/* ═══════════════════════════════════════════════════════════
   AXKAN Lead Capture Form — "Cotiza tu Proyecto"
   Conversion-optimized, animation-rich, mobile-first

   Design: Animated gradient mesh + glassmorphism cards
   Flow: Hero → Contact (Step 1) → Project (Step 2) → Success
   ═══════════════════════════════════════════════════════════ */

@font-face {
    font-family: 'RL Aqva';
    src: url('/fonts/rl-aqva-black.otf') format('opentype');
    font-weight: 900;
    font-display: swap;
}

:root {
    --rosa: #e72a88;
    --rosa-light: #fce4ef;
    --rosa-glow: rgba(231, 42, 136, 0.35);
    --verde: #8ab73b;
    --verde-light: #eef6e0;
    --naranja: #f39223;
    --naranja-light: #fef0dd;
    --turquesa: #09adc2;
    --turquesa-light: #e0f5f8;
    --rojo: #e52421;

    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #eeeeee;
    --gray-300: #e0e0e0;
    --gray-400: #bdbdbd;
    --gray-500: #9e9e9e;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #333333;
    --gray-900: #1a1a1a;

    --success: #10b981;
    --error: #ef4444;

    --font-display: 'RL Aqva', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 100px;

    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 24px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.1);
    --shadow-glow: 0 0 40px var(--rosa-glow);

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: #0a0a0f;
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ═══════════════════════════════════════
   ANIMATED BACKGROUND SCENE
   ═══════════════════════════════════════ */

.bg-scene {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.bg-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        #0a0a14 0%,
        #120a1a 25%,
        #0a0a14 50%,
        #0a1218 75%,
        #0a0a14 100%
    );
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    will-change: transform;
    contain: strict;
}

.bg-orb--rosa {
    width: 500px;
    height: 500px;
    background: var(--rosa);
    top: -15%;
    right: -10%;
    animation: orbFloat1 20s ease-in-out infinite;
}

.bg-orb--turquesa {
    width: 400px;
    height: 400px;
    background: var(--turquesa);
    bottom: -10%;
    left: -15%;
    animation: orbFloat2 25s ease-in-out infinite;
}

.bg-orb--naranja {
    width: 300px;
    height: 300px;
    background: var(--naranja);
    top: 50%;
    left: 60%;
    animation: orbFloat3 18s ease-in-out infinite;
}

.bg-orb--verde {
    width: 250px;
    height: 250px;
    background: var(--verde);
    top: 30%;
    left: -5%;
    animation: orbFloat4 22s ease-in-out infinite;
}

.bg-mesh {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(231, 42, 136, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(9, 173, 194, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(243, 146, 35, 0.02) 0%, transparent 50%);
}

@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-40px, 60px) scale(1.1); }
    66% { transform: translate(30px, -30px) scale(0.95); }
}

@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(50px, -40px) scale(1.05); }
    66% { transform: translate(-30px, 50px) scale(0.9); }
}

@keyframes orbFloat3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-60px, -30px) scale(1.15); }
    66% { transform: translate(40px, 40px) scale(0.85); }
}

@keyframes orbFloat4 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, 50px) scale(1.08); }
    66% { transform: translate(-20px, -40px) scale(0.92); }
}

/* Particles canvas */
#particles {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

/* ═══════════════════════════════════════
   APP CONTAINER
   ═══════════════════════════════════════ */

.app {
    position: relative;
    z-index: 2;
    max-width: 540px;
    margin: 0 auto;
    padding: 0 20px;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

/* ═══════════════════════════════════════
   TOP BAR
   ═══════════════════════════════════════ */

.topbar {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px 0 8px;
    position: relative;
    z-index: 50;
}

.topbar-logo img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(231, 42, 136, 0.3));
    transition: transform 0.3s var(--ease-spring);
    margin-bottom: 4px;
}

.topbar-logo:hover img {
    transform: scale(1.1) rotate(-5deg);
}

.topbar-progress {
    position: absolute;
    right: 0;
    top: 28px;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.5s var(--ease-spring);
}

.topbar-progress.visible {
    opacity: 1;
    transform: scale(1);
}

.progress-ring {
    position: relative;
    width: 42px;
    height: 42px;
}

.progress-ring svg {
    width: 42px;
    height: 42px;
    transform: rotate(-90deg);
}

