/* =============================================
   DEDALO — index.css
   Landing page styles
   ============================================= */

:root {
    --blue-dark:   #1e3a6e;
    --blue-main:   #2a5298;
    --blue-mid:    #31508a;
    --blue-light:  #e8f0fb;
    --teal:        #1D9E75;
    --teal-light:  #e1f5ee;
    --text-dark:   #1a1a2e;
    --text-mid:    #555;
    --text-muted:  #888;
    --border:      rgba(0,0,0,0.08);
    --bg-light:    #f8f9fc;
    --white:       #ffffff;
    --navbar-h:    64px;
    --section-pad: 80px 0;
    --radius-sm:   6px;
    --radius-md:   10px;
    --radius-lg:   14px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    color: var(--text-dark);
    background: var(--white);
    line-height: 1.7;
}

/* =============================================
   SHARED
   ============================================= */
.section-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 500;
    color: var(--blue-main);
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.section-h2 {
    font-size: 26px;
    font-weight: 500;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 12px;
}

.section-sub {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 480px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 44px;
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar-main {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--blue-main);
    box-shadow: 0 2px 20px rgba(42,82,152,.25);
    transition: background .3s;
}

.navbar-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    height: var(--navbar-h);
    display: flex;
    align-items: center;
    gap: 32px;
}

.navbar-brand-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}

.navbar-logo-mark {
    width: 32px;
    height: 32px;
    background: rgba(255,255,255,0.18);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 600;
    color: white;
}

.navbar-brand-name {
    font-size: 16px;
    font-weight: 500;
    color: white;
}

.navbar-links {
    display: flex;
    gap: 28px;
    margin-left: auto;
}

.navbar-links a {
    font-size: 13px;
    color: rgba(255,255,255,.75);
    text-decoration: none;
    transition: color .2s;
    position: relative;
    padding-bottom: 2px;
}

.navbar-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: width .25s;
}

.navbar-links a:hover,
.navbar-links a.active {
    color: white;
}

.navbar-links a:hover::after,
.navbar-links a.active::after {
    width: 100%;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.navbar-cta {
    background: white;
    color: var(--blue-main);
    padding: 7px 18px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: background .2s, color .2s;
    white-space: nowrap;
}

.navbar-cta:hover {
    background: #eef2fb;
    color: var(--blue-dark);
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 22px;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

/* Mobile menu */
.navbar-mobile {
    display: none;
    flex-direction: column;
    background: var(--blue-dark);
    padding: 12px 24px 20px;
    border-top: 1px solid rgba(255,255,255,.1);
}

.navbar-mobile a {
    color: rgba(255,255,255,.8);
    text-decoration: none;
    font-size: 14px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,.07);
}

.navbar-mobile a.mobile-cta {
    margin-top: 12px;
    background: white;
    color: var(--blue-main);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    text-align: center;
    border: none;
}

.navbar-mobile.open {
    display: flex;
}

/* =============================================
   HERO
   ============================================= */
.hero {
    padding: calc(var(--navbar-h) + 60px) 0 80px;
    background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-main) 55%, var(--blue-mid) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.hero-eyebrow {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: rgba(255,255,255,.6);
    letter-spacing: .1em;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.hero-h1 {
    font-size: 34px;
    font-weight: 500;
    line-height: 1.25;
    color: white;
    margin-bottom: 20px;
}

.hero-h1 em {
    color: #93b8f0;
    font-style: normal;
}

.hero-sub {
    font-size: 14px;
    color: rgba(255,255,255,.7);
    line-height: 1.75;
    margin-bottom: 32px;
    max-width: 400px;
}

.hero-cta {
    display: inline-block;
    background: white;
    color: var(--blue-main);
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: background .2s, transform .2s;
}

.hero-cta:hover {
    background: #eef2fb;
    transform: translateY(-2px);
}

.hero-right {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-img {
    width: 100%;
    max-width: 520px;
    height: auto;
    display: block;
    filter: drop-shadow(0 8px 40px rgba(0,0,0,.2));
}

.hero-svg {
    width: 100%;
    height: auto;
}

/* =============================================
   ABOUT
   ============================================= */
.about {
    padding: var(--section-pad);
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.about-img-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 32px rgba(42,82,152,.1);
}

.about-img {
    background: linear-gradient(135deg, #eef2fb, #dce8f8);
    border-radius: var(--radius-lg);
    overflow: hidden;
    line-height: 0;
}

.about-content {}

.about-p {
    font-size: 13px;
    color: var(--text-mid);
    line-height: 1.75;
    margin-bottom: 14px;
}

.about-list {
    list-style: none;
    margin-top: 8px;
}

.about-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: var(--text-mid);
    margin-bottom: 10px;
    line-height: 1.6;
}

.about-check-icon {
    width: 20px;
    height: 20px;
    background: var(--teal-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 1px;
    color: var(--teal);
    font-size: 11px;
    font-weight: 600;
}

/* =============================================
   SKILLS
   ============================================= */
.skills {
    padding: var(--section-pad);
    background: var(--bg-light);
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    max-width: 760px;
    margin: 0 auto;
}

.skill-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: box-shadow .25s, transform .25s;
}

.skill-card:hover {
    box-shadow: 0 6px 32px rgba(42,82,152,.1);
    transform: translateY(-3px);
}

.skill-icon-box {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.skill-blue { background: var(--blue-light); }
.skill-teal { background: var(--teal-light); }

