/* ===== Variables y Reset ===== */
:root {
    /* Paleta oficial Cowork Tecnológico */
    --azul-noche:       #0B1F33;
    --azul-acero:       #2B5278;
    --lima:             #B7FF3C;
    --blanco-calido:    #F5F7F2;
    --gris-apoyo:       #6B7785;
    --carbon:           #17212B;
    --blanco:           #FFFFFF;

    /* Aliases semánticos */
    --color-bg:         var(--blanco-calido);
    --color-surface:    var(--blanco);
    --color-text:       var(--carbon);
    --color-muted:      var(--gris-apoyo);
    --color-border:     #dde3e0;

    /* Gradientes */
    --gradient-tech:    linear-gradient(135deg, var(--azul-noche), var(--azul-acero));
    --gradient-eco:     linear-gradient(135deg, var(--azul-acero), var(--lima));
    --gradient-lima:    linear-gradient(135deg, #a8f530, var(--lima));

    /* Sombras */
    --shadow-sm:  0 1px 3px rgba(11, 31, 51, 0.08);
    --shadow-md:  0 4px 20px rgba(11, 31, 51, 0.10);
    --shadow-lg:  0 10px 40px rgba(11, 31, 51, 0.14);

    /* Radios */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

img  { max-width: 100%; height: auto; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }

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

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

.section__title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--color-text);
}

.section__subtitle {
    font-size: 1.125rem;
    color: var(--color-muted);
    max-width: 620px;
    margin: 0 auto;
}

/* Textos con gradiente */
.gradient-text {
    background: var(--gradient-eco);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ===== Botones ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    font-family: var(--font);
}

/* Lima sobre azul noche — CTA principal */
.btn--primary {
    background: var(--lima);
    color: var(--azul-noche);
    border-color: var(--lima);
}
.btn--primary:hover {
    background: #c9ff5a;
    border-color: #c9ff5a;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(183, 255, 60, 0.35);
}

/* Outline azul acero */
.btn--outline {
    background: transparent;
    color: var(--azul-acero);
    border-color: var(--azul-acero);
}
.btn--outline:hover {
    background: var(--azul-acero);
    color: var(--blanco);
    transform: translateY(-2px);
}

/* Outline blanco (sobre fondos oscuros) */
.btn--outline-white {
    background: transparent;
    color: var(--blanco);
    border-color: var(--blanco);
}
.btn--outline-white:hover {
    background: var(--blanco);
    color: var(--azul-noche);
    transform: translateY(-2px);
}

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

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(245, 247, 242, 0.96);
    backdrop-filter: blur(12px);
    transition: box-shadow var(--transition);
    border-bottom: 1px solid transparent;
}

.header--scrolled {
    box-shadow: var(--shadow-sm);
    border-bottom-color: var(--color-border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav__logo {
    display: flex;
    align-items: center;
}

.nav__logo img {
    height: 56px;
    width: auto;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav__link {
    font-size: 0.925rem;
    font-weight: 500;
    color: var(--carbon);
    transition: color var(--transition);
}

.nav__link:hover { color: var(--azul-acero); }

.nav__link--cta {
    background: var(--azul-noche);
    color: var(--lima);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.nav__link--cta:hover {
    background: var(--azul-acero);
    color: var(--lima);
}

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

.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--carbon);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    overflow: hidden;
    background: var(--azul-noche);
}

.hero__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 80% 20%, rgba(183, 255, 60, 0.10) 0%, transparent 55%),
        radial-gradient(ellipse at 20% 80%, rgba(43, 82, 120, 0.40) 0%, transparent 55%);
}

/* Patrón de puntos sutil */
.hero__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(183, 255, 60, 0.06) 1px, transparent 1px);
    background-size: 32px 32px;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
    padding-top: 40px;
    padding-bottom: 80px;
}

.hero__logo {
    margin-bottom: 32px;
}

.hero__logo img {
    height: 80px;
    width: auto;
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--blanco);
}

.hero__description {
    font-size: 1.15rem;
    color: rgba(245, 247, 242, 0.75);
    margin-bottom: 36px;
    max-width: 520px;
}

