/* ===============================
   🔹 SENDING OVERLAY (envío de formularios)
================================ */
#sendingOverlay.flex {
    display: flex;
}

.sending-pulse {
    animation: sendingPulse 1.4s ease-in-out infinite;
    transform-origin: center;
    filter: drop-shadow(0 0 18px rgba(0, 125, 195, 0.45));
}

@keyframes sendingPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50%      { transform: scale(0.9); opacity: 0.55; }
}

.sending-dots::after {
    display: inline-block;
    width: 1.5em;
    text-align: left;
    content: '';
    animation: sendingDots 1.4s steps(4, end) infinite;
}

@keyframes sendingDots {
    0%        { content: ''; }
    25%       { content: '.'; }
    50%       { content: '..'; }
    75%, 100% { content: '...'; }
}

/* ===============================
   🔹 BASE
================================ */
html {
    scroll-behavior: smooth;
}

html, body {
    overflow-x: hidden;
    max-width: 100%;
}

h1,
h2,
h3 {
    font-weight: 800;
    letter-spacing: -0.04em;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #00182b;
}

::-webkit-scrollbar-thumb {
    background: #007DC3;
}

/* ===============================
   🔹 NAV
================================ */
.nav-link {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s;
    letter-spacing: -0.02em;
}

.nav-link:hover {
    color: #fff;
}

.nav-link.active {
    color: #0074d9;
    font-weight: 700;
    border-bottom: 2px solid #0074d9;
    padding-bottom: 0.25rem;
}

.nav-link-mobile {
    display: block;
    padding: 0.75rem 0.5rem;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: color 0.2s, background 0.2s;
}

.nav-link-mobile:last-child {
    border-bottom: none;
}

.nav-link-mobile:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
}

/* Hamburguesa abierta -> X */
#navToggle.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

#navToggle.open span:nth-child(2) {
    opacity: 0;
}

#navToggle.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

#mobileMenu.open {
    max-height: 60vh;
}

section {
    scroll-margin-top: 100px;
}

/* ===============================
   🔹 LOGO ANIMACIÓN (IMPORTANTE)
================================ */

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(8px);
        /* antes 20px ❌ */
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Dibujo de líneas */
@keyframes draw {
    to {
        stroke-dashoffset: 0;
    }
}

/* Relleno */
@keyframes fillIn {
    to {
        fill-opacity: 1;
        stroke-width: 0;
    }
}

/* Fade texto */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo base */
.logo-path {
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
}

/* ===============================
   🔹 PRELOADER
================================ */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: #00182b;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 1s ease, visibility 1s;
}

#preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

/* Logo animación */
.logo-path {
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
}

/* ===============================
   🔹 REVEAL
================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Fade up */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

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

/* ===============================
   🔹 HERO BACKGROUND
================================ */
.hero-bg {
    opacity: 0;
    transition: opacity 1.5s ease-in-out, transform 6s ease;
    transform: scale(1.05) translateZ(0);
    will-change: opacity;
    backface-visibility: hidden;
}

.hero-bg.active {
    opacity: 0.65;
    transform: scale(1.1) translateZ(0);
}

/* ===============================
   🔹 IMÁGENES
================================ */
.img-effect {
    filter: grayscale(100%) brightness(80%) contrast(110%);
    transition: all 0.5s ease;
}

.group:hover .img-effect {
    filter: grayscale(0%) brightness(100%);
    transform: scale(1.05);
}

/* Imagen blend (UNIFICADA) */
.img-blend {
    width: 100%;
    height: 100%;
    object-fit: cover;

    filter: grayscale(100%) contrast(1.1) brightness(0.9);
    mix-blend-mode: lighten;

    mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);

    box-shadow: 0 0 80px rgba(34, 211, 238, 0.08);
    transition: all 0.5s ease;
}

.group:hover .img-blend {
    filter: grayscale(0%) brightness(100%);
    transform: scale(1.05);
}

/* ===============================
   🔹 LAYERS / PARALLAX
================================ */
.layer1 {
    transform: rotate(-2deg) scale(1.05);
}

.layer2 {
    transform: rotate(2deg) scale(1.05);
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.6));
}

/* ===============================
   🔹 MASKS / EFFECTS
================================ */
.mask-feather-left {
    mask-image: linear-gradient(to left, black 60%, transparent 100%);
    -webkit-mask-image: linear-gradient(to left, black 60%, transparent 100%);
}

.mask-feather-bottom {
    mask-image: linear-gradient(to bottom, black 50%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 50%, transparent 100%);
}

