@import url('shared-styles.css');

/* Program at a Glance Page Styling - Mobile Responsive */

/* ============================================================
   NAVBAR MOBILE ENHANCEMENTS (matching home.css)
   ============================================================ */

/* Desktop navbar */
.navbar {
    display: flex;
    align-items: center;
    padding: 0 2rem;
    max-width: 1400px;
    margin: auto;
    justify-content: space-between;
}

.navbar-logo-group {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-right: 2rem;
    flex-shrink: 0;
}

.iit-logo {
    height: 45px;
    transition: transform 0.3s ease;
}
.iit-logo:hover {
    transform: scale(1.05);
}

.logo {
    height: 60px;
    transition: transform 0.3s ease;
}
.logo:hover {
    transform: scale(1.05);
}

/* nav-menu wraps both <ul> and the registration btn */
.nav-menu {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: space-between;
}

.navlinks {
    list-style: none;
    display: flex;
    gap: 2rem;
    flex: 1;
}

.navlinks a {
    text-decoration: none;
    color: #fff;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
}

.navlinks a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}
.navlinks a:hover::after {
    width: 100%;
}
.navlinks a:hover {
    color: #a5b4fc;
    transform: translateY(-2px);
}

/* hide the chevron arrows on desktop */
.dropdown-arrow {
    display: none;
}

/* ─── Registration Button ─── */
.registration-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    flex-shrink: 0;
}

.registration-btn::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}
.registration-btn:hover::before {
    width: 300px;
    height: 300px;
}
.registration-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}
.registration-btn:active {
    transform: translateY(0);
}

/* ─── Hamburger (hidden on desktop) ─── */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    padding: 6px;
    z-index: 1001;
    flex-shrink: 0;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2.5px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.35s ease, opacity 0.35s ease;
}

/* animated "X" state */
.hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}
.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}
.hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

/* ─── Dropdown Menu (desktop hover) ─── */
.dropdown {
    position: relative;
}
.dropdown-toggle {
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    min-width: 220px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    z-index: 1000;
    margin-top: 0.5rem;
    backdrop-filter: blur(10px);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
    font-size: 0.92rem;
}
.dropdown-menu a:last-child {
    border-bottom: none;
}
.dropdown-menu a:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
    color: var(--primary-color);
    font-weight: 600;
    padding-left: 1.25rem;
    transform: translateX(5px);
}

/* ============================================================
   PAGE CONTENT
   ============================================================ */
.program-hero {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%),
              url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 400"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(99,102,241,0.1)" stroke-width="1"/></pattern></defs><rect width="1200" height="400" fill="url(%23grid)"/></svg>');
  padding: 6rem 2rem;
  text-align: center;
  margin-bottom: 4rem;
  border-radius: 20px;
  position: relative;
  overflow: hidden;
}

.program-hero::before {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(244, 114, 182, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.program-hero h1 {
  font-size: 3.5rem;
  color: white;
  font-weight: 800;
  margin-bottom: 1rem;
  font-family: 'Space Grotesk', sans-serif;
  position: relative;
  z-index: 1;
  text-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.program-hero h2 {
  font-size: 1.5rem;
  color: #cbd5e1;
  font-weight: 400;
  position: relative;
  z-index: 1;
}

.program-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.day-section {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  border: 1px solid rgba(99, 102, 241, 0.2);
  padding: 2.5rem;
  margin-bottom: 3rem;
}

.day-header {
  border-left: 4px solid var(--primary-color);
  padding-left: 1.5rem;
  margin-bottom: 2rem;
}

.day-header h2 {
  color: #fff;
  font-size: 2rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.day-header .date {
  color: var(--nebula-pink);
  font-size: 1.2rem;
  font-weight: 600;
}

.schedule-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 1rem;
}

.schedule-table th {
  color: #cbd5e1;
  text-align: left;
  padding: 1rem;
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.schedule-table td {
  padding: 1.2rem;
  background: rgba(15, 23, 42, 0.6);
  border-top: 1px solid rgba(99, 102, 241, 0.15);
  border-bottom: 1px solid rgba(99, 102, 241, 0.15);
}

.schedule-table td:first-child {
  border-left: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 10px 0 0 10px;
}

.schedule-table td:last-child {
  border-right: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 0 10px 10px 0;
}

.time-col {
  color: var(--primary-color);
  font-weight: 700;
  font-size: 1rem;
  min-width: 120px;
}

.event-col {
  color: #fff;
  font-size: 1rem;
  line-height: 1.6;
}

.event-col strong {
  color: var(--nebula-pink);
  font-weight: 700;
}

.location-col {
  color: #a5b4fc;
  font-size: 0.92rem;
  min-width: 150px;
}

/* ============================================================
   MOBILE RESPONSIVE (≤ 768px) - MATCHING HOME PAGE
   ============================================================ */
@media (max-width: 768px) {
    /* ─── Header padding ─── */
    header {
        padding: 0.85rem 0;
    }

    .navbar {
        padding: 0 1rem;
    }

    /* ─── Logo group – shrink logos ─── */
    .navbar-logo-group {
        gap: 0.75rem;
        margin-right: 0;
    }
    .iit-logo {
        height: 32px;
    }
    .logo {
        height: 42px;
    }