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

.hero__visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 20px 0 20px 40px;
}

.hero__card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(183, 255, 60, 0.2);
    padding: 20px 28px;
    border-radius: var(--radius-md);
    font-weight: 500;
    color: var(--blanco);
    backdrop-filter: blur(8px);
    animation: float 6s ease-in-out infinite;
}

.hero__card--1 { align-self: flex-start; animation-delay: 0s;  border-left: 3px solid var(--lima); }
.hero__card--2 { align-self: center;     animation-delay: 2s;  border-left: 3px solid var(--azul-acero); }
.hero__card--3 { align-self: flex-end;   animation-delay: 4s;  border-left: 3px solid var(--lima); }

.hero__card-icon { font-size: 1.75rem; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-10px); }
}

/* ===== Espacios ===== */
.spaces {
    padding: 100px 0;
    background: var(--color-bg);
}

.spaces__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.space-card {
    background: var(--color-surface);
    padding: 36px 28px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition);
    border: 1px solid var(--color-border);
}

.space-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--azul-acero);
}

.space-card__icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: block;
}

.space-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--azul-noche);
}

.space-card__description {
    color: var(--color-muted);
    font-size: 0.95rem;
}

/* ===== Sustentabilidad ===== */
.sustainability {
    padding: 100px 0;
    background: var(--azul-noche);
    position: relative;
    overflow: hidden;
}

.sustainability::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(183, 255, 60, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

.sustainability .section__title { color: var(--blanco); }
.sustainability .section__subtitle { color: rgba(245, 247, 242, 0.65); }

.sustainability__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: stretch;
    position: relative;
    z-index: 1;
}

.sustainability__main { display: flex; }
.sustainability__secondary { display: flex; flex-direction: column; gap: 20px; }

.sustainability__card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(183, 255, 60, 0.15);
    padding: 32px;
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    color: var(--blanco);
}

.sustainability__card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(183, 255, 60, 0.4);
    box-shadow: 0 8px 30px rgba(183, 255, 60, 0.10);
}

.sustainability__card--solar {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(183, 255, 60, 0.08);
    border: 2px solid rgba(183, 255, 60, 0.4);
}

.sustainability__card--solar h3 {
    font-size: 1.6rem;
    color: var(--lima);
}

.sustainability__card--solar p {
    font-size: 1.05rem;
    color: rgba(245, 247, 242, 0.8);
}

.sustainability__card-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.sustainability__card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--lima);
}

.sustainability__card p {
    color: rgba(245, 247, 242, 0.70);
    font-size: 0.95rem;
}

/* ===== Servicios ===== */
.services {
    padding: 100px 0;
    background: var(--color-bg);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.service-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    border-radius: var(--radius-md);
    transition: background var(--transition);
    border: 1px solid transparent;
}

.service-item:hover {
    background: var(--color-surface);
    border-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.service-item__icon { font-size: 2rem; flex-shrink: 0; }

.service-item__title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--azul-noche);
}

.service-item__text {
    color: var(--color-muted);
    font-size: 0.9rem;
}

/* ===== Pricing ===== */
.pricing {
    padding: 100px 0;
    background: var(--azul-acero);
}

.pricing .section__title  { color: var(--blanco); }
.pricing .section__subtitle { color: rgba(245, 247, 242, 0.70); }

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    align-items: stretch;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    flex-direction: column;
    transition: all var(--transition);
    position: relative;
    color: var(--blanco);
}

.pricing-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow-lg);
}

.pricing-card--featured {
    background: var(--lima);
    border-color: var(--lima);
    color: var(--azul-noche);
    transform: scale(1.03);
}

.pricing-card--featured:hover {
    transform: scale(1.03) translateY(-4px);
    box-shadow: 0 16px 50px rgba(183, 255, 60, 0.35);
}

.pricing-card--featured .pricing-card__name,
.pricing-card--featured .pricing-card__desc,
.pricing-card--featured .pricing-card__features li {
    color: var(--azul-noche);
}

.pricing-card--featured .pricing-card__features li {
    border-bottom-color: rgba(11, 31, 51, 0.15);
}

