@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&display=swap');
@import 'variables.css';
@import 'animations.css';

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-dark);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.2rem; }

p { line-height: 1.7; }

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover { color: var(--color-primary-light); }

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

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}
@media (min-width: 768px) {
    .container { padding: 0 var(--spacing-6); }
}

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: 14px 28px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    font-family: var(--font-body);
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.1);
    opacity: 0;
    transition: opacity var(--transition-fast);
}
.btn:hover::after { opacity: 1; }

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    box-shadow: 0 4px 20px rgba(249,115,22,0.4);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(249,115,22,0.5);
    color: white;
}
.btn-primary:active { transform: translateY(0); }

.btn-accent {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-dark);
    box-shadow: 0 4px 20px rgba(74,222,128,0.3);
}
.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(74,222,128,0.4);
    color: var(--color-dark);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border-hover);
}
.btn-outline:hover {
    background: var(--color-dark-4);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-muted);
    padding: 10px 20px;
}
.btn-ghost:hover { color: var(--color-text); }

.btn-lg {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.875rem;
}

.btn-full { width: 100%; }

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Card */
.card {
    background: var(--color-dark-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    transition: border-color var(--transition-base), transform var(--transition-base);
}
.card:hover {
    border-color: var(--color-border-hover);
}
.card-interactive:hover {
    transform: translateY(-2px);
    border-color: rgba(249,115,22,0.3);
}

/* Badge pill */
.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.pill-orange { background: rgba(249,115,22,0.15); color: var(--color-primary); }
.pill-green { background: rgba(74,222,128,0.15); color: var(--color-accent); }
.pill-purple { background: rgba(168,85,247,0.15); color: var(--color-purple); }
.pill-blue { background: rgba(56,189,248,0.15); color: var(--color-blue); }
.pill-red { background: rgba(239,68,68,0.15); color: var(--color-danger); }

/* Section */
.section {
    padding: var(--spacing-20) 0;
}
.section-sm {
    padding: var(--spacing-12) 0;
}

/* Section header */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-12);
}
.section-header h2 {
    margin-bottom: var(--spacing-3);
}
.section-header p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 560px;
    margin: 0 auto;
}

/* Divider */
.divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--spacing-8) 0;
}

/* Gradient text */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary), #f59e0b, var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-green {
    background: linear-gradient(135deg, var(--color-accent), #34d399, var(--color-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glow effects */
.glow-orange { box-shadow: var(--shadow-glow-orange); }
.glow-green { box-shadow: var(--shadow-glow-green); }
.glow-purple { box-shadow: var(--shadow-glow-purple); }

/* Confetti canvas */
#confetti-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 9999;
    display: none;
}

/* Stat grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-4);
}

.stat-card {
    background: var(--color-dark-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-5) var(--spacing-4);
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* Progress bar */
.progress-bar-wrap {
    background: var(--color-dark-5);
    border-radius: var(--radius-full);
    height: 8px;
    overflow: hidden;
}
.progress-bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transition: width 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Tag */
.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-xs);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* Toast notification */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-dark-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-4) var(--spacing-6);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    z-index: 1000;
    transition: transform 0.4s var(--transition-slow);
    box-shadow: var(--shadow-lg);
    min-width: 280px;
    max-width: 90vw;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast-icon { font-size: 1.5rem; }
.toast-title { font-weight: 700; font-size: 0.95rem; }
.toast-sub { font-size: 0.8rem; color: var(--color-text-muted); }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-dark-2); }
::-webkit-scrollbar-thumb { background: var(--color-dark-5); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-subtle); }

/* Focus */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Responsive utilities */
@media (max-width: 640px) {
    .hide-mobile { display: none !important; }
    .btn-lg { padding: 16px 28px; font-size: 1rem; }
}
@media (min-width: 641px) {
    .show-mobile-only { display: none !important; }
}

/* Google OAuth button */
.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 12px 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    text-decoration: none;
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 600;
    transition: background var(--transition-base), border-color var(--transition-base);
    cursor: pointer;
}

.btn-google:hover {
    background: rgba(255,255,255,0.09);
    border-color: rgba(255,255,255,0.2);
}


/* ===== AD BANNER ===== */
.ad-banner-wrap {
    margin: var(--spacing-6) 0;
    min-height: 100px;
    overflow: hidden;
    border-radius: var(--radius-md);
}

/* ===== LEGAL / PRIVACY PAGE ===== */
.legal-page {
    padding: var(--spacing-10) 0 var(--spacing-20);
    min-height: 80vh;
}

.legal-header {
    text-align: center;
    margin-bottom: var(--spacing-10);
}

.legal-header h1 {
    font-size: 2.2rem;
    font-weight: 900;
    margin-bottom: var(--spacing-2);
}

.legal-date {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.legal-body {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
}

.legal-section h2 {
    font-size: 1.15rem;
    font-weight: 800;
    margin-bottom: var(--spacing-3);
    color: var(--color-primary);
}

.legal-section h3 {
    font-size: 1rem;
    font-weight: 700;
    margin: var(--spacing-4) 0 var(--spacing-2);
}

.legal-section p, .legal-section li {
    font-size: 0.93rem;
    line-height: 1.75;
    color: var(--color-text-muted);
}

.legal-section ul {
    padding-left: var(--spacing-5);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.legal-section a {
    color: var(--color-primary);
}

.legal-email {
    font-size: 1.05rem;
    font-weight: 700;
}

/* ===== CONTACT PAGE ===== */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-5);
    max-width: 800px;
    margin: 0 auto var(--spacing-6);
}

.contact-card {
    background: var(--color-dark-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-3);
    transition: border-color var(--transition-base);
}

.contact-card:hover {
    border-color: rgba(249,115,22,0.3);
}

.contact-icon { font-size: 2.5rem; }

.contact-card h3 {
    font-size: 1rem;
    font-weight: 800;
}

.contact-card p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    flex: 1;
}

.contact-btn { width: 100%; word-break: break-all; }

.contact-response-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    max-width: 800px;
    margin: var(--spacing-8) auto 0;
}

/* ===== CONTACT FORM ===== */
.contact-form-section {
    max-width: 640px;
    margin: var(--spacing-8) auto 0;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
}

.form-row-two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
}

@media (max-width: 600px) {
    .form-row-two { grid-template-columns: 1fr; }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input {
    background: var(--color-dark-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 12px 16px;
    color: var(--color-text);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    width: 100%;
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
}

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

.form-textarea {
    resize: vertical;
    min-height: 140px;
}

.form-error {
    font-size: 0.8rem;
    color: var(--color-danger);
    margin-top: 2px;
}

.contact-submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    flex-shrink: 0;
}

.contact-success {
    text-align: center;
    padding: var(--spacing-10) var(--spacing-6);
    background: var(--color-dark-3);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(34,197,94,0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
}

.contact-success-icon {
    font-size: 3rem;
    line-height: 1;
}

.contact-success h2 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-text);
    margin: 0;
}

.contact-success p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin: 0;
}

.contact-error-banner {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-lg);
    padding: 12px 16px;
    font-size: 0.9rem;
    color: var(--color-danger);
    margin-bottom: var(--spacing-4);
}

/* ===== FOOTER CONTACT EMAIL ===== */
.footer-contact-email {
    margin-top: var(--spacing-3);
    font-size: 0.78rem;
}

.footer-contact-email a {
    color: var(--color-text-subtle);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-contact-email a:hover {
    color: var(--color-primary);
}