/* =============================================
   ADX GROUP – PROFESSIONAL HOMEPAGE STYLES
   ============================================= */

:root {
    --blue:      #4285f4;
    --green:     #34a853;
    --yellow:    #fbbc04;
    --red:       #ea4335;

    --bg:        #08101f;
    --bg2:       #0d1a2e;
    --card:      #111d30;
    --card2:     #162035;
    --border:    #1e2f47;
    --border2:   #243550;

    --text:      #e8edf5;
    --text2:     #8fa3be;
    --text3:     #5a7a9a;

    --radius:    12px;
    --radius-lg: 20px;
    --shadow:    0 4px 24px rgba(0,0,0,.45);
    --shadow-lg: 0 8px 48px rgba(0,0,0,.6);

    --trans:     .25s ease;
}

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

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

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

ul { list-style: none; }

::selection { background: var(--blue); color: #fff; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    line-height: 1.2;
    color: #fff;
}

.highlight-blue { color: var(--blue); }
.highlight-green { color: var(--green); }
.highlight-yellow { color: var(--yellow); }

/* ---- CONTAINER ---- */
.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- SECTIONS ---- */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    margin: 12px 0;
}

.section-header p {
    color: var(--text2);
    font-size: .95rem;
    max-width: 560px;
    margin: 0 auto;
}

.section-tag {
    display: inline-block;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--blue);
    background: rgba(66,133,244,.12);
    padding: 5px 14px;
    border-radius: 50px;
    border: 1px solid rgba(66,133,244,.25);
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    transition: background .35s, box-shadow .35s;
    padding: 0 24px;
}

.navbar.scrolled {
    background: rgba(8,16,31,.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 var(--border);
}

.nav-container {
    max-width: 1160px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 84px;
}

.nav-logo img {
    height: 68px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a {
    font-size: .88rem;
    font-weight: 500;
    color: var(--text2);
}

.nav-links a:hover { color: #fff; }

.btn-nav-cta {
    background: var(--blue) !important;
    color: #fff !important;
    padding: 9px 22px;
    border-radius: 8px;
    font-weight: 600 !important;
    font-size: .85rem !important;
}

.btn-nav-cta:hover {
    background: #5a9bff !important;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--trans);
}

/* =============================================
   HERO
   ============================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 120px 24px 80px;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(66,133,244,.2) 0%, transparent 70%),
        radial-gradient(ellipse 50% 40% at 80% 80%, rgba(52,168,83,.12) 0%, transparent 60%),
        var(--bg);
}

.hero-particles {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle, rgba(66,133,244,.15) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 820px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--yellow);
    background: rgba(251,188,4,.1);
    border: 1px solid rgba(251,188,4,.25);
    padding: 7px 18px;
    border-radius: 50px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    line-height: 1.1;
    margin-bottom: 20px;
    color: #fff;
}

.hero-subtitle {
    font-size: clamp(.95rem, 1.8vw, 1.12rem);
    color: var(--text2);
    max-width: 580px;
    margin: 0 auto 40px;
    font-weight: 300;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    margin-bottom: 40px;
    padding: 24px 32px;
    background: rgba(255,255,255,.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: inline-flex;
}

.stat-item { text-align: center; }

.stat-num {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}

.stat-plus { color: var(--blue); }

.stat-lbl {
    display: block;
    font-size: .72rem;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    background: var(--blue);
    color: #fff;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: .95rem;
    box-shadow: 0 4px 20px rgba(66,133,244,.4);
    transition: var(--trans);
}

.btn-primary:hover {
    background: #5a9bff;
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(66,133,244,.55);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--text2);
    border: 1px solid var(--border2);
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: .95rem;
}

.btn-ghost:hover { color: #fff; border-color: var(--text2); }

.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-dot {
    width: 6px;
    height: 6px;
    background: var(--blue);
    border-radius: 50%;
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: .4; }
}

/* =============================================
   ABOUT
   ============================================= */
.about { background: var(--bg2); }

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.about-text p {
    color: var(--text2);
    margin-bottom: 16px;
}

.about-text strong { color: #fff; }

.about-list {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text2);
    font-size: .92rem;
}

.about-list i { color: var(--green); font-size: 1rem; flex-shrink: 0; }

.about-platforms {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.platform-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 24px 16px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: .82rem;
    font-weight: 500;
    color: var(--text2);
    transition: var(--trans);
    cursor: default;
}

