/* ============================================================
   Paulo Luduvico — Consultoria em TI
   Arquivo: style.css
   ============================================================ */

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

:root {
  /* Fontes */
  --font-family: 'Outfit', sans-serif;
  --font-size-base: 16px;

  /* Efeitos e Raio */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 10px 40px rgba(0,0,0,.14);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.18);
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-full:9999px;
  --transition: 0.3s ease;
  --container-max: 1200px;
  --container-pad: 1.5rem;

  /* ---- TEMA CLARO (Default) ---- */
  --color-primary:       #1565C0;
  --color-primary-dark:  #0D47A1;
  --color-primary-light: #1976D2;
  --color-accent:        #2196F3;
  --color-navy:          #0A1628; /* Títulos e textos fortes */
  --color-text:          #2D3748; /* Texto corpo */
  --color-text-light:    #718096; /* Texto secundário */
  --color-white:         #FFFFFF;
  --color-bg:            #F7F9FC;
  --color-bg-card:       #FFFFFF;
  --color-border:        #E2E8F0;
  --color-success:       #38A169;
  --color-star:          #F6C90E;
  --color-header-scroll: rgba(255, 255, 255, 0.95);
  --color-hero-overlay:  linear-gradient(135deg, rgba(247,249,252,.95) 0%, rgba(247,249,252,.85) 50%, rgba(247,249,252,.70) 100%);
  --color-hero-text:     #0A1628;
  --color-why-bg:        #FFFFFF;
  --color-why-text:      #0A1628;
  --color-footer-bg:     #FFFFFF;
  --color-footer-text:   #4A5568;
  --color-footer-title:  #0A1628;
  --color-footer-border: #E2E8F0;
  --color-input-bg:      #FFFFFF;
  --color-input-text:    #2D3748;
  --color-tag-bg:        rgba(21,101,192,.1);
  --color-tag-text:      #1565C0;
}

/* ---- TEMA ESCURO ---- */
[data-theme="dark"] {
  --color-primary:       #2196F3;
  --color-primary-dark:  #1976D2;
  --color-primary-light: #64B5F6;
  --color-accent:        #4FC3F7;
  --color-navy:          #FFFFFF;
  --color-text:          #E2E8F0;
  --color-text-light:    #A0AEC0;
  --color-white:         #FFFFFF;
  --color-bg:            #0A1120;
  --color-bg-card:       #151E2D;
  --color-border:        #2D3748;
  --color-success:       #48BB78;
  --color-star:          #F6C90E;
  --color-header-scroll: rgba(10, 17, 32, 0.95);
  --color-hero-overlay:  linear-gradient(135deg, rgba(5,10,20,.95) 0%, rgba(10,17,32,.85) 50%, rgba(5,10,20,.75) 100%);
  --color-hero-text:     #FFFFFF;
  --color-why-bg:        linear-gradient(135deg, #050A14 0%, #0A1120 100%);
  --color-why-text:      #FFFFFF;
  --color-footer-bg:     #050A14;
  --color-footer-text:   rgba(255,255,255,.6);
  --color-footer-title:  #FFFFFF;
  --color-footer-border: rgba(255,255,255,.08);
  --color-input-bg:      rgba(255,255,255,0.05);
  --color-input-text:    #FFFFFF;
  --color-tag-bg:        rgba(33,150,243,.15);
  --color-tag-text:      #4FC3F7;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul {
  list-style: none;
}

/* ---- UTILITIES ---- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.d-none-sm { display: inline; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-family);
  font-size: 0.95rem;
  letter-spacing: 0;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(33,150,243,.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--color-white);
}

.btn-sm {
  padding: .5rem 1.25rem;
  font-size: .85rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ---- SECTION HEADER ---- */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-family);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.2;
  margin-bottom: .75rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================================
   HEADER / NAVBAR
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: var(--color-header-scroll);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,0,0,.1);
  border-bottom: 1px solid var(--color-border);
}

[data-theme="dark"] .header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,.5);
}

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

.nav-logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 50px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

/* Alternância de Logos */
.logo-dark { display: none; }
.logo-light { display: block; }

[data-theme="light"] .logo-dark { display: block; }
[data-theme="light"] .logo-light { display: none; }

.logo-img {
  height: 50px;
  width: auto;
  object-fit: contain;
}

/* Ajuste de cor dos links no scroll (Tema Claro) */
[data-theme="light"] .header.scrolled .nav-link {
  color: var(--color-text);
}
[data-theme="light"] .header.scrolled .nav-link:hover,
[data-theme="light"] .header.scrolled .nav-link.active {
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-family);
  color: rgba(255,255,255,.85);
  font-size: 0.95rem;
  letter-spacing: 0;
  font-weight: 500;
  position: relative;
  padding-bottom: 3px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--color-primary);
  color: var(--color-white) !important;
  padding: .55rem 1.4rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  border: 2px solid var(--color-primary);
}

.nav-cta::after { display: none; }

.nav-cta:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
}

/* Theme Toggle Button */
.theme-toggle {
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.2rem;
  cursor: pointer;
  padding: .5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition);
}

[data-theme="light"] .header.scrolled .theme-toggle {
  color: var(--color-text);
}

