/*
  DK Tech Studio CSS — Complete Rebuild
  All legacy CSS has been deleted. This stylesheet is 100% new, modern, and production-ready.
  Author: Senior Front-End Architect
  Date: January 6, 2026
*/

/* =========================
   1. CSS Reset & Base Setup
   ========================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border: 0;
}
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  min-height: 100vh;
  font-family: "Inter", "Segoe UI", "Roboto", "Arial", sans-serif;
  background: linear-gradient(
    120deg,
    var(--color-teal-blue) 0%,
    var(--color-moonstone-blue) 100%
  );
  color: var(--color-teal-blue);
  line-height: 1.6;
  overflow-x: hidden;
}

/* =========================
   2. Root Variables: Colors & Sizing
   ========================= */
:root {
  --color-teal-blue: #367588;
  --color-moonstone-blue: #73aace;
  --color-powder-blue: #b6d6e7;
  --color-magic-mint: #aaf0d1;
  --color-white-smoke: #f5f5f5;

  --gradient-hero: linear-gradient(
    135deg,
    var(--color-teal-blue) 0%,
    var(--color-magic-mint) 100%
  );
  --gradient-section: linear-gradient(
    120deg,
    var(--color-moonstone-blue) 0%,
    var(--color-powder-blue) 100%
  );
  --gradient-card: linear-gradient(
    120deg,
    var(--color-magic-mint) 0%,
    var(--color-white-smoke) 100%
  );

  --shadow-soft: 0 4px 32px 0 rgba(55, 120, 136, 0.12);
  --shadow-glow: 0 0 24px 0 rgba(170, 240, 209, 0.18);

  --radius-lg: 2rem;
  --radius-md: 1rem;
  --radius-sm: 0.5rem;

  --transition-fast: 0.18s cubic-bezier(0.4, 0.8, 0.4, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0.8, 0.4, 1);
}

/* =========================
   3. Typography
   ========================= */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Inter", "Segoe UI", "Roboto", "Arial", sans-serif;
  font-weight: 700;
  color: var(--color-teal-blue);
  letter-spacing: 0.01em;
}
h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.1;
}
h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}
h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}
h4 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
}
p,
li,
span,
a {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--color-teal-blue);
}
a {
  text-decoration: none;
  color: var(--color-moonstone-blue);
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-magic-mint);
}

/* =========================
   NAVBAR / HEADER
   ========================= */
.navbar {
  position: sticky;
  top: 12px;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  background: linear-gradient(
    180deg,
    rgba(245, 245, 245, 0.28),
    rgba(245, 245, 245, 0.12)
  );
  border-radius: 1.25rem;
  box-shadow: 0 6px 24px rgba(18, 45, 52, 0.06);
  backdrop-filter: blur(6px);
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  color: var(--color-teal-blue);
}
.navbar-logo {
  width: 44px;
  height: 28px;
  display: block;
}
.navbar-links {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  list-style: none;
}
.navbar-links a {
  color: var(--color-teal-blue);
  padding: 0.35rem 0.5rem;
  border-radius: 0.5rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}
.navbar-links a:hover {
  color: var(--color-magic-mint);
  transform: translateY(-2px);
}
.navbar-toggle {
  display: none;
  cursor: pointer;
  width: 40px;
  height: 32px;
  align-items: center;
  justify-content: center;
}
.navbar-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-teal-blue);
  margin: 4px 0;
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.navbar-toggle.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.navbar-toggle.open span:nth-child(2) {
  opacity: 0;
  transform: scale(0.8);
}
.navbar-toggle.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile nav behavior */
@media (max-width: 900px) {
  .navbar {
    padding: 0.5rem 1rem;
    margin: 0 0.5rem;
  }
  .navbar-links {
    position: fixed;
    top: 68px;
    right: 0;
    background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.98),
      rgba(255, 255, 255, 0.94)
    );
    box-shadow: 0 8px 36px rgba(18, 45, 52, 0.08);
    border-radius: 12px 0 0 12px;
    padding: 1.25rem;
    flex-direction: column;
    display: none;
    min-width: 220px;
  }
  .navbar-links.active {
    display: flex;
  }
  .navbar-toggle {
    display: flex;
  }
}

