/* ============================================================
   AHTS x Canada 2026 - Registration System
   Main Stylesheet
   ============================================================ */

/* ──────────────────────────────────────────────
   Font Faces
   ────────────────────────────────────────────── */

@font-face {
    font-family: 'GT Walsheim Pro';
    src: url('../fonts/GTWalsheimPro-Light.woff2') format('woff2'),
         url('../fonts/GTWalsheimPro-Light.woff') format('woff');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'GT Walsheim Pro';
    src: url('../fonts/GTWalsheimPro-Regular.woff2') format('woff2'),
         url('../fonts/GTWalsheimPro-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'GT Walsheim Pro';
    src: url('../fonts/GTWalsheimPro-Medium.woff2') format('woff2'),
         url('../fonts/GTWalsheimPro-Medium.woff') format('woff');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'GT Walsheim Pro';
    src: url('../fonts/GTWalsheimPro-Bold.woff2') format('woff2'),
         url('../fonts/GTWalsheimPro-Bold.woff') format('woff');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* ──────────────────────────────────────────────
   CSS Custom Properties
   ────────────────────────────────────────────── */

:root {
    /* Brand Colors — dynamically overridden by BrandingService via <style> block */
    --color-primary: #050b60;
    --color-primary-dark: #020833;
    --color-secondary: #f79703;
    --color-secondary-dark: #e08800;

    /* Legacy aliases (map to dynamic brand colors) */
    --color-navy: var(--color-primary);
    --color-navy-dark: var(--color-primary-dark);
    --color-orange: var(--color-secondary);
    --color-orange-dark: var(--color-secondary-dark);

    /* Accent */
    --color-cyan: #4fe7ff;
    --color-cyan-dark: #00c4e8;
    --color-white: #ffffff;

    /* Grays */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Semantic */
    --color-success: #10b981;
    --color-success-bg: #ecfdf5;
    --color-error: #ef4444;
    --color-error-bg: #fef2f2;
    --color-warning: #f59e0b;
    --color-warning-bg: #fffbeb;

    /* Typography */
    --font-primary: 'GT Walsheim Pro', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ──────────────────────────────────────────────
   Reset / Normalize
   ────────────────────────────────────────────── */

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

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

body {
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

a:hover {
    color: var(--color-orange);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

ul, ol {
    list-style: none;
}

input,
select,
textarea,
button {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

/* ──────────────────────────────────────────────
   Container
   ────────────────────────────────────────────── */

.container {
    width: 100%;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

/* ──────────────────────────────────────────────
   Header / Navigation
   ────────────────────────────────────────────── */

.site-header {
    background-color: var(--color-navy);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    min-height: 72px;
}

.site-logo img {
    max-height: 48px;
    width: auto;
    /* filter: brightness(0) invert(1); */
}

.header-page-title {
    color: var(--color-white);
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.header-nav a {
    color: var(--color-white);
    font-weight: 500;
    font-size: 0.9375rem;
    letter-spacing: 0.01em;
    position: relative;
}

.header-nav a:not(.header-cta):hover {
    color: var(--color-cyan);
}

.header-nav a:not(.header-cta)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-cyan);
    transition: width 0.3s ease;
}

.header-nav a:not(.header-cta):hover::after {
    width: 100%;
}

.header-cta {
    padding: 0.5rem 1.25rem;
    font-size: 0.9375rem;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    cursor: pointer;
    gap: 5px;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    border-radius: 2px;
    transition: var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ──────────────────────────────────────────────
   Hero Section
   ────────────────────────────────────────────── */

.hero {
    min-height: 100vh;
    background-color: var(--color-navy-dark);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 72px;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 80px,
            rgba(79, 231, 255, 0.03) 80px,
            rgba(79, 231, 255, 0.03) 82px
        ),
        repeating-linear-gradient(
            -45deg,
            transparent,
            transparent 120px,
            rgba(247, 151, 3, 0.03) 120px,
            rgba(247, 151, 3, 0.03) 122px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 200px,
            rgba(79, 231, 255, 0.02) 200px,
            rgba(79, 231, 255, 0.02) 202px
        );
    pointer-events: none;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, var(--color-gray-50), transparent);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--color-white);
    max-width: 800px;
    padding: 2rem 1.5rem;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-orange), var(--color-orange-dark));
    color: var(--color-white);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.6s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: 1.25rem;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-title span {
    color: var(--color-cyan);
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--color-cyan);
    margin-bottom: 2.5rem;
    line-height: 1.5;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-cta {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 700;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-cta:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(247, 151, 3, 0.4);
}