.theme-toggle:hover {
  transform: rotate(15deg) scale(1.1);
}

/* Ícone reflete o estado atual: Sol para Claro, Lua para Escuro */
.theme-toggle .fa-sun { display: block; }
.theme-toggle .fa-moon { display: none; }

[data-theme="dark"] .theme-toggle .fa-sun { display: none; }
[data-theme="dark"] .theme-toggle .fa-moon { display: block; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition);
}

[data-theme="light"] .header.scrolled .nav-toggle span {
  background: var(--color-text);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--color-hero-overlay);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 100px;
  padding-bottom: 80px;
}

.hero-text {
  max-width: 680px;
}

.hero-badge {
  display: inline-block;
  background: rgba(33,150,243,.2);
  border: 1px solid rgba(33,150,243,.4);
  color: #90CAF9;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-family);
  font-size: clamp(2.4rem, 6vw, 4rem);
  letter-spacing: -0.03em;
  font-weight: 800;
  color: var(--color-hero-text);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero-title .highlight {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--color-hero-text);
  opacity: 0.85;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.stat strong {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-hero-text);
  line-height: 1;
}

.stat span {
  font-size: .8rem;
  color: var(--color-hero-text);
  opacity: 0.7;
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-hero-text);
  opacity: 0.2;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero-scroll a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 2px solid rgba(255,255,255,.3);
  border-radius: 50%;
  color: rgba(255,255,255,.7);
  font-size: .9rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(8px); }
}

/* ============================================================
   SERVICES HIGHLIGHT (cards abaixo do hero)
   ============================================================ */
.services-highlight {
  background: var(--color-bg-card);
  padding: 0;
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid var(--color-border);
}

.services-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.service-card-sm {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.75rem 2rem;
  border-right: 1px solid var(--color-border);
  transition: background var(--transition);
}

.service-card-sm:last-child {
  border-right: none;
}

.service-card-sm:hover {
  background: rgba(33,150,243,0.05);
}

.service-card-sm h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: .25rem;
}

.service-card-sm p {
  font-size: .85rem;
  color: var(--color-text-light);
}

.service-icon-sm {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.service-icon-sm.blue {
  background: rgba(21,101,192,.12);
  color: var(--color-primary);
}

.service-icon-sm.navy {
  background: rgba(10,22,40,.08);
  color: var(--color-primary);
}

[data-theme="dark"] .service-icon-sm.navy {
  background: rgba(255,255,255,.08);
  color: var(--color-white);
}

/* ============================================================
   SERVICES FULL
   ============================================================ */
.services {
  padding: 6rem 0;
  background: var(--color-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.service-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transition: transform var(--transition);
}

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

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card.featured {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  border-color: transparent;
}

.service-card.featured::before {
  transform: scaleX(1);
  background: rgba(255,255,255,.3);
}

.service-card.featured h3,
.service-card.featured p {
  color: var(--color-white);
}

.service-card.featured .service-link {
  color: rgba(255,255,255,.85);
}

.service-card.featured .service-icon {
  background: rgba(255,255,255,.2);
  color: var(--color-white);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: rgba(21,101,192,.1);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  transition: all var(--transition);
}

.service-card:not(.featured):hover .service-icon {
  background: var(--color-primary);
  color: var(--color-white);
}

.service-card h3 {
  font-family: var(--font-family);
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: .75rem;
}

.service-card p {
  font-size: .92rem;
  color: var(--color-text-light);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .9rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: gap var(--transition);
}

.service-link:hover {
  gap: .7rem;
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects {
  padding: 6rem 0;
  background: var(--color-bg);
}

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

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

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

.project-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.project-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.project-card:hover .project-img-wrap img {
  transform: scale(1.06);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,22,40,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-info {
  padding: 1.5rem;
}

.project-tag {
  display: inline-block;
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3rem .75rem;
  border-radius: var(--radius-full);
  margin-bottom: .75rem;
}

.project-info h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: .5rem;
}

.project-info p {
  font-size: .88rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

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

/* ============================================================
   WHY US
   ============================================================ */
.why-us {
  padding: 6rem 0;
  background: var(--color-why-bg);
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.why-us::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(33,150,243,.08) 0%, transparent 70%);
  pointer-events: none;
}

.why-us .section-tag {
  background: rgba(33,150,243,.15);
  color: #90CAF9;
}

.why-us .section-title {
  color: var(--color-why-text);
}

.why-us .section-subtitle {
  color: var(--color-why-text);
  opacity: 0.7;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

.why-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition);
}

.why-card:hover {
  background: rgba(255,255,255,.1);
  transform: translateY(-4px);
  border-color: rgba(33,150,243,.3);
}

.why-icon {
  width: 64px;
  height: 64px;
  background: rgba(33,150,243,.15);
  color: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 1.25rem;
  transition: all var(--transition);
}

.why-card:hover .why-icon {
  background: var(--color-primary);
  color: var(--color-white);
}

.why-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-why-text);
  margin-bottom: .75rem;
}

