/* ============================================================
   THREE BOUNDS — CSS de conversión
   Tipografía: Syne (títulos) + DM Sans (cuerpo)
   ============================================================ */

:root {
    --bg-0: #080810;
    --bg-1: #0e0e1a;
    --bg-2: #141424;
    --bg-card: #11111f;
    --border: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(255, 255, 255, 0.14);

    --text-1: #f0f0f8;
    --text-2: #9090b0;
    --text-3: #5a5a7a;

    --accent: #7effa0;
    --accent-dim: rgba(126, 255, 160, 0.12);
    --accent-glow: rgba(126, 255, 160, 0.25);

    --blue: #5b8ef0;
    --blue-dim: rgba(91, 142, 240, 0.1);

    --nav-h: 72px;
    --radius: 16px;
    --radius-sm: 10px;
}

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

html { overflow-y: scroll; scrollbar-gutter: stable; scroll-behavior: smooth; }

body {
    font-family: 'DM Sans', sans-serif;
    background-color: var(--bg-0);
    color: var(--text-1);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

/* ── CONTAINERS ── */
.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ── SPLASH ── */
.splash-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-0);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
}

.splash-screen.hide {
    opacity: 0;
    pointer-events: none;
}

.splash-logo-img {
    height: 90px;
    width: auto;
    animation: splashPulse 1.8s ease-in-out infinite;
}

@keyframes splashPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(0.97); }
}

.splash-text {
    font-family: 'Syne', sans-serif;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-2);
    margin-top: 1.2rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* ── NAVBAR ── */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--nav-h);
    z-index: 1000;
    transition: background 0.3s ease, border-color 0.3s ease;
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(8, 8, 16, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.logo-link { display: flex; align-items: center; flex-shrink: 0; }

.nav-logo-img {
    height: 52px;
    width: auto;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.nav-logo-img.visible { opacity: 1; }

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin-left: auto;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.nav-links.visible { opacity: 1; }

.nav-links a {
    text-decoration: none;
    color: var(--text-2);
    font-size: 0.95rem;
    font-weight: 400;
    transition: color 0.2s ease;
}

.nav-links a:hover { color: var(--text-1); }

.nav-cta {
    display: inline-flex;
    align-items: center;
    padding: 0.55rem 1.4rem;
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid rgba(126, 255, 160, 0.25);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.4s ease, background 0.2s ease, border-color 0.2s ease;
    flex-shrink: 0;
}

.nav-cta.visible { opacity: 1; }

.nav-cta:hover {
    background: rgba(126, 255, 160, 0.2);
    border-color: rgba(126, 255, 160, 0.5);
}

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

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-1);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ── HERO ── */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: var(--nav-h);
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(126,255,160,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(126,255,160,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
}

.hero-orb--1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(91,142,240,0.18) 0%, transparent 70%);
    top: -100px;
    right: -100px;
}

.hero-orb--2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(126,255,160,0.12) 0%, transparent 70%);
    bottom: 0;
    left: -50px;
}

.hero-container {
    position: relative;
    z-index: 2;
    padding-top: 4rem;
    padding-bottom: 4rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.4rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.82rem;
    color: var(--text-2);
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.6s ease 0.3s forwards;
}

.badge-dot {
    width: 7px;
    height: 7px;
    background: var(--accent);
    border-radius: 50%;
    animation: blink 2s ease infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2.6rem, 5.5vw, 4.4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text-1);
    margin-bottom: 1.6rem;
    max-width: 800px;
    opacity: 0;
    transform: translateY(24px);
    animation: fadeUp 0.7s ease 0.5s forwards;
}

.hero-title--accent {
    background: linear-gradient(135deg, var(--accent) 0%, #5bf0a0 50%, #3de8ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-2);
    max-width: 580px;
    line-height: 1.7;
    margin-bottom: 2.5rem;
    opacity: 0;
    transform: translateY(24px);
    animation: fadeUp 0.7s ease 0.7s forwards;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(24px);
    animation: fadeUp 0.7s ease 0.9s forwards;
}

.hero-social-proof {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.7s ease 1.1s forwards;
}

.proof-item {
    font-size: 0.9rem;
    color: var(--text-2);
}

.proof-item strong {
    font-family: 'Syne', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
    margin-right: 4px;
}

.proof-sep {
    width: 1px;
    height: 20px;
    background: var(--border);
}

.hero-scroll-hint {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeIn 1s ease 1.8s forwards;
}

.hero-scroll-hint span {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-3);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-3), transparent);
    animation: scrollPulse 2s ease infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); transform-origin: top; }
    50% { opacity: 0.4; transform: scaleY(0.6); transform-origin: top; }
}

/* ── BUTTONS ── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 2rem;
    background: var(--accent);
    color: #060c0a;
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.25s ease;
    white-space: nowrap;
    box-shadow: 0 0 30px var(--accent-glow);
}

.btn-primary:hover {
    background: #a0ffc0;
    transform: translateY(-2px);
    box-shadow: 0 0 50px var(--accent-glow);
}

