/* ============================================
   Reta Final ENAM 2026.1 - Design System
   Arquétipo: Poster / Editorial Premium
   Paleta: Elegant Gray, Midnight Blue, Gold
   Fontes: Playfair Display + Inter
   ============================================ */

/* ---- Variables ---- */
:root {
    --midnight: #0A1128;
    --midnight-rgb: 10, 17, 40;
    --gold: #D4AF37;
    --gold-dark: #B8860B;
    --gold-rgb: 212, 175, 55;
    --white: #FFFFFF;
    --gray-light: #F2F4F7;
    --gray-mid: #E8ECF1;
    --text-body: #4A5568;
    --text-dark: #0A1128;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --ease-out: cubic-bezier(0.165, 0.84, 0.44, 1);
    --radius-sm: 4px;
    --radius-md: 8px;
}

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

body {
    background-color: var(--gray-light);
    color: var(--text-dark);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ---- Utility ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { font-family: var(--font-heading); font-weight: 700; line-height: 1.15; }
.serif-italic { font-style: italic; font-family: var(--font-heading); }
.highlight-gold { color: var(--gold-dark); font-weight: 700; }

.section-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--gold-dark);
    font-weight: 700;
    margin-bottom: 16px;
}

/* ---- Buttons ---- */
.btn {
    display: inline-block;
    padding: 20px 44px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border: none;
    cursor: pointer;
    transition: all 0.4s var(--ease-out);
    text-align: center;
}

.btn--primary {
    background-color: var(--midnight);
    color: var(--white);
    box-shadow: 0 12px 30px rgba(var(--midnight-rgb), 0.25);
}
.btn--primary:hover {
    background-color: var(--gold);
    color: var(--midnight);
    transform: translateY(-4px);
    box-shadow: 0 18px 40px rgba(var(--gold-rgb), 0.35);
}
.btn--primary:focus-visible {
    outline: 3px solid var(--gold);
    outline-offset: 3px;
}

.btn--gold {
    background-color: var(--gold);
    color: var(--midnight);
    box-shadow: 0 12px 30px rgba(var(--gold-rgb), 0.25);
}
.btn--gold:hover {
    background-color: var(--midnight);
    color: var(--white);
    transform: translateY(-4px);
    box-shadow: 0 18px 40px rgba(var(--midnight-rgb), 0.35);
}

.btn--wide { width: 100%; max-width: 400px; }

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.4s var(--ease-out);
}

.header.is-scrolled {
    background: rgba(242, 244, 247, 0.95);
    backdrop-filter: blur(12px);
    padding: 14px 0;
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

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

.logo {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--midnight);
}

.logo__accent { color: var(--gold-dark); }

.header__cta {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--midnight);
    border: 1.5px solid var(--midnight);
    padding: 10px 24px;
    transition: all 0.3s var(--ease-out);
}
.header__cta:hover {
    background: var(--midnight);
    color: var(--white);
}

/* ============================================
   SEÇÃO 1: HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 100px;
    background-color: var(--gray-light);
}

.hero__label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--gold-dark);
    font-weight: 700;
    margin-bottom: 24px;
    display: block;
}

.hero__title {
    font-size: clamp(2.8rem, 7vw, 5.2rem);
    margin-bottom: 28px;
    max-width: 850px;
    color: var(--midnight);
}

.hero__desc {
    font-size: clamp(1.05rem, 1.8vw, 1.25rem);
    color: var(--text-body);
    max-width: 580px;
    margin-bottom: 48px;
}

/* ---- Countdown ---- */
.countdown {
    display: flex;
    gap: 16px;
    margin-bottom: 56px;
    flex-wrap: wrap;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--white);
    padding: 16px 20px 14px;
    border: 2px solid var(--gold);
    box-shadow: 0 8px 24px rgba(var(--gold-rgb), 0.12);
    min-width: 88px;
    border-radius: var(--radius-sm);
    transition: transform 0.3s var(--ease-out);
}
.countdown-item:hover { transform: translateY(-3px); }

.countdown-item--seconds { border-color: var(--gold-dark); }

.countdown__value {
    font-size: 2.8rem;
    font-family: var(--font-heading);
    color: var(--midnight);
    line-height: 1;
    font-weight: 700;
}

.countdown-item--seconds .countdown__value { color: var(--gold-dark); }

.countdown__label {
    font-size: 0.6rem;
    text-transform: uppercase;
    color: var(--gold-dark);
    letter-spacing: 0.18em;
    margin-top: 8px;
    font-weight: 800;
}

/* ============================================
   SEÇÃO 2: COMPARAÇÃO
   ============================================ */
.comparison {
    padding: 140px 0;
    background-color: var(--white);
    border-top: 1px solid var(--gray-mid);
}

.comparison__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: 1px solid var(--gray-mid);
}

.candidate-box { padding: 80px 60px; }

.candidate-box--a {
    background: var(--gray-light);
    border-right: 1px solid var(--gray-mid);
}
.candidate-box--b {
    background: var(--white);
    border-bottom: 3px solid var(--gold);
}

.candidate__label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-body);
    margin-bottom: 16px;
}

