/* ============================================
   SURTISEP — Landing Page Styles
   ============================================ */

:root {
  --color-bg: #eef2f7;
  --color-bg-alt: #ffffff;
  --color-surface: #ffffff;
  --color-surface-hover: #f8fafc;
  --color-border: rgba(15, 23, 42, 0.1);
  --color-text: #334155;
  --color-text-muted: #64748b;
  --color-heading: #0f172a;
  --color-primary: #1a4fd6;
  --color-primary-light: #2563eb;
  --color-brand-green: #64a608;
  --color-brand-green-dark: #528505;
  --color-brand-green-light: #7abb1a;
  --color-accent: #64a608;
  --color-accent-glow: rgba(100, 166, 8, 0.2);
  --color-highlight: #d4a017;
  --color-success: #5a9e2e;
  --color-on-primary: #ffffff;
  --gradient-brand: linear-gradient(135deg, #1a4fd6 0%, #5a9e2e 60%, #d4a017 100%);
  --gradient-hero: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(26, 79, 214, 0.1), transparent),
                   radial-gradient(ellipse 60% 50% at 100% 50%, rgba(90, 158, 46, 0.08), transparent);
  /* Overlay foto proyectos: tinte marca arriba → foto visible al centro → scrim abajo para texto */
  --gradient-image-overlay: linear-gradient(
    to bottom,
    rgba(26, 79, 214, 0.42) 0%,
    rgba(26, 79, 214, 0.12) 22%,
    rgba(90, 158, 46, 0.06) 38%,
    transparent 52%,
    rgba(15, 23, 42, 0.18) 68%,
    rgba(15, 23, 42, 0.72) 88%,
    rgba(15, 23, 42, 0.92) 100%
  );
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-card: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-glow: 0 8px 32px rgba(26, 79, 214, 0.12);
  --header-brand-height: 88px;
  --header-nav-height: 50px;
  --header-height: calc(var(--header-brand-height) + var(--header-nav-height));
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

ul {
  list-style: none;
}

.container {
  width: min(100% - 2rem, 1140px);
  margin-inline: auto;
}

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

.section__tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-heading);
  margin-bottom: 1rem;
}

.section__desc {
  color: var(--color-text-muted);
  max-width: 640px;
}

.section__header {
  margin-bottom: 3rem;
}

.section__header--center {
  text-align: center;
}

.section__header--center .section__desc {
  margin-inline: auto;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn--primary {
  background: var(--gradient-brand);
  color: var(--color-on-primary);
  box-shadow: 0 4px 20px rgba(26, 79, 214, 0.25);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(26, 79, 214, 0.35);
  color: var(--color-on-primary);
}

.btn--outline {
  background: var(--color-surface);
  color: var(--color-heading);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.btn--outline:hover {
  background: var(--color-surface-hover);
  border-color: rgba(26, 79, 214, 0.25);
  color: var(--color-primary);
}

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

/* ---- Header / Nav ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.1);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: 0 6px 28px rgba(15, 23, 42, 0.14);
}

/* Sección superior: logo + nombre */
.header__brand {
  min-height: var(--header-brand-height);
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
}

.header__brand-inner {
  display: flex;
  align-items: center;
  min-height: var(--header-brand-height);
  padding: 0.5rem 0;
}

.header__brand-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: 100%;
  color: inherit;
}

.header__brand-link:hover {
  opacity: 0.92;
}

.header__brand-text {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.2rem;
  flex-shrink: 0;
  text-align: right;
}

.header__brand-name {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.header__brand-tagline {
  font-size: clamp(0.6875rem, 1.5vw, 0.8125rem);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Sección inferior: menú navegable */
.header__nav {
  min-height: var(--header-nav-height);
  background: linear-gradient(
    180deg,
    var(--color-brand-green-light) 0%,
    var(--color-brand-green) 50%,
    var(--color-brand-green-dark) 100%
  );
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.header__nav-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--header-nav-height);
  position: relative;
}

/* ---- Logo (marca SURTISEP) ---- */
.logo {
  display: block;
  height: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.logo--header {
  height: 64px;
  width: auto;
  max-width: min(200px, 32vw);
  flex-shrink: 0;
}

.logo--footer {
  height: 40px;
  width: auto;
  max-width: 200px;
}

.nav__menu {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.125rem;
  list-style: none;
}

.nav__link {
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.92);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav__link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.18);
}

.nav__link--cta {
  margin-left: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: #fff;
  color: var(--color-brand-green-dark) !important;
  border: none;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.nav__link--cta:hover {
  background: #f0fce4;
  color: var(--color-brand-green-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 3rem) 0 4rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  pointer-events: none;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26, 79, 214, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 79, 214, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent);
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: float 8s ease-in-out infinite;
}

.hero__orb--1 {
  width: 400px;
  height: 400px;
  background: rgba(26, 79, 214, 0.22);
  top: -10%;
  right: -5%;
}

.hero__orb--2 {
  width: 300px;
  height: 300px;
  background: rgba(102, 176, 50, 0.16);
  bottom: 10%;
  left: -5%;
  animation-delay: -4s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -20px); }
}

.hero__layout {
  position: relative;
  z-index: 1;
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr min(44%, 520px);
  gap: clamp(2rem, 4vw, 3rem);
  align-items: center;
  width: 100%;
}

.hero__media {
  position: relative;
  align-self: stretch;
  min-height: min(420px, 55vh);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}

.hero__image {
  display: block;
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  object-position: center;
}

.hero__main {
  position: relative;
}

.hero__text {
  max-width: 34rem;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-card);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-heading);
  margin-bottom: 1.5rem;
}