.progress-ring__bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 3;
}

.progress-ring__fill {
    fill: none;
    stroke: var(--rosa);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 100.53;
    stroke-dashoffset: 100.53;
    transition: stroke-dashoffset 0.8s var(--ease-out);
    filter: drop-shadow(0 0 6px var(--rosa-glow));
}

.progress-ring__text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
}

/* ═══════════════════════════════════════
   SCREENS — Base & Transitions
   ═══════════════════════════════════════ */

.screen {
    display: none;
    flex: 1;
    flex-direction: column;
    justify-content: center;
    padding: 20px 0 40px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.screen.active {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

.screen.exiting {
    opacity: 0;
    transform: translateY(-30px) scale(0.97);
    transition: opacity 0.4s var(--ease-smooth), transform 0.4s var(--ease-smooth);
}

.screen.entering {
    display: flex;
    opacity: 0;
    transform: translateY(40px);
}

/* ═══════════════════════════════════════
   HERO SCREEN
   ═══════════════════════════════════════ */

.screen--hero {
    min-height: calc(100vh - 80px);
    min-height: calc(100dvh - 80px);
    text-align: center;
    padding-top: 0;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(231, 42, 136, 0.12);
    border: 1px solid rgba(231, 42, 136, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--rosa);
    letter-spacing: 0.02em;
}

.hero-badge svg {
    color: var(--naranja);
    animation: zap 2s ease-in-out infinite;
}

@keyframes zap {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.15); }
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 0;
    line-height: 1;
}

.title-line {
    font-family: var(--font-display);
    font-size: clamp(3rem, 12vw, 4.5rem);
    font-weight: 700;
    color: white;
    display: block;
}

.title-line--accent {
    color: var(--rosa);
    text-shadow: 0 0 60px var(--rosa-glow);
}

.hero-subtitle {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.55);
    max-width: 380px;
    line-height: 1.7;
}

.hero-subtitle strong {
    color: rgba(255, 255, 255, 0.85);
}

.hero-features {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 0.5rem;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.hero-feature-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--accent);
}

.btn-start {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 40px;
    background: var(--rosa);
    color: white;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    margin-top: 0.75rem;
    transition: all 0.4s var(--ease-spring);
    box-shadow:
        0 4px 20px rgba(231, 42, 136, 0.4),
        0 0 0 0 rgba(231, 42, 136, 0);
    position: relative;
    overflow: hidden;
}

.btn-start::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.15) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn-start:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow:
        0 8px 32px rgba(231, 42, 136, 0.5),
        0 0 0 4px rgba(231, 42, 136, 0.15);
}

.btn-start:hover::before {
    transform: translateX(100%);
}

.btn-start:active {
    transform: translateY(-1px) scale(0.98);
}

.btn-start svg {
    transition: transform 0.3s var(--ease-spring);
}

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

.hero-trust {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.3);
    margin-top: 0.5rem;
}

.hero-trust svg {
    color: var(--verde);
    opacity: 0.6;
}

/* Hero entrance animations */
.animate-pop {
    animation: popIn 0.6s var(--ease-spring) both;
    animation-delay: var(--delay, 0s);
}

.animate-slide {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.7s var(--ease-out) both;
    animation-delay: var(--delay, 0s);
}

.animate-fade {
    opacity: 0;
    transform: translateY(15px);
    animation: fadeUp 0.7s var(--ease-out) both;
    animation-delay: var(--delay, 0s);
}

@keyframes popIn {
    0% { opacity: 0; transform: scale(0.8) translateY(10px); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes slideUp {
    0% { opacity: 0; transform: translateY(30px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
    0% { opacity: 0; transform: translateY(15px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════
   FORM SCREENS
   ═══════════════════════════════════════ */

.form-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.step-indicator {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 0.75rem;
}

.step-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--rosa);
    line-height: 1;
}

.step-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.3);
}

.form-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 5vw, 2.25rem);
    font-weight: 700;
    color: white;
    margin-bottom: 0.35rem;
}

.form-subtitle {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.45);
}

/* Form card - glassmorphism */
.form-card {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ═══════════════════════════════════════
   FORM FIELDS
   ═══════════════════════════════════════ */

