/* Reset & Global */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-black: #080808;
    --bg-panel: rgba(22, 22, 26, 0.7);
    --border-color: rgba(255, 255, 255, 0.06);
    --color-orange: #ff512f;
    --color-red: #dd2476;
    --color-gold: #f09819;
    --color-whatsapp: #00e676;
    --text-white: #ffffff;
    --text-gray: #a0a5b5;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-black);
    color: var(--text-white);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Top bar */
.top-announcement {
    background: linear-gradient(90deg, var(--color-orange) 0%, var(--color-red) 100%);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    text-align: center;
    padding: 8px 20px;
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
}

/* Header */
.site-header {
    background: rgba(8, 8, 8, 0.9);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.site-logo {
    height: 52px;
    object-fit: contain;
}

.main-nav {
    display: flex;
    gap: 32px;
}

.main-nav a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-gray);
    transition: color 0.3s;
}

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

.whatsapp-top-btn {
    background: var(--color-whatsapp);
    color: #000;
    font-weight: 700;
    padding: 10px 20px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    transition: all 0.3s;
    font-family: var(--font-heading);
}

.whatsapp-top-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 230, 118, 0.4);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 700;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-orange) 0%, var(--color-red) 100%);
    color: #fff;
    box-shadow: 0 5px 20px rgba(255, 81, 47, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 81, 47, 0.5);
}

.btn-whatsapp {
    background: #121b22;
    border: 1px solid rgba(0, 230, 118, 0.3);
    color: var(--color-whatsapp);
}

.btn-whatsapp:hover {
    background: rgba(0, 230, 118, 0.05);
    border-color: var(--color-whatsapp);
    transform: translateY(-3px);
}

/* Hero Section */
.hero-section {
    padding: 80px 0;
    position: relative;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
}

.hero-badge {
    background: rgba(255, 81, 47, 0.1);
    border: 1px solid rgba(255, 81, 47, 0.2);
    color: var(--color-orange);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    background: linear-gradient(135deg, #ffffff 40%, var(--color-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    color: var(--text-gray);
    font-size: 1.15rem;
    line-height: 1.6;
}

.hero-btns {
    display: flex;
    gap: 16px;
    width: 100%;
    flex-wrap: wrap;
}

.hero-brands {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hero-brands span {
    font-size: 0.8rem;
    font-weight: 700;
    color: #6a6f80;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.brand-icons {
    display: flex;
    gap: 24px;
    color: #8f95a8;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.glow-bg {
    position: absolute;
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, rgba(255, 81, 47, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    z-index: 1;
}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.8);
    position: relative;
    z-index: 2;
    border: 1px solid var(--border-color);
}

/* Trust Seals Banner */
.trust-banner {
    background: rgba(255, 255, 255, 0.02);
    border-y: 1px solid var(--border-color);
    padding: 30px 0;
}

.trust-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.trust-item {
    display: flex;
    gap: 16px;
    align-items: center;
}

.trust-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 81, 47, 0.1);
    color: var(--color-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.trust-item h4 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    margin-bottom: 2px;
}

.trust-item p {
    color: var(--text-gray);
    font-size: 0.85rem;
}

/* ¿Quiénes Somos? */
.about-section {
    padding: 100px 0;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 15px 35px rgba(0,0,0,0.6);
}

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

.about-text h2 {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.about-text p {
    color: var(--text-gray);
    font-size: 1.05rem;
    margin-bottom: 20px;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}

.stat-box h3 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    color: var(--color-orange);
    margin-bottom: 4px;
}

.stat-box p {
    font-size: 0.9rem;
    color: var(--text-gray);
    font-weight: 600;
}

/* Grading Section */
.grading-section {
    padding: 100px 0;
    background: radial-gradient(circle at 10% 80%, rgba(240, 152, 25, 0.04) 0%, transparent 50%);
}

.grading-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px auto;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-header p {
    color: var(--text-gray);
    font-size: 1.05rem;
}

.grading-interactive-box {
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    gap: 40px;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
}

.grading-controls {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.grade-tab-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 16px;
    text-align: left;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.grade-tab-btn span {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
}