.platform-card i { font-size: 1.6rem; }

.platform-card:hover { border-color: var(--border2); transform: translateY(-3px); }

.platform-card.yt i { color: #ff0000; }
.platform-card.tt i { color: #fff; }
.platform-card.ig i { color: #e1306c; }
.platform-card.fb i { color: #1877f2; }
.platform-card.tw i { color: #9146ff; }
.platform-card.ot i { color: var(--yellow); }

/* =============================================
   REQUIREMENTS
   ============================================= */
.requirements { background: var(--bg); }

.req-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.req-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    position: relative;
    overflow: hidden;
    transition: var(--trans);
}

.req-card::before {
    content: attr(data-num);
    position: absolute;
    top: 16px;
    right: 20px;
    font-family: 'Montserrat', sans-serif;
    font-size: 2.8rem;
    font-weight: 900;
    color: rgba(255,255,255,.04);
    line-height: 1;
}

.req-card:hover {
    border-color: var(--blue);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(66,133,244,.15);
}

.req-icon {
    width: 52px;
    height: 52px;
    background: rgba(66,133,244,.12);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.3rem;
    color: var(--blue);
}

.req-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}

.req-card p {
    font-size: .85rem;
    color: var(--text3);
    line-height: 1.65;
}

/* =============================================
   BENEFITS
   ============================================= */
.benefits { background: var(--bg2); }

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.benefit-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: var(--trans);
}

.benefit-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.benefit-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.benefit-icon.blue  { background: rgba(66,133,244,.15); color: var(--blue); }
.benefit-icon.green { background: rgba(52,168,83,.15);  color: var(--green); }
.benefit-icon.yellow{ background: rgba(251,188,4,.15);  color: var(--yellow); }

.benefit-card h3 {
    font-size: .95rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.benefit-card p {
    font-size: .84rem;
    color: var(--text3);
    line-height: 1.65;
}

/* =============================================
   APPLICATION FORM
   ============================================= */
.application { background: var(--bg); }

.form-wrapper {
    max-width: 760px;
    margin: 0 auto;
}

/* Progress bar */
.progress-bar-wrap {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin-bottom: 32px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--blue), var(--green));
    border-radius: 2px;
    transition: width .4s ease;
    width: 25%;
}

/* Steps indicator */
.progress-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    margin-bottom: 48px;
    position: relative;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
    position: relative;
}

.step-item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 19px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: var(--border);
    z-index: 0;
}

.step-item.completed:not(:last-child)::after { background: var(--blue); }

.step-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: .9rem;
    color: var(--text3);
    position: relative;
    z-index: 1;
    transition: var(--trans);
}

.step-circle i { display: none; }

.step-item.active .step-circle {
    background: var(--blue);
    border-color: var(--blue);
    color: #fff;
    box-shadow: 0 0 0 4px rgba(66,133,244,.2);
}

.step-item.completed .step-circle {
    background: var(--green);
    border-color: var(--green);
    color: #fff;
}

.step-item.completed .step-circle span { display: none; }
.step-item.completed .step-circle i { display: block; font-size: .8rem; }

.step-label {
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text3);
    transition: var(--trans);
}

.step-item.active .step-label { color: var(--blue); }
.step-item.completed .step-label { color: var(--green); }

/* Form steps */
.form-step {
    display: none;
    animation: fadeSlideIn .35s ease;
}

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

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

.step-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--card2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 28px;
}

.step-header > i {
    font-size: 1.5rem;
    color: var(--blue);
    flex-shrink: 0;
}

.step-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.step-header p {
    font-size: .82rem;
    color: var(--text3);
}

/* Form grid */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full { grid-column: 1 / -1; margin-bottom: 20px; }

label {
    font-size: .82rem;
    font-weight: 600;
    color: var(--text2);
    display: flex;
    align-items: center;
    gap: 6px;
}

.req { color: var(--blue); font-weight: 700; }

.field-hint {
    font-size: .73rem;
    color: var(--text3);
    font-weight: 400;
    margin-left: 4px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
select,
textarea {
    background: var(--card2);
    border: 1px solid var(--border2);
    color: var(--text);
    padding: 11px 14px;
    border-radius: var(--radius);
    font-family: 'Poppins', sans-serif;
    font-size: .88rem;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    width: 100%;
}

input::placeholder,
textarea::placeholder { color: var(--text3); }

input:focus,
select:focus,
textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(66,133,244,.15);
}

select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235a7a9a' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

select option { background: var(--card); }

textarea { resize: vertical; min-height: 110px; }

.err-msg {
    font-size: .75rem;
    color: #ef4444;
    min-height: 16px;
    display: block;
}

input.error, select.error, textarea.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239,68,68,.12);
}

