/* ================================================
   BikEvent Landing Page — Styles
   ================================================
   Paleta: tema escuro + acentos laranja (extraído do app)
   Fonte: Montserrat (Light 300, Regular 400, Bold 700)
   Abordagem: Mobile-first
   ================================================ */

/* ------------------------------------------------
   CSS Variables
   ------------------------------------------------ */
:root {
    /* Cores de fundo */
    --color-bg: #0D0D0D;
    --color-bg-alt: #1A1A1A;
    --color-bg-card: #242424;

    /* Cores primárias (laranja) */
    --color-orange: #FFA500;
    --color-light-orange: #FF9E59;
    --color-dark-orange: #FF6A00;
    --color-orange-red: #FF4524;

    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray: #8FA0AC;
    --color-light-gray: #CAD1DC;
    --color-dark-gray: #4E5C69;
    --color-black: #000000;

    /* WhatsApp */
    --color-whatsapp: #25D366;
    --color-whatsapp-dark: #128C7E;
    --color-whatsapp-bg: #0B141A;
    --color-whatsapp-bubble-bot: #1F2C34;
    --color-whatsapp-bubble-user: #005C4B;

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #FF6A00, #FFA500);
    --gradient-hero: radial-gradient(ellipse at 30% 50%, rgba(255, 106, 0, 0.15), transparent 60%);
    --gradient-section: linear-gradient(180deg, #0D0D0D, #1A1A1A);
    --gradient-text: linear-gradient(135deg, #FF6A00, #FFA500);

    /* Tipografia */
    --font-family: 'Montserrat', sans-serif;
    --font-light: 300;
    --font-regular: 400;
    --font-bold: 700;

    /* Espaçamentos */
    --section-padding: clamp(3rem, 8vw, 7rem);
    --container-max: 1200px;
    --container-padding: 1.25rem;

    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.6s ease;

    /* Bordas */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
}

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

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

body {
    font-family: var(--font-family);
    font-weight: var(--font-regular);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-white);
    background-color: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-orange);
    outline-offset: 2px;
}

ul {
    list-style: none;
}

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

button {
    font-family: var(--font-family);
    cursor: pointer;
    border: none;
    background: none;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ------------------------------------------------
   Utility Classes
   ------------------------------------------------ */
.highlight {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    text-align: center;
    margin-bottom: clamp(2rem, 5vw, 4rem);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: var(--font-bold);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-gray);
    max-width: 650px;
    margin: 0 auto;
    font-weight: var(--font-light);
}

/* ------------------------------------------------
   Buttons
   ------------------------------------------------ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-xl);
    font-weight: var(--font-bold);
    font-size: 0.9rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
}

.btn:hover {
    transform: scale(1.05);
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
}

.btn--primary:hover {
    box-shadow: 0 0 25px rgba(255, 106, 0, 0.4);
}

.btn--outline {
    background: transparent;
    color: var(--color-orange);
    border: 2px solid var(--color-orange);
}

.btn--outline:hover {
    background: rgba(255, 165, 0, 0.1);
    box-shadow: 0 0 20px rgba(255, 165, 0, 0.2);
}

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

.btn--whatsapp:hover {
    box-shadow: 0 0 25px rgba(37, 211, 102, 0.4);
    background: #20bd5a;
}

.btn--lg {
    padding: 0.9rem 2rem;
    font-size: 1rem;
}

.btn--xl {
    padding: 1.1rem 2.5rem;
    font-size: 1.1rem;
}

.btn--full {
    width: 100%;
}

/* ------------------------------------------------
   Animations (Scroll Reveal)
   ------------------------------------------------ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delay for feature cards */
.features__grid .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.features__grid .animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.features__grid .animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.features__grid .animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.features__grid .animate-on-scroll:nth-child(5) { transition-delay: 0.4s; }
.features__grid .animate-on-scroll:nth-child(6) { transition-delay: 0.5s; }

.ai-guide__grid .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.ai-guide__grid .animate-on-scroll:nth-child(2) { transition-delay: 0.15s; }
.ai-guide__grid .animate-on-scroll:nth-child(3) { transition-delay: 0.3s; }
.ai-guide__grid .animate-on-scroll:nth-child(4) { transition-delay: 0.45s; }