.skill-body {}

.skill-h {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 7px;
}

.skill-p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 12px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.skill-tag {
    font-size: 11px;
    padding: 3px 9px;
    border-radius: 20px;
    background: var(--bg-light);
    color: var(--text-mid);
    border: 1px solid var(--border);
}

/* =============================================
   TECH STACK
   ============================================= */
.tech {
    padding: 48px 0;
    background: var(--white);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.tech-header {
    margin-bottom: 20px;
}

.tech-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.tech-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-mid);
    background: var(--white);
    transition: border-color .2s, color .2s;
}

.tech-pill::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--dot);
    flex-shrink: 0;
}

.tech-pill:hover {
    border-color: var(--blue-main);
    color: var(--blue-main);
}

/* =============================================
   CONTACT
   ============================================= */
.contact {
    padding: var(--section-pad);
    background: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 56px;
    align-items: start;
}

.contact-p {
    font-size: 13px;
    color: var(--text-mid);
    line-height: 1.75;
    margin-bottom: 28px;
}

.contact-info-items {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.contact-info-icon {
    width: 40px;
    height: 40px;
    background: var(--blue-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--blue-main);
    font-size: 16px;
}

.contact-info-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 2px;
}

.contact-info-value {
    font-size: 13px;
    color: var(--text-dark);
    font-weight: 500;
}

/* Form */
.contact-form-wrap {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}

.form-group {
    margin-bottom: 14px;
}

.form-group:last-of-type {
    margin-bottom: 0;
}

.form-lbl {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 6px;
}

.form-inp,
.form-textarea {
    width: 100%;
    padding: 9px 13px;
    border: 1px solid #d8e2f0;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    background: var(--bg-light);
    transition: border-color .2s, box-shadow .2s;
    outline: none;
}

.form-inp:focus,
.form-textarea:focus {
    border-color: var(--blue-main);
    box-shadow: 0 0 0 3px rgba(42,82,152,.08);
    background: var(--white);
}

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

.form-feedback {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-top: 12px;
    margin-bottom: 4px;
}

.form-feedback.success {
    background: var(--teal-light);
    color: #0F6E56;
    border: 1px solid #5DCAA5;
}

.form-feedback.error {
    background: #fdecea;
    color: #c0392b;
    border: 1px solid #F09595;
}

.form-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    width: 100%;
    justify-content: center;
    background: var(--blue-main);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    transition: background .2s, transform .2s;
}

.form-btn:hover {
    background: var(--blue-dark);
    transform: translateY(-1px);
}

.form-btn:disabled {
    opacity: .65;
    cursor: not-allowed;
    transform: none;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: var(--blue-dark);
    color: white;
    padding: 48px 0 24px;
}

.footer-top {
    display: flex;
    align-items: flex-start;
    gap: 32px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.footer-logo-mark {
    width: 28px;
    height: 28px;
    background: rgba(255,255,255,.15);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: white;
}

.footer-brand-name {
    font-size: 15px;
    font-weight: 500;
    color: white;
}

.footer-brand-desc {
    font-size: 12px;
    color: rgba(255,255,255,.45);
    line-height: 1.65;
    max-width: 260px;
    margin-bottom: 0;
}

.footer-cols {
    display: flex;
    gap: 48px;
    margin-left: auto;
}

.footer-col {}

.footer-col-h {
    font-size: 12px;
    font-weight: 500;
    color: rgba(255,255,255,.75);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.footer-col a {
    display: block;
    font-size: 12px;
    color: rgba(255,255,255,.45);
    text-decoration: none;
    margin-bottom: 7px;
    transition: color .2s;
}

.footer-col a:hover {
    color: rgba(255,255,255,.8);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding-top: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: rgba(255,255,255,.35);
    flex-wrap: wrap;
    gap: 8px;
}

/* =============================================
   RESPONSIVE — TABLET (≤ 991px)
   ============================================= */
@media (max-width: 991px) {

    :root { --section-pad: 64px 0; }

    .navbar-links  { display: none; }
    .navbar-toggle { display: flex; }

    .hero { min-height: auto; padding: calc(var(--navbar-h) + 48px) 0 60px; }
    .hero-container { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .hero-h1 { font-size: 28px; }
    .hero-sub { margin: 0 auto 28px; }
    .hero-right { order: -1; }
    .hero-illustration { max-width: 260px; }

    .about-grid    { grid-template-columns: 1fr; gap: 36px; }
    .about-img-wrap { max-width: 480px; margin: 0 auto; }

    .skills-grid   { grid-template-columns: 1fr; max-width: 480px; }

    .contact-grid  { grid-template-columns: 1fr; gap: 36px; }
    .contact-info  { order: 2; }
    .contact-form-wrap { order: 1; }

    .footer-cols   { gap: 32px; }
}

/* =============================================
   RESPONSIVE — MOBILE (≤ 575px)
   ============================================= */
@media (max-width: 575px) {

    :root { --section-pad: 48px 0; }

    .section-container { padding: 0 16px; }

    .hero-h1 { font-size: 24px; }
    .hero-illustration { max-width: 200px; }

    .skill-card { flex-direction: column; }
    .skill-icon-box { margin-bottom: 4px; }

    .form-row-2 { grid-template-columns: 1fr; }

    .footer-top { flex-direction: column; gap: 24px; }
    .footer-cols { flex-direction: column; gap: 20px; margin-left: 0; }
    .footer-bottom { flex-direction: column; text-align: center; }

    .tech-pills { gap: 8px; }
}