/* Platform selector */
.platform-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
}

.plat-opt { cursor: pointer; }

.plat-opt input { display: none; }

.plat-card {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--card2);
    border: 2px solid var(--border2);
    border-radius: var(--radius);
    font-size: .85rem;
    font-weight: 500;
    color: var(--text2);
    transition: var(--trans);
    user-select: none;
}

.plat-opt input:checked + .plat-card {
    border-color: var(--blue);
    background: rgba(66,133,244,.1);
    color: #fff;
}

.plat-card i { font-size: 1rem; }

/* Radio group */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 6px;
}

.radio-opt {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: .87rem;
    color: var(--text2);
}

.radio-opt input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--blue);
    flex-shrink: 0;
    cursor: pointer;
}

.radio-opt:hover { color: #fff; }

/* Review box */
.review-box {
    background: var(--card2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 24px;
}

.review-section {
    margin-bottom: 24px;
}

.review-section:last-child { margin-bottom: 0; }

.review-section-title {
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--blue);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.review-row {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 8px 16px;
    padding: 6px 0;
    font-size: .86rem;
}

.review-label { color: var(--text3); font-weight: 500; }

.review-value { color: var(--text); word-break: break-word; }

/* Terms checkbox */
.terms-group { margin-bottom: 24px; }

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: .85rem;
    color: var(--text2);
}

.checkbox-label input { display: none; }

.checkbox-custom {
    width: 20px;
    height: 20px;
    min-width: 20px;
    border: 2px solid var(--border2);
    border-radius: 5px;
    background: var(--card2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--trans);
    margin-top: 1px;
}

.checkbox-label input:checked ~ .checkbox-custom {
    background: var(--blue);
    border-color: var(--blue);
}

.checkbox-custom::after {
    content: '';
    width: 5px;
    height: 9px;
    border: 2px solid #fff;
    border-top: none;
    border-left: none;
    transform: rotate(45deg) translateY(-2px);
    display: none;
}

.checkbox-label input:checked ~ .checkbox-custom::after { display: block; }

/* Form navigation */
.form-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.btn-prev,
.btn-next,
.btn-submit {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-family: 'Poppins', sans-serif;
    font-size: .9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--trans);
}

.btn-prev {
    background: transparent;
    color: var(--text2);
    border: 1px solid var(--border2);
}

.btn-prev:hover { color: #fff; border-color: var(--text2); }

.btn-next {
    background: var(--blue);
    color: #fff;
    box-shadow: 0 4px 16px rgba(66,133,244,.35);
}

.btn-next:hover {
    background: #5a9bff;
    transform: translateY(-1px);
}

.btn-submit {
    background: linear-gradient(135deg, var(--green), #2ecc71);
    color: #fff;
    box-shadow: 0 4px 20px rgba(52,168,83,.4);
    padding: 14px 36px;
    font-size: .95rem;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(52,168,83,.55);
}

.btn-submit:disabled {
    opacity: .6;
    cursor: not-allowed;
    transform: none;
}

/* Success screen */
.success-screen {
    display: none;
    text-align: center;
    padding: 60px 24px;
    animation: fadeSlideIn .5s ease;
}

.success-anim {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 28px;
}

.success-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 3px solid var(--green);
    animation: ringPulse 1.5s ease-out forwards;
}

@keyframes ringPulse {
    0%   { transform: scale(.5); opacity: 1; }
    100% { transform: scale(1.2); opacity: 0; }
}

.success-check {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--green);
    border: 3px solid var(--green);
    border-radius: 50%;
}

.success-screen h3 {
    font-size: 1.6rem;
    margin-bottom: 16px;
}

.success-screen p {
    color: var(--text2);
    font-size: .9rem;
    max-width: 500px;
    margin: 0 auto 12px;
}

.success-note { margin-top: 20px !important; }

.btn-whatsapp-big {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #25D366;
    color: #fff;
    padding: 16px 36px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 1rem;
    margin-top: 20px;
    box-shadow: 0 4px 20px rgba(37,211,102,.4);
    transition: var(--trans);
}

