/* ============================================================
   SOTIRIOS SERIDIS — Personal Site
   ============================================================ */

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

:root {
  --primary: #09bfae;
  --primary-dark: #07a899;
  --secondary: #ffc65c;
  --bg: #0f1117;
  --dark: #080a10;
  --dark-2: #1a1e2e;
  --text: rgba(255,255,255,0.92);
  --text-muted: rgba(255,255,255,0.55);
  --border: rgba(255,255,255,0.1);
  --card-bg: #161a26;
  --radius: 12px;
  --max-w: 1100px;
}

html { scroll-behavior: smooth; font-size: 17px; }

body {
  font-family: Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

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

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s;
}
.btn--primary { background: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn--secondary { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.3); }
.btn--secondary:hover { border-color: #fff; transform: translateY(-1px); }
.btn--outline { border: 2px solid var(--primary); color: var(--primary); }
.btn--outline:hover { background: var(--primary); color: #fff; transform: translateY(-1px); }

/* ── SECTION HELPERS ── */
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.5rem;
}
.section-sub {
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

/* ── NAV ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--dark);
  border-bottom: 2px solid var(--primary);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav__logo { font-weight: 800; font-size: 1.1rem; color: #fff; letter-spacing: -0.3px; }
.nav__links { display: flex; align-items: center; gap: 1.5rem; }
.nav__link { color: #fff; font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
.nav__link:hover { color: var(--primary); }
.nav__link--whatsapp { color: #25d366; font-weight: 600; }
.nav__link--whatsapp:hover { color: #1ebe5d; }
.nav__burger { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }
.lang-switcher { display: flex; align-items: center; gap: 0.35rem; margin-left: 0.75rem; }
.lang-btn {
  font-size: 0.75rem; font-weight: 700; color: rgba(255,255,255,0.45);
  padding: 0.18rem 0.5rem; border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.12); transition: all 0.2s; letter-spacing: 0.5px;
}
.lang-btn:hover { color: #fff; border-color: rgba(255,255,255,0.35); }
.lang-btn--active { color: var(--primary); border-color: var(--primary); }
.response-link { color: var(--primary); font-weight: 600; text-decoration: underline; }
.response-link:hover { opacity: 0.8; }
.nav__mobile {
  display: none; flex-direction: column;
  background: var(--dark-2); padding: 1rem 1.5rem; gap: 1rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.nav__mobile a { color: #fff; font-size: 1rem; font-weight: 500; }
.nav__mobile--open { display: flex; }

/* ── HERO ── */
.hero {
  background: var(--bg);
  color: #fff;
  padding: 6rem 0 5rem;
  text-align: center;
}
.hero__inner { max-width: 680px; margin: 0 auto; }
.hero__eyebrow {
  font-size: 0.78rem; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--primary); margin-bottom: 1rem;
}
.hero__name {
  font-size: clamp(2.5rem, 6vw, 4.2rem); font-weight: 800;
  letter-spacing: -1px; line-height: 1.1; margin-bottom: 0.75rem; color: #fff;
}
.hero__title {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem); color: rgba(255,255,255,0.75);
  font-weight: 600; margin-bottom: 2rem;
}
.hero__prompt-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.6rem;
  display: block;
  text-align: center;
}

.hero__textarea {
  width: 100%;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 10px;
  color: #fff;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.97rem;
  line-height: 1.7;
  padding: 1rem 1.25rem;
  resize: none;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  margin-bottom: 1.25rem;
  display: block;
}
.hero__textarea::placeholder { color: rgba(255,255,255,0.38); }
.hero__textarea:focus { border-color: var(--primary); background: rgba(255,255,255,0.1); }
.hero__submit {
  display: block;
  width: 100%;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.8rem 1.75rem;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.97rem;
  font-weight: 700;
  cursor: pointer;
  margin-bottom: 1rem;
  transition: background 0.2s, transform 0.2s;
}
.hero__submit:hover { background: var(--primary-dark); transform: translateY(-1px); }
.hero__response {
  display: none;
  background: rgba(9,191,174,0.1);
  border: 1px solid rgba(9,191,174,0.35);
  border-left: 3px solid var(--primary);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
  margin-bottom: 1.25rem;
  text-align: left;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.88);
  line-height: 1.75;
}
.hero__ctas { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* ── STATS BAR ── */
.stats {
  background: var(--dark);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3rem 0;
}
.stats__inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat { padding: 0 1rem; }
.stat + .stat { border-left: 1px solid var(--border); }
.stat__number {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.4rem;
  letter-spacing: -1px;
}
.stat__label { font-size: 0.9rem; color: var(--text-muted); font-weight: 500; }