/* ================================================
   HEADER
   ================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: background var(--transition-normal), padding var(--transition-normal), box-shadow var(--transition-normal);
    background: transparent;
}

.header.scrolled {
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 0.6rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

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

.header__logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    z-index: 10;
}

.header__logo img {
    border-radius: 8px;
}

.header__logo-text {
    font-size: 1.3rem;
    font-weight: var(--font-bold);
    color: var(--color-orange);
}

.header__nav {
    display: none;
}

.header__nav-list {
    display: flex;
    gap: 1.8rem;
}

.header__nav-link {
    font-size: 0.9rem;
    font-weight: var(--font-regular);
    color: var(--color-light-gray);
    transition: color var(--transition-fast);
    position: relative;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.header__nav-link:hover {
    color: var(--color-orange);
}

.header__nav-link:hover::after {
    width: 100%;
}

.header__cta {
    display: none;
}

/* Hamburger */
.header__hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    z-index: 1001;
    padding: 5px;
}

.header__hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

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

.header__hamburger.active span:nth-child(2) {
    opacity: 0;
}

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

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-bg-alt);
    z-index: 999;
    padding: 5rem 2rem 2rem;
    transition: right var(--transition-normal);
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
}

.mobile-menu.open {
    right: 0;
}

.mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-menu__link {
    font-size: 1.1rem;
    color: var(--color-light-gray);
    font-weight: var(--font-regular);
    transition: color var(--transition-fast);
}

.mobile-menu__link:hover {
    color: var(--color-orange);
}

.mobile-menu__cta {
    margin-top: 1rem;
    text-align: center;
}

/* Overlay */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.mobile-menu-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* ================================================
   HERO
   ================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(5rem + var(--section-padding)) 0 var(--section-padding);
    background: var(--color-bg);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    pointer-events: none;
}

/* Partículas animadas */
.hero__particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.12;
}

.particle--1 {
    width: 300px;
    height: 300px;
    background: var(--color-dark-orange);
    top: 10%;
    right: -5%;
    animation: float 8s ease-in-out infinite;
}

.particle--2 {
    width: 200px;
    height: 200px;
    background: var(--color-orange);
    bottom: 20%;
    left: -3%;
    animation: float 10s ease-in-out infinite reverse;
}

.particle--3 {
    width: 100px;
    height: 100px;
    background: var(--color-light-orange);
    top: 50%;
    left: 30%;
    animation: float 6s ease-in-out infinite;
}

.particle--4 {
    width: 60px;
    height: 60px;
    background: var(--color-orange-red);
    top: 20%;
    left: 50%;
    animation: float 7s ease-in-out infinite reverse;
}

.particle--5 {
    width: 150px;
    height: 150px;
    background: var(--color-orange);
    bottom: 10%;
    right: 20%;
    animation: float 9s ease-in-out infinite;
}

.particle--6 {
    width: 80px;
    height: 80px;
    background: var(--color-dark-orange);
    top: 60%;
    right: 40%;
    animation: float 11s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -30px) scale(1.05); }
    66% { transform: translate(-15px, 15px) scale(0.95); }
}

.hero__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
    position: relative;
    z-index: 1;
}

.hero__content {
    text-align: center;
}

.hero__title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: var(--font-bold);
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.hero__title--highlight {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: clamp(1rem, 2.2vw, 1.25rem);
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto 2rem;
    font-weight: var(--font-light);
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

/* Phone Mockup */
.hero__mockup {
    flex-shrink: 0;
}

.phone-mockup {
    width: 260px;
    height: 500px;
    background: var(--color-bg-alt);
    border-radius: 36px;
    border: 3px solid var(--color-dark-gray);
    padding: 12px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(255, 106, 0, 0.08);
}

.phone-mockup__screen {
    width: 100%;
    height: 100%;
    background: var(--color-bg);
    border-radius: 26px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.phone-mockup__header {
    padding: 16px 14px 10px;
    background: linear-gradient(180deg, rgba(255, 106, 0, 0.2), transparent);
}