.hero-date {
    margin-top: 2rem;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 300;
    animation: fadeInUp 0.6s ease 0.4s both;
}

/* ──────────────────────────────────────────────
   Section Styles
   ────────────────────────────────────────────── */

.section {
    padding: 5rem 0;
}

.section--white {
    background-color: var(--color-white);
}

.section--gray {
    background-color: var(--color-gray-50);
}

.section--navy {
    background-color: var(--color-navy-dark);
    color: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 0.75rem;
}

.section--navy .section-header h2 {
    color: var(--color-white);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-gray-500);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section--navy .section-header p {
    color: rgba(255, 255, 255, 0.6);
}

/* ──────────────────────────────────────────────
   Tier Cards
   ────────────────────────────────────────────── */

.tiers-section {
    padding: 6rem 0;
    background-color: var(--color-white);
}

.tiers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    align-items: stretch;
}

.tier-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: var(--transition-base);
    position: relative;
    border-top: 4px solid var(--color-gray-200);
    display: flex;
    flex-direction: column;
}

.tier-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.tier-card--delegate {
    border-top-color: var(--color-cyan);
}

.tier-card--gold {
    border-top-color: var(--color-orange);
}

.tier-card--vip {
    border-top: 4px solid transparent;
    border-image: linear-gradient(135deg, var(--color-navy), #c5a44e) 1;
    transform: scale(1.03);
    box-shadow: var(--shadow-xl);
}

.tier-card--vip:hover {
    transform: scale(1.03) translateY(-6px);
}

.tier-card__badge {
    position: absolute;
    top: 16px;
    right: -32px;
    background: linear-gradient(135deg, var(--color-orange), var(--color-orange-dark));
    color: var(--color-white);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.35rem 2.5rem;
    transform: rotate(45deg);
    box-shadow: 0 2px 8px rgba(247, 151, 3, 0.3);
}

.tier-card__header {
    padding: 2rem 2rem 1.5rem;
    text-align: center;
}

.tier-card__name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-navy);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.tier-card__price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-secondary, #f79703);
    line-height: 1;
}

.tier-card__price--text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-600);
    letter-spacing: 0.01em;
}

.tier-card__price sup {
    font-size: 1.25rem;
    font-weight: 500;
    vertical-align: super;
    margin-right: 2px;
}

.tier-card__price-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    font-weight: 400;
    margin-top: 0.5rem;
}

.tier-card__price--original {
    font-size: 1.125rem;
    color: var(--color-gray-400);
    text-decoration: line-through;
    font-weight: 400;
    margin-bottom: 0.25rem;
}

.tier-card__early-label {
    display: inline-block;
    background: var(--color-success-bg);
    color: var(--color-success);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.75rem;
    border-radius: 50px;
    margin-top: 0.5rem;
}

.tier-card__divider {
    height: 1px;
    background: var(--color-gray-200);
    margin: 0 2rem;
}

.tier-card__features {
    padding: 1rem 2rem 0.75rem;
    list-style: none;
    margin: 0;
}

.tier-card__features li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.2rem 0;
    font-size: 0.875rem;
    color: var(--color-gray-700);
    line-height: 1.4;
}

.tier-card__features li::before {
    content: '\2713';
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: rgba(79, 231, 255, 0.15);
    color: var(--color-cyan-dark);
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 700;
    margin-top: 1px;
}

.tier-card__footer {
    padding: 0.5rem 2rem 2rem;
    margin-top: auto;
}

.tier-card__cta {
    display: block;
    width: 100%;
    text-align: center;
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    transition: var(--transition-base);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    text-decoration: none;
}

