/*
 * Deka Solutions Website Stylesheet
 *
 * This stylesheet defines the global styles for the Deka Solutions website. The goal of the
 * design is a modern and minimalist look that echoes the company’s vibrant branding. A
 * dark theme provides a professional backdrop while colourful gradients and smooth
 * animations draw attention to key elements. Fonts are sourced from Google Fonts to
 * reflect the typography on the business card.
 */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;700&display=swap');

/* CSS Variables for easy theme tweaking */
:root {
  --color-bg: #0b0b0b;
  --color-card: #171717;
  --color-text: #ffffff;
  --color-accent-start: #fcb045; /* warm yellow/orange */
  --color-accent-mid1: #fd1d1d; /* coral red */
  --color-accent-mid2: #9b3af8; /* purple */
  --color-accent-end: #00b2f6; /* bright blue */
  --transition-speed: 0.3s;
}

/* Global resets */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

h1, h2, h3, h4, h5 {
  font-weight: 700;
}

/* Gradient text helper */
.gradient-text {
  background: linear-gradient(90deg,
    var(--color-accent-start) 0%,
    var(--color-accent-mid1) 40%,
    var(--color-accent-mid2) 70%,
    var(--color-accent-end) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Header */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(11, 11, 11, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
}

.navbar {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.navbar .logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 2px;
}

.navbar nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.navbar nav ul li a {
  font-weight: 500;
  letter-spacing: 1px;
  position: relative;
  padding: 0.5rem;
}

.navbar nav ul li a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-start), var(--color-accent-end));
  transition: width var(--transition-speed);
}

.navbar nav ul li a:hover::after,
.navbar nav ul li a.active-page::after,
.navbar nav ul li a[aria-current="page"]::after {
  width: 100%;
}

.navbar nav ul li a.active-page,
.navbar nav ul li a[aria-current="page"] {
  color: var(--color-accent-end);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 1rem;
}

.hero .brand {
  font-size: clamp(2.5rem, 8vw, 5rem);
  letter-spacing: 4px;
  margin-bottom: 1rem;
}

.hero .tagline {
  font-size: clamp(1.2rem, 3vw, 2rem);
  max-width: 800px;
  margin-bottom: 2rem;
  color: #d1d1d1;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 30px;
  background-image: linear-gradient(90deg,
    var(--color-accent-start), var(--color-accent-end));
  color: #0b0b0b;
  font-weight: 600;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 178, 246, 0.3);
}

/* Section styles */
section {
  padding: 6rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

section h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  text-align: center;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: var(--color-card);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 25px rgba(0, 0, 0, 0.3);
}

.service-card .icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  background: linear-gradient(90deg,
    var(--color-accent-start), var(--color-accent-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.service-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.5rem;
}

.service-card p {
  font-size: 0.95rem;
  color: #c7c7c7;
}

/* Portfolio */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  background-color: var(--color-card);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.portfolio-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-speed);
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

.portfolio-item .overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.7);
  color: var(--color-text);
  font-weight: 500;
  opacity: 0;
  transition: opacity var(--transition-speed);
}

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

/* About Section */
.about-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.about-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
}

.about-row .photo {
  flex: 1 1 150px;
  height: 200px;
  background-color: var(--color-card);
  border-radius: 10px;
  background-size: cover;
  background-position: center;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.about-row .text {
  flex: 2 1 300px;
  font-size: 1rem;
  color: #c7c7c7;
}

/* Contact Section */
.contact-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.contact-details {
  flex: 1 1 250px;
  background-color: var(--color-card);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.contact-details h3 {
  margin-bottom: 1rem;
}

.contact-details p {
  margin-bottom: 0.5rem;
  color: #c7c7c7;
}

.contact-form {
  flex: 2 1 400px;
  background-color: var(--color-card);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.contact-form label {
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  margin-bottom: 1rem;
  border: none;
  border-radius: 5px;
  background-color: #2c2c2c;
  color: var(--color-text);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #888;
}

.contact-form button {
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

/* Footer */
footer {
  background-color: #0a0a0a;
  padding: 2rem 1rem;
  text-align: center;
  font-size: 0.9rem;
  color: #666;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: transform 0.35s ease;
  z-index: 1001;
}

.menu-toggle::before {
  content: none;
}

.menu-toggle:focus-visible {
  outline: none;
}

.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  content: '';
  position: absolute;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent-start), var(--color-accent-mid1), var(--color-accent-mid2), var(--color-accent-end));
  box-shadow: 0 0 12px rgba(0, 178, 246, 0.35);
  transform-origin: left center;
  transition: width 0.38s cubic-bezier(0.65, 0, 0.35, 1),
              left 0.38s cubic-bezier(0.65, 0, 0.35, 1),
              top 0.38s cubic-bezier(0.65, 0, 0.35, 1),
              transform 0.38s cubic-bezier(0.65, 0, 0.35, 1),
              box-shadow 0.38s ease,
              opacity 0.25s ease;
}