.phone-mockup__logo-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-orange);
    font-size: 0.85rem;
    font-weight: var(--font-bold);
}

.phone-mockup__logo-bar img {
    border-radius: 4px;
}

.phone-mockup__content {
    padding: 8px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.phone-mockup__card {
    display: flex;
    gap: 10px;
    align-items: center;
    background: var(--color-bg-card);
    padding: 12px;
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-dark-orange);
}

.phone-mockup__card-icon {
    color: var(--color-orange);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.phone-mockup__card-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.phone-mockup__line {
    height: 8px;
    border-radius: 4px;
    background: var(--color-dark-gray);
    opacity: 0.4;
}

.phone-mockup__line--long {
    width: 100%;
}

.phone-mockup__line--short {
    width: 60%;
}

.phone-mockup__map {
    flex: 1;
    background: linear-gradient(135deg, rgba(255, 106, 0, 0.05), rgba(255, 158, 89, 0.08));
    border-radius: var(--radius-md);
    position: relative;
    min-height: 120px;
    overflow: hidden;
}

.phone-mockup__map-pin {
    position: absolute;
    top: 30%;
    left: 40%;
    color: var(--color-orange-red);
    font-size: 1.3rem;
    animation: bounce 2s ease-in-out infinite;
}

.phone-mockup__map-route {
    position: absolute;
    top: 35%;
    left: 20%;
    width: 60%;
    height: 40%;
    border: 2px dashed rgba(255, 106, 0, 0.3);
    border-radius: 50% 30% 60% 40%;
    transform: rotate(-10deg);
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ================================================
   FEATURES
   ================================================ */
.features {
    padding: var(--section-padding) 0;
    background: var(--gradient-section);
}

.features__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.feature-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: 2rem 1.5rem;
    border: 1px solid transparent;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(255, 106, 0, 0.1);
    border-color: rgba(255, 165, 0, 0.2);
}

.feature-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(255, 106, 0, 0.15), rgba(255, 165, 0, 0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
    font-size: 1.4rem;
    color: var(--color-orange);
}

.feature-card__title {
    font-size: 1.15rem;
    font-weight: var(--font-bold);
    margin-bottom: 0.75rem;
    color: var(--color-white);
}

.feature-card__text {
    font-size: 0.95rem;
    color: var(--color-gray);
    line-height: 1.6;
    font-weight: var(--font-light);
}

/* ================================================
   HOW IT WORKS (Steps)
   ================================================ */
.how-it-works {
    padding: var(--section-padding) 0;
    background: var(--color-bg);
}

.steps {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.step {
    text-align: center;
    max-width: 340px;
    position: relative;
    padding: 1.5rem;
}

.step__number {
    font-size: 3.5rem;
    font-weight: var(--font-bold);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.75rem;
}

.step__icon {
    font-size: 1.5rem;
    color: var(--color-light-orange);
    margin-bottom: 1rem;
}

.step__title {
    font-size: 1.15rem;
    font-weight: var(--font-bold);
    margin-bottom: 0.5rem;
}

.step__text {
    font-size: 0.95rem;
    color: var(--color-gray);
    font-weight: var(--font-light);
}

.step__connector {
    width: 2px;
    height: 40px;
    background: linear-gradient(180deg, var(--color-dark-orange), transparent);
}

/* ================================================
   GUIDES
   ================================================ */
.guides {
    padding: var(--section-padding) 0;
    background: var(--gradient-section);
}

.guides__content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    align-items: center;
}

.guides__benefits {
    width: 100%;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.benefits-list__item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 1rem;
    color: var(--color-light-gray);
}

.benefits-list__item i {
    color: var(--color-orange);
    font-size: 1.1rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

/* Guide Card Mockup */
.guide-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    max-width: 360px;
    width: 100%;
    border: 1px solid rgba(255, 165, 0, 0.15);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.guide-card__header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.guide-card__avatar {
    font-size: 2.8rem;
    color: var(--color-dark-gray);
    line-height: 1;
}

.guide-card__info {
    flex: 1;
}

.guide-card__name {
    font-size: 1.1rem;
    font-weight: var(--font-bold);
    color: var(--color-white);
}

