/* ================================
   Grupo Felmel - Luxury Jewelry Landing
   Aesthetic: Editorial Jewelry Luxury
   ================================ */

:root {
    /* Brand Colors */
    --color-primary: #021a23;
    --color-secondary: #7b9e7e;
    --color-tertiary: #e7f1f2;

    /* Gold Accent */
    --color-gold: #c9a961;
    --color-gold-light: #f4e9c8;
    --color-gold-dark: #a08339;

    /* Silver Accent */
    --color-silver: #c0c0c0;
    --color-silver-light: #e8e8e8;

    /* Neutrals */
    --color-white: #FFFFFF;
    --color-cream: #faf9f7;
    --color-gray-50: #f8f7f5;
    --color-gray-100: #f0eeeb;
    --color-gray-200: #e2dfdb;
    --color-gray-300: #c9c5bf;
    --color-gray-400: #a39e96;
    --color-gray-500: #7d7871;
    --color-gray-600: #5c5852;
    --color-gray-700: #3d3a36;
    --color-gray-900: #1a1917;

    /* Semantic */
    --color-success: #4a7c59;
    --color-success-bg: #e8f2eb;
    --color-error: #b54a4a;
    --color-error-bg: #fbe9e9;

    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Layout */
    --container-max: 1200px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Effects */
    --shadow-soft: 0 4px 20px rgba(2, 26, 35, 0.06);
    --shadow-medium: 0 8px 40px rgba(2, 26, 35, 0.1);
    --shadow-strong: 0 20px 60px rgba(2, 26, 35, 0.15);
    --shadow-gold: 0 4px 20px rgba(201, 169, 97, 0.25);

    /* Transitions */
    --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --duration-fast: 150ms;
    --duration-base: 300ms;
    --duration-slow: 500ms;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ================================
   Background Decorations
   ================================ */
.bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(201, 169, 97, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(123, 158, 126, 0.04) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.floating-gem {
    position: fixed;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
}

.gem-1 {
    top: 10%;
    right: 5%;
    background: radial-gradient(circle, var(--color-gold-light) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.gem-2 {
    bottom: 20%;
    left: 5%;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, var(--color-tertiary) 0%, transparent 70%);
    animation: float 25s ease-in-out infinite reverse;
}

.gem-3 {
    top: 50%;
    right: 15%;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--color-silver-light) 0%, transparent 70%);
    animation: float 15s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(20px, -20px) scale(1.05); }
    50% { transform: translate(-10px, 10px) scale(0.95); }
    75% { transform: translate(-20px, -10px) scale(1.02); }
}

/* ================================
   Layout
   ================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    position: relative;
    z-index: 1;
}

/* ================================
   Navigation
   ================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(250, 249, 247, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 169, 97, 0.1);
    z-index: 1000;
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

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

.logo-img {
    height: 62px;
    width: auto;
    transition: transform var(--duration-base) var(--ease-out);
}

.logo:hover .logo-img {
    transform: scale(1.02);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--color-gray-600);
    background: transparent;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--duration-base) var(--ease-out);
}

.btn-ghost:hover {
    color: var(--color-primary);
    border-color: var(--color-gold);
    background: var(--color-gold-light);
}

/* ================================
   Hero Section
   ================================ */
.hero {
    padding: calc(80px + var(--space-4xl)) 0 var(--space-4xl);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gold-dark);
    background: var(--color-gold-light);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
}

.badge-icon {
    color: var(--color-gold);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    line-height: 1.1;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.title-line {
    display: block;
}

.title-accent {
    display: block;
    font-style: italic;
    color: var(--color-secondary);
}

.hero-subtitle {
    font-size: 1.125rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--color-gray-500);
    margin-bottom: var(--space-xl);
    max-width: 480px;
}

.hero-subtitle strong {
    font-weight: 500;
    color: var(--color-primary);
}

.hero-subtitle strong:first-of-type {
    color: var(--color-gold-dark);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-primary) 0%, #043345 100%);
    border: none;
    border-radius: var(--radius-sm);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--duration-base) var(--ease-out);
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-strong);
}

.btn-primary svg {
    transition: transform var(--duration-base) var(--ease-out);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

/* Hero Buttons Container */
.hero-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 1rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--color-primary);
    background: transparent;
    border: 2px solid var(--color-gold);
    border-radius: var(--radius-sm);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--duration-base) var(--ease-out);
}

.btn-secondary:hover {
    background: var(--color-gold-light);
    border-color: var(--color-gold-dark);
    transform: translateY(-2px);
}

.btn-secondary svg {
    color: var(--color-gold);
    transition: transform var(--duration-base) var(--ease-out);
}

.btn-secondary:hover svg {
    transform: scale(1.1);
}

/* Hero Visual - Image Carousel */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.hero-carousel {
    position: relative;
    width: 100%;
    max-width: 450px;
    aspect-ratio: 3/4;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-strong);
    background: var(--color-gray-100);
}

.hero-carousel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 3px solid var(--color-gold);
    border-radius: var(--radius-xl);
    z-index: 10;
    pointer-events: none;
}