/* =========================
   4. Layout Containers
   ========================= */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.section {
  width: 100%;
  padding: 4rem 0;
  background: var(--gradient-section);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

/* =========================
   5. Hero Section
   ========================= */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: var(--gradient-hero);
  position: relative;
  z-index: 1;
  overflow: hidden;
}
.hero__content {
  z-index: 2;
  text-align: center;
  padding: 3rem 2rem;
  background: rgba(245, 245, 245, 0.7);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow);
  backdrop-filter: blur(6px);
}
.hero__svg-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.7;
  filter: blur(2px) brightness(1.1);
  animation: svgFloat 18s ease-in-out infinite alternate;
}
@keyframes svgFloat {
  0% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-30px) scale(1.04);
  }
  100% {
    transform: translateY(0) scale(1);
  }
}

.hero-tagline {
  font-size: clamp(1.05rem, 2.6vw, 1.4rem);
  color: rgba(15, 34, 42, 0.9);
  margin-bottom: 0.75rem;
  font-weight: 600;
  text-shadow: 0 4px 18px rgba(170, 240, 209, 0.08);
}
.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 0.5rem;
}

/* =========================
   6. About & Services Sections
   ========================= */
.about {
  background: var(--gradient-section);
  box-shadow: var(--shadow-soft);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  position: relative;
}
.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  background: var(--gradient-section);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 3rem 2rem;
  position: relative;
}

/* =========================
   7. Service Cards & SVG Icons
   ========================= */
.service-card {
  background: var(--gradient-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft), var(--shadow-glow);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  transition: transform var(--transition-fast),
    box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 8px 40px 0 rgba(55, 120, 136, 0.18), var(--shadow-glow);
}
.service-card__icon {
  width: 64px;
  height: 64px;
  margin-bottom: 0.5rem;
  display: block;
  filter: drop-shadow(0 0 12px var(--color-magic-mint));
  animation: svgDrift 7s ease-in-out infinite alternate;
}
@keyframes svgDrift {
  0% {
    transform: translateY(0) rotate(-2deg) scale(1);
  }
  50% {
    transform: translateY(-10px) rotate(3deg) scale(1.08);
  }
  100% {
    transform: translateY(0) rotate(-2deg) scale(1);
  }
}

/* =========================
   8. Reusable Components
   ========================= */
.button {
  display: inline-block;
  padding: 0.75em 2em;
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 600;
  color: var(--color-white-smoke);
  background: linear-gradient(
    90deg,
    var(--color-teal-blue) 0%,
    var(--color-magic-mint) 100%
  );
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glow);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast),
    box-shadow var(--transition-fast), transform var(--transition-fast);
  position: relative;
  overflow: hidden;
}
.button:hover {
  background: linear-gradient(
    90deg,
    var(--color-magic-mint) 0%,
    var(--color-teal-blue) 100%
  );
  box-shadow: 0 0 32px 0 var(--color-magic-mint);
  transform: scale(1.04);
}

.button.sent {
  background: linear-gradient(
    90deg,
    var(--color-magic-mint),
    var(--color-powder-blue)
  );
  box-shadow: 0 8px 36px rgba(170, 240, 209, 0.18);
  transform: translateY(-2px);
}

/* =========================
   9. SVG Styling & Animation
   ========================= */
svg {
  display: block;
  max-width: 100%;
  height: auto;
  stroke: var(--color-teal-blue);
  fill: var(--color-magic-mint);
  filter: drop-shadow(0 0 16px var(--color-moonstone-blue));
  transition: filter var(--transition-fast), transform var(--transition-fast);
}
svg.organic {
  stroke-width: 2.5;
  fill: url(#organicGradient);
  animation: svgMorph 12s ease-in-out infinite alternate;
}
@keyframes svgMorph {
  0% {
    filter: blur(0px) brightness(1);
  }
  50% {
    filter: blur(2px) brightness(1.08);
  }
  100% {
    filter: blur(0px) brightness(1);
  }
}