.hero__quote {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 40rem;
  font-style: italic;
  border-left: 3px solid var(--color-accent);
  padding-left: 1.25rem;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem 2rem;
  padding: 1.5rem 2rem;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  max-width: fit-content;
  margin-top: 0;
  backdrop-filter: blur(8px);
}

.hero__stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.2;
}

.hero__stat span {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.hero__stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

/* ---- Sections ---- */
.section {
  padding: 6rem 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

/* ---- Services ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.service-card {
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(26, 79, 214, 0.25);
  box-shadow: var(--shadow-glow);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 79, 214, 0.08);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
}

.service-card__icon svg {
  width: 26px;
  height: 26px;
}

.service-card__icon--accent {
  background: var(--color-accent-glow);
  color: var(--color-accent);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 0.625rem;
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* ---- Projects ---- */
.projects {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.projects__image {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-bg);
}

.projects__image-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transform: scale(1.1);
  transform-origin: center center;
}

.projects__image-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--gradient-image-overlay);
  pointer-events: none;
}

.projects__image-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.06) 0%,
    transparent 28%
  );
  mix-blend-mode: overlay;
}

.projects__image-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding: 2rem;
}

.projects__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.25);
}

.projects__image-content p {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-on-primary);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.projects__quote {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  font-style: italic;
  border-left: 3px solid var(--color-primary);
  padding-left: 1.25rem;
  margin: 1.5rem 0 2rem;
}

.projects__list {
  margin-bottom: 2rem;
}

.projects__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.625rem 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.projects__list svg {
  width: 20px;
  height: 20px;
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ---- Clients marquee ---- */
.section--clients {
  padding: 4rem 0;
  border-block: 1px solid var(--color-border);
}

.clients-marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.clients-marquee__track {
  display: flex;
  gap: 2rem;
  width: max-content;
  animation: marquee 25s linear infinite;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.clients-marquee__track span:nth-child(even) {
  color: var(--color-border);
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---- About ---- */
.about {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.about__content p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.about__values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.about__value {
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.about__value strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.875rem;
  color: var(--color-accent);
  margin-bottom: 0.375rem;
}

.about__value span {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.about__card {
  padding: 0;
  overflow: hidden;
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}

.about__photo {
  display: block;
  width: 100%;
  height: 240px;
  object-fit: cover;
  object-position: center center;
}

.about__card-tagline {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 1.25rem 1.5rem 0.75rem;
}

.about__card-text {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-heading);
  padding: 0 1.5rem 1.75rem;
}

/* ---- Testimonial ---- */
.testimonial {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  position: relative;
}

.testimonial__quote-icon {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
  opacity: 0.4;
  margin-bottom: 1rem;
}

.testimonial__text {
  font-size: 1.125rem;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial__avatar {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-brand);
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-on-primary);
}

.testimonial__author cite {
  display: block;
  font-style: normal;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-heading);
}

.testimonial__author span {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ---- Contact ---- */
.section--contact {
  background: var(--color-bg-alt);
}

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact__info > p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.contact__details {
  margin-bottom: 2rem;
}

.contact__details li {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}

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

.contact__details svg {
  width: 22px;
  height: 22px;
  color: var(--color-primary-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact__details strong {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.contact__details span,
.contact__details a {
  font-size: 0.9375rem;
  color: var(--color-text);
}

.contact__social {
  display: flex;
  gap: 0.75rem;
}

.contact__social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.contact__social-link:hover {
  color: var(--color-primary);
  border-color: rgba(26, 79, 214, 0.3);
  background: rgba(26, 79, 214, 0.06);
}

.contact__social-link svg {
  width: 20px;
  height: 20px;
}

.contact__form {
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 0.375rem;
}

.form-group label span {
  color: var(--color-accent);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 79, 214, 0.12);
}

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

.form-feedback {
  margin-top: 1rem;
  font-size: 0.875rem;
  text-align: center;
  min-height: 1.25rem;
}

.form-feedback.success {
  color: var(--color-success);
}

.form-feedback.error {
  color: #ef4444;
}

/* ---- Footer ---- */
.footer {
  padding: 2rem 0;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem 2rem;
}

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

.footer__brand:hover {
  opacity: 0.9;
}

.footer__copy {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer__links {
  display: flex;
  gap: 1.5rem;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ---- WhatsApp float ---- */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
  color: #fff;
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

/* ---- Scroll reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .projects,
  .about,
  .contact {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .projects__visual {
    order: -1;
  }

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

  .hero__stat-divider {
    display: none;
  }

  .hero__content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero__media {
    order: -1;
    min-height: 280px;
  }

  .hero__text {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  :root {
    --header-brand-height: 76px;
    --header-nav-height: 48px;
  }

  .header__brand-inner {
    padding: 0.375rem 0;
  }

  .header__brand-link {
    gap: 1rem;
  }

  .logo--header {
    height: 52px;
    max-width: min(110px, 26vw);
  }

  .header__brand-tagline {
    font-size: 0.625rem;
    letter-spacing: 0.03em;
  }

  .header__nav-inner {
    justify-content: flex-end;
    padding-right: 0;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }

  .footer__links {
    justify-content: center;
  }

  .nav__toggle {
    display: flex;
    position: absolute;
    right: 0;
    top: 50%;
    margin-top: -20px;
    z-index: 2;
  }

  .nav__menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    background: var(--color-brand-green-dark);
    border-bottom: 1px solid rgba(0, 0, 0, 0.15);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .nav__menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__link {
    display: block;
    width: 100%;
    padding: 0.875rem 1rem;
    text-align: center;
  }

  .nav__link--cta {
    margin-left: 0;
    margin-top: 0.5rem;
  }

  .section {
    padding: 4rem 0;
  }

  .hero__stats {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__orb,
  .clients-marquee__track {
    animation: none;
  }
}