.grade-tab-btn small {
    color: var(--text-gray);
    font-size: 0.85rem;
}

.grade-tab-btn:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 81, 47, 0.3);
}

.grade-tab-btn.active {
    background: rgba(255, 81, 47, 0.08);
    border-color: var(--color-orange);
    box-shadow: inset 4px 0 0 var(--color-orange);
}

.grade-tab-btn.active span {
    color: var(--color-orange);
}

.grade-display-card {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 30px;
    align-items: center;
    animation: fadeIn 0.4s ease;
}

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

.display-info h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--color-orange);
    margin-bottom: 12px;
}

.display-info p {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.display-metrics {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.metric-row {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 10px;
}

.metric-row span {
    display: block;
    font-size: 0.8rem;
    color: #6a6f80;
    text-transform: uppercase;
    font-weight: 700;
}

.metric-row strong {
    font-size: 1.05rem;
    color: var(--text-white);
}

.display-visual {
    background: #000;
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    box-shadow: inset 0 0 20px rgba(255, 81, 47, 0.05);
}

.phone-mock {
    width: 130px;
    height: 230px;
    border: 4px solid #333;
    border-radius: 20px;
    position: relative;
    background: #111;
    overflow: hidden;
}

.phone-notch {
    width: 60px;
    height: 14px;
    background: #333;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.phone-screen {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 10px;
    text-align: center;
}

.phone-grade-badge {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-orange);
}

.scratch-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.3;
}

.scratches-heavy {
    background-image: radial-gradient(circle, transparent 20%, #444 30%, transparent 40%);
    background-size: 15px 15px;
}

.scratches-light {
    background-image: radial-gradient(circle, transparent 40%, #222 45%, transparent 50%);
    background-size: 30px 30px;
}

.display-visual h5 {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: #6a6f80;
}

/* Cotizador Section */
.cotizador-section {
    padding: 100px 0;
}

.cotizador-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.cotizador-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 40px;
}

.catalog-selection h3,
.order-summary-box h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 10px;
}

.model-selection-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.phone-row-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 20px 24px;
    border-radius: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    transition: all 0.3s;
}

.phone-row-card:hover {
    border-color: rgba(255, 81, 47, 0.2);
    background: rgba(22, 22, 26, 0.9);
}

.phone-item-header {
    display: flex;
    align-items: center;
    gap: 16px;
}

.phone-img-container {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    overflow: hidden;
    background: #0d0d0d;
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.phone-catalog-img {
    width: 90%;
    height: 90%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.phone-row-card:hover .phone-catalog-img {
    transform: scale(1.1);
}

.phone-info h4 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
}

.phone-info span {
    font-size: 0.85rem;
    color: var(--text-gray);
}

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

.c-select {
    background: #080808;
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 8px 12px;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.85rem;
}

.c-qty {
    width: 60px;
    text-align: center;
    background: #080808;
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 8px 0;
    border-radius: 8px;
    font-weight: 700;
}

.btn-add-item {
    background: linear-gradient(135deg, var(--color-orange) 0%, var(--color-red) 100%);
    border: none;
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    font-weight: 800;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
}

.btn-add-item:hover {
    transform: scale(1.08);
}

.order-summary-box {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: fit-content;
}

.selected-items-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
    max-height: 300px;
    overflow-y: auto;
    padding-right: 4px;
}

.empty-msg {
    text-align: center;
    color: var(--text-gray);
    font-size: 0.9rem;
    padding: 30px 0;
}

.added-item-row {
    background: #080808;
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.added-item-info h5 {
    font-size: 0.95rem;
    font-weight: 700;
}

.added-item-info p {
    font-size: 0.8rem;
    color: var(--color-gold);
    font-weight: 600;
}

.added-item-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.added-item-qty {
    font-weight: 800;
    color: #fff;
    font-size: 0.95rem;
}

.btn-remove-item {
    background: transparent;
    border: none;
    color: #ef4444;
    cursor: pointer;
    font-size: 1.2rem;
}

.packaging-estimator {
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pack-metric {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
}