/* ── VALUE STRIP ── */
.strip {
  background: var(--dark-2);
  border-top: 2px solid var(--primary);
  border-bottom: 2px solid var(--primary);
  padding: 3rem 0;
  text-align: center;
}
.strip__text { font-size: 1.2rem; color: #fff; font-weight: 700; margin-bottom: 0.5rem; }
.strip__text strong { color: var(--primary); }
.strip__sub { font-size: 1rem; color: rgba(255,255,255,0.75); }

/* ── SERVICES ── */
.services { padding: 5rem 0; background: var(--card-bg); text-align: center; }
.services .section-title { margin-bottom: 0.5rem; }
.services .section-sub {
  margin-left: auto;
  margin-right: auto;
  max-width: none;
  white-space: nowrap;
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  text-align: left;
  margin-top: 2.5rem;
}
.service-card {
  display: flex; align-items: flex-start; gap: 1rem;
  background: var(--dark-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.service-card:hover {
  border-color: var(--primary); transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(9,191,174,0.15);
}
.service-card__icon { font-size: 1.4rem; margin-top: 0.1rem; flex-shrink: 0; }
.service-card strong { display: block; font-size: 0.97rem; color: #fff; margin-bottom: 0.3rem; }
.service-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }

/* ── TOOLS ── */
.tools { padding: 5rem 0; background: var(--bg); text-align: center; }
.tools .section-sub { margin-left: auto; margin-right: auto; }
.tools__grid {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  justify-content: center; margin-top: 2.5rem;
}
.tool-pill {
  display: flex; align-items: center; gap: 0.5rem;
  background: var(--dark-2); border: 1px solid var(--border);
  border-radius: 50px; padding: 0.55rem 1.2rem;
  font-size: 0.9rem; font-weight: 600; color: var(--text);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.tool-pill:hover {
  border-color: var(--primary); transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(9,191,174,0.15);
}
.tool-pill__icon { font-size: 1rem; }

/* ── ABOUT ── */
.about { padding: 5rem 0; background: var(--card-bg); }
.about__inner { display: grid; grid-template-columns: 420px 1fr; gap: 4rem; align-items: start; }
.about__image img {
  width: 100%; height: 520px; object-fit: cover;
  border-radius: 16px; border: 3px solid var(--secondary);
}
.about__text .section-title { color: #fff; }
.about__text p { color: var(--text-muted); margin-bottom: 1rem; font-size: 0.97rem; }
.about__list { list-style: none; margin: 0.5rem 0 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.about__list li { padding-left: 1.25rem; position: relative; color: var(--text-muted); font-size: 0.97rem; }
.about__list li::before { content: '→'; position: absolute; left: 0; color: var(--primary); font-weight: 700; }
.about__text .btn--primary { margin-top: 1rem; }

/* ── WORKING STYLE ── */
.style-section { padding: 4rem 0; background: var(--bg); }
.style-section__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.style-card {
  background: var(--dark-2); border: 1px solid var(--border);
  border-top: 3px solid var(--primary); border-radius: var(--radius); padding: 2rem;
}
.style-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 1.25rem; }
.style-card ul { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.style-card ul li { font-size: 0.9rem; color: var(--text-muted); }

/* ── TESTIMONIALS ── */
.testimonials { padding: 5rem 0; background: var(--card-bg); text-align: center; }
.testimonials .section-title { color: #fff; }
.testimonials__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 2rem 0 2.5rem; }
.testimonial-img {
  width: 100%; height: auto; border-radius: var(--radius);
  border: 1px solid var(--border); display: block;
  transition: transform 0.2s, box-shadow 0.2s;
}
.testimonial-img:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(9,191,174,0.2); }
.testimonials__linkedin { margin-top: 1rem; }