/* Default CTA style — used by any tier without a specific modifier */
.tier-card__cta {
    background: var(--color-secondary, #f79703);
    color: var(--color-white);
}

.tier-card__cta:hover {
    background: var(--color-primary, #050b60);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    filter: none;
}

.tier-card--delegate .tier-card__cta {
    background-color: var(--color-cyan-dark);
    color: var(--color-white);
}

.tier-card--delegate .tier-card__cta:hover {
    background-color: var(--color-cyan);
    color: var(--color-navy);
}

.tier-card--gold .tier-card__cta {
    background-color: var(--color-orange);
    color: var(--color-white);
}

.tier-card--gold .tier-card__cta:hover {
    background-color: var(--color-orange-dark);
}

.tier-card--vip .tier-card__cta {
    background: linear-gradient(135deg, var(--color-navy), #1a1f6e);
    color: var(--color-white);
}

.tier-card--vip .tier-card__cta:hover {
    background: linear-gradient(135deg, #1a1f6e, var(--color-navy));
    box-shadow: 0 6px 20px rgba(5, 11, 96, 0.35);
}

.tier-card--media .tier-card__cta {
    background: linear-gradient(135deg, #2d3748, #4a5568);
    color: var(--color-white);
}

/* ──────────────────────────────────────────────
   Event Info Section
   ────────────────────────────────────────────── */

.event-info {
    padding: 5rem 0;
    background-color: var(--color-gray-50);
}

.event-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.event-info-card {
    text-align: center;
    padding: 2rem;
}

.event-info-card__icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.event-info-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.5rem;
}

.event-info-card__text {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

/* ──────────────────────────────────────────────
   CTA Section
   ────────────────────────────────────────────── */

.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--color-navy), var(--color-navy-dark));
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 60px,
            rgba(79, 231, 255, 0.04) 60px,
            rgba(79, 231, 255, 0.04) 62px
        );
    pointer-events: none;
}

.cta-section__content {
    position: relative;
    z-index: 2;
}

.cta-section h2 {
    color: var(--color-white);
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.125rem;
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ──────────────────────────────────────────────
   Registration Form Section
   ────────────────────────────────────────────── */

.register-section {
    background-color: var(--color-navy-dark);
    min-height: calc(100vh - 72px);
    padding: 7rem 0 5rem;
    position: relative;
}

.register-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 100px,
            rgba(79, 231, 255, 0.02) 100px,
            rgba(79, 231, 255, 0.02) 102px
        ),
        repeating-linear-gradient(
            -30deg,
            transparent,
            transparent 150px,
            rgba(247, 151, 3, 0.02) 150px,
            rgba(247, 151, 3, 0.02) 152px
        );
    pointer-events: none;
}

.register-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.register-header h1 {
    color: var(--color-white);
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
}

.register-header p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.0625rem;
}

.register-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 2.5rem;
    position: relative;
    z-index: 2;
}

.register-form-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 3rem;
}

.register-form-card h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-gray-200);
}

/* ──────────────────────────────────────────────
   Tier Selector (Registration Page)
   ────────────────────────────────────────────── */

.tier-selector {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

@media (min-width: 600px) {
    .tier-selector {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .tier-selector--3col {
        grid-template-columns: repeat(3, 1fr);
    }
}

.tier-option {
    position: relative;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 0.75rem 0.875rem;
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.tier-option:hover {
    border-color: var(--color-gray-400);
    background-color: var(--color-gray-50);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.tier-option--selected {
    border-color: var(--color-primary, var(--color-orange));
    background-color: rgba(var(--color-primary-rgb, 5, 11, 96), 0.04);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb, 5, 11, 96), 0.12);
}

.tier-option--selected::after {
    content: '\2713';
    position: absolute;
    top: 6px;
    right: 6px;
    width: 18px;
    height: 18px;
    background: var(--color-primary, var(--color-orange));
    color: var(--color-white);
    border-radius: 50%;
    font-size: 0.65rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tier-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.tier-option__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.tier-option__name {
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--color-navy);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.tier-option__badge {
    font-size: 0.65rem;
    background: var(--color-secondary, #f79703);
    color: #fff;
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.tier-option__price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary, var(--color-navy));
    line-height: 1.2;
    white-space: nowrap;
    flex-shrink: 0;
}