.pack-metric strong {
    color: var(--color-orange);
}

.box-info {
    font-size: 0.75rem;
    color: var(--text-gray);
    line-height: 1.4;
}

.whatsapp-btn-wrapper {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.btn-whatsapp-send {
    background: var(--color-whatsapp);
    color: #000;
    border: none;
    padding: 16px;
    border-radius: 30px;
    font-weight: 800;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
}

.btn-whatsapp-send:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 230, 118, 0.3);
}

.btn-whatsapp-send:disabled {
    background: #1c2721;
    color: #3b5045;
    cursor: not-allowed;
}

.whatsapp-btn-desc {
    font-size: 0.75rem;
    color: #6a6f80;
    text-align: center;
}

/* Contact Section */
.contacto-section {
    padding: 100px 0;
    background: var(--bg-black);
}

.contacto-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.contacto-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px auto;
}

.contacto-header h2 {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.contacto-header p {
    color: var(--text-gray);
}

.contacto-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 50px;
}

.contacto-form {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #8c93a6;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: #080808;
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: 10px;
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-orange);
    box-shadow: 0 0 10px rgba(255, 81, 47, 0.15);
}

.btn-submit-fierro {
    width: 100%;
    background: linear-gradient(135deg, var(--color-orange) 0%, var(--color-red) 100%);
    color: #fff;
    border: none;
    padding: 16px;
    border-radius: 50px;
    font-weight: 700;
    font-family: var(--font-heading);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-submit-fierro:hover {
    box-shadow: 0 5px 20px rgba(255, 81, 47, 0.3);
    transform: translateY(-2px);
}

.contacto-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: 20px;
}

.info-card h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.info-card p {
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.cert-card {
    border-left: 3px solid var(--color-orange);
}

.check-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
}

.check-list span {
    font-size: 0.85rem;
    color: #bdc2d1;
    font-weight: 500;
}

/* Footer */
.site-footer {
    background: #040404;
    border-top: 1px solid var(--border-color);
    padding: 60px 0 40px 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1.3fr 1fr 1.3fr;
    gap: 50px;
}

.footer-brand .footer-logo {
    height: 52px;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-gray);
    font-size: 0.85rem;
    max-width: 350px;
}

.footer-contact h4,
.footer-legal h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.footer-contact p {
    color: var(--text-gray);
    font-size: 0.85rem;
    margin-bottom: 10px;
}

.footer-legal p {
    color: #5b6070;
    font-size: 0.78rem;
    margin-bottom: 10px;
    line-height: 1.5;
}

/* Success Modal */
.email-success-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.85);
    z-index: 300;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(8px);
}

.email-success-modal.show {
    display: flex;
}

.icon-circle {
    width: 60px;
    height: 60px;
    background: rgba(0, 230, 118, 0.1);
    border: 2px solid var(--color-whatsapp);
    color: var(--color-whatsapp);
    font-size: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(0, 230, 118, 0.3);
}

.btn-close-modal {
    background: linear-gradient(135deg, var(--color-orange) 0%, var(--color-red) 100%);
    border: none;
    color: #fff;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 700;
    cursor: pointer;
    font-family: var(--font-heading);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content {
        align-items: center;
    }
    .hero-btns {
        justify-content: center;
    }
    .hero-brands {
        align-items: center;
    }
    .trust-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .about-container {
        grid-template-columns: 1fr;
    }
    .grading-interactive-box {
        grid-template-columns: 1fr;
    }
    .grading-controls {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 8px;
    }
    .grade-tab-btn {
        flex-shrink: 0;
        min-width: 180px;
        padding: 12px;
    }
    .cotizador-grid {
        grid-template-columns: 1fr;
    }
    .contacto-grid {
        grid-template-columns: 1fr;
    }
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    .footer-brand p {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    .hero-content h1 {
        font-size: 2.6rem;
    }
    .grade-display-card {
        grid-template-columns: 1fr;
    }
    .phone-row-card {
        flex-direction: column;
        align-items: stretch;
    }
    .selector-actions {
        justify-content: space-between;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}