:root {
  --hue: 250;
  --primary: hsl(var(--hue), 84%, 60%);
  --primary-dark: hsl(var(--hue), 84%, 48%);
  --cyan: #06b6d4;
  --bg: #f5f7fb;
  --bg-alt: #ffffff;
  --text: #1a1d2e;
  --text-light: #5e637e;
  --border: #e2e5f1;
  --shadow: 0 8px 30px rgba(26, 29, 46, 0.1);
  --radius: 16px;
  --radius-sm: 10px;
  --header-h: 4.5rem;
  --transition: 0.3s ease;
}
body.dark-mode {
  --bg: #0a0c16;
  --bg-alt: #12152a;
  --text: #e8eaf6;
  --text-light: #9498b5;
  --border: #1f2340;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 2rem); }
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; transition: background var(--transition), color var(--transition); overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.container { width: min(1180px, 92%); margin-inline: auto; }
.section { padding-block: 6rem; }
.section__title { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; text-align: center; }
.section__subtitle { text-align: center; color: var(--text-light); margin: 0.5rem 0 3rem; }
.gradient-text { background: linear-gradient(135deg, var(--primary), var(--cyan)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.85rem 2rem; border-radius: 999px; font-weight: 600; font-size: 0.95rem; border: 2px solid transparent; cursor: pointer; transition: transform var(--transition), box-shadow var(--transition); }
.btn--primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; box-shadow: 0 6px 24px hsla(250, 84%, 60%, 0.35); }
.btn--primary:hover { transform: translateY(-3px); }
.btn--outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn--outline:hover { background: hsla(250, 84%, 60%, 0.08); transform: translateY(-3px); }
.btn--full { width: 100%; justify-content: center; }
.btn--lg { padding: 1rem 2.4rem; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; pointer-events: none; }

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: var(--bg-alt);
  z-index: 1000;
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow); }
.header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 1.6rem; font-weight: 800; }
.logo span { color: var(--primary); }

/* NAV - inline on desktop, hidden on mobile */
.nav { display: flex; gap: 0.25rem; }
.nav__link { font-size: 0.9rem; font-weight: 500; color: var(--text-light); padding: 0.5rem 0.9rem; border-radius: 8px; transition: color var(--transition), background var(--transition); white-space: nowrap; }
.nav__link:hover, .nav__link.active { color: var(--primary); background: hsla(250, 84%, 60%, 0.08); }

.header__right { display: flex; align-items: center; gap: 0.5rem; }

/* THEME TOGGLE */
.theme-btn { background: var(--bg); border: 1px solid var(--border); border-radius: 50%; width: 2.3rem; height: 2.3rem; display: grid; place-items: center; color: var(--text); transition: transform var(--transition); }
.theme-btn:hover { transform: rotate(25deg) scale(1.1); }
.theme-btn .icon-moon { display: none; }
body.dark-mode .theme-btn .icon-sun { display: none; }
body.dark-mode .theme-btn .icon-moon { display: block; }

/* HAMBURGER - hidden on desktop */
.hamburger { display: none; width: 2.3rem; height: 2.3rem; background: none; border: none; flex-direction: column; justify-content: center; align-items: center; gap: 5px; padding: 4px; z-index: 1001; }
.hamburger span { display: block; width: 22px; height: 2.5px; background: var(--text); border-radius: 3px; transition: var(--transition); transform-origin: center; }
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* MOBILE: nav becomes dropdown */
@media (max-width: 900px) {
  .hamburger { display: flex; }
  .nav {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg-alt);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    z-index: 1000;
    gap: 0;
  }
  .nav.open { display: flex; }
  .nav__link { padding: 0.9rem 1.2rem; font-size: 1rem; border-radius: var(--radius-sm); width: 100%; text-align: center; }
}