.candidate__name {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 32px;
    color: var(--midnight);
}
.candidate-box--b .candidate__name { color: var(--gold-dark); }

.candidate__list { list-style: none; }
.candidate__list li {
    margin-bottom: 18px;
    padding-left: 28px;
    position: relative;
    color: var(--text-body);
    font-size: 1.05rem;
}
.candidate__list li::before {
    content: "\2014";
    position: absolute;
    left: 0;
    color: var(--gold);
}
.candidate-box--b .candidate__list li { color: var(--text-dark); }

.comparison__footer {
    text-align: center;
    margin-top: 64px;
    font-size: 1.3rem;
    font-family: var(--font-heading);
    line-height: 1.4;
}

/* ============================================
   SEÇÃO 3: O MAIOR ERRO (Dark Spotlight)
   ============================================ */
.errors {
    padding: 140px 0;
    background-color: var(--midnight);
    color: var(--white);
    text-align: center;
}

.errors__container { max-width: 900px; margin: 0 auto; }

.errors__title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    margin-bottom: 64px;
    line-height: 1.15;
}

.error-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

.error-card {
    padding: 40px 32px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(var(--gold-rgb), 0.12);
    border-radius: var(--radius-sm);
    text-align: left;
    transition: all 0.4s var(--ease-out);
}
.error-card:hover {
    border-color: var(--gold);
    background: rgba(255,255,255,0.07);
    transform: translateY(-4px);
}

.error-card__num {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--gold);
    margin-bottom: 16px;
    font-style: italic;
}

.error-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--white);
}
.error-card p {
    font-size: 0.92rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.65;
}

.errors__impact {
    font-size: 1.4rem;
    font-family: var(--font-heading);
    line-height: 1.5;
    color: rgba(255,255,255,0.85);
}

/* ============================================
   SEÇÃO 4: MECANISMO IRD (Layered / Glass)
   ============================================ */
.mechanism {
    padding: 140px 0;
    background-color: var(--gray-light);
    overflow: hidden;
}

.mechanism__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.mechanism__content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
    color: var(--midnight);
}
.mechanism__content p {
    color: var(--text-body);
    font-size: 1.1rem;
}

.mechanism__card {
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(16px);
    padding: 48px;
    border: 1px solid rgba(var(--gold-rgb), 0.25);
    box-shadow: 0 30px 60px rgba(0,0,0,0.06);
    border-radius: var(--radius-md);
    position: relative;
}
.mechanism__card::before {
    content: "";
    position: absolute;
    top: -30px;
    right: -30px;
    width: 120px;
    height: 120px;
    background: var(--gold);
    opacity: 0.08;
    border-radius: 50%;
}

.mechanism__card-title {
    font-size: 1.15rem;
    color: var(--midnight);
    font-weight: 700;
    margin-bottom: 24px;
}

.mechanism__list {
    list-style: none;
}
.mechanism__list li {
    margin-bottom: 16px;
    padding-left: 20px;
    border-left: 2px solid var(--gold);
    font-size: 1.05rem;
    color: var(--text-dark);
    transition: padding-left 0.3s var(--ease-out);
}
.mechanism__list li:hover { padding-left: 28px; }

/* ============================================
   SEÇÃO 5: PILARES (Timeline)
   ============================================ */
.pillars {
    padding: 140px 0;
    background-color: var(--white);
}

.pillars__header {
    text-align: center;
    margin-bottom: 80px;
}
.pillars__header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--midnight);
}

.pillars__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.pillar-item {
    border-top: 2px solid var(--gray-mid);
    padding-top: 32px;
    transition: border-color 0.3s var(--ease-out);
}
.pillar-item:hover { border-color: var(--gold); }

.pillar-num {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--gold);
    font-weight: 700;
    line-height: 1;
    margin-bottom: 16px;
    display: block;
    opacity: 0.5;
}

.pillar-title {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--midnight);
}
.pillar-item p {
    color: var(--text-body);
    font-size: 0.95rem;
}

/* ============================================
   SEÇÃO 6: ENTREGÁVEIS
   ============================================ */
.deliverables {
    padding: 140px 0;
    background-color: var(--gray-light);
}

.deliverables__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.deliverables__text h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    color: var(--midnight);
}

.deliverables__list {
    list-style: none;
}
.deliverables__list li {
    padding: 20px 0;
    border-bottom: 1px solid var(--gray-mid);
    font-size: 1.05rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 16px;
}
.deliverables__list li::before {
    content: "\2713";
    color: var(--gold-dark);
    font-weight: 800;
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* ============================================
   SEÇÃO 7: AUTORIDADE
   ============================================ */
.authority {
    padding: 140px 0;
    background-color: var(--white);
}

.authority__container {
    max-width: 750px;
}

.authority h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--midnight);
    margin-bottom: 28px;
}

.authority p {
    color: var(--text-body);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

/* ============================================
   SEÇÃO 8: OFERTA (Poster Box / Passepartout)
   ============================================ */
.offer {
    padding: 140px 0;
    background-color: var(--gray-light);
}

.offer-box {
    background: var(--white);
    border: 1px solid var(--gray-mid);
    padding: 6px;
    max-width: 880px;
    margin: 0 auto;
    box-shadow: 0 40px 80px rgba(0,0,0,0.04);
}

