/* ==========================================================================
   Advanced Delta - Design Tokens & Stylesheet
   ========================================================================== */

/* Google Fonts Import loaded in HTML. Custom Font Fallbacks: */
:root {
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    /* Theme Colors */
    --color-bg: #05070c;
    --color-bg-rgb: 5, 7, 12;
    --color-surface-glass: rgba(10, 15, 30, 0.45);
    --color-surface-glass-hover: rgba(15, 22, 42, 0.6);
    --color-border-glass: rgba(255, 255, 255, 0.07);
    --color-border-glass-active: rgba(0, 242, 254, 0.3);

    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;

    /* Accents & Gradients */
    --color-cyan: #00f2fe;
    --color-blue: #4facfe;
    --color-purple: #7f00ff;
    --color-magenta: #e100ff;

    --gradient-accent-1: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-blue) 100%);
    --gradient-accent-2: linear-gradient(135deg, var(--color-purple) 0%, var(--color-magenta) 100%);
    --gradient-brand: linear-gradient(90deg, var(--color-cyan) 0%, var(--color-purple) 100%);
    --gradient-text: linear-gradient(135deg, #ffffff 30%, #a5b4fc 100%);

    /* UI Tokens */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow-premium: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 30px rgba(0, 242, 254, 0.15);
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Resets & Base Layout
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--color-bg);
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    background-image: linear-gradient(180deg, rgba(5, 7, 12, 0.72) 0%, rgba(5, 7, 12, 0.88) 100%), url('delta_state_background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: var(--color-text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Interactive Particle Canvas Background */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: all; /* Allow mouse interaction */
}

/* Floating Decorative Ambient Orbs */
.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(140px);
    z-index: 1;
    pointer-events: none;
    opacity: 0.3;
}

.orb-1 {
    top: -10%;
    right: 5%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, var(--color-blue) 0%, transparent 70%);
    animation: floatOrb 20s infinite alternate ease-in-out;
}

.orb-2 {
    bottom: -15%;
    left: -5%;
    width: 45vw;
    height: 45vw;
    background: radial-gradient(circle, var(--color-purple) 0%, transparent 70%);
    animation: floatOrb 25s infinite alternate-reverse ease-in-out;
}

@keyframes floatOrb {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(4%, 6%) scale(1.1); }
}

/* ==========================================================================
   Page Container & Structuring
   ========================================================================== */
.page-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 1100px;
    padding: 40px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    justify-content: space-between;
}

/* Header */
.header {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 50px;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.state-crest-wrapper {
    width: 80px;
    height: 80px;
    filter: drop-shadow(0 0 10px rgba(0, 242, 254, 0.15));
    transition: var(--transition-smooth);
}

.state-crest-wrapper:hover {
    transform: scale(1.06);
    filter: drop-shadow(0 0 20px rgba(127, 0, 255, 0.3));
}

.state-crest {
    width: 100%;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 38px;
    height: 38px;
    filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.3));
    transition: var(--transition-smooth);
}

.logo:hover .logo-icon {
    transform: rotate(18deg) scale(1.05);
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 24px;
    letter-spacing: -0.5px;
    color: var(--color-text-primary);
}

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

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    text-align: center;
    max-width: 800px;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Badge Styling */
.badge-container {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border-glass);
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 24px;
    backdrop-filter: blur(8px);
}

.pulse-badge {
    width: 8px;
    height: 8px;
    background-color: var(--color-cyan);
    border-radius: 50%;
    position: relative;
    box-shadow: 0 0 8px var(--color-cyan);
}

.pulse-badge::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: var(--color-cyan);
    border-radius: 50%;
    animation: badgePulse 2s infinite ease-out;
}

@keyframes badgePulse {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(2.8); opacity: 0; }
}

.badge-text {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--color-text-secondary);
}

/* Main Heading Title */
.main-title {
    font-family: var(--font-heading);
    font-size: clamp(36px, 6vw, 68px);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
    color: var(--color-text-primary);
}

.gradient-text {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    position: relative;
}

.description {
    font-size: clamp(16px, 2vw, 19px);
    color: var(--color-text-secondary);
    max-width: 620px;
    line-height: 1.6;
    font-weight: 300;
}

/* ==========================================================================
   Countdown Component
   ========================================================================== */
.countdown-section {
    margin-bottom: 48px;
    width: 100%;
    max-width: 650px;
}

/* Glassmorphism card container */
.glass-card {
    background: var(--color-surface-glass);
    border: 1px solid var(--color-border-glass);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-premium);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.countdown-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr) auto repeat(3, auto); /* Visual template */
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 30px 40px;
    position: relative;
    overflow: hidden;
}

.countdown-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% -20%, rgba(0, 242, 254, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 70px;
}

.countdown-number {
    font-family: var(--font-heading);
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    line-height: 1;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.countdown-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    font-weight: 500;
}

.countdown-divider {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.15);
    margin-bottom: 20px;
}

/* ==========================================================================
   Newsletter & Interaction
   ========================================================================== */
.interaction-section {
    width: 100%;
    max-width: 550px;
    margin-bottom: 60px;
}

.signup-card {
    padding: 40px;
    text-align: center;
    position: relative;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.3px;
}

.card-subtitle {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 28px;
    font-weight: 400;
}

/* Subscribe Form Setup */
.subscribe-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.input-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
}

.mail-icon {
    position: absolute;
    left: 16px;
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
    pointer-events: none;
    z-index: 2;
}

