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

html {
    scroll-behavior: smooth;
}

/* ===========================
   VARIABLES
=========================== */
:root {
    --verde-oscuro:  #1b4332;
    --verde-medio:   #2d6a4f;
    --verde-claro:   #40916c;
    --verde-palido:  #d8f3dc;
    --blanco:        #ffffff;
    --gris-50:       #f8f9fa;
    --gris-200:      #e9ecef;
    --gris-500:      #6c757d;
    --negro:         #1a1a1a;
    --ancho-max:     1100px;
    --padding-sec:   100px;
}

/* ===========================
   BASE
=========================== */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--negro);
    background: var(--blanco);
}

/* ===========================
   LAYOUT
=========================== */
.container {
    max-width: var(--ancho-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: var(--padding-sec) 0;
}

.section--gray {
    background: var(--gris-50);
}

.section--dark {
    background: var(--verde-oscuro);
    color: var(--blanco);
}

/* ===========================
   CABECERAS DE SECCIÓN
=========================== */
.section__header {
    max-width: 600px;
    margin-bottom: 64px;
}

.section__label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--verde-claro);
    margin-bottom: 12px;
}

.section__header h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section__header p {
    font-size: 18px;
    color: var(--gris-500);
    line-height: 1.7;
}

/* ===========================
   NAVEGACIÓN
=========================== */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--gris-200);
}

.nav__inner {
    max-width: var(--ancho-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    font-weight: 700;
    font-size: 16px;
    color: var(--verde-oscuro);
    letter-spacing: -0.02em;
}

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

.nav__links a {
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--gris-500);
    transition: color 0.2s;
}

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

.nav__cta {
    background: var(--verde-oscuro);
    color: var(--blanco) !important;
    padding: 8px 18px;
    border-radius: 6px;
}

.nav__cta:hover {
    background: var(--verde-medio) !important;
}

/* ===========================
   HERO
=========================== */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 80px 0;
    background-image: radial-gradient(var(--verde-palido) 1.5px, transparent 1.5px);
    background-size: 28px 28px;
    background-position: 0 0;
}

.hero__inner {
    max-width: var(--ancho-max);
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 420px;
    align-items: center;
    gap: 72px;
}

/* Animación de entrada del hero */
@keyframes heroIn {
    from {
        opacity: 0;
        transform: translateY(28px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero__word {
    display: inline-block;
}

.hero__anim {
    opacity: 0;
    animation: heroIn 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero__anim--1 { animation-delay: 0.1s; }
.hero__anim--2 { animation-delay: 0.3s; }
.hero__anim--3 { animation-delay: 0.55s; }
.hero__anim--4 { animation-delay: 0.8s; }
.hero__anim--5 { animation-delay: 1.05s; }
.hero__anim--6 { animation-delay: 1.25s; }

.hero__eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--verde-claro);
    margin-bottom: 28px;
    border-left: 3px solid var(--verde-claro);
    padding-left: 12px;
}

.hero__title {
    font-size: clamp(44px, 6.5vw, 80px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--negro);
    margin-bottom: 28px;
}

.hero__subtitle {
    font-size: clamp(16px, 2vw, 19px);
    line-height: 1.75;
    color: var(--gris-500);
    max-width: 520px;
    margin-bottom: 44px;
}

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

/* Foto del hero */
.hero__photo {
    position: relative;
}

.hero__img {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: center top;
    border-radius: 20px;
    display: block;
    box-shadow: 0 24px 64px rgba(27, 67, 50, 0.15);
}

/* Mientras no haya foto: placeholder */
.hero__img[src="roberto.jpg"]:not([complete]) {
    background: var(--gris-50);
    min-height: 500px;
}

/* ===========================
   BOTONES
=========================== */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.btn--primary {
    background: var(--verde-oscuro);
    color: var(--blanco);
}

.btn--primary:hover {
    background: var(--verde-medio);
}

.btn--secondary {
    background: transparent;
    color: var(--verde-oscuro);
    border: 2px solid var(--verde-oscuro);
}

.btn--secondary:hover {
    background: var(--verde-oscuro);
    color: var(--blanco);
}

/* ===========================
   LÍNEA DE TIEMPO
=========================== */
.timeline {
    position: relative;
    padding-left: 48px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--gris-200);
}

.timeline__item {
    position: relative;
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 32px;
    padding-bottom: 52px;
}

.timeline__item:last-child {
    padding-bottom: 0;
}

.timeline__item::before {
    content: '';
    position: absolute;
    left: -44px;
    top: 7px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gris-200);
    border: 2px solid var(--blanco);
}

.timeline__item--current::before {
    background: var(--verde-claro);
    width: 14px;
    height: 14px;
    left: -46px;
    top: 5px;
}

.timeline__year {
    font-size: 13px;
    font-weight: 700;
    color: var(--verde-claro);
    padding-top: 3px;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.timeline__content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline__content p {
    font-size: 15px;
    color: var(--gris-500);
    line-height: 1.75;
}