.menu-toggle span {
  width: 2px;
  height: 26px;
  left: 13px;
  top: 9px;
  transform: none;
}

.menu-toggle span::before {
  width: 17px;
  left: 2px;
  top: 1px;
  transform: rotate(44deg);
}

.menu-toggle span::after {
  width: 17px;
  left: 2px;
  top: 23px;
  transform: rotate(-44deg);
}

.menu-toggle:hover span,
.menu-toggle:hover span::before,
.menu-toggle:hover span::after,
.menu-toggle:focus-visible span,
.menu-toggle:focus-visible span::before,
.menu-toggle:focus-visible span::after,
.menu-toggle.active span,
.menu-toggle.active span::before,
.menu-toggle.active span::after {
  box-shadow: 0 0 16px rgba(0, 178, 246, 0.55);
}

.menu-toggle.active {
  transform: translateY(-1px);
}

.menu-toggle.active span {
  width: 2px;
  height: 26px;
  left: 13px;
  top: 9px;
  transform: none;
}

.menu-toggle.active span::before {
  width: 17px;
  left: 2px;
  top: 13px;
  transform: rotate(-42deg);
}

.menu-toggle.active span::after {
  width: 17px;
  opacity: 1;
  left: 2px;
  top: 13px;
  transform: rotate(42deg);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .navbar {
    padding: 0.85rem 1rem;
  }

  .navbar .logo {
    font-size: 1.35rem;
  }

  .navbar nav ul {
    flex-direction: column;
    gap: 0.35rem;
    background: linear-gradient(145deg, rgba(11, 11, 11, 0.98), rgba(23, 23, 23, 0.96));
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 1rem;
    right: 1rem;
    width: auto;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    box-shadow: 0 22px 45px rgba(0, 0, 0, 0.35), 0 0 30px rgba(0, 178, 246, 0.12);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-14px) scale(0.98);
    transform-origin: top right;
    transition: opacity var(--transition-speed), visibility var(--transition-speed), transform var(--transition-speed);
  }

  .navbar nav ul.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  .navbar nav ul li a {
    display: block;
    padding: 0.9rem 0.85rem;
    border-radius: 8px;
  }

  .navbar nav ul li a::after {
    left: 0.85rem;
    right: 0.85rem;
    bottom: 0.45rem;
    width: 0;
  }

  .navbar nav ul li a:hover::after,
  .navbar nav ul li a.active-page::after,
  .navbar nav ul li a[aria-current="page"]::after {
    width: calc(100% - 1.7rem);
  }

  .navbar nav ul li a:hover,
  .navbar nav ul li a.active-page,
  .navbar nav ul li a[aria-current="page"] {
    background-color: rgba(255, 255, 255, 0.05);
  }

  .menu-toggle {
    display: block;
    margin-left: auto;
  }

  section {
    padding: 4.5rem 1rem;
  }

  section h2 {
    font-size: 2rem;
    line-height: 1.2;
  }

  .hero {
    min-height: 100svh;
    height: auto;
    padding: 7rem 1.25rem 4rem;
  }

  .hero .brand {
    letter-spacing: 2px;
  }

  .hero .tagline {
    font-size: 1.1rem;
  }

  .services-grid,
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .service-card,
  .contact-details,
  .contact-form {
    padding: 1.4rem;
  }

  .portfolio-item img {
    height: 180px;
  }

  .portfolio-item .overlay {
    position: static;
    opacity: 1;
    background: rgba(0, 0, 0, 0.82);
  }

  .about-row {
    gap: 1.25rem;
  }

  .about-row .photo,
  .about-row .text,
  .contact-details,
  .contact-form {
    flex-basis: 100%;
  }

  .about-row .photo {
    min-height: 220px;
  }

  .contact-wrapper {
    gap: 1.25rem;
  }

  .contact-details p {
    overflow-wrap: anywhere;
  }

  .btn,
  .contact-form button {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 420px) {
  .navbar {
    padding-inline: 0.85rem;
  }

  .navbar nav ul {
    left: 0.85rem;
    right: 0.85rem;
  }

  section {
    padding-inline: 0.85rem;
  }

  .service-card,
  .contact-details,
  .contact-form {
    padding: 1.15rem;
  }
}