.tier-option__desc {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    line-height: 1.4;
}


.tier-option__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-top: 0.25rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--color-gray-100, #f3f4f6);
}

.tier-option__price-type {
    font-size: 0.6875rem;
    color: var(--color-gray-500);
}

.tier-option__capacity {
    font-size: 0.6875rem;
    color: var(--color-gray-400);
    background: var(--color-gray-100, #f3f4f6);
    padding: 0.15rem 0.5rem;
    border-radius: 3px;
}

/* ──────────────────────────────────────────────
   Form Elements
   ────────────────────────────────────────────── */

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

/* ----- Field Row Layout (flex-wrap for half-width fields) ----- */
.form-fields-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0 1.5rem;
}

.form-fields-row .form-group {
    width: 100%;
    flex-shrink: 0;
}

.form-fields-row .form-group--half {
    width: calc(50% - 0.75rem);
}

@media (max-width: 768px) {
    .form-fields-row .form-group--half {
        width: 100%;
    }
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
}

.form-label .required {
    color: var(--color-error);
    margin-left: 2px;
}

.form-input {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    border: 1.5px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    appearance: none;
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-cyan);
    box-shadow: 0 0 0 3px rgba(79, 231, 255, 0.1);
}

.form-input--error {
    border-color: var(--color-error);
}

.form-input--error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-error {
    display: block;
    color: var(--color-error);
    font-size: 0.875rem;
    margin-top: 0.375rem;
    animation: shake 0.4s ease;
}

.form-hint {
    display: block;
    color: var(--color-gray-500);
    font-size: 0.8125rem;
    margin-top: 0.375rem;
}

/* ----- Checkbox & Radio Option Groups ----- */
.checkbox-option-group,
.radio-option-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9375rem;
    color: var(--color-gray-700, #374151);
    font-weight: 400;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary, #050b60);
    cursor: pointer;
    flex-shrink: 0;
    margin: 0;
}

.form-check span {
    line-height: 1.4;
}

select.form-input {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ──────────────────────────────────────────────
   Coupon Section
   ────────────────────────────────────────────── */

.coupon-group {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.coupon-input {
    flex: 1;
}

.coupon-btn {
    min-width: 120px;
    padding: 0.75rem 1.25rem;
    white-space: nowrap;
    height: calc(1rem + 1.5rem + 3px);
}

.coupon-result {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.coupon-result--success {
    color: var(--color-success);
}

.coupon-result--success::before {
    content: '\2713';
    font-weight: 700;
}

.coupon-result--error {
    color: var(--color-error);
}

.coupon-result--error::before {
    content: '\2717';
    font-weight: 700;
}

/* ──────────────────────────────────────────────
   Price Summary
   ────────────────────────────────────────────── */

.price-summary {
    background: var(--color-navy);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    position: sticky;
    top: calc(72px + 2rem);
}

.price-summary__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.price-summary__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    font-size: 0.9375rem;
}

.price-summary__row--coupon {
    font-size: 0.8125rem;
}

.price-summary__row--coupon .price-summary__amount {
    font-weight: 500;
    color: var(--color-cyan);
}

.price-summary__row--discount {
    color: var(--color-cyan);
}

.price-summary__amount--discount {
    color: var(--color-cyan);
}

.price-summary__row--total {
    font-weight: 700;
    font-size: 1.125rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 1rem;
    margin-top: 0.5rem;
}

.price-summary__amount {
    font-weight: 700;
}

.price-summary__label {
    color: rgba(255, 255, 255, 0.7);
}

.price-summary__row--total .price-summary__label {
    color: var(--color-white);
}

.price-summary__badge {
    display: inline-block;
    background: rgba(79, 231, 255, 0.15);
    color: var(--color-cyan);
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 50px;
    margin-left: 0.5rem;
}

.price-summary__note {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
}

/* ──────────────────────────────────────────────
   Buttons
   ────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-base);
    border: 2px solid transparent;
    text-decoration: none;
    line-height: 1.2;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn--primary {
    background-color: var(--color-orange);
    color: var(--color-white);
    border-color: var(--color-orange);
}