/* Performance & layout fine-tuning */
.hero__content {
  width: min(92%, 980px);
  max-width: 980px;
}
.hero__svg-bg svg {
  will-change: transform;
}
.service-card h3 {
  margin: 0.25rem 0 0;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
}
.service-card p {
  margin: 0;
  color: var(--color-moonstone-blue);
  text-align: center;
}
.contact-form-block form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.button {
  min-width: 140px;
}

/* =========================
   10. Section-Specific Styles
   ========================= */

/* SVG Divider */
.svg-divider {
  width: 100%;
  margin: 0;
  overflow: visible;
  pointer-events: none;
}
.svg-divider svg {
  width: 100%;
  height: 64px;
  display: block;
}
.svg-divider-path {
  opacity: 0.7;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.04));
  transition: opacity var(--transition-fast);
}

/* About */
.about .container {
  align-items: center;
}
.about-visual {
  flex: 1 1 40%;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 420px;
}
.about-visual svg {
  width: calc(100% - 2rem);
  height: auto;
  transform-origin: center;
}
.about-text {
  flex: 1 1 55%;
  text-align: left;
  background: rgba(255, 255, 255, 0.9);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 6px 32px rgba(18, 45, 52, 0.04);
}
.about-lead {
  color: var(--color-moonstone-blue);
  font-weight: 600;
  margin-bottom: 1rem;
}
.about-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.8rem;
}
.about-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-teal-blue);
}
.about-features svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* Services grid (fallback for .grid inside .services) */
.section.services .grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
  width: 100%;
}
@media (min-width: 700px) {
  .section.services .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1100px) {
  .section.services .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Why timeline */
.why-timeline {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.why-point {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.why-svg-connector {
  width: 84px;
  height: 28px;
  flex-shrink: 0;
}
.why-content {
  background: rgba(255, 255, 255, 0.92);
  border-radius: 0.75rem;
  padding: 0.9rem 1.25rem;
  box-shadow: 0 4px 24px rgba(18, 45, 52, 0.04);
}

/* Contact */
.contact-visual {
  flex: 1 1 40%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-form-block {
  flex: 1 1 48%;
  background: rgba(255, 255, 255, 0.95);
  padding: 1.5rem;
  border-radius: 1rem;
  box-shadow: 0 6px 24px rgba(18, 45, 52, 0.04);
}
.contact-info {
  flex: 0 0 28%;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 1rem;
  padding: 1.25rem;
  box-shadow: 0 6px 24px rgba(18, 45, 52, 0.04);
  align-items: flex-start;
  justify-content: center;
}
.contact-info h3 {
  margin: 0 0 0.4rem 0;
  color: var(--color-teal-blue);
}
.contact-info .info-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--color-moonstone-blue);
}
.contact-info svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 6px rgba(55, 120, 136, 0.06));
}
.contact-info a {
  color: var(--color-teal-blue);
  font-weight: 600;
  text-decoration: none;
}
.contact-info a:hover {
  color: var(--color-magic-mint);
  text-decoration: underline;
  transform: translateY(-1px);
}
.contact-fields {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.contact-fields input,
.contact-fields textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 0.6rem;
  border: none;
  background: var(--color-white-smoke);
  box-shadow: 0 2px 12px rgba(18, 45, 52, 0.04);
  font-size: inherit;
  color: var(--color-moonstone-blue);
  outline: none;
  transition: box-shadow var(--transition-fast),
    transform var(--transition-fast);
}
.contact-fields input:focus,
.contact-fields textarea:focus {
  box-shadow: 0 6px 28px rgba(170, 240, 209, 0.12);
  transform: translateY(-2px);
}

/* Footer content */
.footer-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  align-items: center;
  font-size: 0.95rem;
  color: var(--color-teal-blue);
}
@media (min-width: 900px) {
  .footer-content {
    flex-direction: row;
    justify-content: center;
    gap: 1.5rem;
  }
}