.offer-inner {
    border: 1px solid var(--gray-mid);
    padding: 80px 60px;
    text-align: center;
}

.offer__title {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    margin-bottom: 12px;
    color: var(--midnight);
}

.offer__subtitle {
    color: var(--text-body);
    font-size: 1.05rem;
    margin-bottom: 40px;
}

.offer__includes {
    list-style: none;
    margin: 0 auto 48px;
    text-align: left;
    display: inline-block;
}
.offer__includes li {
    margin-bottom: 14px;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--text-dark);
}
.offer__includes li::before {
    content: "\2713";
    color: var(--gold-dark);
    font-weight: 800;
    flex-shrink: 0;
}

.offer__price { margin-bottom: 40px; }

.price-main {
    display: block;
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-family: var(--font-heading);
    color: var(--midnight);
    font-weight: 700;
    line-height: 1;
    margin: 8px 0;
}

.price-desc {
    font-size: 0.85rem;
    color: var(--text-body);
}

.offer__footer-note {
    margin-top: 32px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gold-dark);
    font-weight: 700;
}

/* ============================================
   SEÇÃO 9: CTA FINAL
   ============================================ */
.cta-final {
    padding: 140px 0;
    background-color: var(--midnight);
    color: var(--white);
    text-align: center;
}

.cta-final__container { max-width: 700px; margin: 0 auto; }

.cta-final h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 24px;
    color: var(--white);
}

.cta-final p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 48px;
}

.cta-final__note {
    display: block;
    margin-top: 24px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gold);
    font-weight: 700;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 80px 0 40px;
    background-color: var(--gray-light);
    border-top: 1px solid var(--gray-mid);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 48px;
}

.footer__logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--midnight);
}

.footer__brand p {
    color: var(--text-body);
    font-size: 0.9rem;
    max-width: 400px;
}

.footer__heading {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gold-dark);
    font-weight: 700;
    margin-bottom: 12px;
}

.footer__contact p {
    color: var(--text-body);
    font-size: 0.9rem;
}

.footer__copy {
    border-top: 1px solid var(--gray-mid);
    padding-top: 24px;
}
.footer__copy p {
    font-size: 0.8rem;
    color: var(--text-body);
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */

/* Tablet */
@media (max-width: 992px) {
    .comparison__grid { grid-template-columns: 1fr; }
    .candidate-box--a { border-right: none; border-bottom: 1px solid var(--gray-mid); }
    .candidate-box { padding: 60px 40px; }

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

    .mechanism__grid { grid-template-columns: 1fr; gap: 48px; }

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

    .deliverables__grid { grid-template-columns: 1fr; gap: 48px; }

    .offer-inner { padding: 60px 32px; }
    .price-main { font-size: 3rem; }

    .footer__grid { grid-template-columns: 1fr; gap: 40px; }
}

/* Mobile */
@media (max-width: 600px) {
    .hero { padding: 120px 0 80px; }
    .hero__title { font-size: 2.4rem; }

    .countdown-item { min-width: 72px; padding: 12px 14px 10px; }
    .countdown__value { font-size: 2rem; }

    .btn { padding: 18px 32px; font-size: 0.78rem; }

    .candidate-box { padding: 48px 24px; }
    .candidate__name { font-size: 2rem; }

    .errors { padding: 100px 0; }
    .errors__title { font-size: 1.8rem; }

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

    .header__cta { display: none; }

    .modal-content { padding: 48px 24px; margin: 16px; }
}

/* ============================================
   PRICE INSTALLMENT
   ============================================ */
.price-installment {
    display: block;
    font-size: 0.9rem;
    color: var(--text-body);
    font-weight: 500;
    margin-bottom: -4px;
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(10, 17, 40, 0.7);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s var(--ease-out);
}
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    padding: 56px 48px;
    max-width: 480px;
    width: 100%;
    position: relative;
    border-radius: var(--radius-md);
    box-shadow: 0 40px 80px rgba(0,0,0,0.15);
    transform: translateY(20px);
    transition: transform 0.4s var(--ease-out);
}
.modal-overlay.active .modal-content { transform: translateY(0); }

.modal-close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--text-body);
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}
.modal-close:hover { color: var(--midnight); }

.modal-header { margin-bottom: 32px; text-align: center; }

.modal-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--midnight);
    margin-bottom: 8px;
}

.modal-subtitle {
    font-size: 0.9rem;
    color: var(--text-body);
}

/* ---- Form ---- */
.form-group { margin-bottom: 20px; }

.form-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--midnight);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border: 1.5px solid var(--gray-mid);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-dark);
    background: var(--white);
    transition: border-color 0.25s;
    outline: none;
}
.form-input:focus { border-color: var(--gold); }
.form-input.error { border-color: #c0392b; }

/* intl-tel-input full width */
.iti { width: 100%; }

.form-feedback {
    font-size: 0.85rem;
    margin-bottom: 16px;
    min-height: 20px;
}
.form-feedback.error { color: #c0392b; }
.form-feedback.success { color: #27ae60; }