/* =========================================================
   Dashami Tech Systems — Stylesheet
   Modern / Corporate / Technology theme
   Organized by section. Mobile-first with breakpoints at
   640px (tablet) and 1024px (desktop).
   ========================================================= */

/* ---------- 1. Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  /* Colour palette */
  --color-navy: #0b2545;
  --color-navy-dark: #081a33;
  --color-blue: #1657c4;
  --color-blue-light: #2f7ff5;
  --color-blue-pale: #eaf1fd;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fb;
  --color-text: #1c2733;
  --color-text-light: #55606f;
  --color-border: #e2e8f0;
  --color-whatsapp: #25d366;
  --color-whatsapp-dark: #1eb257;
  --color-success: #1a9d5a;

  /* Typography */
  --font-base: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;

  /* Layout */
  --max-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 2px 8px rgba(11, 37, 69, 0.06);
  --shadow-md: 0 8px 24px rgba(11, 37, 69, 0.10);
  --shadow-lg: 0 16px 40px rgba(11, 37, 69, 0.14);
  --transition: 0.25s ease;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  width: 100%;
}

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
  position: relative;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  margin: 0 0 0.6em 0;
  color: var(--color-navy);
  font-weight: 700;
}

p {
  margin: 0 0 1em 0;
  color: var(--color-text-light);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 64px 0;
}

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

.section-heading {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px auto;
}

.section-heading .eyebrow {
  display: inline-block;
  color: var(--color-blue);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 10px;
}

.section-heading h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: 10px;
}

.section-heading p {
  margin: 0 auto;
}

/* ---------- 2. Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

/* Subtle diagonal shine sweep on hover */
.btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: -60%;
  width: 40%;
  height: 100%;
  background: linear-gradient(115deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.35) 50%, rgba(255, 255, 255, 0) 100%);
  transform: skewX(-20deg);
  pointer-events: none;
  transition: left 0.6s ease;
}

.btn:hover::after {
  left: 130%;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--color-blue);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-blue-light);
  box-shadow: 0 10px 26px rgba(22, 87, 196, 0.32);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

.btn-outline-dark {
  background: transparent;
  border-color: var(--color-navy);
  color: var(--color-navy);
}

.btn-outline-dark:hover {
  background: var(--color-navy);
  color: #fff;
}

.btn-whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-whatsapp:hover {
  background: var(--color-whatsapp-dark);
  box-shadow: 0 10px 26px rgba(37, 211, 102, 0.35);
}

.btn-outline-dark {
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}

.btn-outline-dark:hover {
  box-shadow: var(--shadow-md);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.88rem;
}

.btn-block {
  width: 100%;
}

/* ---------- 3. Header / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: saturate(180%) blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  transition: opacity var(--transition);
}

.logo:hover {
  opacity: 0.82;
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-navy);
  letter-spacing: -0.01em;
}

.logo-text span {
  color: var(--color-blue);
  position: relative;
}

.logo-sub {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-top: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--color-text);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-blue);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-blue);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-whatsapp);
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  box-shadow: var(--shadow-sm);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.header-whatsapp:hover {
  background: var(--color-whatsapp-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35);
}

.header-whatsapp svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.header-whatsapp:hover svg {
  transform: rotate(-8deg) scale(1.1);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--color-navy);
  transition: transform var(--transition), opacity var(--transition);
}

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

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

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

/* ---------- 4. Hero ---------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: #fff;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 82% 20%, rgba(47, 127, 245, 0.25), transparent 45%),
    radial-gradient(circle at 100% 100%, rgba(47, 127, 245, 0.18), transparent 40%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  padding: 72px 0 64px 0;
}

.hero-content .eyebrow {
  display: inline-block;
  color: var(--color-blue-light);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 16px;
}

.hero-content h1 {
  color: #fff;
  font-size: clamp(1.9rem, 4.4vw, 2.9rem);
  margin-bottom: 18px;
  max-width: 14ch;
}

.hero-content p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  max-width: 52ch;
  margin-bottom: 30px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 34px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.88rem;
  font-weight: 600;
}

.hero-points svg {
  width: 16px;
  height: 16px;
  color: var(--color-blue-light);
  flex-shrink: 0;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: 70%;
  padding-top: 70%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 127, 245, 0.22) 0%, rgba(47, 127, 245, 0) 70%);
  animation: pulseGlow 4.5s ease-in-out infinite;
  pointer-events: none;
}

.hero-visual svg {
  width: 100%;
  max-width: 420px;
  height: auto;
  position: relative;
  animation: floatY 5s ease-in-out infinite;
}