.input-wrapper input {
    width: 100%;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--color-border-glass);
    padding: 16px 16px 16px 48px;
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 15px;
    outline: none;
    transition: var(--transition-smooth);
    z-index: 1;
}

.input-wrapper input:focus {
    border-color: transparent;
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 20px rgba(0, 242, 254, 0.05);
}

/* Glowing Border Effect for input focus */
.glow-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
    pointer-events: none;
    border: 1px solid transparent;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-purple)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: destination-out;
    mask-composite: exclude;
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 2;
}

.input-wrapper input:focus ~ .glow-border {
    opacity: 1;
}

.input-wrapper input:focus ~ .mail-icon {
    color: var(--color-cyan);
}

/* Submit Button */
.submit-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    width: 100%;
    background: var(--gradient-brand);
    border: none;
    padding: 16px;
    border-radius: var(--radius-md);
    color: #05070c;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.2);
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: 0.6s;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.35);
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:active {
    transform: translateY(1px);
}

.btn-arrow {
    width: 18px;
    height: 18px;
    transition: var(--transition-fast);
}

.submit-btn:hover .btn-arrow {
    transform: translateX(4px);
}

/* Form Feedback States */
.form-feedback {
    margin-top: 16px;
    font-size: 13px;
    font-weight: 500;
    display: none;
    animation: fadeInUp 0.4s ease forwards;
}

.error-message {
    color: #ff4a5a;
}

.success-message {
    color: #00f2fe;
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.success-icon-container {
    width: 48px;
    height: 48px;
    background: rgba(0, 242, 254, 0.1);
    border: 1px solid rgba(0, 242, 254, 0.2);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
}

.success-icon {
    width: 22px;
    height: 22px;
    color: var(--color-cyan);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Custom visual changes on success */
.signup-card.state-success .subscribe-form {
    display: none;
}
.signup-card.state-success .card-title,
.signup-card.state-success .card-subtitle {
    display: none;
}
.signup-card.state-success .success-message {
    display: flex;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    width: 100%;
    margin-top: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

/* Inquiries Section */
.contact-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.contact-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-muted);
    font-weight: 600;
}

.contact-email {
    font-family: var(--font-heading);
    font-size: 18px;
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    position: relative;
    padding-bottom: 2px;
}

.contact-email::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--gradient-brand);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.contact-email:hover {
    color: var(--color-cyan);
}

.contact-email:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Footer Bottom elements */
.footer-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border-glass), transparent);
}

.footer-bottom {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

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

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

.social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border-glass);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-smooth);
    color: var(--color-text-secondary);
}

.social-icon {
    width: 16px;
    height: 16px;
    fill: currentColor;
    transition: var(--transition-fast);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(0, 242, 254, 0.3);
    color: var(--color-cyan);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 242, 254, 0.1);
}

/* ==========================================================================
   Responsive Grid & Layout Queries
   ========================================================================== */

/* Tablet and Smaller Screen Optimization (max-width: 768px) */
@media (max-width: 768px) {
    .page-container {
        padding: 30px 20px;
    }
    .header {
        margin-bottom: 40px;
    }
    .hero-section {
        margin-bottom: 30px;
    }
    .countdown-container {
        padding: 24px 20px;
    }
    .signup-card {
        padding: 35px 25px;
    }
}

/* Mobile Screen Layout Optimization (max-width: 680px) */
@media (max-width: 680px) {
    .page-container {
        padding: 30px 16px;
    }
    .countdown-container {
        padding: 20px 12px;
    }
    .countdown-divider {
        font-size: 24px;
        margin-bottom: 15px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
}

/* Micro-Mobile Layout Adjustments (max-width: 480px) */
@media (max-width: 480px) {
    .page-container {
        padding: 24px 12px;
    }
    .header {
        margin-bottom: 30px;
    }
    .logo-text {
        font-size: 20px;
    }
    .logo-icon {
        width: 32px;
        height: 32px;
    }
    .state-crest-wrapper {
        width: 70px;
        height: 70px;
    }
    .main-title {
        font-size: 34px;
    }
    .countdown-container {
        padding: 16px 8px;
        gap: 4px;
    }
    .countdown-item {
        min-width: 50px;
    }
    .countdown-number {
        font-size: 26px;
        margin-bottom: 4px;
    }
    .countdown-label {
        font-size: 9px;
        letter-spacing: 0.5px;
    }
    .countdown-divider {
        font-size: 18px;
        margin-bottom: 12px;
    }
    .signup-card {
        padding: 30px 16px;
    }
    .card-title {
        font-size: 19px;
    }
    .card-subtitle {
        font-size: 13px;
        margin-bottom: 20px;
    }
    .input-wrapper input {
        padding: 14px 14px 14px 42px;
        font-size: 14px;
    }
    .mail-icon {
        left: 14px;
        width: 18px;
        height: 18px;
    }
    .submit-btn {
        padding: 14px;
        font-size: 15px;
    }
    .success-icon-container {
        width: 40px;
        height: 40px;
    }
    .success-icon {
        width: 18px;
        height: 18px;
    }
}

/* Horizontal alignment for desktop inputs (min-width: 680px) */
@media (min-width: 680px) {
    .subscribe-form {
        flex-direction: row;
        gap: 12px;
        align-items: stretch;
    }
    .input-wrapper {
        flex: 1;
    }
    .submit-btn {
        width: auto;
        white-space: nowrap;
        padding: 16px 28px;
    }
}