/* ========== HERO ========== */
.hero { padding-top: calc(var(--header-h) + 4rem); min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 4rem; align-items: center; }
.badge { display: inline-block; background: hsla(250, 84%, 60%, 0.1); color: var(--primary); padding: 0.45rem 1.1rem; border-radius: 999px; font-size: 0.85rem; font-weight: 600; margin-bottom: 1.4rem; border: 1px solid hsla(250, 84%, 60%, 0.2); }
.hero__content h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 900; line-height: 1.2; }
.typing-text { color: var(--primary); }
.cursor { color: var(--primary); animation: blink 0.8s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero__desc { color: var(--text-light); margin: 1.4rem 0 2rem; max-width: 500px; font-size: 1.05rem; }
.hero__buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__socials { display: flex; gap: 0.6rem; margin-top: 2rem; }
.hero__socials a { width: 2.7rem; height: 2.7rem; display: grid; place-items: center; border-radius: 50%; background: var(--bg-alt); border: 1px solid var(--border); color: var(--text-light); transition: var(--transition); }
.hero__socials a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-4px); }
.hero__visual { position: relative; display: grid; place-items: center; min-height: 440px; }
.hero__circle { position: absolute; width: 360px; height: 360px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--cyan)); opacity: 0.12; animation: pulse 4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.08); } }
.hero__avatar { width: 290px; height: 290px; border-radius: 50%; object-fit: cover; box-shadow: 0 20px 60px rgba(26,29,46,0.15); position: relative; z-index: 1; border: 4px solid var(--bg-alt); }
.floating-card { position: absolute; display: flex; align-items: center; gap: 0.5rem; background: var(--bg-alt); border: 1px solid var(--border); border-radius: 12px; padding: 0.65rem 1.1rem; font-size: 0.82rem; font-weight: 600; box-shadow: var(--shadow); animation: float 3.5s ease-in-out infinite; z-index: 2; }
.card--1 { top: 6%; left: 0; }
.card--2 { bottom: 20%; right: 0; animation-delay: 1.2s; }
.card--3 { bottom: 0%; left: 10%; animation-delay: 2s; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

/* ========== STATS ========== */
.stats { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); padding-block: 3.2rem; color: #fff; }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; text-align: center; }
.stat h3 { font-size: 2.6rem; font-weight: 900; }
.stat p { opacity: 0.85; font-size: 0.9rem; }

/* ========== ABOUT ========== */
.about__grid { display: grid; grid-template-columns: 0.8fr 1fr; gap: 4rem; align-items: center; }
.about__image img { border-radius: var(--radius); box-shadow: var(--shadow); }
.about__text h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; }
.about__text p { color: var(--text-light); margin-bottom: 1rem; }
.about__list { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; margin: 1.5rem 0 2rem; color: var(--text-light); }
.about__list li { display: flex; align-items: center; gap: 0.5rem; font-size: 0.95rem; }
.about__list li::before { content: '\2713'; color: var(--primary); font-weight: 700; width: 22px; height: 22px; display: grid; place-items: center; background: hsla(250, 84%, 60%, 0.1); border-radius: 50%; font-size: 0.75rem; flex-shrink: 0; }
.about__buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ========== SERVICES ========== */
.services { background: var(--bg-alt); }
.services__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.service-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.2rem 1.8rem; text-align: center; transition: transform var(--transition), box-shadow var(--transition); }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.service-card__icon { width: 4.5rem; height: 4.5rem; margin: 0 auto 1.2rem; display: grid; place-items: center; border-radius: 50%; background: hsla(250, 84%, 60%, 0.1); }
.service-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.service-card p { color: var(--text-light); font-size: 0.9rem; }

/* ========== SKILLS ========== */
.skills__grid { max-width: 780px; margin-inline: auto; display: grid; gap: 1.5rem; }
.skill__info { display: flex; justify-content: space-between; font-weight: 600; font-size: 0.92rem; margin-bottom: 0.5rem; }
.skill__bar { height: 10px; background: var(--border); border-radius: 999px; overflow: hidden; }
.skill__fill { height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--primary), var(--cyan)); transition: width 1.4s cubic-bezier(0.25, 1, 0.35, 1); }