.hero-visual .node-pulse {
  animation: nodePulse 2.4s ease-in-out infinite;
  transform-origin: center;
  transform-box: fill-box;
}

.hero-visual .node-pulse:nth-of-type(2) {
  animation-delay: 0.4s;
}

.hero-visual .node-pulse:nth-of-type(3) {
  animation-delay: 0.8s;
}

/* ---------- 5. Page Header (interior pages) ---------- */
.page-header {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: #fff;
  padding: 56px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 85% 15%, rgba(47, 127, 245, 0.25), transparent 45%);
  pointer-events: none;
}

.page-header .breadcrumb {
  position: relative;
  color: var(--color-blue-light);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 12px;
}

.page-header h1 {
  position: relative;
  color: #fff;
  font-size: clamp(1.7rem, 3.6vw, 2.4rem);
  margin-bottom: 12px;
}

.page-header p {
  position: relative;
  color: rgba(255, 255, 255, 0.8);
  max-width: 560px;
  margin: 0 auto;
}

/* ---------- 6. About Section ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.about-visual {
  background: var(--color-blue-pale);
  border-radius: var(--radius-lg);
  padding: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-visual svg {
  width: 100%;
  max-width: 340px;
  height: auto;
}

.about-text .eyebrow {
  display: inline-block;
  color: var(--color-blue);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 12px;
}

.about-text h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 16px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.about-stats .stat {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.about-stats .stat strong {
  display: block;
  color: var(--color-navy);
  font-size: 1rem;
  margin-bottom: 4px;
}

.about-stats .stat span {
  color: var(--color-text-light);
  font-size: 0.85rem;
}

/* ---------- 7. Cards: Services ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.service-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-navy), var(--color-blue), var(--color-blue-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(22, 87, 196, 0.12);
  border-color: rgba(22, 87, 196, 0.25);
}

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

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--color-blue-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  transition: background var(--transition), transform var(--transition);
}

.service-icon svg {
  width: 26px;
  height: 26px;
  color: var(--color-blue);
  transition: color var(--transition), transform var(--transition);
}

.service-card:hover .service-icon {
  background: var(--color-blue);
  transform: translateY(-2px);
}

.service-card:hover .service-icon svg {
  color: #fff;
  transform: scale(1.1) rotate(-6deg);
}

.service-card h3 {
  font-size: 1.12rem;
  margin-bottom: 8px;
}

.service-card p {
  font-size: 0.94rem;
  margin-bottom: 0;
}

.service-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-blue);
  transition: gap var(--transition);
}

.service-card:hover .card-link {
  gap: 10px;
}

.services-preview-footer {
  text-align: center;
  margin-top: 40px;
}

/* Detailed service blocks (services page) */
.service-detail {
  position: relative;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-detail::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-navy), var(--color-blue), var(--color-blue-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-detail:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(22, 87, 196, 0.25);
}

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

.service-detail-header .service-icon {
  margin-bottom: 0;
  flex-shrink: 0;
}

.service-detail:hover .service-detail-header .service-icon {
  background: var(--color-blue);
  transform: translateY(-2px);
}

.service-detail:hover .service-detail-header .service-icon svg {
  color: #fff;
  transform: scale(1.1) rotate(-6deg);
}

.service-points li {
  transition: transform var(--transition);
}

.service-detail:hover .service-points li {
  transform: translateX(2px);
}

.service-detail-header h3 {
  margin-bottom: 0;
  font-size: 1.2rem;
}

.service-points {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}

.service-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.93rem;
  color: var(--color-text-light);
}

.service-points svg {
  width: 16px;
  height: 16px;
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 3px;
}

/* ---------- 8. Why Choose Us ---------- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.why-card {
  text-align: center;
  padding: 28px 20px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.why-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.why-icon {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px auto;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.why-card:hover .why-icon {
  background: var(--color-blue);
  transform: scale(1.08) rotate(-6deg);
  box-shadow: 0 8px 20px rgba(22, 87, 196, 0.3);
}

.why-icon svg {
  width: 26px;
  height: 26px;
}

.why-card h3 {
  font-size: 1.02rem;
  margin-bottom: 6px;
}

.why-card p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ---------- 9. Portfolio ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
}

.filter-btn {
  position: relative;
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.filter-btn:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
  transform: translateY(-2px);
}

.filter-btn.active {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: #fff;
  box-shadow: 0 8px 18px rgba(22, 87, 196, 0.28);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.portfolio-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(22, 87, 196, 0.2);
}

.portfolio-thumb {
  aspect-ratio: 4 / 3;
  background: var(--color-blue-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.portfolio-thumb svg {
  width: 46%;
  height: 46%;
  color: var(--color-blue);
  opacity: 0.85;
  transition: transform 0.45s ease;
}