.fade-mask {
    mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
}

/* ===============================
   🔹 GRID / TEXTURE
================================ */
.technical-grid {
    background-image:
        linear-gradient(#152c3f 1px, transparent 1px),
        linear-gradient(90deg, #152c3f 1px, transparent 1px);
    background-size: 40px 40px;
}

/* Hover grid */
.hover-grid {
    opacity: 0;
    transition: opacity 0.5s ease;
    background-image:
        linear-gradient(rgba(151, 203, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(151, 203, 255, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
}

.founder-card:hover .hover-grid {
    opacity: 1;
}

/* ===============================
   🔹 ANIMACIONES
================================ */

/* Línea blueprint */
@keyframes drawLine {
    to {
        stroke-dashoffset: 0;
    }
}

/* Imagen reveal */
@keyframes imageReveal {
    from {
        opacity: 0;
        transform: scale(1.05) translateY(20px);
        filter: grayscale(1) brightness(0.6);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
        filter: grayscale(1) brightness(0.9);
    }
}

/* Info fade */
@keyframes infoFade {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Activación */
.reveal-container.active .blueprint-line {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: drawLine 2s ease forwards;
}

.reveal-container.active .reveal-image {
    opacity: 0;
    animation: imageReveal 1.2s ease 0.6s forwards;
}

.reveal-container.active .reveal-info {
    opacity: 0;
    animation: infoFade 0.8s ease 1.4s forwards;
}

/* ===============================
   🔹 UTILIDADES
================================ */
.vertical-text {
    writing-mode: vertical-rl;
}

.glass-panel {
    background: rgba(0, 42, 92, 0.75);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.label {
    position: absolute;
    background: rgba(0, 0, 0, 0.4);
    padding: 6px 10px;
    font-size: 12px;
    backdrop-filter: blur(6px);
}

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

.pal {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: #00182b;
    color: #f1f5f9;
    padding: clamp(56px, 8vw, 96px) 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 48px);
}

.section-label {
    font-size: 11px;
    letter-spacing: 0.5em;
    text-transform: uppercase;
    color: #007DC3;
    font-weight: 700;
    display: block;
    margin-bottom: 16px;
}

.section-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(1.5rem, 3.2vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    text-transform: uppercase;
    line-height: 1.1;
    margin: 0 0 1.25rem 0;
    color: #f1f5f9;
    text-wrap: balance;
}

.section-title span {
    color: #007DC3;
}

.section-eyebrow {
    font-size: 0.75rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: #4cc9f0;
    font-weight: 700;
    display: block;
    margin-bottom: 1rem;
}

.section-lead {
    color: #94a3b8;
    font-size: clamp(0.95rem, 1.4vw, 1.125rem);
    line-height: 1.6;
    max-width: 60ch;
}

.filter-bar {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: clamp(32px, 5vw, 64px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 0;
}

.filter-btn {
    padding: 10px clamp(14px, 2vw, 24px);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    border: none;
    background: transparent;
    color: #94a3b8;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.2s;
}

.filter-btn:hover {
    color: #f1f5f9;
}

.filter-btn.active {
    color: #007DC3;
    border-bottom-color: #007DC3;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2px;
}

@media (min-width: 640px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1280px) {
    .projects-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

.proj-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: #00234a;
}

@media (min-width: 1024px) {
    .proj-card.featured {
        grid-column: span 2;
    }
}

.proj-img {
    width: 100%;
    display: block;
}

.proj-card.featured .proj-img,
.proj-card:not(.featured) .proj-img {
    height: clamp(260px, 30vw, 420px);
    object-fit: cover;
}

.proj-img-placeholder {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;

    background-size: cover;
    background-position: center;
}

.proj-card.featured .proj-img-placeholder,
.proj-card:not(.featured) .proj-img-placeholder {
    height: clamp(260px, 30vw, 420px);
}

.proj-img-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(45deg, rgba(0, 125, 195, 0.04) 0px, rgba(0, 125, 195, 0.04) 1px, transparent 1px, transparent 40px),
        linear-gradient(180deg, rgba(0, 18, 43, 0.55) 0%, rgba(0, 18, 43, 0.35) 40%, rgba(0, 18, 43, 0.35) 60%, rgba(0, 18, 43, 0.55) 100%);
}

.proj-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 18, 43, 0.95) 0%,
        rgba(0, 18, 43, 0.55) 45%,
        rgba(0, 18, 43, 0.35) 65%,
        rgba(0, 18, 43, 0.75) 100%
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: clamp(16px, 3vw, 32px);
    transition: background 0.4s;
}

