Feature Card ===== */
.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-green), var(--neon-purple));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--neon-green-subtle);
    border-radius: var(--radius-2xl);
    font-size: 2.5rem;
    transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
    background: var(--neon-green-glow);
    box-shadow: var(--shadow-neon-green);
}

.feature-card:nth-child(2) .feature-icon {
    background: var(--neon-purple-subtle);
}

.feature-card:nth-child(2):hover .feature-icon {
    background: var(--neon-purple-glow);
    box-shadow: var(--shadow-neon-purple);
}

.feature-card:nth-child(3) .feature-icon {
    background: rgba(255, 215, 0, 0.1);
}

.feature-card:nth-child(3):hover .feature-icon {
    background: rgba(255, 215, 0, 0.3);
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.4);
}

.feature-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.feature-description {
    font-size: var(--text-base);
    color: var(--text-secondary);
}

/* ===== iPhone Mockup ===== */
.iphone-mockup {
    width: var(--mockup-width);
    height: var(--mockup-height);
    background: linear-gradient(145deg, #2a2a2e, #1a1a1e);
    border-radius: var(--mockup-radius);
    padding: var(--mockup-bezel);
    box-shadow:
        0 25px 80px rgba(0, 255, 136, 0.15),
        0 10px 40px rgba(0, 0, 0, 0.5),
        inset 0 1px 1px rgba(255, 255, 255, 0.1);
    position: relative;
    flex-shrink: 0;
}

/* Dynamic Island */
.iphone-mockup::before {
    content: '';
    position: absolute;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: 90px;
    height: 28px;
    background: #000;
    border-radius: 20px;
    z-index: 10;
}

/* Side Buttons */
.iphone-mockup::after {
    content: '';
    position: absolute;
    right: -3px;
    top: 120px;
    width: 3px;
    height: 60px;
    background: linear-gradient(180deg, #3a3a3e, #2a2a2e);
    border-radius: 0 2px 2px 0;
}

.iphone-screen {
    width: 100%;
    height: 100%;
    border-radius: calc(var(--mockup-radius) - var(--mockup-bezel));
    overflow: hidden;
    background: #000;
}

.iphone-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Mockup Variants */
.iphone-mockup-lg {
    --mockup-width: 320px;
    --mockup-height: 660px;
}

.iphone-mockup-sm {
    --mockup-width: 220px;
    --mockup-height: 450px;
}

/* 3D Perspective Mockup */
.iphone-mockup-3d {
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
    transition: transform var(--transition-slow);
}

.iphone-mockup-3d:hover {
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
}

/* ===== Form Elements ===== */
.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.form-input {
    width: 100%;
    padding: var(--space-4);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

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

.form-input:focus {
    border-color: var(--neon-green);
    box-shadow: 0 0 0 3px var(--neon-green-subtle);
}

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

/* ===== Badge ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    background: var(--neon-green-subtle);
    color: var(--neon-green);
}

.badge-purple {
    background: var(--neon-purple-subtle);
    color: var(--neon-purple);
}

.badge-gold {
    background: rgba(255, 215, 0, 0.1);
    color: var(--gold);
}

/* ===== Step Card ===== */
.step-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-6);
}

.step-number {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-green-dark) 100%);
    color: var(--bg-primary);
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 800;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-neon-green);
}

.step-card:nth-child(2) .step-number {
    background: linear-gradient(135deg, var(--neon-purple) 0%, var(--neon-purple-dark) 100%);
    box-shadow: var(--shadow-neon-purple);
}

.step-card:nth-child(3) .step-number {
    background: linear-gradient(135deg, var(--gold) 0%, #E6C200 100%);
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.4);
}

.step-icon {
    font-size: 2rem;
    margin-bottom: var(--space-4);
}

.step-title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.step-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* ===== Social Links ===== */
.social-links {
    display: flex;
    gap: var(--space-4);
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: var(--text-xl);
    transition: all var(--transition-base);
}

.social-link:hover {
    border-color: var(--neon-green);
    color: var(--neon-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-neon-green);
}

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

/* ===== Logo ===== */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.logo img {
    height: 55px;
    width: auto;
}

.logo-text {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--text-primary);
}