.portfolio-card:hover .portfolio-thumb svg {
  transform: scale(1.12) rotate(2deg);
}

/* Richer multi-tone project illustrations (replace the plain single-icon
   thumbnails with a small themed graphic per project). */
.portfolio-illustration {
  width: 72% !important;
  height: 72% !important;
  opacity: 1 !important;
  filter: drop-shadow(0 6px 14px rgba(11, 37, 69, 0.16));
}

.portfolio-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 37, 69, 0.85);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  z-index: 2;
  transition: transform var(--transition);
}

.portfolio-card:hover .portfolio-tag {
  transform: translateY(-2px);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  padding: 18px;
  background: linear-gradient(180deg, rgba(11, 37, 69, 0) 45%, rgba(8, 26, 51, 0.82) 100%);
  opacity: 0;
  transition: opacity var(--transition);
}

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

.portfolio-overlay span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  transform: translateY(8px);
  transition: transform var(--transition);
}

.portfolio-card:hover .portfolio-overlay span {
  transform: translateY(0);
}

.portfolio-overlay svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.portfolio-card:hover .portfolio-overlay svg {
  transform: translateX(4px);
}

.portfolio-body {
  padding: 22px 22px 24px 22px;
}

.portfolio-body .category {
  display: inline-block;
  color: var(--color-blue);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.portfolio-body h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  transition: color var(--transition);
}

.portfolio-card:hover .portfolio-body h3 {
  color: var(--color-blue);
}

.portfolio-body p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.portfolio-note {
  margin-top: 44px;
  background: var(--color-bg-alt);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  text-align: center;
}

.portfolio-note p {
  margin-bottom: 0;
  font-size: 0.92rem;
}

/* ---------- 10. Final CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 15% 85%, rgba(47, 127, 245, 0.22), transparent 45%);
  pointer-events: none;
}

.cta-band .container {
  position: relative;
}

.cta-band h2 {
  color: #fff;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  max-width: 640px;
  margin: 0 auto 26px auto;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

/* ---------- 11. Contact Page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.contact-info-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.contact-info-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(22, 87, 196, 0.18);
}

.contact-info-card h2 {
  font-size: 1.3rem;
  margin-bottom: 6px;
}

.contact-info-card > p {
  margin-bottom: 26px;
}

.contact-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 0;
  border-top: 1px solid var(--color-border);
  transition: transform var(--transition);
}

.contact-row:hover {
  transform: translateX(3px);
}

.contact-row:first-of-type {
  border-top: none;
}

.contact-row .contact-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--color-blue-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition), transform var(--transition);
}

.contact-row:hover .contact-icon {
  background: var(--color-blue);
  transform: scale(1.08);
}

.contact-row .contact-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-blue);
  transition: color var(--transition);
}

.contact-row:hover .contact-icon svg {
  color: #fff;
}

.contact-row h3 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.contact-row p,
.contact-row a {
  font-size: 0.93rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

.contact-row a:hover {
  color: var(--color-blue);
}

.contact-quick-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 26px;
}

.contact-quick-actions .btn {
  width: 100%;
}

.contact-form-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.contact-form-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(22, 87, 196, 0.18);
}

.contact-form-card h2 {
  font-size: 1.3rem;
  margin-bottom: 6px;
}

.contact-form-card > p {
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 6px;
  color: var(--color-navy);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg-alt);
  transition: border-color var(--transition), background var(--transition);
}

.form-group input,
.form-group textarea {
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-blue);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(22, 87, 196, 0.12);
}

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

.form-note {
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-top: 12px;
}

.form-success {
  display: none;
  background: #eafaf1;
  border: 1px solid #b7ebc9;
  color: #1a7a44;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.form-success.is-visible {
  display: block;
}

.map-section {
  margin-top: 50px;
}

.map-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.map-wrapper iframe {
  width: 100%;
  height: 380px;
  border: 0;
  display: block;
}

/* ---------- 12. Footer ---------- */
.site-footer {
  background: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.72);
  padding: 60px 0 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding-bottom: 40px;
}

.footer-brand .logo-text {
  color: #fff;
}

.footer-brand .logo-text span {
  color: var(--color-blue-light);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.9rem;
  margin-top: 14px;
  max-width: 34ch;
}

.footer-heading {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  display: inline-block;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition), transform var(--transition);
}

.footer-links a:hover {
  color: var(--color-blue-light);
  transform: translateX(4px);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.9rem;
}

.footer-contact svg {
  width: 16px;
  height: 16px;
  color: var(--color-blue-light);
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.72);
}