.btn-whatsapp-big i { font-size: 1.4rem; }

.btn-whatsapp-big:hover {
    background: #1ebe5e;
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(37,211,102,.5);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: #050b16;
    border-top: 1px solid var(--border);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-brand img {
    height: 68px;
    object-fit: contain;
    margin-bottom: 14px;
    border-radius: 8px;
}

.footer-brand p {
    font-size: .84rem;
    color: var(--text3);
    line-height: 1.65;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text3);
    font-size: .9rem;
    transition: var(--trans);
}

.footer-social a:hover {
    color: #fff;
    border-color: var(--blue);
    background: rgba(66,133,244,.1);
}

.footer-links h4,
.footer-contact h4 {
    font-size: .82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--text2);
    margin-bottom: 16px;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: .85rem;
    color: var(--text3);
}

.footer-links a:hover { color: #fff; }

.footer-wa-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(37,211,102,.1);
    border: 1px solid rgba(37,211,102,.25);
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    transition: var(--trans);
}

.footer-wa-btn:hover {
    background: rgba(37,211,102,.18);
}

.footer-wa-btn > i {
    font-size: 1.8rem;
    color: #25D366;
}

.footer-wa-btn span {
    display: block;
    font-size: .9rem;
    font-weight: 600;
    color: #fff;
}

.footer-wa-btn small {
    font-size: .73rem;
    color: var(--text3);
}

.footer-info {
    font-size: .78rem;
    color: var(--text3);
    line-height: 1.7;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: .78rem;
    color: var(--text3);
}

/* =============================================
   FLOATING WHATSAPP BUTTON
   ============================================= */
.wa-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #fff;
    box-shadow: 0 4px 20px rgba(37,211,102,.5);
    transition: var(--trans);
}

.wa-float:hover {
    transform: scale(1.12);
    box-shadow: 0 6px 32px rgba(37,211,102,.65);
}

.wa-tooltip {
    position: absolute;
    right: 70px;
    background: #111827;
    color: #fff;
    font-size: .78rem;
    font-weight: 600;
    white-space: nowrap;
    padding: 6px 12px;
    border-radius: 8px;
    pointer-events: none;
    opacity: 0;
    transform: translateX(8px);
    transition: var(--trans);
}

.wa-float:hover .wa-tooltip {
    opacity: 1;
    transform: translateX(0);
}

/* Pulse animation */
.wa-float::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid #25D366;
    animation: waPulse 2.5s ease-out infinite;
}

@keyframes waPulse {
    0%   { transform: scale(1);   opacity: .6; }
    100% { transform: scale(1.6); opacity: 0; }
}

/* =============================================
   SCROLL REVEAL ANIMATIONS
   ============================================= */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity .65s ease, transform .65s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =============================================
   RESPONSIVE – TABLET (≤900px)
   ============================================= */
@media (max-width: 900px) {
    .about-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* =============================================
   RESPONSIVE – MOBILE (≤640px)
   ============================================= */
@media (max-width: 640px) {
    .section { padding: 72px 0; }

    /* Nav */
    .nav-links {
        position: fixed;
        top: 84px; left: 0; right: 0;
        background: rgba(8,16,31,.97);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-top: 1px solid var(--border);
        transform: translateY(-110%);
        transition: transform .35s ease;
        z-index: 999;
    }

    .nav-links.open { transform: translateY(0); }

    .nav-links a { font-size: 1rem; }

    .nav-toggle { display: flex; }

    /* Hero */
    .hero-stats {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }

    .stat-divider { width: 40px; height: 1px; }

    /* Requirements */
    .req-grid { grid-template-columns: 1fr; }

    /* Benefits */
    .benefits-grid { grid-template-columns: 1fr; }

    /* Form */
    .form-grid { grid-template-columns: 1fr; }

    .progress-steps { gap: 4px; }

    .step-label { font-size: .62rem; }

    .platform-selector { gap: 8px; }

    .plat-card { padding: 8px 12px; font-size: .78rem; }

    .review-row { grid-template-columns: 1fr; gap: 2px; }

    .review-label { color: var(--blue); font-size: .75rem; }

    /* Footer */
    .footer-grid { grid-template-columns: 1fr; gap: 36px; }
}