.guide-card__location {
    font-size: 0.8rem;
    color: var(--color-gray);
}

.guide-card__location i {
    color: var(--color-light-orange);
    margin-right: 4px;
}

.guide-card__badge {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: 4px 12px;
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: var(--font-bold);
}

.guide-card__rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.stars {
    display: flex;
    gap: 2px;
    color: var(--color-orange);
    font-size: 0.9rem;
}

.guide-card__rating-text {
    font-size: 0.8rem;
    color: var(--color-gray);
}

.guide-card__skills {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.2rem;
}

.tag {
    background: rgba(255, 165, 0, 0.12);
    color: var(--color-light-orange);
    padding: 4px 12px;
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: var(--font-regular);
    border: 1px solid rgba(255, 165, 0, 0.2);
}

.guide-card__trail {
    background: rgba(255, 106, 0, 0.08);
    padding: 0.8rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
}

.guide-card__trail-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: var(--font-bold);
    font-size: 0.9rem;
    color: var(--color-white);
    margin-bottom: 0.4rem;
}

.guide-card__trail-header i {
    color: var(--color-orange);
}

.guide-card__trail-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--color-gray);
}

.difficulty--medium {
    color: var(--color-light-orange);
}

.guide-card__gpx i {
    color: var(--color-dark-orange);
    margin-right: 4px;
}

.guide-card__dates {
    margin-bottom: 1.2rem;
}

.guide-card__dates-label {
    font-size: 0.8rem;
    color: var(--color-gray);
    margin-bottom: 0.5rem;
}

.guide-card__date-chips {
    display: flex;
    gap: 0.5rem;
}

.date-chip {
    background: rgba(255, 165, 0, 0.1);
    border: 1px solid rgba(255, 165, 0, 0.25);
    color: var(--color-orange);
    padding: 4px 12px;
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: var(--font-bold);
}

/* ================================================
   WHATSAPP SECTION
   ================================================ */
.whatsapp {
    padding: var(--section-padding) 0;
    background: var(--color-bg);
}

.whatsapp__content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    align-items: center;
}

/* Chat Simulado */
.whatsapp__chat {
    width: 100%;
    max-width: 420px;
}

.chat {
    background: var(--color-whatsapp-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.chat__header {
    background: #1F2C34;
    padding: 0.8rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.chat__header-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--color-dark-gray);
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat__header-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.chat__header-info {
    display: flex;
    flex-direction: column;
}

.chat__header-name {
    font-size: 0.9rem;
    font-weight: var(--font-bold);
    color: var(--color-white);
}

.chat__header-status {
    font-size: 0.7rem;
    color: var(--color-whatsapp);
}

.chat__body {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    min-height: 380px;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.chat__bubble {
    max-width: 85%;
    padding: 0.6rem 0.8rem;
    border-radius: 8px;
    position: relative;
    font-size: 0.85rem;
    line-height: 1.5;
}

.chat__bubble--user {
    background: var(--color-whatsapp-bubble-user);
    align-self: flex-end;
    border-top-right-radius: 2px;
    color: var(--color-white);
}

.chat__bubble--bot {
    background: var(--color-whatsapp-bubble-bot);
    align-self: flex-start;
    border-top-left-radius: 2px;
    color: var(--color-light-gray);
}

.chat__time {
    display: block;
    text-align: right;
    font-size: 0.65rem;
    color: var(--color-dark-gray);
    margin-top: 4px;
}

.chat__filter {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.4rem 0.6rem;
    border-radius: 4px;
    margin: 0.4rem 0;
    font-size: 0.8rem;
}

.chat__result {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 0.6rem;
    border-radius: 6px;
    margin: 0.4rem 0;
    font-size: 0.8rem;
    border-left: 3px solid var(--color-whatsapp);
}

.chat__result p {
    margin-bottom: 2px;
}

/* Chat animation: bolhas invisíveis inicialmente */
.chat-msg {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.chat-msg.chat-visible {
    opacity: 1;
    transform: translateY(0);
}