.footer-contact a:hover {
  color: #fff;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

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

.footer-social svg {
  width: 18px;
  height: 18px;
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- 13. Floating WhatsApp button (mobile) ---------- */
.float-whatsapp {
  position: fixed;
  bottom: 22px;
  right: 22px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 400;
  transition: transform var(--transition), background var(--transition);
}

.float-whatsapp::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--color-whatsapp);
  animation: pingRing 2.6s ease-out infinite;
  z-index: -1;
}

.float-whatsapp:hover {
  transform: scale(1.08);
  background: var(--color-whatsapp-dark);
}

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

/* ---------- 14. Utility ---------- */
.text-center {
  text-align: center;
}

.mt-lg {
  margin-top: 40px;
}

/* Scroll-reveal is progressive enhancement only: elements are fully
   visible by default (safe if JS fails to load), and only animate
   in once JS adds "js-reveal" to <html> and observes them. */
.js-reveal .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Staggered entrance: children of a grid reveal in a short cascade
   rather than all at once. Small, capped delay so long grids don't
   feel sluggish. */
.js-reveal .cards-grid > .reveal:nth-child(2),
.js-reveal .why-grid > .reveal:nth-child(2),
.js-reveal .portfolio-grid > .reveal:nth-child(2) { transition-delay: 0.08s; }
.js-reveal .cards-grid > .reveal:nth-child(3),
.js-reveal .why-grid > .reveal:nth-child(3),
.js-reveal .portfolio-grid > .reveal:nth-child(3) { transition-delay: 0.16s; }
.js-reveal .cards-grid > .reveal:nth-child(4),
.js-reveal .why-grid > .reveal:nth-child(4),
.js-reveal .portfolio-grid > .reveal:nth-child(4) { transition-delay: 0.24s; }
.js-reveal .cards-grid > .reveal:nth-child(5),
.js-reveal .why-grid > .reveal:nth-child(5),
.js-reveal .portfolio-grid > .reveal:nth-child(5) { transition-delay: 0.24s; }
.js-reveal .cards-grid > .reveal:nth-child(6),
.js-reveal .portfolio-grid > .reveal:nth-child(6) { transition-delay: 0.24s; }

/* ---------- Keyframe Animations ---------- */
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.55; transform: scale(0.94); }
  50% { opacity: 1; transform: scale(1.04); }
}

@keyframes nodePulse {
  0%, 100% { opacity: 0.55; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); }
}

@keyframes pingRing {
  0% { transform: scale(1); opacity: 0.45; }
  100% { transform: scale(1.7); opacity: 0; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-content > * {
  animation: fadeInUp 0.7s ease both;
}

.hero-content .eyebrow { animation-delay: 0.05s; }
.hero-content h1 { animation-delay: 0.12s; }
.hero-content p { animation-delay: 0.2s; }
.hero-content .hero-cta { animation-delay: 0.28s; }
.hero-content .hero-points { animation-delay: 0.36s; }

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .js-reveal .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero-visual svg,
  .hero-visual::before,
  .hero-visual .node-pulse,
  .float-whatsapp::before,
  .hero-content > * {
    animation: none !important;
  }
}

/* =========================================================
   Breakpoints
   ========================================================= */

/* Tablet and up */
@media (min-width: 640px) {
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

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

  .contact-quick-actions {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Desktop and up */
@media (min-width: 900px) {
  .hero-inner {
    grid-template-columns: 1.1fr 0.9fr;
    padding: 96px 0 88px 0;
  }

  .about-grid {
    grid-template-columns: 0.9fr 1.1fr;
  }

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

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

  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr 1.15fr;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  }
}

@media (min-width: 1024px) {
  .main-nav {
    display: flex;
  }
}

/* Mobile nav (below 900px) */
@media (max-width: 899px) {
  .hamburger {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(320px, 82vw);
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0;
    padding: 90px 28px 28px 28px;
    box-shadow: -12px 0 32px rgba(11, 37, 69, 0.14);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 450;
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

  .nav-links {
    flex-direction: column;
    gap: 4px;
    width: 100%;
  }

  .nav-links a {
    display: block;
    width: 100%;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links a::after {
    display: none;
  }

  .header-actions.in-nav {
    margin-top: 24px;
    width: 100%;
  }

  .header-actions.in-nav .header-whatsapp {
    width: 100%;
    justify-content: center;
  }

  .nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(8, 26, 51, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 440;
  }

  .nav-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
  }

  body.nav-open {
    overflow: hidden;
  }

  .header-actions > .header-whatsapp {
    display: none;
  }
}

@media (min-width: 900px) {
  .header-actions.in-nav {
    display: none;
  }
}