.btn-primary.btn-xl {
    padding: 1.1rem 2.5rem;
    font-size: 1.1rem;
    border-radius: var(--radius);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.8rem;
    background: transparent;
    color: var(--text-2);
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    font-weight: 400;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.25s ease;
}

.btn-ghost:hover {
    color: var(--text-1);
    border-color: var(--border-hover);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    background: transparent;
    color: var(--accent);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    border: 1px solid rgba(126, 255, 160, 0.3);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.25s ease;
}

.btn-outline:hover {
    background: var(--accent-dim);
    border-color: rgba(126, 255, 160, 0.5);
}

/* ── SECTION COMMONS ── */
.section-eyebrow {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1.2rem;
    display: block;
}

.section-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text-1);
    margin-bottom: 1rem;
}

.section-sub {
    font-size: 1.1rem;
    color: var(--text-2);
    max-width: 560px;
    line-height: 1.7;
    margin-bottom: 3.5rem;
}

.text-accent {
    background: linear-gradient(135deg, var(--accent) 0%, #3de8ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* ── PROBLEM SECTION ── */
.problem-section {
    padding: 6rem 0;
    background: var(--bg-1);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.pain-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: border-color 0.3s ease, transform 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.pain-card.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.55s cubic-bezier(0.25,1,0.5,1), transform 0.55s cubic-bezier(0.25,1,0.5,1), border-color 0.3s ease;
}

.pain-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px) !important;
}

.pain-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.pain-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-1);
    margin-bottom: 0.6rem;
}

.pain-card p {
    font-size: 0.93rem;
    color: var(--text-2);
    line-height: 1.65;
}

.problem-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem 2.5rem;
    flex-wrap: wrap;
}

.problem-cta p {
    font-size: 1rem;
    color: var(--text-2);
    flex: 1;
    min-width: 200px;
}

/* ── SERVICES SECTION ── */
.services-section {
    padding: 7rem 0;
    background: var(--bg-0);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: border-color 0.3s ease, transform 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.service-card.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s cubic-bezier(0.25,1,0.5,1), transform 0.6s cubic-bezier(0.25,1,0.5,1), border-color 0.3s ease;
}

.service-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px) !important;
}

.service-card--featured {
    border-color: rgba(126,255,160,0.2);
    background: linear-gradient(160deg, rgba(126,255,160,0.04) 0%, var(--bg-card) 60%);
}

.service-card--featured:hover {
    border-color: rgba(126,255,160,0.4) !important;
}

.service-badge {
    position: absolute;
    top: -12px;
    left: 1.5rem;
    background: var(--accent);
    color: #060c0a;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 100px;
    letter-spacing: 0.04em;
}

.service-number {
    font-family: 'Syne', sans-serif;
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--text-3);
    letter-spacing: 0.1em;
}

.service-icon-wrap {
    width: 48px;
    height: 48px;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.service-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-1);
}

.service-card > p {
    font-size: 0.92rem;
    color: var(--text-2);
    line-height: 1.65;
}

.service-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
    flex: 1;
}

.service-list li {
    font-size: 0.88rem;
    color: var(--text-2);
    padding-left: 1.2rem;
    position: relative;
    line-height: 1.5;
}

.service-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 0.8rem;
}

.service-outcome {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 1rem;
    background: var(--accent-dim);
    border-radius: 10px;
    margin-top: auto;
}

.outcome-label {
    font-size: 0.72rem;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}

.outcome-value {
    font-size: 0.92rem;
    color: var(--accent);
    font-weight: 600;
}

/* ── PROCESS SECTION ── */
.process-section {
    padding: 7rem 0;
    background: var(--bg-1);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.process-steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    max-width: 900px;
    margin: 0 auto 3.5rem;
}

.process-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.2rem;
    opacity: 0;
    transform: translateY(28px);
}

.process-step.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s cubic-bezier(0.25,1,0.5,1), transform 0.6s cubic-bezier(0.25,1,0.5,1);
}

.step-number {
    width: 56px;
    height: 56px;
    background: var(--bg-2);
    border: 2px solid var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Syne', sans-serif;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent);
    flex-shrink: 0;
    box-shadow: 0 0 20px var(--accent-glow);
}

.step-content h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-1);
    margin-bottom: 0.5rem;
}

.step-content p {
    font-size: 0.9rem;
    color: var(--text-2);
    line-height: 1.65;
    max-width: 240px;
    margin: 0 auto;
}

.step-time {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--accent);
    background: var(--accent-dim);
    padding: 3px 10px;
    border-radius: 100px;
    font-weight: 500;
}

.process-connector {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--blue));
    margin-top: 27px;
    flex-shrink: 0;
    opacity: 0.4;
}

.process-cta {
    text-align: center;
}

/* ── CASES SECTION ── */
.cases-section {
    padding: 7rem 0;
    background: var(--bg-0);
}

.case-study {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 2.5rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.25,1,0.5,1), transform 0.7s cubic-bezier(0.25,1,0.5,1);
}

.case-study.revealed {
    opacity: 1;
    transform: translateY(0);
}

.case-client {
    font-family: 'Syne', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-1);
    padding: 1.75rem 2rem 0;
}