.field-group {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.field-group.visible {
    opacity: 1;
    transform: translateY(0);
}

.field-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
}

.field-label svg {
    color: rgba(255, 255, 255, 0.35);
    flex-shrink: 0;
}

.field-input-wrap {
    position: relative;
}

.field-input-wrap--phone {
    display: flex;
    align-items: center;
}

.phone-prefix {
    position: absolute;
    left: 16px;
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.4);
    z-index: 2;
    pointer-events: none;
}

.field-input-wrap--phone .field-input {
    padding-left: 52px;
}

.field-input {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: white;
    background: rgba(255, 255, 255, 0.06);
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    outline: none;
    transition: all 0.3s var(--ease-smooth);
    -webkit-appearance: none;
}

.field-input::placeholder {
    color: rgba(255, 255, 255, 0.2);
}

.field-input:hover {
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.08);
}

.field-input:focus {
    border-color: var(--rosa);
    background: rgba(231, 42, 136, 0.06);
    box-shadow: 0 0 0 3px rgba(231, 42, 136, 0.12), 0 0 20px rgba(231, 42, 136, 0.08);
}

.field-focus-ring {
    position: absolute;
    inset: -3px;
    border-radius: calc(var(--radius-md) + 3px);
    border: 2px solid transparent;
    pointer-events: none;
    transition: border-color 0.3s ease;
}

.field-input:focus ~ .field-focus-ring {
    border-color: rgba(231, 42, 136, 0.15);
    animation: focusPulse 2s ease-in-out infinite;
}

@keyframes focusPulse {
    0%, 100% { border-color: rgba(231, 42, 136, 0.15); }
    50% { border-color: rgba(231, 42, 136, 0.3); }
}

.field-input.valid {
    border-color: var(--verde);
    background: rgba(138, 183, 59, 0.06);
}

.field-input.valid:focus {
    box-shadow: 0 0 0 3px rgba(138, 183, 59, 0.12);
}

.field-input.invalid {
    border-color: var(--error);
    background: rgba(239, 68, 68, 0.06);
}

.field-hint {
    display: block;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.25);
    margin-top: 6px;
    padding-left: 2px;
}

.field-error {
    display: none;
    font-size: 0.78rem;
    color: var(--error);
    margin-top: 6px;
    padding-left: 2px;
    animation: shakeX 0.4s ease;
}

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

@keyframes shakeX {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

/* ═══════════════════════════════════════
   PRODUCT SELECTION CARDS
   ═══════════════════════════════════════ */

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.product-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 8px;
    background: rgba(255, 255, 255, 0.04);
    border: 1.5px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s var(--ease-spring);
    font-family: var(--font-body);
    color: white;
    -webkit-tap-highlight-color: transparent;
}

.product-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.product-card.selected {
    background: rgba(231, 42, 136, 0.1);
    border-color: var(--rosa);
    box-shadow: 0 0 20px rgba(231, 42, 136, 0.15);
}

.product-card.selected .product-card-icon {
    background: var(--rosa);
    color: white;
    transform: scale(1.1);
}

.product-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    color: var(--accent, var(--gray-400));
    transition: all 0.3s var(--ease-spring);
}

.product-card-name {
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.2;
}

.product-card-desc {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.3);
    line-height: 1.2;
}

/* Last card spans if odd count (5 items in 3-col) */
.product-grid .product-card:nth-child(4) {
    grid-column: 1 / 2;
}

.product-grid .product-card:nth-child(5) {
    grid-column: 2 / 4;
}

/* ═══════════════════════════════════════
   CHIP SELECT (Quantity / Timeline)
   ═══════════════════════════════════════ */

.chip-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s var(--ease-spring);
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}

.chip:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.18);
    color: white;
}

.chip.selected {
    background: rgba(231, 42, 136, 0.12);
    border-color: var(--rosa);
    color: var(--rosa);
    font-weight: 600;
    box-shadow: 0 0 16px rgba(231, 42, 136, 0.12);
}

.chip:active {
    transform: scale(0.95);
}

/* ═══════════════════════════════════════
   FORM ACTIONS (Buttons)
   ═══════════════════════════════════════ */