/* WhatsApp features list */
.whatsapp__features {
    width: 100%;
}

.whatsapp__features-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.whatsapp__features-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.whatsapp__features-list li > i {
    font-size: 1.3rem;
    color: var(--color-whatsapp);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.whatsapp__features-list strong {
    display: block;
    font-size: 1rem;
    color: var(--color-white);
    margin-bottom: 0.2rem;
}

.whatsapp__features-list p {
    font-size: 0.9rem;
    color: var(--color-gray);
    font-weight: var(--font-light);
}

.whatsapp__powered {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.whatsapp__powered span:first-child {
    font-size: 0.8rem;
    color: var(--color-dark-gray);
}

.whatsapp__badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tech-badge {
    background: var(--color-bg-card);
    color: var(--color-gray);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: var(--font-bold);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ================================================
   AI GUIDE
   ================================================ */
.ai-guide {
    padding: var(--section-padding) 0;
    background: linear-gradient(180deg, #0D0D0D, #111118, #0D0D0D);
    position: relative;
    overflow: hidden;
}

.ai-guide::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 106, 0, 0.06), transparent 60%);
    pointer-events: none;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: var(--font-bold);
    margin-bottom: 1rem;
}

.badge--coming-soon {
    background: linear-gradient(135deg, var(--color-orange-red), var(--color-dark-orange));
    color: var(--color-white);
    animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 69, 36, 0.4); }
    50% { box-shadow: 0 0 20px 5px rgba(255, 69, 36, 0.15); }
}

.ai-guide__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.ai-card {
    /* Glassmorphism */
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.ai-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(255, 106, 0, 0.1);
    border-color: rgba(255, 165, 0, 0.2);
}

.ai-card__icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 106, 0, 0.2), rgba(255, 165, 0, 0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
    font-size: 1.3rem;
    color: var(--color-orange);
}

.ai-card__title {
    font-size: 1.1rem;
    font-weight: var(--font-bold);
    margin-bottom: 0.5rem;
}

.ai-card__text {
    font-size: 0.9rem;
    color: var(--color-gray);
    font-weight: var(--font-light);
    line-height: 1.6;
}

/* ================================================
   STATS
   ================================================ */
.stats {
    padding: var(--section-padding) 0;
    background: var(--color-bg-alt);
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat {
    padding: 1.5rem;
}

.stat__number {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: var(--font-bold);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat__suffix {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: var(--font-bold);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat__label {
    font-size: 0.9rem;
    color: var(--color-gray);
    margin-top: 0.5rem;
    font-weight: var(--font-light);
}

/* ================================================
   TESTIMONIALS
   ================================================ */
.testimonials {
    padding: var(--section-padding) 0;
    background: var(--color-bg);
}

.testimonials__carousel {
    position: relative;
    overflow: hidden;
}

.testimonials__track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial-card {
    min-width: 100%;
    padding: 0 1rem;
    box-sizing: border-box;
}

.testimonial-card > * {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    max-width: 600px;
    margin: 0 auto;
}

/* Fix: remove background from individual elements, apply to wrapper */
.testimonial-card {
    display: flex;
    justify-content: center;
}

.testimonial-card__inner {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    max-width: 600px;
    width: 100%;
}

.testimonial-card__stars {
    display: flex;
    gap: 3px;
    color: var(--color-orange);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    background: none;
    border: none;
    padding: 0;
    border-radius: 0;
    max-width: none;
}

.testimonial-card__text {
    font-size: 1.05rem;
    color: var(--color-light-gray);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-weight: var(--font-light);
    background: none;
    border: none;
    padding: 0;
    border-radius: 0;
    max-width: none;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: none;
    border: none;
    padding: 0;
    border-radius: 0;
    max-width: none;
}

.testimonial-card__avatar {
    font-size: 2.2rem;
    color: var(--color-dark-gray);
    line-height: 1;
}

.testimonial-card__author strong {
    display: block;
    font-size: 0.95rem;
    color: var(--color-white);
}

.testimonial-card__author span {
    font-size: 0.8rem;
    color: var(--color-gray);
}

/* Carousel Nav */
.testimonials__nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.testimonials__arrow {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast), border-color var(--transition-fast);
    cursor: pointer;
}