.case-before-after {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 0;
    border-bottom: 1px solid var(--border);
}

.case-col {
    padding: 2.5rem 2rem;
}

.case-col--before { background: rgba(255,80,80,0.03); }
.case-col--after { background: rgba(126,255,160,0.03); }

.case-label {
    font-family: 'Syne', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.2rem;
}

.case-label--before { color: #ff6b6b; }
.case-label--after { color: var(--accent); }

.case-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.case-list li {
    font-size: 0.92rem;
    line-height: 1.5;
    padding-left: 1.4rem;
    position: relative;
}

.case-list--before li { color: var(--text-2); }
.case-list--before li::before { content: '✕'; position: absolute; left: 0; color: #ff6b6b; font-size: 0.75rem; top: 3px; }

.case-list--after li { color: var(--text-1); }
.case-list--after li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-size: 0.85rem; top: 1px; }

.case-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 1rem;
    font-size: 2rem;
    color: var(--text-3);
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
}

.case-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-bottom: 1px solid var(--border);
}

.case-metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 2rem;
    border-right: 1px solid var(--border);
    text-align: center;
}

.case-metric:last-child { border-right: none; }

.metric-num {
    font-family: 'Syne', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), #3de8ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    line-height: 1;
}

.metric-desc {
    font-size: 0.82rem;
    color: var(--text-2);
    line-height: 1.4;
    max-width: 120px;
}

.case-quote {
    padding: 2rem 2.5rem;
}

.case-quote p {
    font-size: 1rem;
    color: var(--text-2);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 0.8rem;
}

.quote-source {
    font-size: 0.85rem;
    color: var(--text-3);
    font-weight: 500;
}

.cases-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.cases-footer p {
    font-size: 1rem;
    color: var(--text-2);
}

/* ── FINAL CTA ── */
.final-cta {
    padding: 8rem 0;
    background: var(--bg-1);
    border-top: 1px solid var(--border);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-bg-orb {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(126,255,160,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.final-cta-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text-1);
    margin-bottom: 1.2rem;
}

.final-cta-sub {
    font-size: 1.1rem;
    color: var(--text-2);
    max-width: 480px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.final-cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.2rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.cta-note {
    font-size: 0.82rem;
    color: var(--text-3);
}

/* ── FOOTER ── */
.footer {
    background: var(--bg-0);
    border-top: 1px solid var(--border);
    padding: 4rem 0 2.5rem;
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    height: 44px;
    width: auto;
    align-self: flex-start;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-3);
    max-width: 260px;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-col-title {
    font-family: 'Syne', sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.3rem;
}

.footer-col a {
    font-size: 0.9rem;
    color: var(--text-2);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-col a:hover { color: var(--text-1); }

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.copyright {
    font-size: 0.82rem;
    color: var(--text-3);
}

.footer-wa {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.footer-wa:hover { opacity: 0.75; }

/* ── WHATSAPP FLOTANTE ── */
.wa-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    z-index: 999;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    opacity: 0;
    animation: fadeIn 0.5s ease 2s forwards;
}

.wa-float:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 6px 30px rgba(37,211,102,0.55);
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* ── MOBILE MENU (overlay) ── */
.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(8,8,16,0.98);
    z-index: 998;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
    font-family: 'Syne', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-1);
    text-decoration: none;
    transition: color 0.2s ease;
}

.mobile-menu a:hover { color: var(--accent); }

.mobile-menu .btn-primary {
    margin-top: 1rem;
    font-size: 1.1rem;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
    .services-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
    .pain-grid { grid-template-columns: 1fr; }
    .process-steps { flex-direction: column; align-items: center; }
    .process-connector { width: 2px; height: 40px; background: linear-gradient(to bottom, var(--accent), var(--blue)); margin: 0; }
    .case-before-after { grid-template-columns: 1fr; }
    .case-arrow { border: none; padding: 0.5rem; font-size: 1.5rem; justify-content: flex-start; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
    .case-metrics { grid-template-columns: 1fr 1fr; }
    .case-metric:nth-child(2) { border-right: none; }
    .case-metric:last-child { grid-column: span 2; border-top: 1px solid var(--border); }
    .footer-top { grid-template-columns: 1fr; gap: 2rem; }
    .problem-cta { flex-direction: column; text-align: center; }
    .cases-footer { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
    .nav-links, .nav-cta { display: none; }
    .hamburger { display: flex; }
    .hero-title { font-size: clamp(2rem, 7vw, 3rem); }
    .hero-actions { flex-direction: column; align-items: flex-start; }
    .hero-social-proof { gap: 1rem; }
    .proof-sep { display: none; }
    .final-cta-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 1.2rem; }
    .hero-section { min-height: 95vh; }
    .case-metrics { grid-template-columns: 1fr; }
    .case-metric:nth-child(2) { border-right: 0; border-top: 1px solid var(--border); }
    .case-metric:last-child { grid-column: span 1; }
    .footer-links { grid-template-columns: 1fr; }
}