.btn--primary:hover {
    background-color: var(--color-orange-dark);
    border-color: var(--color-orange-dark);
    color: var(--color-white);
}

.btn--secondary {
    background-color: var(--color-navy);
    color: var(--color-white);
    border-color: var(--color-navy);
}

.btn--secondary:hover {
    background-color: var(--color-navy-dark);
    border-color: var(--color-navy-dark);
    color: var(--color-white);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-navy);
    border-color: var(--color-navy);
}

.btn--outline:hover {
    background-color: var(--color-navy);
    color: var(--color-white);
}

.btn--outline-white {
    background-color: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn--outline-white:hover {
    background-color: var(--color-white);
    color: var(--color-navy);
    border-color: var(--color-white);
}

.btn--large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn--block {
    display: flex;
    width: 100%;
}

.btn--loading {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.btn--loading::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-left: 0.5rem;
}

/* ──────────────────────────────────────────────
   Checkout Page
   ────────────────────────────────────────────── */

.checkout-section {
    padding-top: 7rem;
    padding-bottom: 5rem;
    min-height: calc(100vh - 72px);
    background-color: var(--color-gray-50);
}

.checkout-card {
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.checkout-card__header {
    background: var(--color-navy);
    padding: 2rem;
    text-align: center;
}

.checkout-card__header h1 {
    color: var(--color-white);
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.checkout-card__header p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

.checkout-card__body {
    padding: 2.5rem;
}

.checkout-detail {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.checkout-detail:last-of-type {
    border-bottom: none;
}

.checkout-detail__label {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
}

.checkout-detail__value {
    font-weight: 600;
    color: var(--color-gray-900);
    text-align: right;
}

.checkout-detail--total {
    border-top: 2px solid var(--color-gray-200);
    border-bottom: none;
    padding-top: 1.25rem;
    margin-top: 0.5rem;
}

.checkout-detail--total .checkout-detail__label {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.checkout-detail--total .checkout-detail__value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-navy);
}

.checkout-detail--discount .checkout-detail__value {
    color: var(--color-success);
}

.checkout-card__footer {
    padding: 0 2.5rem 2.5rem;
}

.checkout-pay-btn {
    width: 100%;
    padding: 1rem;
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.checkout-powered {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--color-gray-400);
}

.checkout-powered svg {
    vertical-align: middle;
    margin-left: 0.25rem;
}

/* ──────────────────────────────────────────────
   Success / Confirmation Page
   ────────────────────────────────────────────── */

.success-section {
    padding-top: 7rem;
    padding-bottom: 5rem;
    min-height: calc(100vh - 72px);
    background-color: var(--color-gray-50);
    text-align: center;
}

.success-checkmark {
    width: 96px;
    height: 96px;
    margin: 0 auto 2rem;
}

.success-checkmark__circle {
    stroke: var(--color-success);
    stroke-width: 2;
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    fill: none;
    animation: checkmarkCircle 0.6s ease-in-out forwards;
}

.success-checkmark__check {
    stroke: var(--color-success);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    fill: none;
    animation: checkmarkCheck 0.4s 0.4s ease-in-out forwards;
}

.success-title {
    font-size: 2rem;
    color: var(--color-gray-900);
    margin-bottom: 0.75rem;
}

.success-subtitle {
    font-size: 1.0625rem;
    color: var(--color-gray-500);
    margin-bottom: 2.5rem;
}

.success-card {
    max-width: 600px;
    margin: 0 auto 2rem;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
    text-align: left;
}

.success-card h3 {
    font-size: 1.125rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.success-detail {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    font-size: 0.9375rem;
}

.success-detail__label {
    color: var(--color-gray-500);
}

.success-detail__value {
    font-weight: 600;
    color: var(--color-gray-900);
}

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

.success-note {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    max-width: 450px;
    margin: 0 auto;
}

/* ──────────────────────────────────────────────
   Cancel Page
   ────────────────────────────────────────────── */