.testimonials__arrow:hover {
    background: rgba(255, 106, 0, 0.15);
    border-color: var(--color-orange);
    color: var(--color-orange);
}

.testimonials__dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-dark-gray);
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.dot--active {
    background: var(--color-orange);
    transform: scale(1.2);
}

/* ================================================
   CTA FINAL
   ================================================ */
.cta-final {
    padding: var(--section-padding) 0;
    background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg), rgba(255, 106, 0, 0.05));
    text-align: center;
}

.cta-final__content {
    max-width: 650px;
    margin: 0 auto;
}

.cta-final__title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: var(--font-bold);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.cta-final__subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-gray);
    margin-bottom: 2rem;
    font-weight: var(--font-light);
}

.cta-final__actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
    padding: 3rem 0 1.5rem;
    background: var(--color-bg-alt);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer__logo img {
    border-radius: 6px;
}

.footer__logo span {
    font-size: 1.2rem;
    font-weight: var(--font-bold);
    color: var(--color-orange);
}

.footer__description {
    font-size: 0.9rem;
    color: var(--color-gray);
    line-height: 1.6;
    margin-bottom: 1.2rem;
    font-weight: var(--font-light);
}

.footer__social {
    display: flex;
    gap: 1rem;
}

.footer__social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--color-bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
    font-size: 1rem;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.footer__social a:hover {
    background: var(--color-orange);
    color: var(--color-white);
    transform: scale(1.1);
}

.footer__col-title {
    font-size: 1rem;
    font-weight: var(--font-bold);
    color: var(--color-orange);
    margin-bottom: 1rem;
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer__links a {
    font-size: 0.9rem;
    color: var(--color-gray);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: var(--font-light);
}

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

.footer__links i {
    font-size: 0.85rem;
    width: 18px;
    text-align: center;
}

.footer__bottom {
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer__bottom p {
    font-size: 0.8rem;
    color: var(--color-dark-gray);
}

.footer__bottom a {
    color: var(--color-orange);
    font-weight: var(--font-bold);
}

.footer__bottom a:hover {
    text-decoration: underline;
}

/* ================================================
   RESPONSIVE BREAKPOINTS
   ================================================ */

/* >= 480px */
@media (min-width: 480px) {
    .hero__actions {
        flex-direction: row;
        justify-content: center;
    }

    .cta-final__actions {
        flex-direction: row;
        justify-content: center;
    }

    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ai-guide__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* >= 768px */
@media (min-width: 768px) {
    .header__nav {
        display: block;
    }

    .header__cta {
        display: inline-flex;
    }

    .header__hamburger {
        display: none;
    }

    .mobile-menu {
        display: none;
    }

    .hero__inner {
        flex-direction: row;
        text-align: left;
    }

    .hero__content {
        text-align: left;
        flex: 1;
    }

    .hero__subtitle {
        margin: 0 0 2rem;
    }

    .hero__actions {
        justify-content: flex-start;
    }

    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Steps horizontal */
    .steps {
        flex-direction: row;
        align-items: flex-start;
        justify-content: center;
    }

    .step__connector {
        width: 60px;
        height: 2px;
        margin-top: 2.5rem;
        background: linear-gradient(90deg, var(--color-dark-orange), transparent);
    }

    /* Guides two columns */
    .guides__content {
        flex-direction: row;
        align-items: flex-start;
    }

    .guides__benefits {
        flex: 1;
    }

    .guides__mockup {
        flex: 0 0 auto;
    }

    /* WhatsApp two columns */
    .whatsapp__content {
        flex-direction: row;
        align-items: flex-start;
    }

    .whatsapp__features {
        flex: 1;
    }

    /* Stats 4 cols */
    .stats__grid {
        grid-template-columns: repeat(4, 1fr);
    }

    /* Footer grid */
    .footer__grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

/* >= 1024px */
@media (min-width: 1024px) {
    .features__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .container {
        padding: 0 2rem;
    }

    .step {
        max-width: 300px;
    }
}

/* >= 1280px */
@media (min-width: 1280px) {
    .container {
        padding: 0 2.5rem;
    }

    .hero__title {
        font-size: 3.5rem;
    }
}