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    gap: 12px;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 20px;
    background: transparent;
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: rgba(255, 255, 255, 0.5);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    -webkit-tap-highlight-color: transparent;
}

.btn-back:hover {
    border-color: rgba(255, 255, 255, 0.2);
    color: white;
}

.btn-next, .btn-submit {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--rosa);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s var(--ease-spring);
    box-shadow: 0 4px 16px rgba(231, 42, 136, 0.35);
    margin-left: auto;
    -webkit-tap-highlight-color: transparent;
    position: relative;
    overflow: hidden;
}

.btn-next::before, .btn-submit::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.12) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.btn-next:hover, .btn-submit:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 28px rgba(231, 42, 136, 0.45);
}

.btn-next:hover::before, .btn-submit:hover::before {
    transform: translateX(100%);
}

.btn-next:active, .btn-submit:active {
    transform: translateY(0) scale(0.98);
}

.btn-next:disabled, .btn-submit:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-submit {
    background: linear-gradient(135deg, var(--rosa), #c91e73);
}

/* ═══════════════════════════════════════
   LOADING SCREEN
   ═══════════════════════════════════════ */

.screen--loading {
    align-items: center;
    text-align: center;
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.loading-content h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: white;
}

.loading-content p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.9rem;
}

.loading-spinner {
    position: relative;
    width: 72px;
    height: 72px;
}

.spinner-ring {
    position: absolute;
    inset: 0;
    border: 3px solid rgba(255, 255, 255, 0.06);
    border-top-color: var(--rosa);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s ease-in-out infinite;
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(0.85); opacity: 0.6; }
}

/* ═══════════════════════════════════════
   SUCCESS SCREEN
   ═══════════════════════════════════════ */

.screen--success {
    align-items: center;
    text-align: center;
    position: relative;
}

#confetti-canvas {
    position: fixed;
    inset: 0;
    z-index: 100;
    pointer-events: none;
}

.success-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    position: relative;
    z-index: 2;
}

.success-check {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--verde), #6d9e2a);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: successPop 0.6s var(--ease-spring) both;
    box-shadow: 0 8px 32px rgba(138, 183, 59, 0.4);
}

@keyframes successPop {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

.success-check svg {
    animation: checkDraw 0.5s ease 0.3s both;
}

@keyframes checkDraw {
    0% { stroke-dasharray: 30; stroke-dashoffset: 30; }
    100% { stroke-dasharray: 30; stroke-dashoffset: 0; }
}

.success-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    animation: fadeUp 0.5s var(--ease-out) 0.4s both;
}

.success-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.5);
    max-width: 340px;
    line-height: 1.7;
    animation: fadeUp 0.5s var(--ease-out) 0.5s both;
}

.success-subtitle strong {
    color: rgba(255, 255, 255, 0.85);
}

.success-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 320px;
    margin-top: 0.5rem;
    animation: fadeUp 0.5s var(--ease-out) 0.7s both;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 28px;
    background: #25D366;
    color: white;
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-full);
    transition: all 0.3s var(--ease-spring);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5);
}

.btn-whatsapp--small {
    font-size: 0.9rem;
    padding: 12px 20px;
}

.btn-catalog {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 20px;
    background: transparent;
    border: 1.5px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.6);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-full);
    transition: all 0.3s var(--ease-smooth);
}

.btn-catalog:hover {
    border-color: rgba(255, 255, 255, 0.25);
    color: white;
}

/* ═══════════════════════════════════════
   ERROR SCREEN
   ═══════════════════════════════════════ */

.screen--error {
    align-items: center;
    text-align: center;
}

.error-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.error-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--error);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: successPop 0.5s var(--ease-spring) both;
}

.error-content h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: white;
}

.error-content p {
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.95rem;
    max-width: 320px;
    line-height: 1.6;
}

.error-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 280px;
}

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */

.form-footer {
    padding: 24px 0;
    text-align: center;
    margin-top: auto;
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.25);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--rosa);
}

.footer-dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
}

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */

@media (max-width: 480px) {
    .app {
        padding: 0 16px;
    }

    /* PERFORMANCE: Simplify background on mobile */
    .bg-orb {
        filter: blur(60px);
        opacity: 0.08;
        animation: none !important;
    }

