/* ============================================================
   Confident IT Consultancy — style.css
   Mobile-first, static, no frameworks
   ============================================================ */

/* ---- Variables ------------------------------------------- */
:root {
  --color-bg:       #00181E;
  --color-surface:  #0D2B33;
  --color-surface-2:#0a2229;
  --color-accent:   #00BFA5;
  --color-accent-2: #7B5EA7;
  --color-text:     #F0EDE8;
  --color-muted:    rgba(240, 237, 232, 0.55);
  --color-border:   rgba(255, 255, 255, 0.08);

  --font-heading: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  --radius:   10px;
  --radius-lg: 16px;
  --shadow:   0 4px 24px rgba(0, 0, 0, 0.35);
  --transition: 0.2s ease;

  --container: 1120px;
  --section-padding: clamp(64px, 8vw, 112px);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px; /* sticky nav height */
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: color-mix(in srgb, var(--color-accent) 80%, white);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

p + p {
  margin-top: 1em;
}

/* ---- Container ------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
}

/* ---- Buttons --------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-accent);
  color: #00181E;
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: color-mix(in srgb, var(--color-accent) 85%, white);
  color: #00181E;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 191, 165, 0.35);
}

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

.btn--outline:hover {
  background: rgba(0, 191, 165, 0.1);
  color: var(--color-accent);
  transform: translateY(-2px);
}

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

/* ---- Navigation ------------------------------------------ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 72px;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(13, 43, 51, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
}

.nav__logo img {
  height: 36px;
  width: auto;
}

.nav__links {
  display: none;
  align-items: center;
  gap: 8px;
}

.nav__links a {
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}

.nav__links a:hover {
  color: var(--color-accent);
  background: rgba(0, 191, 165, 0.08);
}

.nav__cta-link {
  color: var(--color-accent) !important;
  border: 1px solid rgba(0, 191, 165, 0.4) !important;
  margin-left: 8px;
}

.nav__cta-link:hover {
  background: rgba(0, 191, 165, 0.12) !important;
  border-color: var(--color-accent) !important;
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  transition: background var(--transition);
}

.nav__hamburger:hover {
  background: rgba(255, 255, 255, 0.06);
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

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

.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

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

/* Mobile nav open state */
.nav__links.open {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(13, 43, 51, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--color-border);
  padding: 16px clamp(20px, 5vw, 48px) 24px;
  gap: 4px;
}

.nav__links.open a {
  font-size: 1rem;
  padding: 12px 16px;
}

.nav__links.open .nav__cta-link {
  margin-left: 0;
  margin-top: 8px;
  text-align: center;
  justify-content: center;
}

/* ---- Section base ---------------------------------------- */
.section {
  padding: var(--section-padding) 0;
}

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

.section__header {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 64px);
}

.section__header h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 12px;
}

.section__intro {
  color: var(--color-muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ---- Hero ------------------------------------------------ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 191, 165, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 191, 165, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 100%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
  padding: 6px 14px;
  border: 1px solid rgba(0, 191, 165, 0.3);
  border-radius: 100px;
  background: rgba(0, 191, 165, 0.06);
}

.hero h1 {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero h1 br {
  display: block;
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--color-muted);
  max-width: 600px;
  margin-bottom: 36px;
  line-height: 1.75;
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(0, 191, 165, 0.3);
  border-radius: 50%;
  color: var(--color-accent);
  animation: scrollBounce 2.2s ease-in-out infinite;
  transition: background var(--transition), border-color var(--transition);
  text-decoration: none;
}

.hero__scroll:hover {
  background: rgba(0, 191, 165, 0.1);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0);    opacity: 0.7; }
  50%       { transform: translateX(-50%) translateY(8px); opacity: 1;   }
}

/* ---- Diensten cards -------------------------------------- */
.diensten__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 36px);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(0, 191, 165, 0.2);
}

.card--security {
  border-color: rgba(123, 94, 167, 0.2);
}

.card--security:hover {
  border-color: rgba(123, 94, 167, 0.45);
  box-shadow: 0 4px 24px rgba(123, 94, 167, 0.2);
}

.card--accent:hover {
  border-color: rgba(0, 191, 165, 0.4);
  box-shadow: 0 4px 24px rgba(0, 191, 165, 0.12);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(0, 191, 165, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.card__icon--security {
  background: rgba(123, 94, 167, 0.12);
  color: var(--color-accent-2);
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.card p {
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ---- Sectoren -------------------------------------------- */
.sectoren__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.sector-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: clamp(20px, 3vw, 28px);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), border-color var(--transition);
}

.sector-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 191, 165, 0.2);
}

.sector-card__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0, 191, 165, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-top: 2px;
}

.sector-card__body {
  flex: 1;
  min-width: 0;
}

.sector-card__body h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.sector-card__body p {
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0;
}

/* ---- Werkwijze ------------------------------------------- */
.werkwijze__steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  width: 100%;
}

.step__number {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(0, 191, 165, 0.08);
  border: 2px solid rgba(0, 191, 165, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.step__body {
  padding-top: 8px;
}

.step__body h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.step__body p {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin: 0;
}