/* Foto dentro del timeline */
.timeline__foto {
    margin-top: 20px;
}

.timeline__img {
    width: 100%;
    max-width: 480px;
    border-radius: 12px;
    display: block;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.timeline__foto-caption {
    display: block;
    margin-top: 8px;
    font-size: 13px;
    color: var(--gris-500);
    font-style: italic;
}

/* ===========================
   TARJETAS DE MARCAS (3 columnas)
=========================== */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.card {
    background: var(--blanco);
    border: 1px solid var(--gris-200);
    border-radius: 14px;
    padding: 32px;
}

.card--featured {
    border-color: var(--verde-claro);
    background: linear-gradient(135deg, #f0faf4 0%, var(--blanco) 60%);
}

.card--future {
    border-style: dashed;
    border-color: var(--gris-200);
    background: var(--gris-50);
}

.card__badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--verde-claro);
    background: var(--verde-palido);
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.card__badge--future {
    color: var(--gris-500);
    background: var(--gris-200);
}

.card__title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.card__text {
    font-size: 14px;
    color: var(--gris-500);
    line-height: 1.75;
    margin-bottom: 24px;
}

.card--future .card__text {
    margin-bottom: 0;
}

.card__link {
    font-size: 14px;
    font-weight: 600;
    color: var(--verde-claro);
    text-decoration: none;
    transition: color 0.2s;
}

.card__link:hover {
    color: var(--verde-oscuro);
}

/* ===========================
   SERVICIOS
=========================== */
.services {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
}

.service__number {
    font-size: 52px;
    font-weight: 800;
    color: var(--verde-palido);
    line-height: 1;
    margin-bottom: 16px;
    letter-spacing: -0.04em;
}

.service h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.service p {
    font-size: 15px;
    color: var(--gris-500);
    line-height: 1.75;
}

/* ===========================
   MANIFIESTO
=========================== */
.manifiesto {
    background: var(--negro);
    padding: var(--padding-sec) 0;
}

.manifiesto__inner {
    max-width: 800px;
}

.manifiesto__label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--verde-claro);
    margin-bottom: 32px;
}

.manifiesto__titulo {
    font-size: clamp(56px, 9vw, 100px);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--blanco);
    margin-bottom: 40px;
}

.manifiesto__texto {
    font-size: clamp(16px, 2vw, 20px);
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.5);
    max-width: 560px;
}

/* ===========================
   LAS 3 P
=========================== */
.tres-p {
    background: var(--verde-oscuro);
    padding: var(--padding-sec) 0;
}

.tres-p__header {
    margin-bottom: 64px;
}

.tres-p__header h2 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    color: var(--blanco);
    letter-spacing: -0.02em;
    margin-top: 12px;
}

.tres-p__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.tres-p__item {
    position: relative;
    padding: 40px 32px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    background: rgba(255,255,255,0.04);
    transition: background 0.2s;
}

.tres-p__item:hover {
    background: rgba(255,255,255,0.08);
}

.tres-p__letra {
    display: block;
    font-size: 80px;
    font-weight: 800;
    line-height: 1;
    color: rgba(255,255,255,0.07);
    letter-spacing: -0.04em;
    margin-bottom: 16px;
}

.tres-p__item h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--blanco);
    margin-bottom: 12px;
}

.tres-p__item p {
    font-size: 15px;
    color: rgba(255,255,255,0.55);
    line-height: 1.75;
}

@media (max-width: 768px) {
    .tres-p__grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* ===========================
   CONTACTO
=========================== */
.contact {
    max-width: 620px;
}

.contact h2 {
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.contact p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 44px;
    line-height: 1.7;
}

.contact__links {
    display: flex;
    align-items: center;
    gap: 36px;
    flex-wrap: wrap;
}

.contact__email {
    font-size: 18px;
    font-weight: 600;
    color: var(--blanco);
    text-decoration: none;
    border-bottom: 2px solid var(--verde-claro);
    padding-bottom: 2px;
    transition: border-color 0.2s;
}

.contact__email:hover {
    border-color: var(--blanco);
}

.contact__linkedin {
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.2s;
}

.contact__linkedin:hover {
    color: var(--blanco);
}

/* ===========================
   FOOTER
=========================== */
.footer {
    padding: 28px 0;
    border-top: 1px solid var(--gris-200);
}

.footer p {
    font-size: 13px;
    color: var(--gris-500);
}

/* ===========================
   RESPONSIVE (MÓVIL)
=========================== */
@media (max-width: 900px) {
    .hero__inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero__photo {
        display: none;
    }

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

@media (max-width: 768px) {
    :root {
        --padding-sec: 64px;
    }

    .nav__links {
        display: none;
    }

    .hero__title {
        font-size: clamp(40px, 12vw, 64px);
    }

    .timeline {
        padding-left: 32px;
    }

    .timeline__item {
        grid-template-columns: 52px 1fr;
        gap: 16px;
    }

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

/* ===========================
   ANIMACIONES SCROLL
=========================== */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-up {
    opacity: 0;
}

.fade-up.visible {
    animation: fadeUp 0.65s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.fade-up.visible.delay-1 { animation-delay: 0.1s; }
.fade-up.visible.delay-2 { animation-delay: 0.2s; }
.fade-up.visible.delay-3 { animation-delay: 0.3s; }