/* ========================================
   WASO — Landing Page Styles
   Brand Colors: #3a9ed8 #386bee #9556eb #000 #fff #b0b0b0
   Typography: Telegraf → Inter (web fallback)
   ======================================== */

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

:root {
    --blue: #3a9ed8;
    --blue-deep: #386bee;
    --purple: #9556eb;
    --black: #000000;
    --white: #ffffff;
    --gray: #b0b0b0;
    --dark: #0a0a0a;
    --dark-card: #111111;
    --dark-border: #1a1a1a;
    --gradient: linear-gradient(135deg, var(--blue) 0%, var(--purple) 100%);
    --gradient-text: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 40%, var(--purple) 100%);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- GRADIENT TEXT --- */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- SECTION COMMON --- */
.section-tag {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--blue);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 56px;
    max-width: 700px;
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn--primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 4px 24px rgba(58, 158, 216, 0.25);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(58, 158, 216, 0.35);
}

.btn--ghost {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn--ghost:hover {
    border-color: var(--blue);
    color: var(--blue);
}

.btn--sm {
    padding: 10px 24px;
    font-size: 0.85rem;
}

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

/* --- NAV --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition);
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav__links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav__links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray);
    transition: color var(--transition);
}

.nav__links a:hover {
    color: var(--white);
}

.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(--white);
    border-radius: 2px;
    transition: var(--transition);
}

/* --- HERO --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 80px;
    overflow: hidden;
}

.hero__tag {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--blue);
    margin-bottom: 24px;
}

.hero__title {
    font-size: clamp(2.5rem, 5.5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.08;
    margin-bottom: 24px;
    max-width: 800px;
}

.hero__sub {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: var(--gray);
    max-width: 560px;
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero__proof {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
}

.hero__stat {
    display: flex;
    flex-direction: column;
}

.hero__stat-number,
.hero__stat-suffix {
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__stat-label {
    font-size: 0.82rem;
    color: var(--gray);
    margin-top: 4px;
}

.hero__glow {
    position: absolute;
    top: -200px;
    right: -200px;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(56, 107, 238, 0.12) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* --- PAIN --- */
.pain {
    padding: 100px 0;
    background: var(--dark);
    border-top: 1px solid var(--dark-border);
    border-bottom: 1px solid var(--dark-border);
}

.pain__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.pain__item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--dark-border);
}

.pain__icon {
    color: #e74c3c;
    font-size: 1.1rem;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

.pain__item p {
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.5;
}

.pain__cta {
    text-align: center;
    font-size: 1.15rem;
    color: var(--white);
}

.pain__cta strong {
    color: var(--blue);
}

/* --- SERVICIOS --- */
.servicios {
    padding: 120px 0;
}

.servicios__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.card {
    padding: 36px;
    border-radius: 16px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient);
    opacity: 0;
    transition: opacity var(--transition);
}

.card:hover {
    border-color: rgba(58, 158, 216, 0.2);
    transform: translateY(-4px);
}

.card:hover::before {
    opacity: 1;
}

.card__icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: rgba(58, 158, 216, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--blue);
}

.card__title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.card__desc {
    font-size: 0.92rem;
    color: var(--gray);
    line-height: 1.65;
}

/* --- MÉTODO --- */
.metodo {
    padding: 120px 0;
    background: var(--dark);
    border-top: 1px solid var(--dark-border);
    border-bottom: 1px solid var(--dark-border);
}

.metodo__steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
}

.step {
    padding: 36px;
    border-radius: 16px;
    background: var(--black);
    border: 1px solid var(--dark-border);
    position: relative;
    transition: all var(--transition);
}

.step:hover {
    border-color: rgba(58, 158, 216, 0.2);
}

.step__number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
    display: block;
}

.step__title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.step__desc {
    font-size: 0.92rem;
    color: var(--gray);
    line-height: 1.65;
}

/* --- RESULTADOS --- */
.resultados {
    padding: 120px 0;
}

.resultados__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
}

.resultado {
    text-align: center;
    padding: 40px 24px;
    border-radius: 16px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
}

.resultado__number,
.resultado__suffix {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.resultado__label {
    font-size: 0.9rem;
    color: var(--gray);
    margin-top: 12px;
    line-height: 1.5;
}

/* --- TESTIMONIOS --- */
.testimonios {
    padding: 120px 0;
    background: var(--dark);
    border-top: 1px solid var(--dark-border);
    border-bottom: 1px solid var(--dark-border);
}

.testimonios__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.testimonio {
    padding: 36px;
    border-radius: 16px;
    background: var(--black);
    border: 1px solid var(--dark-border);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonio__text {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonio__author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.testimonio__avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.testimonio__author strong {
    display: block;
    font-size: 0.9rem;
}

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

/* --- CONTACTO --- */
.contacto {
    padding: 120px 0;
}

.contacto__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.contacto__title {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}

.contacto__desc {
    font-size: 1.05rem;
    color: var(--gray);
    margin-bottom: 32px;
    line-height: 1.7;
}

.contacto__checklist {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contacto__checklist li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
}

.contacto__form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 40px;
    border-radius: 20px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
}

.contacto__form input,
.contacto__form select {
    font-family: var(--font);
    font-size: 0.95rem;
    padding: 14px 18px;
    border-radius: 10px;
    border: 1px solid var(--dark-border);
    background: var(--black);
    color: var(--white);
    outline: none;
    transition: border-color var(--transition);
    -webkit-appearance: none;
}

.contacto__form input::placeholder {
    color: #555;
}

.contacto__form select {
    color: #555;
}

.contacto__form select option {
    background: var(--dark-card);
    color: var(--white);
}

.contacto__form input:focus,
.contacto__form select:focus {
    border-color: var(--blue);
}

.contacto__legal {
    font-size: 0.78rem;
    color: #555;
    text-align: center;
}

/* --- FOOTER --- */
.footer {
    padding: 64px 0 32px;
    border-top: 1px solid var(--dark-border);
}

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

.footer__logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    margin-bottom: 12px;
}

.footer__brand p {
    font-size: 0.9rem;
    color: var(--gray);
    max-width: 300px;
}

.footer__col h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--white);
    margin-bottom: 16px;
}

.footer__col a {
    display: block;
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 10px;
    transition: color var(--transition);
}

.footer__col a:hover {
    color: var(--blue);
}

.footer__bottom {
    padding-top: 32px;
    border-top: 1px solid var(--dark-border);
}

.footer__bottom p {
    font-size: 0.82rem;
    color: #444;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .nav__links {
        display: none;
    }

    .nav .btn--sm {
        display: none;
    }

    .nav__toggle {
        display: flex;
    }

    .hero {
        padding: 120px 0 60px;
        min-height: auto;
    }

    .hero__proof {
        gap: 32px;
    }

    .servicios__grid,
    .testimonios__grid {
        grid-template-columns: 1fr;
    }

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

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

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

@media (max-width: 480px) {
    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        width: 100%;
        text-align: center;
    }

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

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

/* --- ANIMATIONS --- */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}