/* Reveal & initial hidden states (for JS-driven .is-visible) */
.service-card,
.why-point,
.about-text,
.contact-form-block,
.contact-info,
.hero__content {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.service-card.is-visible,
.why-point.is-visible,
.about-text.is-visible,
.contact-form-block.is-visible,
.contact-info.is-visible,
.hero__content.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Ripple effect */
.ripple {
  position: absolute;
  width: 12px;
  height: 12px;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 999px;
  transform: scale(0);
  pointer-events: none;
  opacity: 0.9;
  animation: rippleAnim 600ms ease-out forwards;
}
@keyframes rippleAnim {
  to {
    transform: scale(18);
    opacity: 0;
  }
}

/* Small helpers */
.container .about-text p {
  color: var(--color-teal-blue);
}

/* End of Section-Specific Styles */

@media (min-width: 700px) {
  .about .container {
    flex-direction: row;
  }
  .contact .container {
    flex-direction: row;
  }
}

/* =========================
   11. Footer & SVG Divider
   ========================= */
.footer {
  background: var(--color-white-smoke);
  color: var(--color-teal-blue);
  text-align: center;
  padding: 2rem 1rem 1rem 1rem;
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  box-shadow: 0 -2px 24px 0 rgba(55, 120, 136, 0.08);
  position: relative;
  overflow: hidden;
}
.footer__svg-divider {
  position: absolute;
  top: -32px;
  left: 0;
  width: 100%;
  height: 48px;
  z-index: 0;
  pointer-events: none;
  opacity: 0.8;
  filter: blur(1px);
  animation: svgFloat 18s ease-in-out infinite alternate;
}

/* =========================
   12. Responsive Breakpoints
   ========================= */
@media (max-width: 1100px) {
  .container {
    padding: 1.75rem 1rem;
  }
  .hero__content {
    padding: 2.5rem 1.25rem;
  }
}
@media (max-width: 900px) {
  .container {
    max-width: 900px;
    padding: 1.5rem 1rem;
  }
  .section,
  .about,
  .services {
    padding: 2rem 1rem;
  }
  .about-text,
  .contact-form-block {
    padding: 1.25rem;
  }
}
@media (max-width: 600px) {
  .container {
    max-width: 100%;
    padding: 0.75rem 0.75rem;
  }
  .section,
  .about,
  .services {
    padding: 1.25rem 0.5rem;
    border-radius: calc(var(--radius-md) * 0.9);
  }
  .service-card {
    padding: 1rem 0.75rem;
    border-radius: calc(var(--radius-sm) * 0.9);
    box-shadow: 0 4px 18px rgba(18, 45, 52, 0.04);
  }
  h1 {
    font-size: clamp(1.8rem, 8vw, 2.2rem);
  }
  .hero__content {
    width: min(96%, 540px);
    padding: 1.5rem;
  }
  .about-text,
  .contact-form-block {
    width: 100%;
  }
  .navbar {
    top: 8px;
  }
  .footer {
    padding: 1.25rem 0.75rem 0.75rem 0.75rem;
  }
  .button {
    padding: 0.65em 1.25em;
    min-width: 120px;
  }
  .hero__svg-bg {
    opacity: 0.62;
    filter: blur(1.5px) brightness(1.03);
  }
}

/* Accessibility & reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .hero__svg-bg {
    animation: none !important;
  }
}

/* =========================
   13. Animations & Parallax
   ========================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
.parallax {
  will-change: transform;
  transition: transform var(--transition-slow);
}

/* =========================
   14. Utility Classes
   ========================= */
.flex {
  display: flex;
}
.grid {
  display: grid;
}
.gap-lg {
  gap: 2rem;
}
.gap-md {
  gap: 1rem;
}
.gap-sm {
  gap: 0.5rem;
}
.mt-lg {
  margin-top: 2rem;
}
.mt-md {
  margin-top: 1rem;
}
.mt-sm {
  margin-top: 0.5rem;
}

/* =========================
   15. Hide Scrollbar (for overlays/parallax)
   ========================= */
::-webkit-scrollbar {
  width: 0.5em;
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--color-moonstone-blue);
  border-radius: var(--radius-md);
}

/* End of DK Tech Studio CSS Rebuild */