.hero-carousel::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 40%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 60%
    );
    animation: shine 6s ease-in-out infinite;
    z-index: 5;
    pointer-events: none;
}

@keyframes shine {
    0%, 100% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    50% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s var(--ease-in-out);
    z-index: 1;
}

.carousel-slide.active {
    opacity: 1;
    z-index: 2;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.slide-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-xl) var(--space-lg);
    background: linear-gradient(to top, rgba(2, 26, 35, 0.9) 0%, transparent 100%);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    z-index: 3;
}

.label-tag {
    display: inline-block;
    width: fit-content;
    padding: 0.25rem 0.625rem;
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary);
    background: var(--color-gold);
    border-radius: 2px;
}

.label-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Carousel Indicators */
.carousel-indicators {
    position: absolute;
    bottom: var(--space-lg);
    right: var(--space-lg);
    display: flex;
    gap: var(--space-sm);
    z-index: 10;
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--color-white);
    background: transparent;
    cursor: pointer;
    transition: all var(--duration-base) var(--ease-out);
    padding: 0;
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.5);
}

.indicator.active {
    background: var(--color-gold);
    border-color: var(--color-gold);
    transform: scale(1.2);
}

/* ================================
   Categories Section
   ================================ */
.categories {
    padding: var(--space-5xl) 0;
    background: var(--color-white);
    position: relative;
}

.categories::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold-light), transparent);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold-dark);
    margin-bottom: var(--space-sm);
}

.section-tag.light {
    color: var(--color-gold-light);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 400;
    color: var(--color-primary);
    line-height: 1.2;
}

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

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.category-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--duration-base) var(--ease-out);
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-secondary));
    transform: scaleX(0);
    transition: transform var(--duration-base) var(--ease-out);
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
    border-color: var(--color-gold-light);
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-card.featured {
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-cream) 100%);
    border-color: var(--color-gold);
}

.category-card.featured::before {
    transform: scaleX(1);
    background: var(--color-gold);
}

/* Card Image Wrapper - Circular product images */
.card-image-wrapper {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-lg);
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-medium);
    transition: all var(--duration-base) var(--ease-out);
}

.card-image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    padding: 3px;
    background: linear-gradient(135deg, var(--color-gold), var(--color-secondary));
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    z-index: 2;
}

.card-image-wrapper.gold::before {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
}

.card-image-wrapper.silver::before {
    background: linear-gradient(135deg, var(--color-silver), #8a8a8a);
}

.card-image-wrapper.handmade::before {
    background: linear-gradient(135deg, var(--color-secondary), #5a7d5d);
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--duration-base) var(--ease-out);
}

.category-card:hover .card-image-wrapper {
    transform: scale(1.05);
    box-shadow: var(--shadow-strong);
}

.category-card:hover .card-image {
    transform: scale(1.1);
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.card-description {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.card-tag {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-gold-dark);
    background: var(--color-gold-light);
    border-radius: var(--radius-sm);
}

.category-card.featured .card-tag {
    color: var(--color-white);
    background: var(--color-gold);
}

/* ================================
   Benefits Section
   ================================ */
.benefits {
    padding: var(--space-5xl) 0;
    background: var(--color-cream);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-4xl);
    align-items: start;
}

.benefits-text {
    position: sticky;
    top: 120px;
}

.benefits-intro {
    font-size: 1.0625rem;
    color: var(--color-gray-500);
    line-height: 1.7;
    margin-top: var(--space-lg);
}

.benefits-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.benefit-item {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
    transition: all var(--duration-base) var(--ease-out);
}

.benefit-item:hover {
    border-color: var(--color-gold);
    box-shadow: var(--shadow-soft);
}

.benefit-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-gold);
    line-height: 1;
    min-width: 50px;
}

.benefit-content h4 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.benefit-content p {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    line-height: 1.6;
}

/* ================================
   Registration Section
   ================================ */
.registration {
    padding: var(--space-5xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, #032d3d 100%);
    position: relative;
    overflow: hidden;
}

.registration::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 10% 20%, rgba(201, 169, 97, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(123, 158, 126, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.registration-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.registration-intro {
    color: var(--color-white);
}

.registration-text {
    font-size: 1.0625rem;
    font-weight: 300;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--space-lg);
}

.trust-badges {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.trust-item svg {
    color: var(--color-gold);
}

/* Form Container */
.form-container {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-strong);
    position: relative;
    overflow: hidden;
}

/* Progress Bar */
.progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-gray-200);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-gold), var(--color-secondary));
    width: 25%;
    transition: width var(--duration-slow) var(--ease-out);
}

.progress-steps {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    padding-top: var(--space-md);
}

.step-indicator {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-400);
    background: var(--color-gray-100);
    border-radius: 50%;
    transition: all var(--duration-base) var(--ease-out);
}

.step-indicator.active {
    color: var(--color-white);
    background: var(--color-gold);
    box-shadow: 0 0 0 4px var(--color-gold-light);
}

.step-indicator.completed {
    color: var(--color-white);
    background: var(--color-secondary);
}