    /* Hide 2 of 4 orbs on mobile */
    .bg-orb--naranja,
    .bg-orb--verde {
        display: none;
    }

    .form-card {
        padding: 22px 18px;
        border-radius: var(--radius-lg);
        /* PERFORMANCE: Replace backdrop-filter with solid bg on mobile */
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(18, 18, 28, 0.92);
    }

    .product-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .product-card {
        padding: 12px 6px;
    }

    .product-card-icon {
        width: 40px;
        height: 40px;
    }

    .product-card-icon svg {
        width: 22px;
        height: 22px;
    }

    .product-card-name {
        font-size: 0.75rem;
    }

    .product-card-desc {
        display: none;
    }

    .chip {
        padding: 9px 14px;
        font-size: 0.82rem;
    }

    .hero-features {
        gap: 1rem;
    }

    .hero-feature span {
        font-size: 0.78rem;
    }

    .btn-start {
        padding: 16px 36px;
        font-size: 1rem;
    }
}

@media (max-width: 360px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-grid .product-card:nth-child(4),
    .product-grid .product-card:nth-child(5) {
        grid-column: auto;
    }

    .product-card-desc {
        display: block;
    }

    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
}

@media (min-width: 540px) {
    .product-grid {
        grid-template-columns: repeat(5, 1fr);
    }

    .product-grid .product-card:nth-child(4),
    .product-grid .product-card:nth-child(5) {
        grid-column: auto;
    }
}

/* ═══════════════════════════════════════
   ACCESSIBILITY
   ═══════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .bg-orb { animation: none !important; }
    #particles { display: none; }
}

/* Focus visible for keyboard nav */
:focus-visible {
    outline: 2px solid var(--rosa);
    outline-offset: 2px;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible),
input:focus:not(:focus-visible) {
    outline: none;
}

/* ═══════════════════════════════════════════════════════════
   LIGHT MODE — Auto-switches based on device preference
   ═══════════════════════════════════════════════════════════ */

@media (prefers-color-scheme: light) {

    body {
        background: #fafafa;
    }

    /* Background scene — softer, lighter orbs */
    .bg-gradient {
        background: linear-gradient(135deg,
            #fafafa 0%,
            #f5f0f8 25%,
            #fafafa 50%,
            #f0f7fa 75%,
            #fafafa 100%
        );
    }

    .bg-orb { opacity: 0.08; filter: blur(100px); }
    .bg-mesh {
        background-image:
            radial-gradient(circle at 20% 50%, rgba(231, 42, 136, 0.04) 0%, transparent 50%),
            radial-gradient(circle at 80% 20%, rgba(9, 173, 194, 0.04) 0%, transparent 50%),
            radial-gradient(circle at 50% 80%, rgba(243, 146, 35, 0.03) 0%, transparent 50%);
    }

    /* Top bar */
    .topbar-logo img {
        filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.08));
    }

    /* Progress ring */
    .progress-ring__bg { stroke: rgba(0, 0, 0, 0.08); }
    .progress-ring__text { color: var(--gray-600); }

    /* Hero text */
    .title-line { color: var(--gray-900); }
    .title-line--accent { color: var(--rosa); text-shadow: none; }

    .hero-badge {
        background: rgba(231, 42, 136, 0.08);
        border-color: rgba(231, 42, 136, 0.15);
    }

    .hero-subtitle { color: var(--gray-500); }
    .hero-subtitle strong { color: var(--gray-800); }

    .hero-feature { color: var(--gray-500); }
    .hero-feature-icon {
        background: rgba(0, 0, 0, 0.04);
        border-color: rgba(0, 0, 0, 0.06);
    }

    .hero-trust { color: var(--gray-400); }

    /* Buttons */
    .btn-start {
        box-shadow: 0 4px 20px rgba(231, 42, 136, 0.25);
    }
    .btn-start:hover {
        box-shadow: 0 8px 32px rgba(231, 42, 136, 0.35),
                    0 0 0 4px rgba(231, 42, 136, 0.1);
    }

    /* Form headers */
    .step-label { color: var(--gray-400); }
    .form-title { color: var(--gray-900); }
    .form-subtitle { color: var(--gray-500); }