.cancel-section {
    padding-top: 7rem;
    padding-bottom: 5rem;
    min-height: calc(100vh - 72px);
    background-color: var(--color-gray-50);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cancel-content {
    max-width: 500px;
}

.cancel-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    background: var(--color-error-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cancel-icon svg {
    width: 36px;
    height: 36px;
    stroke: var(--color-error);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.cancel-title {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.cancel-text {
    color: var(--color-gray-500);
    font-size: 1.0625rem;
    margin-bottom: 2rem;
}

.cancel-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ──────────────────────────────────────────────
   Error Pages (404 / 500)
   ────────────────────────────────────────────── */

.error-section {
    padding-top: 7rem;
    padding-bottom: 5rem;
    min-height: calc(100vh - 72px);
    background-color: var(--color-gray-50);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-content {
    max-width: 500px;
}

.error-code {
    font-size: 8rem;
    font-weight: 700;
    color: var(--color-navy);
    line-height: 1;
    margin-bottom: 0.5rem;
    opacity: 0.15;
}

.error-title {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.error-text {
    color: var(--color-gray-500);
    font-size: 1.0625rem;
    margin-bottom: 2rem;
}

.error-debug {
    text-align: left;
    background: var(--color-gray-900);
    color: #f87171;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    font-size: 0.8125rem;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    overflow-x: auto;
    margin-top: 2rem;
    white-space: pre-wrap;
    word-break: break-all;
}

/* ──────────────────────────────────────────────
   Footer
   ────────────────────────────────────────────── */

.site-footer {
    background-color: var(--color-navy-dark);
    padding: 3rem 0;
    color: var(--color-white);
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-logo {
    max-height: 32px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
}

.footer-copy p {
    font-size: 0.8125rem;
    color: var(--color-gray-400);
    margin-bottom: 0;
}

/* ──────────────────────────────────────────────
   Alert Messages
   ────────────────────────────────────────────── */

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 500;
    margin-top: calc(72px + 1rem);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideIn 0.4s ease;
}

.alert--error {
    background-color: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert--success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert--warning {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* ──────────────────────────────────────────────
   Utilities
   ────────────────────────────────────────────── */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }
.mt-6 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2rem; }
.mb-6 { margin-bottom: 3rem; }

.hidden { display: none !important; }
.visible { display: block !important; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ──────────────────────────────────────────────
   Animations
   ────────────────────────────────────────────── */

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-4px); }
    40% { transform: translateX(4px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

@keyframes checkmarkCircle {
    to {
        stroke-dashoffset: 0;
    }
}

@keyframes checkmarkCheck {
    to {
        stroke-dashoffset: 0;
    }
}

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

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

.animate-fade-in {
    animation: fadeInUp 0.6s ease both;
}

.animate-fade-in-delay-1 {
    animation: fadeInUp 0.6s ease 0.1s both;
}

.animate-fade-in-delay-2 {
    animation: fadeInUp 0.6s ease 0.2s both;
}

.animate-fade-in-delay-3 {
    animation: fadeInUp 0.6s ease 0.3s both;
}

/* ──────────────────────────────────────────────
   Step Progress Indicator
   ────────────────────────────────────────────── */

.step-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 1.25rem;
    padding: 1rem 0;
}
.step-progress__step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    position: relative;
}
.step-progress__number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    background-color: #e9ecef;
    color: #6c757d;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}
.step-progress__label {
    font-size: 0.8rem;
    color: #6c757d;
    font-weight: 500;
    white-space: nowrap;
}
.step-progress__step--active .step-progress__number {
    background-color: #f79703;
    color: #fff;
    border-color: #f79703;
}
.step-progress__step--active .step-progress__label {
    color: #ffffff;
    font-weight: 600;
}
.step-progress__step--completed .step-progress__number {
    background-color: #27ae60;
    color: #fff;
    border-color: #27ae60;
}
.step-progress__step--completed .step-progress__label {
    color: #27ae60;
    font-weight: 600;
}
.step-progress__connector {
    width: 60px;
    height: 2px;
    background-color: #e9ecef;
    margin: 0 0.5rem;
    margin-bottom: 1.25rem;
}
.step-progress__connector--completed {
    background-color: #27ae60;
}