/* Form Steps */
.multi-step-form {
    position: relative;
}

.form-step {
    display: none;
    animation: fadeIn var(--duration-base) var(--ease-out);
}

.form-step.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-step.exiting {
    animation: fadeOut var(--duration-base) var(--ease-out);
}

@keyframes fadeOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-10px); }
}

.form-question {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
    text-align: center;
}

.form-hint {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    text-align: center;
    margin-bottom: var(--space-lg);
    margin-top: calc(-1 * var(--space-sm));
}

/* Options */
.options-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.option-item {
    display: block;
    cursor: pointer;
}

.option-item input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.option-content {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-gray-50);
    border: 1.5px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease-out);
}

.option-item:hover .option-content {
    border-color: var(--color-gold-light);
    background: var(--color-white);
}

.option-item input:checked + .option-content {
    border-color: var(--color-gold);
    background: var(--color-gold-light);
}

.option-item input:focus + .option-content {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

.option-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.option-text {
    flex: 1;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.option-check {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-gray-200);
    color: transparent;
    transition: all var(--duration-fast) var(--ease-out);
}

.option-item input:checked + .option-content .option-check {
    background: var(--color-gold);
    color: var(--color-white);
}

/* Phone Input */
.phone-input-wrapper {
    display: flex;
    align-items: center;
    border: 1.5px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    background: var(--color-white);
    overflow: hidden;
    transition: all var(--duration-fast) var(--ease-out);
}

.phone-input-wrapper:focus-within {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px var(--color-gold-light);
}

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

.phone-prefix {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-gray-100);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-600);
    border-right: 1px solid var(--color-gray-200);
}

.flag {
    font-size: 1.25rem;
}

.phone-input {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-gray-900);
    border: none;
    outline: none;
    background: transparent;
}

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

.phone-error {
    font-size: 0.875rem;
    color: var(--color-error);
    margin-top: var(--space-sm);
    text-align: center;
    display: none;
}

.phone-error.visible {
    display: block;
}

/* Form Navigation */
.form-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-xl);
    gap: var(--space-md);
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-500);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    visibility: hidden;
    opacity: 0;
}

.btn-back.visible {
    visibility: visible;
    opacity: 1;
}

.btn-back:hover {
    color: var(--color-gray-700);
    background: var(--color-gray-100);
}

.btn-next,
.btn-submit {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-primary) 0%, #043345 100%);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    margin-left: auto;
}

.btn-next:hover:not(:disabled),
.btn-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-next:disabled,
.btn-submit:disabled {
    background: var(--color-gray-300);
    cursor: not-allowed;
}

.btn-submit {
    display: none;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
}

.btn-submit.visible {
    display: inline-flex;
}

.btn-next.hidden {
    display: none;
}

/* Success Screen */
.success-screen {
    display: none;
    text-align: center;
    padding: var(--space-xl) 0;
    animation: fadeIn var(--duration-base) var(--ease-out);
}

.success-screen.visible {
    display: block;
}

.success-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--color-success-bg);
    border-radius: 50%;
    color: var(--color-success);
    margin-bottom: var(--space-lg);
}

.success-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.success-text {
    font-size: 1rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-xl);
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    background: #25D366;
    border: none;
    border-radius: var(--radius-sm);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.btn-whatsapp:hover {
    background: #20BD5A;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.redirect-notice {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-top: var(--space-lg);
}

/* ================================
   Footer
   ================================ */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background: var(--color-gray-900);
    color: var(--color-gray-400);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    height: 52px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.85;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-top: var(--space-sm);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-gray-400);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.footer-link:hover {
    color: var(--color-gold);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
}

.footer-copy,
.footer-location {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

/* ================================
   Responsive Design
   ================================ */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-carousel {
        max-width: 350px;
        margin: 0 auto;
    }

    .categories-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .benefits-content {
        grid-template-columns: 1fr;
    }

    .benefits-text {
        position: static;
        text-align: center;
    }

    .registration-layout {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }

    .registration-intro {
        text-align: center;
    }

    .trust-badges {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .navbar-content {
        height: 70px;
    }

    .logo-img {
        height: 52px;
    }

    .btn-ghost span:not(.sr-only) {
        display: none;
    }

    .btn-ghost {
        padding: 0.625rem;
    }

    .hero {
        padding-top: calc(70px + var(--space-2xl));
        min-height: auto;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .form-container {
        padding: var(--space-xl);
    }

    .form-question {
        font-size: 1.25rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-lg);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .form-container {
        padding: var(--space-lg);
        border-radius: var(--radius-lg);
    }

    .option-content {
        padding: var(--space-md);
    }

    .option-icon {
        font-size: 1.25rem;
    }

    .progress-steps {
        gap: var(--space-sm);
    }

    .step-indicator {
        width: 28px;
        height: 28px;
        font-size: 0.6875rem;
    }

    .form-navigation {
        flex-wrap: wrap;
    }

    .btn-back,
    .btn-next,
    .btn-submit {
        padding: var(--space-md);
    }
}

/* Utility: Hide on mobile */
.hide-mobile {
    display: inline;
}

@media (max-width: 768px) {
    .hide-mobile {
        display: none;
    }
}