/* ── MY STORY ── */
.story { padding: 5rem 0; background: var(--bg); }
.story__inner { max-width: 760px; margin: 0 auto; }
.story .section-title { margin-bottom: 2rem; }
.story__quote {
  font-size: 1.2rem; font-weight: 700; color: var(--primary);
  border-left: 3px solid var(--primary); padding-left: 1.25rem;
  margin-bottom: 2rem; line-height: 1.6;
  font-style: italic;
}
.story p { color: var(--text); margin-bottom: 1.25rem; font-size: 1rem; line-height: 1.85; }
.story p strong { color: var(--text); }
.story a { color: var(--primary); }
.story a:hover { text-decoration: underline; }
.story .btn--primary { margin-top: 1rem; color: #fff; }

/* ── FOUNDER ── */
.founder { padding: 5rem 0; background: var(--dark); text-align: center; }
.founder .section-title { color: #fff; }
.founder .section-sub { color: rgba(255,255,255,0.6); margin-left: auto; margin-right: auto; }
.founder__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 3rem; text-align: left; }
.founder-card {
  display: flex; flex-direction: column; background: var(--dark-2);
  border-radius: var(--radius); padding: 2.5rem;
  border: 1px solid rgba(255,255,255,0.08); border-top: 3px solid var(--primary);
  transition: transform 0.2s, box-shadow 0.2s; text-decoration: none;
}
.founder-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(9,191,174,0.2); }
.founder-card__name { font-size: 1.4rem; font-weight: 800; color: #fff; margin-bottom: 1rem; letter-spacing: -0.3px; }
.founder-card__desc { font-size: 0.97rem; color: rgba(255,255,255,0.65); line-height: 1.8; flex-grow: 1; margin-bottom: 1.75rem; }
.founder-card__link {
  display: inline-block; font-size: 0.9rem; font-weight: 700; color: var(--primary);
  border: 1px solid var(--primary); padding: 0.4rem 1rem; border-radius: 6px;
  transition: background 0.2s, color 0.2s; align-self: flex-start;
}
.founder-card:hover .founder-card__link { background: var(--primary); color: #fff; }

/* ── FAQ ── */
.faq { padding: 5rem 0; background: var(--card-bg); text-align: center; }
.faq__container { max-width: 760px; margin: 0 auto; }
.faq .section-sub { margin-left: auto; margin-right: auto; }
.faq__list { margin-top: 2rem; display: flex; flex-direction: column; gap: 0; text-align: left; }
.faq__item { border-bottom: 1px solid var(--border); }
.faq__item:first-child { border-top: 1px solid var(--border); }
.faq__question {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  background: none; border: none; padding: 1.25rem 0;
  font-size: 1.02rem; font-weight: 700; color: #fff; cursor: pointer;
  text-align: left; gap: 1rem;
}
.faq__question:hover { color: var(--primary); }
.faq__icon { font-size: 1.3rem; font-weight: 300; color: var(--primary); flex-shrink: 0; transition: transform 0.2s; line-height: 1; }
.faq__item--open .faq__icon { transform: rotate(45deg); }
.faq__answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq__item--open .faq__answer { max-height: 300px; padding-bottom: 1.25rem; }
.faq__answer p { font-size: 0.97rem; color: var(--text-muted); line-height: 1.7; }

/* ── FOOTER ── */
.footer { background: #080a10; color: #fff; border-top: 2px solid var(--primary); }
.footer__inner { padding: 3rem 0 2rem; }
.footer__title { font-size: 1.3rem; font-weight: 800; color: #fff; margin-bottom: 1.25rem; }
.footer__cols { display: grid; grid-template-columns: repeat(3, auto); gap: 2rem 3rem; }
.footer__subtitle {
  font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.2px; color: var(--primary); margin: 1.25rem 0 0.6rem;
}
.footer__list { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer__list li { font-size: 0.95rem; color: rgba(255,255,255,0.8); }
.footer__list a { color: rgba(255,255,255,0.8); transition: color 0.2s; }
.footer__list a:hover { color: var(--primary); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 1rem 0; }
.footer__bottom-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem; }
.footer__bottom-inner p { font-size: 0.82rem; color: rgba(255,255,255,0.5); }
.footer__privacy { font-size: 0.82rem; color: rgba(255,255,255,0.5); text-decoration: underline; }
.footer__privacy:hover { color: #fff; }
.footer__link { color: rgba(255,255,255,0.5); text-decoration: underline; }
.footer__link:hover { color: #fff; }