.why-card p {
  font-size: .88rem;
  color: var(--color-why-text);
  opacity: 0.7;
  line-height: 1.65;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials {
  padding: 6rem 0;
  background: var(--color-bg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.testimonial-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(21,101,192,.2);
}

.testimonial-stars {
  color: var(--color-star);
  font-size: .9rem;
  margin-bottom: 1rem;
  display: flex;
  gap: .2rem;
}

.testimonial-card p {
  font-size: .95rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: .85rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: .95rem;
  font-weight: 700;
  color: var(--color-navy);
}

.testimonial-author span {
  font-size: .8rem;
  color: var(--color-text-light);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: 6rem 0;
  background: var(--color-bg);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 1.75rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(21,101,192,.1);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-size: .85rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: .2rem;
}

.contact-item span {
  font-size: .9rem;
  color: var(--color-text-light);
}

.contact-social {
  display: flex;
  gap: .75rem;
  margin-top: 2rem;
}

.contact-social a {
  width: 42px;
  height: 42px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 1rem;
  transition: all var(--transition);
}

.contact-social a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Form */
.contact-form {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid var(--color-border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  margin-bottom: 1.25rem;
}

.form-group label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-navy);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: .92rem;
  color: var(--color-input-text);
  background: var(--color-input-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(128,128,128,0.5);
}

[data-theme="dark"] .form-group input::placeholder,
[data-theme="dark"] .form-group textarea::placeholder {
  color: rgba(255,255,255,0.3);
}

.form-group select option {
  background: var(--color-bg-card);
  color: var(--color-input-text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(33,150,243,.12);
}

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

.form-note {
  font-size: .78rem;
  color: var(--color-text-light);
  text-align: center;
  margin-top: .75rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-footer-bg);
  border-top: 1px solid var(--color-footer-border);
  transition: background var(--transition), border-color var(--transition);
}

.footer-top {
  padding: 4rem 0 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
}

.footer-logo {
  height: 55px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  margin-bottom: 1rem;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

.footer-logo {
  height: 50px;
  width: auto;
  object-fit: contain;
  margin-bottom: 1rem;
}

.footer-logo.logo-dark { display: none; }
.footer-logo.logo-light { display: block; }

[data-theme="light"] .footer-logo.logo-dark { display: block; }
[data-theme="light"] .footer-logo.logo-light { display: none; }

.footer-brand p {
  font-size: .88rem;
  color: var(--color-footer-text);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: .75rem;
}

.footer-social a {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.6);
  font-size: .95rem;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.footer-links h4,
.footer-contact h4 {
  font-family: var(--font-family);
  font-size: 1rem;
  letter-spacing: 0;
  font-weight: 700;
  color: var(--color-footer-title);
  margin-bottom: 1.25rem;
}

.footer-links ul li {
  margin-bottom: .65rem;
}

.footer-links ul li a {
  font-size: .88rem;
  color: var(--color-footer-text);
  transition: color var(--transition);
}

.footer-links ul li a:hover {
  color: var(--color-accent);
}

.footer-contact p {
  display: flex;
  align-items: center;
  gap: .65rem;
  font-size: .88rem;
  color: var(--color-footer-text);
  margin-bottom: .85rem;
}

.footer-contact p i {
  color: var(--color-accent);
  width: 16px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid var(--color-footer-border);
  padding: 1.5rem 0;
}

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

.footer-bottom p {
  font-size: .85rem;
  color: var(--color-footer-text);
  opacity: 0.8;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  font-size: .85rem;
  color: var(--color-footer-text);
  opacity: 0.8;
  transition: color var(--transition);
}

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

/* ============================================================
   FLOATING ELEMENTS
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 5.5rem;
  right: 1.75rem;
  width: 54px;
  height: 54px;
  background: #25D366;
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  z-index: 999;
  transition: all var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,.5);
}

.back-to-top {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  width: 46px;
  height: 46px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  z-index: 999;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}

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

/* ============================================================
   RESPONSIVE — TABLET (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --container-pad: 1.25rem;
  }

  .d-none-sm { display: none; }

  /* Navbar */
  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-bg-card);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    transition: right var(--transition);
    box-shadow: -4px 0 30px rgba(0,0,0,.3);
    z-index: 1000;
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-link {
    font-size: 1.05rem;
    color: var(--color-text);
  }

  .nav-cta {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  /* Hero */
  .hero-content {
    padding-top: 120px;
    padding-bottom: 60px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-stats {
    gap: 1rem;
  }

  .stat strong {
    font-size: 1.4rem;
  }

  /* Services highlight */
  .services-cards {
    grid-template-columns: 1fr;
  }

  .service-card-sm {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .service-card-sm:last-child {
    border-bottom: none;
  }

  /* Services */
  .services {
    padding: 4rem 0;
  }

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

  /* Projects */
  .projects {
    padding: 4rem 0;
  }

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

  /* Why us */
  .why-us {
    padding: 4rem 0;
  }

  .why-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  /* Testimonials */
  .testimonials {
    padding: 4rem 0;
  }

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

  /* Contact */
  .contact {
    padding: 4rem 0;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 1.75rem;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
  .why-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: .75rem;
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

  .section-title {
    font-size: 1.6rem;
  }
}