    /* ─── Show hamburger ─── */
    .hamburger {
        display: flex;
    }

    /* ─── Nav menu – full-width slide-down panel ─── */
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(15, 23, 42, 0.97);
        backdrop-filter: blur(24px);
        border-top: 1px solid rgba(99, 102, 241, 0.25);
        flex-direction: column;
        align-items: stretch;
        padding: 0;
        /* collapsed state */
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease, padding 0.35s ease;
    }

    .nav-menu.open {
        max-height: 600px;
        opacity: 1;
        padding: 1rem 0 1.25rem;
    }

    /* ─── Nav links – stacked vertical list ─── */
    .navlinks {
        flex-direction: column;
        gap: 0;
        padding: 0 1.25rem;
    }

    .navlinks > li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    }
    .navlinks > li:last-child {
        border-bottom: none;
    }

    .navlinks > li > a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 0.85rem 0;
        font-size: 1rem;
        color: #e2e8f0;
    }
    .navlinks > li > a::after {
        display: none;
    }
    .navlinks > li > a:hover {
        transform: none;
        color: #fff;
    }

    /* show chevrons on mobile */
    .dropdown-arrow {
        display: inline-block;
        font-size: 0.7rem;
        color: #a5b4fc;
        transition: transform 0.3s ease;
    }

    .dropdown.open .dropdown-arrow {
        transform: rotate(180deg);
    }

    /* ─── Dropdown menu – accordion style ─── */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: hidden;
        transform: none;
        background: rgba(30, 27, 75, 0.7);
        border: none;
        border-radius: 10px;
        margin: 0.4rem 0 0.6rem;
        padding: 0.3rem 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.35s ease;
        box-shadow: none;
    }

    .dropdown.open .dropdown-menu {
        max-height: 300px;
        visibility: visible;
    }

    /* override desktop hover rule on mobile */
    .dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: hidden;
        transform: none;
    }
    .dropdown.open .dropdown-menu {
        visibility: visible;
    }

    .dropdown-menu a {
        padding: 0.7rem 1rem;
        color: #cbd5e1;
        font-size: 0.92rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .dropdown-menu a:hover {
        background: rgba(99, 102, 241, 0.15);
        color: #fff;
        padding-left: 1.2rem;
        transform: none;
    }

    /* ─── Registration button inside panel ─── */
    .registration-btn {
        display: block;
        width: calc(100% - 2.5rem);
        margin: 0.75rem 1.25rem 0;
        text-align: center;
        padding: 0.8rem 1rem;
        font-size: 0.95rem;
    }

    /* ─── Page Content Mobile ─── */
    .program-hero {
        padding: 3rem 1rem;
        margin-bottom: 2rem;
    }

    .program-hero h1 {
        font-size: 2.2rem;
    }

    .program-hero h2 {
        font-size: 1.1rem;
    }

    .program-content {
        padding: 0 1rem;
    }

    .day-section {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }

    .day-header {
        padding-left: 1rem;
        margin-bottom: 1.5rem;
    }

    .day-header h2 {
        font-size: 1.5rem;
    }

    .day-header .date {
        font-size: 1rem;
    }

    /* Mobile card layout for schedule */
    .schedule-table {
        border-spacing: 0;
    }

    .schedule-table thead {
        display: none;
    }

    .schedule-table tr {
        display: block;
        margin-bottom: 1rem;
        background: rgba(15, 23, 42, 0.6);
        border: 1px solid rgba(99, 102, 241, 0.15);
        border-radius: 12px;
        overflow: hidden;
    }

    .schedule-table td {
        display: block;
        padding: 0.75rem 1rem;
        border: none !important;
        border-radius: 0 !important;
    }

    .schedule-table td:not(:last-child) {
        border-bottom: 1px solid rgba(99, 102, 241, 0.1) !important;
    }

    .time-col::before {
        content: "Time: ";
        color: #cbd5e1;
        font-weight: 400;
    }

    .event-col::before {
        content: "Event: ";
        color: #cbd5e1;
        font-weight: 400;
    }

    .location-col::before {
        content: "Location: ";
        color: #cbd5e1;
        font-weight: 400;
    }

    .time-col,
    .event-col,
    .location-col {
        font-size: 0.9rem;
        min-width: unset;
    }
}
@media (max-width: 768px) {
    .navbar {
        display: flex !important;
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
    }

    .navbar-logo-group {
        display: flex;
        align-items: center;
    }

    .hamburger {
        margin-left: auto;
    }
}
/* ============================================================
   EXTRA-SMALL (≤ 360px)
   ============================================================ */
@media (max-width: 360px) {
    .iit-logo {
        height: 26px;
    }
    .logo {
        height: 34px;
    }

    .program-hero h1 {
        font-size: 1.8rem;
    }

    .program-hero h2 {
        font-size: 1rem;
    }

    .day-section {
        padding: 1rem;
    }

    .day-header h2 {
        font-size: 1.3rem;
    }
}