    /* Form card — light glassmorphism */
    .form-card {
        background: rgba(255, 255, 255, 0.75);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid rgba(0, 0, 0, 0.06);
        box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
    }

    /* Field labels & hints */
    .field-label { color: var(--gray-700); }
    .field-label svg { color: var(--gray-400); }
    .field-hint { color: var(--gray-400); }

    /* Inputs */
    .field-input {
        color: var(--gray-900);
        background: rgba(0, 0, 0, 0.03);
        border-color: rgba(0, 0, 0, 0.1);
    }
    .field-input::placeholder { color: var(--gray-400); }
    .field-input:hover {
        border-color: rgba(0, 0, 0, 0.18);
        background: rgba(0, 0, 0, 0.04);
    }
    .field-input:focus {
        border-color: var(--rosa);
        background: rgba(231, 42, 136, 0.03);
        box-shadow: 0 0 0 3px rgba(231, 42, 136, 0.08), 0 0 16px rgba(231, 42, 136, 0.05);
    }
    .field-input.valid {
        border-color: var(--verde);
        background: rgba(138, 183, 59, 0.04);
    }
    .field-input.invalid {
        border-color: var(--error);
        background: rgba(239, 68, 68, 0.03);
    }

    .phone-prefix { color: var(--gray-500); }

    /* Product cards */
    .product-card {
        background: rgba(0, 0, 0, 0.02);
        border-color: rgba(0, 0, 0, 0.08);
        color: var(--gray-800);
    }
    .product-card:hover {
        background: rgba(0, 0, 0, 0.04);
        border-color: rgba(0, 0, 0, 0.12);
    }
    .product-card.selected {
        background: rgba(231, 42, 136, 0.06);
        border-color: var(--rosa);
        box-shadow: 0 0 16px rgba(231, 42, 136, 0.1);
    }
    .product-card-icon {
        background: rgba(0, 0, 0, 0.04);
    }
    .product-card-desc { color: var(--gray-400); }

    /* Chips */
    .chip {
        background: rgba(0, 0, 0, 0.03);
        border-color: rgba(0, 0, 0, 0.1);
        color: var(--gray-600);
    }
    .chip:hover {
        background: rgba(0, 0, 0, 0.05);
        border-color: rgba(0, 0, 0, 0.15);
        color: var(--gray-800);
    }
    .chip.selected {
        background: rgba(231, 42, 136, 0.07);
        border-color: var(--rosa);
        color: var(--rosa);
        box-shadow: 0 0 12px rgba(231, 42, 136, 0.08);
    }

    /* Back button */
    .btn-back {
        border-color: rgba(0, 0, 0, 0.1);
        color: var(--gray-500);
    }
    .btn-back:hover {
        border-color: rgba(0, 0, 0, 0.2);
        color: var(--gray-800);
    }

    /* Next / Submit buttons */
    .btn-next, .btn-submit {
        box-shadow: 0 4px 16px rgba(231, 42, 136, 0.2);
    }
    .btn-next:hover, .btn-submit:hover {
        box-shadow: 0 8px 28px rgba(231, 42, 136, 0.3);
    }

    /* Loading screen */
    .loading-content h2 { color: var(--gray-900); }
    .loading-content p { color: var(--gray-500); }
    .spinner-ring {
        border-color: rgba(0, 0, 0, 0.06);
        border-top-color: var(--rosa);
    }

    /* Success screen */
    .success-title { color: var(--gray-900); }
    .success-subtitle { color: var(--gray-500); }
    .success-subtitle strong { color: var(--gray-800); }

    .btn-catalog {
        border-color: rgba(0, 0, 0, 0.1);
        color: var(--gray-500);
    }
    .btn-catalog:hover {
        border-color: rgba(0, 0, 0, 0.2);
        color: var(--gray-800);
    }

    /* Error screen */
    .error-content h2 { color: var(--gray-900); }
    .error-content p { color: var(--gray-500); }

    /* Footer */
    .footer-links a { color: var(--gray-400); }
    .footer-dot { background: rgba(0, 0, 0, 0.12); }
}

/* Light mode + mobile: solid form card bg */
@media (prefers-color-scheme: light) and (max-width: 480px) {
    .form-card {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(255, 255, 255, 0.95);
    }
}