/* ──────────────────────────────────────────────
   Registration Type Selector
   ────────────────────────────────────────────── */

.registration-type-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.type-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.25rem 1rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;
    background-color: #fff;
}
.type-option:hover {
    border-color: #f79703;
    background-color: #fff9f0;
}
.type-option--selected {
    border-color: #f79703;
    background-color: #fff9f0;
    box-shadow: 0 0 0 1px #f79703;
}
.type-option input[type="radio"] {
    display: none;
}
.type-option__icon {
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
}
.type-option__name {
    font-weight: 600;
    color: #050b60;
    font-size: 1rem;
}
.type-option__desc {
    font-size: 0.8rem;
    color: #6c757d;
    margin-top: 0.15rem;
}
.group-size-group {
    transition: all 0.3s ease;
}

/* ──────────────────────────────────────────────
   Group Attendee Rows
   ────────────────────────────────────────────── */

.form-help-text {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.attendee-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 16px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    margin-bottom: 10px;
    transition: border-color 0.2s ease;
}
.attendee-row:hover {
    border-color: #4fe7ff;
}

.attendee-row__number {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: #050b60;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    margin-top: 6px;
}

.attendee-row__fields {
    flex: 1;
    display: flex;
    gap: 10px;
}

.attendee-row__field {
    flex: 1;
    min-width: 0;
}

.attendee-row__field .form-input {
    font-size: 0.875rem;
    padding: 0.55rem 0.75rem;
}

@media (max-width: 600px) {
    .attendee-row__fields {
        flex-direction: column;
        gap: 8px;
    }
}

/* Group summary line items in price sidebar */
.price-summary__row--item {
    padding: 4px 0;
    border-bottom: none;
}
.price-summary__label--sm {
    font-size: 0.8rem;
    color: #666;
}

/* ──────────────────────────────────────────────
   Checkout Group Members
   ────────────────────────────────────────────── */

.checkout-group-members {
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
    padding: 16px 0;
    margin: 12px 0;
}

.checkout-group-members__title {
    font-size: 0.9rem;
    font-weight: 700;
    color: #050b60;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.checkout-member-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #f8f9fa;
    border-radius: 6px;
    margin-bottom: 6px;
}
.checkout-member-row:last-child {
    margin-bottom: 0;
}

.checkout-member-row__info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.checkout-member-row__name {
    font-size: 0.9rem;
    font-weight: 600;
    color: #333;
}

.checkout-member-row__badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    background: #f79703;
    color: #fff;
    padding: 1px 6px;
    border-radius: 3px;
    margin-left: 6px;
    vertical-align: middle;
}

.checkout-member-row__tier {
    font-size: 0.8rem;
    color: #888;
}

.checkout-member-row__price {
    font-size: 0.95rem;
    font-weight: 700;
    color: #050b60;
    white-space: nowrap;
}

/* Admin group badge */
.badge--group {
    background: #4fe7ff;
    color: #050b60;
    font-weight: 700;
}

/* ──────────────────────────────────────────────
   Terms Checkbox
   ────────────────────────────────────────────── */

.terms-group {
    margin-top: 1.5rem;
}
.terms-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
}
.terms-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: #f79703;
    flex-shrink: 0;
}
.terms-checkbox__text {
    font-size: 0.9rem;
    color: #333;
    line-height: 1.5;
}
.terms-checkbox__text a {
    color: #050b60;
    text-decoration: underline;
    font-weight: 500;
}
.terms-checkbox__text a:hover {
    color: #f79703;
}

/* ──────────────────────────────────────────────
   Session Timer
   ────────────────────────────────────────────── */

.session-timer {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #050b60;
    color: #fff;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(5, 11, 96, 0.3);
    z-index: 1000;
    transition: all 0.3s ease;
}
.session-timer--warning {
    background-color: #e74c3c;
    animation: pulse-timer 1s ease-in-out infinite;
}
@keyframes pulse-timer {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}
.session-timer__icon {
    font-size: 1.1rem;
}
.session-expired-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.session-expired-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
}
.session-expired-modal__content {
    position: relative;
    background: #fff;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}
.session-expired-modal__content h3 {
    color: #050b60;
    margin-bottom: 0.75rem;
    font-size: 1.5rem;
}
.session-expired-modal__content p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