.pricing-card__badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--azul-noche);
    color: var(--lima);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 6px 20px;
    border-radius: 20px;
    white-space: nowrap;
}

.pricing-card__header {
    text-align: center;
    margin-bottom: 28px;
}

.pricing-card__name {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--blanco);
}

.pricing-card__desc {
    color: rgba(245, 247, 242, 0.65);
    font-size: 0.9rem;
}

.pricing-card__features {
    flex: 1;
    margin-bottom: 28px;
}

.pricing-card__features li {
    padding: 10px 0;
    font-size: 0.95rem;
    color: rgba(245, 247, 242, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.pricing-card__features li:last-child { border-bottom: none; }

/* Botones en cards no destacadas (fondo azul acero oscuro) */
.pricing-card:not(.pricing-card--featured) .btn--outline {
    color: var(--lima);
    border-color: var(--lima);
}
.pricing-card:not(.pricing-card--featured) .btn--outline:hover {
    background: var(--lima);
    color: var(--azul-noche);
    border-color: var(--lima);
}

/* Botón especial para card destacada */
.pricing-card--featured .btn--primary {
    background: var(--azul-noche);
    color: var(--lima);
    border-color: var(--azul-noche);
}
.pricing-card--featured .btn--primary:hover {
    background: var(--carbon);
    border-color: var(--carbon);
    box-shadow: 0 8px 25px rgba(11, 31, 51, 0.4);
}

/* ===== Contacto ===== */
.contact {
    padding: 100px 0;
    background: var(--color-bg);
}

.contact__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact__form { display: flex; flex-direction: column; gap: 20px; }

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--carbon);
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    font-family: var(--font);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--carbon);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input::placeholder { color: var(--gris-apoyo); }

.form-input:focus {
    outline: none;
    border-color: var(--azul-acero);
    box-shadow: 0 0 0 3px rgba(43, 82, 120, 0.12);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.contact__info { display: flex; flex-direction: column; gap: 28px; padding-top: 12px; }

.contact__info-item { display: flex; align-items: flex-start; gap: 16px; }

.contact__info-icon { font-size: 1.5rem; flex-shrink: 0; }

.contact__info-item strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 2px;
    color: var(--azul-noche);
}

.contact__info-item p { color: var(--color-muted); font-size: 0.9rem; }

/* ===== Footer ===== */
.footer {
    background: var(--carbon);
    padding: 48px 0 24px;
}

.footer__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__logo img {
    height: 40px;
    width: auto;
}

.footer__tagline {
    color: var(--gris-apoyo);
    margin-top: 8px;
    font-size: 0.9rem;
}

.footer__social { display: flex; gap: 16px; }

.footer__social-link {
    font-size: 1.5rem;
    transition: transform var(--transition);
    display: inline-flex;
}

.footer__social-link:hover { transform: scale(1.2); }

.footer__bottom { padding-top: 24px; text-align: center; }

.footer__bottom p { color: var(--gris-apoyo); font-size: 0.85rem; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero__container { grid-template-columns: 1fr; text-align: center; }
    .hero__description { margin-left: auto; margin-right: auto; }
    .hero__actions { justify-content: center; }
    .hero__logo { display: flex; justify-content: center; }
    .hero__visual { padding: 20px 0; align-items: center; }
    .hero__card--1, .hero__card--2, .hero__card--3 { align-self: center; }
    .sustainability__grid { grid-template-columns: 1fr; }
    .contact__wrapper { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--blanco);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 40px;
        box-shadow: var(--shadow-lg);
        transition: right var(--transition);
        z-index: 999;
    }

    .nav__menu--open { right: 0; }

    .nav__toggle {
        display: flex;
        z-index: 1001;
    }

    .nav__toggle--active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .nav__toggle--active span:nth-child(2) { opacity: 0; }
    .nav__toggle--active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .footer__content { flex-direction: column; gap: 24px; text-align: center; }

    .pricing-card--featured { transform: scale(1); }
    .pricing-card--featured:hover { transform: translateY(-4px); }

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