.proj-card:hover .proj-overlay {
    background: linear-gradient(
        to top,
        rgba(0, 18, 43, 0.98) 0%,
        rgba(0, 18, 43, 0.8) 55%,
        rgba(0, 42, 92, 0.65) 100%
    );
}

.proj-tag {
    display: inline-block;
    padding: 4px 12px;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: #007DC3;
    border: 1px solid rgba(0, 125, 195, 0.4);
    margin-bottom: 12px;
    background: rgba(0, 125, 195, 0.08);
}

.proj-name {
    font-size: clamp(15px, 1.2vw, 20px);
    font-weight: 800;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    line-height: 1.25;
    color: #f1f5f9;
    margin-bottom: 10px;
    word-break: break-word;
    hyphens: auto;
}

.proj-card.featured .proj-name {
    font-size: 32px;
}

.proj-loc {
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #94a3b8;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.proj-loc::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 1px;
    background: #007DC3;
    flex-shrink: 0;
}

.proj-details {
    display: flex;
    gap: 24px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    opacity: 0;
    transform: translateY(8px);
    transition: all 0.35s;
}

.proj-card:hover .proj-details {
    opacity: 1;
    transform: translateY(0);
}

.proj-detail-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.proj-detail-val {
    font-size: 15px;
    font-weight: 900;
    color: #f1f5f9;
    letter-spacing: -0.01em;
}

.proj-detail-label {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: #94a3b8;
}

.proj-arrow {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(0, 125, 195, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #007DC3;
    opacity: 0;
    transition: all 0.3s;
}

.proj-card:hover .proj-arrow {
    opacity: 1;
    background: #007DC3;
    color: white;
    border-color: #007DC3;
}

.proj-num {
    position: absolute;
    top: 24px;
    left: 24px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: rgba(0, 125, 195, 0.5);
    transition: color 0.3s;
}

.proj-card:hover .proj-num {
    color: rgba(0, 125, 195, 0.8);
}

.cta-bar {
    margin-top: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.cta-text {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #94a3b8;
}

.cta-btn {
    padding: 18px 40px;
    background: #007DC3;
    color: white;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 12px;
}

.cta-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.arch-svg-icon {
    color: rgba(0, 125, 195, 0.15);
    position: absolute;
    right: -20px;
    bottom: -20px;
}

.text-primary-container {
    --tw-text-opacity: 1;
    color: rgb(0 116 217 / var(--tw-text-opacity, 1));
}

.text-primary {
    --tw-text-opacity: 1;
    color: rgb(167 200 255 / var(--tw-text-opacity, 1));
}
.custom-scroll::-webkit-scrollbar {
    width: 6px;
}

.custom-scroll::-webkit-scrollbar-thumb {
    background: #007DC3;
    border-radius: 10px;
}

/* entrada elegante tipo premium */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeUp 0.8s ease forwards;
}

/* hover más suave */
.logo-card:hover img {
    transform: scale(1.05);
}

.pagination-btn {
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid #ddd;
    background: #fff;
    color: #111;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-btn:hover {
    background: #f5f5f5;
}

.pagination-btn.active {
    background: #111;
    color: #fff;
    border-color: #111;
}

/* ===============================
   🔔 TOAST NOTIFICATIONS
================================ */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
}

.toast {
    min-width: 320px;
    max-width: 420px;
    padding: 16px 20px;
    border-radius: 14px;
    background: linear-gradient(145deg, #0f172a, #1e293b);
    color: #fff;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.05);
    transform: translateX(120%);
    opacity: 0;
    transition: transform 0.45s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.35s;
    pointer-events: auto;
    border-left: 4px solid #64748b;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-success {
    border-left-color: #10b981;
}

.toast-error {
    border-left-color: #ef4444;
}

.toast-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.toast-success .toast-icon {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.toast-error .toast-icon {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.toast-body {
    flex: 1;
    font-size: 13px;
    line-height: 1.4;
    color: #cbd5e1;
}

.toast-title {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 2px;
}

.toast-close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    font-size: 14px;
    padding: 4px 8px;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
}

.toast-close:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: currentColor;
    opacity: 0.5;
    border-radius: 0 0 14px 14px;
    animation: toastProgress 4.5s linear forwards;
}

.toast-success .toast-progress { color: #10b981; }
.toast-error .toast-progress { color: #ef4444; }

.toast {
    position: relative;
    overflow: hidden;
}

@keyframes toastProgress {
    from { width: 100%; }
    to { width: 0%; }
}

@media (max-width: 640px) {
    .toast-container {
        top: 16px;
        right: 16px;
        left: 16px;
    }
    .toast {
        min-width: 0;
        max-width: none;
    }
}