/* ========== PORTFOLIO ========== */
.portfolio { background: var(--bg-alt); }
.portfolio__filters { display: flex; justify-content: center; gap: 0.5rem; margin-bottom: 2.5rem; flex-wrap: wrap; }
.filter-btn { padding: 0.5rem 1.4rem; border: 1px solid var(--border); border-radius: 999px; background: var(--bg); color: var(--text-light); font-weight: 500; font-size: 0.88rem; transition: var(--transition); }
.filter-btn:hover, .filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.portfolio__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.portfolio__item { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: transform var(--transition), box-shadow var(--transition); }
.portfolio__item:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.portfolio__item.hidden { display: none; }
.portfolio__thumb { position: relative; overflow: hidden; }
.portfolio__thumb img { width: 100%; height: 220px; object-fit: cover; transition: transform 0.5s; }
.portfolio__item:hover .portfolio__thumb img { transform: scale(1.08); }
.portfolio__overlay { position: absolute; inset: 0; background: linear-gradient(135deg, hsla(250,84%,60%,0.85), hsla(187,90%,50%,0.85)); display: grid; place-items: center; opacity: 0; transition: opacity var(--transition); }
.portfolio__item:hover .portfolio__overlay { opacity: 1; }
.portfolio__link { width: 3rem; height: 3rem; display: grid; place-items: center; border-radius: 50%; background: #fff; color: var(--primary); transform: translateY(10px); transition: transform var(--transition); }
.portfolio__item:hover .portfolio__link { transform: translateY(0); }
.portfolio__info { padding: 1.2rem 1.4rem; }
.portfolio__info h3 { font-size: 1rem; }
.portfolio__info p { color: var(--text-light); font-size: 0.85rem; margin-top: 0.2rem; }

/* ========== PROCESS ========== */
.process__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.process__step { text-align: center; padding: 2rem 1.5rem; border-radius: var(--radius); background: var(--bg-alt); border: 1px solid var(--border); transition: transform var(--transition), box-shadow var(--transition); }
.process__step:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.process__number { font-size: 2.5rem; font-weight: 900; background: linear-gradient(135deg, var(--primary), var(--cyan)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 1rem; }
.process__step h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.process__step p { color: var(--text-light); font-size: 0.9rem; }

/* ========== TESTIMONIALS ========== */
.testimonials { background: var(--bg-alt); }
.testimonials__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.testimonial-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; transition: transform var(--transition), box-shadow var(--transition); }
.testimonial-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.testimonial-card__stars { color: #f59e0b; margin-bottom: 1rem; letter-spacing: 2px; }
.testimonial-card__text { color: var(--text-light); font-size: 0.95rem; font-style: italic; margin-bottom: 1.5rem; }
.testimonial-card__author { display: flex; align-items: center; gap: 0.8rem; }
.testimonial-card__author img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
.testimonial-card__author h4 { font-size: 0.95rem; }
.testimonial-card__author p { color: var(--text-light); font-size: 0.82rem; }

/* ========== FAQ ========== */
.faq__grid { max-width: 800px; margin-inline: auto; display: grid; gap: 1rem; }
.faq__item { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; background: var(--bg-alt); }
.faq__item:hover { box-shadow: 0 2px 8px rgba(26,29,46,0.06); }
.faq__question { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 1.2rem 1.5rem; border: none; background: transparent; font-size: 1rem; font-weight: 600; color: var(--text); text-align: left; }
.faq__icon { transition: transform var(--transition); flex-shrink: 0; color: var(--text-light); }
.faq__item.open .faq__icon { transform: rotate(180deg); }
.faq__answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq__item.open .faq__answer { max-height: 200px; }
.faq__answer p { padding: 0 1.5rem 1.2rem; color: var(--text-light); font-size: 0.95rem; }

/* ========== CTA ========== */
.cta__card { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border-radius: var(--radius); padding: 4rem 3rem; text-align: center; color: #fff; }
.cta__card h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 800; margin-bottom: 1rem; }
.cta__card p { opacity: 0.9; margin-bottom: 2rem; max-width: 500px; margin-inline: auto; }
.cta__buttons { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.cta__buttons .btn--primary { background: #fff; color: var(--primary); }
.cta__buttons .btn--outline { border-color: rgba(255,255,255,0.4); color: #fff; }
.cta__buttons .btn--outline:hover { background: rgba(255,255,255,0.15); }