.step__connector {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(0, 191, 165, 0.25), rgba(0, 191, 165, 0.05));
  margin-left: 27px; /* center under .step__number (56px / 2 - 1px) */
  align-self: stretch;
}

.werkwijze__cta {
  text-align: center;
  margin-top: 48px;
}

/* ---- Over mij -------------------------------------------- */
.over__grid {
  display: flex;
  flex-direction: column;
  gap: clamp(32px, 5vw, 64px);
}

.over__photo {
  display: flex;
  justify-content: center;
}

.over__photo-wrap {
  width: min(320px, 100%);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

.over__photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.over__text h2 {
  font-size: clamp(1.6rem, 4vw, 2.25rem);
  margin-bottom: 20px;
}

.over__greeting {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 16px !important;
}

.over__text p {
  color: var(--color-muted);
  line-height: 1.75;
}

.over__quote {
  margin-top: 28px;
  padding: 20px 24px;
  border-left: 3px solid var(--color-accent);
  background: rgba(0, 191, 165, 0.06);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.over__quote p {
  font-style: italic;
  font-size: 1.05rem;
  color: var(--color-text) !important;
  margin: 0 !important;
}

/* ---- Referenties ----------------------------------------- */
.testimonials {
  max-width: 760px;
  margin: 0 auto;
}

.testimonial {
  text-align: center;
  padding: clamp(32px, 5vw, 52px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  position: relative;
}

.testimonial::before {
  content: '\201C';
  position: absolute;
  top: 20px;
  left: 32px;
  font-size: 5rem;
  line-height: 1;
  font-family: var(--font-heading);
  color: var(--color-accent);
  opacity: 0.3;
  pointer-events: none;
}

.testimonial blockquote p {
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.75;
  font-style: italic;
  color: var(--color-text);
  margin: 0;
}

.testimonial figcaption {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.testimonial figcaption strong {
  font-family: var(--font-heading);
  font-size: 0.95rem;
}

.testimonial figcaption span {
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* ---- Contact form ---------------------------------------- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  max-width: 900px;
  margin: 0 auto;
}

.contact__form-intro {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form__group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
}

.required {
  color: var(--color-accent);
}

.optional {
  color: var(--color-muted);
  font-weight: 400;
}

.form__group input,
.form__group textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.5;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  outline: none;
}

.form__group input::placeholder,
.form__group textarea::placeholder {
  color: rgba(240, 237, 232, 0.3);
}

.form__group input:focus,
.form__group textarea:focus {
  border-color: rgba(0, 191, 165, 0.5);
  box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.1);
}

.form__group textarea {
  resize: vertical;
  min-height: 130px;
}

.form__feedback {
  min-height: 24px;
  font-size: 0.9rem;
  border-radius: var(--radius);
  padding: 0;
  transition: all var(--transition);
}

.form__feedback.success {
  color: var(--color-accent);
  background: rgba(0, 191, 165, 0.08);
  border: 1px solid rgba(0, 191, 165, 0.2);
  padding: 12px 16px;
}

.form__feedback.error {
  color: #ff7875;
  background: rgba(255, 120, 117, 0.08);
  border: 1px solid rgba(255, 120, 117, 0.2);
  padding: 12px 16px;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 28px;
  justify-content: center;
}

.contact__info-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.contact__info-block h3 {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.contact__email {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-accent);
  transition: gap var(--transition);
}

.contact__email:hover {
  color: color-mix(in srgb, var(--color-accent) 80%, white);
}


.contact__location {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* ---- Footer ---------------------------------------------- */
.footer {
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer__logo img {
  height: 28px;
  width: auto;
  opacity: 0.8;
  transition: opacity var(--transition);
}

.footer__logo:hover img {
  opacity: 1;
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin: 0;
}

/* ---- Scroll animations ----------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

/* ---- Responsive: tablet ---------------------------------- */
@media (min-width: 640px) {
  .diensten__grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .over__photo-wrap {
    width: min(380px, 100%);
  }
}

/* ---- Responsive: desktop --------------------------------- */
@media (min-width: 900px) {
  .nav__hamburger {
    display: none;
  }

  .nav__links {
    display: flex;
  }

  .werkwijze__steps {
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
  }

  .step {
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
  }

  .step__body {
    padding-top: 0;
  }

  .step__connector {
    width: auto;
    height: 2px;
    flex: 1;
    margin-left: 0;
    margin-top: 27px; /* center with step numbers */
    background: linear-gradient(to right, rgba(0, 191, 165, 0.25), rgba(0, 191, 165, 0.05));
    align-self: auto;
  }

  .over__grid {
    flex-direction: row;
    align-items: center;
  }

  .over__photo {
    flex: 0 0 340px;
    justify-content: flex-start;
  }

  .over__photo-wrap {
    width: 100%;
    max-width: 340px;
  }

  .contact__grid {
    grid-template-columns: 1fr 320px;
    gap: 64px;
    align-items: start;
  }

  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .sectoren__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---- Reduced motion -------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade-in { opacity: 1; transform: none; transition: none; }
  .btn:hover { transform: none; }
  .card:hover { transform: none; }
  .hero__scroll-dot { animation: none; }
}