/* ──────────────────────────────────────────────
   Registration Contact Info
   ────────────────────────────────────────────── */

.register-contact {
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 1.25rem;
    margin-bottom: 0;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.register-contact a {
    color: #ffffff;
    font-weight: 600;
    text-decoration: none;
}
.register-contact a:hover {
    color: #f79703;
    text-decoration: underline;
}

/* ──────────────────────────────────────────────
   Footer Links
   ────────────────────────────────────────────── */

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 1rem 0;
}
.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    text-decoration: none;
    transition: color 0.2s ease;
}
.footer-links a:hover {
    color: #f79703;
}

/* ──────────────────────────────────────────────
   intl-tel-input Override
   ────────────────────────────────────────────── */

.iti {
    width: 100%;
}

/* ──────────────────────────────────────────────
   Responsive: Tablet (max-width: 768px)
   ────────────────────────────────────────────── */

@media (max-width: 768px) {
    /* Navigation */
    .mobile-menu-toggle {
        display: flex;
    }

    .header-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-navy);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition-base);
    }

    .header-nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .header-nav a:not(.header-cta)::after {
        display: none;
    }

    .header-cta {
        width: 100%;
        text-align: center;
    }

    /* Hero */
    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.0625rem;
    }

    /* Tiers */
    .tiers-grid {
        grid-template-columns: 1fr;
        max-width: 440px;
        margin-left: auto;
        margin-right: auto;
    }

    .tier-card--vip {
        transform: none;
    }

    .tier-card--vip:hover {
        transform: translateY(-6px);
    }

    /* Event Info */
    .event-info-grid {
        grid-template-columns: 1fr;
    }

    /* Registration */
    .register-layout {
        grid-template-columns: 1fr;
    }

    .register-form-card {
        padding: 2rem;
    }

    .tier-selector {
        grid-template-columns: 1fr;
    }

    .price-summary {
        position: static;
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer-brand {
        flex-direction: column;
    }

    /* Sections */
    .section-header h2 {
        font-size: 1.75rem;
    }

    .tiers-section {
        padding: 4rem 0;
    }

    .register-header h1 {
        font-size: 1.75rem;
    }

    /* Coupon */
    .coupon-group {
        flex-direction: column;
    }

    .coupon-btn {
        width: 100%;
        min-width: auto;
    }

    /* Step Progress */
    .step-progress__label { font-size: 0.75rem; }
    .step-progress__connector { width: 40px; }

    /* Registration Type */
    .registration-type-selector { grid-template-columns: 1fr; }

    /* Footer Links */
    .footer-links { flex-direction: column; gap: 0.75rem; align-items: center; }
}

/* ──────────────────────────────────────────────
   Responsive: Mobile (max-width: 480px)
   ────────────────────────────────────────────── */

@media (max-width: 480px) {
    .hero {
        min-height: 90vh;
    }

    .hero-title {
        font-size: 1.875rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        width: 100%;
        text-align: center;
    }

    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .register-form-card {
        padding: 1.5rem;
    }

    .tier-card__header {
        padding: 1.5rem 1.5rem 1rem;
    }

    .tier-card__features {
        padding: 1rem 1.5rem;
    }

    .tier-card__footer {
        padding: 0 1.5rem 1.5rem;
    }

    .success-card {
        padding: 1.5rem;
    }

    .checkout-card__body {
        padding: 1.5rem;
    }

    .checkout-card__footer {
        padding: 0 1.5rem 1.5rem;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .download-buttons .btn {
        width: 100%;
    }

    .cancel-buttons {
        flex-direction: column;
    }

    .cancel-buttons .btn {
        width: 100%;
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }

    /* Step Progress */
    .step-progress__label { display: none; }

    /* Session Timer & Modal */
    .session-expired-modal__content { padding: 1.5rem; margin: 1rem; }
    .session-timer { bottom: 10px; right: 10px; font-size: 0.8rem; padding: 8px 14px; }
}