/* ========== CONTACT ========== */
.contact { background: var(--bg-alt); }
.contact__grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 3rem; align-items: start; }
.contact__info { display: flex; flex-direction: column; gap: 1.2rem; }
.contact__info-card { display: flex; align-items: center; gap: 1rem; padding: 1.2rem; border-radius: var(--radius-sm); background: var(--bg); border: 1px solid var(--border); }
.contact__info-icon { width: 3rem; height: 3rem; display: grid; place-items: center; border-radius: 50%; background: hsla(250, 84%, 60%, 0.1); flex-shrink: 0; }
.contact__info-card h4 { font-size: 0.9rem; }
.contact__info-card p, .contact__info-card a { color: var(--text-light); font-size: 0.88rem; }
.contact__form { display: grid; gap: 1rem; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact__form input, .contact__form textarea { width: 100%; padding: 0.9rem 1.2rem; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-size: 0.95rem; resize: vertical; transition: border-color var(--transition), box-shadow var(--transition); }
.contact__form input:focus, .contact__form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px hsla(250, 84%, 60%, 0.12); }
.form__status { text-align: center; font-weight: 600; min-height: 1.5rem; }
.form__status.success { color: #10b981; }
.form__status.error { color: #ef4444; }

/* ========== FOOTER ========== */
.footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding-block: 3rem; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 2.5rem; margin-bottom: 2.5rem; }
.footer__about p { color: var(--text-light); font-size: 0.9rem; margin-top: 1rem; }
.footer__links h4, .footer__newsletter h4 { font-size: 1rem; margin-bottom: 1.2rem; }
.footer__links ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer__links a { color: var(--text-light); font-size: 0.9rem; transition: color var(--transition); }
.footer__links a:hover { color: var(--primary); }
.footer__newsletter p { color: var(--text-light); font-size: 0.9rem; margin-bottom: 1rem; }
.newsletter__form { display: flex; gap: 0.5rem; }
.newsletter__form input { flex: 1; padding: 0.7rem 1rem; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-size: 0.9rem; }
.newsletter__form input:focus { outline: none; border-color: var(--primary); }
.newsletter__form button { width: 2.8rem; height: 2.8rem; display: grid; place-items: center; border: none; border-radius: var(--radius-sm); background: var(--primary); color: #fff; transition: var(--transition); }
.newsletter__form button:hover { background: var(--primary-dark); }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 2rem; border-top: 1px solid var(--border); flex-wrap: wrap; gap: 1rem; }
.footer__bottom p { color: var(--text-light); font-size: 0.88rem; }
.footer__socials { display: flex; gap: 0.6rem; }
.footer__socials a { width: 2.4rem; height: 2.4rem; display: grid; place-items: center; border-radius: 50%; background: var(--bg); border: 1px solid var(--border); color: var(--text-light); transition: var(--transition); }
.footer__socials a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ========== SCROLLTOP ========== */
.scrolltop { position: fixed; right: 1.5rem; bottom: 1.5rem; width: 2.8rem; height: 2.8rem; display: grid; place-items: center; border-radius: 12px; background: var(--primary); color: #fff; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateY(10px); transition: var(--transition); z-index: 95; }
.scrolltop.show { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio__grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; text-align: center; }
  .hero__desc { margin-inline: auto; }
  .hero__buttons, .hero__socials { justify-content: center; }
  .hero__visual { min-height: 350px; margin-top: 1rem; }
  .hero__avatar { width: 220px; height: 220px; }
  .hero__circle { width: 270px; height: 270px; }
  .about__grid { grid-template-columns: 1fr; gap: 2rem; }
  .about__image { order: -1; }
  .about__list { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .process__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__grid { grid-template-columns: 1fr; }
  .cta__card { padding: 3rem 1.5rem; }
}
@media (max-width: 768px) {
  .services__grid, .portfolio__grid, .testimonials__grid { grid-template-columns: 1fr; }
  .process__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .section { padding-block: 8rem; }
  .form__row { grid-template-columns: 1fr; }
  .floating-card { font-size: 0.75rem; padding: 0.5rem 0.85rem; }
 
}
@media (max-width: 480px) {
  .hero__content h1 { font-size: 1.8rem; }
  .hero__avatar { width: 180px; height: 180px; }
  .hero__circle { width: 220px; height: 220px; }
  .stat h3 { font-size: 2rem; }
  .btn { padding: 0.75rem 1.5rem; font-size: 0.9rem; }
  .cta__buttons { flex-direction: column; align-items: center; }
}
@media print {
  .header, .scrolltop { display: none !important; }
  body { background: #fff; color: #000; }
}