/* ── FLOATING BUTTONS ── */
.floating-btns {
  position: fixed;
  right: 1.25rem;
  bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  z-index: 200;
}
.floating-btn {
  width: 50px; height: 50px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem; text-decoration: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  transition: transform 0.2s, box-shadow 0.2s;
}
.floating-btn:hover { transform: translateY(-3px) scale(1.08); box-shadow: 0 8px 24px rgba(0,0,0,0.5); }
.floating-btn--whatsapp { background: #25d366; }
.floating-btn--youtube { background: #ff0000; }
.floating-btn--linkedin { background: #0077b5; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .about__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .about__image { display: none; }
  .stats__inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .stat + .stat { border-left: none; border-top: 1px solid var(--border); padding-top: 1.5rem; }
}
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__burger { display: block; }
  .style-section__inner { grid-template-columns: 1fr; gap: 2rem; }
  .style-card ul { grid-template-columns: 1fr; }
  .hero { padding: 4rem 0 3rem; }
  .testimonials__grid { grid-template-columns: repeat(2, 1fr); }
  .services__grid { grid-template-columns: 1fr; }
  .services .section-sub { white-space: normal; }
  .founder__grid { grid-template-columns: 1fr; }
  .floating-btn { width: 44px; height: 44px; font-size: 1.2rem; }
}

/* ── FIREWORKS EASTER EGG ── */
#fireworksOverlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.92);
  display: none; align-items: center; justify-content: center;
  flex-direction: column; text-align: center; cursor: pointer;
  overflow: hidden;
}
.fireworks-message {
  font-size: clamp(2rem, 6vw, 3.5rem); font-weight: 800; color: #fff;
  animation: fw-pulse 0.8s ease-in-out infinite alternate;
  position: relative; z-index: 10; padding: 0 2rem;
  text-shadow: 0 0 40px rgba(255,100,100,0.8);
}
.fireworks-hint {
  font-size: 0.85rem; color: rgba(255,255,255,0.4);
  margin-top: 1.5rem; position: relative; z-index: 10;
}
@keyframes fw-pulse {
  from { transform: scale(1); }
  to { transform: scale(1.07); }
}
.fw-particle {
  position: absolute; border-radius: 50%;
  animation: fw-fly var(--dur, 1.5s) ease-out var(--delay, 0s) forwards;
  pointer-events: none;
}
@keyframes fw-fly {
  0% { transform: translate(0,0) scale(1); opacity: 1; }
  100% { transform: translate(var(--tx), var(--ty)) scale(0.1); opacity: 0; }
}

/* ── PRIVACY POLICY PAGE ── */
.policy { padding: 5rem 0 4rem; background: var(--bg); }
.policy__inner { max-width: 760px; }
.policy__title { font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800; color: #fff; margin-bottom: 0.5rem; }
.policy__updated { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 3rem; }
.policy__section { margin-bottom: 2.5rem; }
.policy__section h2 {
  font-size: 1.3rem; font-weight: 800; color: #fff;
  border-bottom: 2px solid var(--primary); padding-bottom: 0.4rem; margin-bottom: 1rem;
}
.policy__section h3 { font-size: 1rem; font-weight: 700; color: #fff; margin: 1.25rem 0 0.4rem; }
.policy__section p { font-size: 0.97rem; color: var(--text-muted); margin-bottom: 0.75rem; }
.policy__section ul { margin: 0.5rem 0 0.75rem 1.25rem; display: flex; flex-direction: column; gap: 0.4rem; }
.policy__section ul li { font-size: 0.97rem; color: var(--text-muted); }
.policy__section a { color: var(--primary); text-decoration: underline; }
.policy .btn--primary { margin-top: 1rem; }